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EP4036024A1 - Container suitable for standing upright on its base - Google Patents

Container suitable for standing upright on its base Download PDF

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Publication number
EP4036024A1
EP4036024A1 EP21214204.6A EP21214204A EP4036024A1 EP 4036024 A1 EP4036024 A1 EP 4036024A1 EP 21214204 A EP21214204 A EP 21214204A EP 4036024 A1 EP4036024 A1 EP 4036024A1
Authority
EP
European Patent Office
Prior art keywords
container
tubular body
oblique portion
paper
advantageously
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21214204.6A
Other languages
German (de)
French (fr)
Inventor
Sudheer SURVANA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Albea Services SAS
Original Assignee
Albea Services SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Albea Services SAS filed Critical Albea Services SAS
Publication of EP4036024A1 publication Critical patent/EP4036024A1/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/10—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by form of integral or permanently secured end closure
    • B65D3/12—Flanged discs permanently secured, e.g. by adhesives or by heat-sealing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D15/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials
    • B65D15/02—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums
    • B65D15/04—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums with curved, or partially curved, walls made by winding or bending paper
    • B65D15/08—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums with curved, or partially curved, walls made by winding or bending paper with end walls made of plastics material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/02—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape
    • B65D3/04—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape essentially cylindrical

Definitions

  • the invention relates to a container capable of standing upright on its bottom.
  • Containers of the flexible tube type comprising a tube head and a flexible skirt fixed to the tube head are known.
  • the tube is in particular closed, at its end opposite the head, by welding the edge of the skirt to itself, thus creating a bottom in the form of an edge.
  • the container must be placed on its head in order to stand upright.
  • An object of the present invention is to modify such a container so that the latter can stand upright by being placed on its bottom so that its head is oriented upwards.
  • such a container should advantageously be compatible with existing bottle production lines.
  • Bottle filling lines unlike tube filling lines, require the bottle to be filled from the top, i.e. through the neck. Once filling is complete, all you have to do is screw or clip the cap on the bottle.
  • Another aspect of the invention relates to the ability of the container to be recycled. Indeed, today the global production of plastic represents one of the largest sources of waste. The consumption and recycling of these plastic products is a major concern of national and regional organizations. Non-recycled plastics are currently disposed of through a variety of processes ranging from landfill to energy recovery to thermal and chemical treatments. Some alternatives to plastics are being studied in many technical fields. In the field of cosmetic packaging, it has already been considered to replace a certain proportion of plastics with paper. The use of paper / cardboard makes it possible to reduce the environmental impact, measured in particular by a life cycle analysis, and to decouple the packaging from materials of fossil origin and therefore non-renewable. Paper / cardboard, in addition to being of renewable origin, is a material that recycles well today and tomorrow.
  • the objective of the present invention is to provide a container capable of standing upside down while advantageously limiting the quantity of plastic in order to promote the recyclability of said container.
  • the present invention relates to a container extending along a longitudinal axis (X) and comprising a tubular body having a longitudinal weld substantially parallel to the axis (X), a bottom and a head, said body tubular comprising at least 50% by weight of paper, said bottom comprising an annular distal end and an oblique portion, said oblique portion extending along an axis (Y) forming an angle ⁇ with the longitudinal axis (X) , the tubular body being fixed to said bottom at said oblique portion.
  • the annular distal end of the bottom allows the container to stand upside down.
  • the oblique portion at which the tubular body is fixed makes it easier to position and fix said tubular body to the bottom and also allows compatibility with existing bottle production lines.
  • the proportion of paper in the tubular body makes it possible to promote the recyclability of the container.
  • the present invention relates to a container 1 extending along a longitudinal axis (X).
  • Said container comprises a tubular body 10 having a longitudinal weld 11 substantially parallel to the axis (X), a bottom 20 and a head 30. Finally, the container is closed by a stopper 40.
  • Said tubular body 10 can in particular be of the type soft skirt.
  • the tubular body 10 has the shape of a straight cylinder.
  • the tubular body 10 comprises at least 50% by mass of paper. As mentioned above, paper is an easily recyclable material. This proportion of paper in the tubular body 10 thus makes it possible to promote the recyclability of the container 1 according to the invention, in particular in the sector for recycling food cartons or paper/plastic complexes already existing.
  • the head 30 comprises a shoulder 30a and a neck 30b.
  • the shoulder 30a is the part of the head connected to the tubular body 10.
  • the connection between the tubular body 10 and the shoulder 30a can in particular be made by welding or by overmoulding.
  • the neck 30b may include a thread allowing the screwing and unscrewing of the cap 40.
  • the cap 40 may be clipped onto the head 30.
  • the head 30 is made of plastic material, for example polyethylene.
  • the bottom 20 of the container 1 comprises a wall 20a and a crown 20b.
  • the wall 20a extends substantially in a plane A perpendicular to the longitudinal axis X.
  • the crown 20b surrounds the wall 20a at the level of its periphery and comprises an annular distal end 21 allowing the container 1 to stand upside down. Indeed, this annular distal end 21 is contained in a plane P perpendicular to the longitudinal axis (X). Crown 20b also includes an oblique portion 22 extending along an axis (Y) forming an angle ⁇ with the longitudinal axis (X).
  • oblique portion is meant in particular a portion comprising a vertical component and a radial component, such that the bottom 20 has a substantially frustoconical shape. It is at this oblique portion 22 that the tubular body 10 is fixed to the bottom 20. Said oblique portion 22 facilitates the positioning and fixing of the said tubular body 10 on the bottom 20 and also allows compatibility with existing tube production lines.
  • the bottom 20 includes a clearance 23.
  • This clearance is delimited by the outer surface of the wall 20a and of the crown 20b and forms a recess.
  • external surface is meant the surface facing the outside of the container.
  • FIG 7 schematically illustrates the interaction between the bottom 20 of a container 1 according to the invention and the tools 50, 51 during the formation of the weld between the tubular body and the bottom.
  • the application of pressure by the tools 50, 51 against the tubular body 10 and the bottom 20 is represented here by gray arrows.
  • clearance 23 has a height h1 of between 1 and 6mm, in particular between 2.5 and 4mm.
  • height h1 is meant the distance between the outer surface of the wall 20a and the plane P according to a straight line perpendicular to the plane P. This range of height h1 allows the introduction of several types of tools adapted to manage a counter support while limiting the space that can be considered wasted because it is not part of the internal volume of the container.
  • the oblique portion 22 widens towards the outside of the container.
  • the bottom 20 comprises an annular radial end 21a delimiting the maximum radial size of the bottom 20.
  • the annular radial end 21a defines a maximum diameter d1 of the bottom 20.
  • This annular radial end 21a is contiguous to the annular distal end 21..
  • the diameter d1 of the annular radial end 21a is greater than the diameter defined by the intersection of the plane A and the outer surface of the crown 20B..
  • This flared shape towards the outside of the container is particularly advantageous insofar as it further promotes the positioning of the bottom 20 inside the tubular body 10.
  • the tubular body is easily positioned against the oblique portion 22 of the bottom 20 , said oblique portion 22 then acts as a means of guiding the tubular body 10 in its sealing position against the bottom 20.
  • such a configuration implies that the tubular body 10 is deformed é radially towards the outside of the container 1 at the level of the bottom 20. This makes it possible to put the tubular body under tension, which is particularly advantageous for fixing the tubular body 10 to the bottom 20.
  • the oblique portion has a thickness e2 between 0.1 and 2.5 mm.
  • the wall 20a of the bottom is formed by a central disc 24 and the crown 20b is formed by a ring 25.
  • the disc 24 can in particular be a laminate.
  • Such a laminate advantageously comprises at least one paper layer and one plastic layer.
  • the introduction of recyclable material, in particular at least one paper layer makes it possible to further promote the recyclability of the container 1 according to the invention. Indeed, this increases the paper content of the container, the paper being found both in the tubular body 10 and in the bottom 20.
  • the laminated disc 24 comprises at least one barrier layer, in particular an EVOH layer.
  • disc 24 is substantially flat.
  • the ring 25 for its part preferably comprises a plastic material, in particular polyethylene (PE).
  • PE polyethylene
  • the ring 25 is made of plastic material, in particular PE.
  • the ring 25 comprises the oblique portion 22 and an angled portion 28 defining a housing 29 for the disc.
  • a housing 29 allows good fixing of the disk 24 to the ring 25.
  • the ring 25 has a height h2 of between 2 and 7 mm.
  • the ring 25 has a height h2 of between 3.5 and 5.5 mm.
  • the bottom 20 is made in one piece.
  • Said bottom 20 can then be made of plastic material, in particular PE (polyethylene).
  • PE polyethylene
  • the crown 20b comprises an annular flange 26.
  • the annular flange 26 corresponds to an extra thickness of material at the level of the annular radial end 21a.
  • Said annular rim 26 defines a support and/or an abutment for the tubular body 10.
  • said annular rim 26 also serves as a stop during the application of pressure during the fixing of the tubular body 10 to the bottom 20.
  • the fixing of the tubular body 10 to the bottom 20 is in particular produced by welding by heating and applying pressure to the tubular body 10 in the direction of the center of the container 1.
  • the thickness e1 of the tubular body is then locally reduced by the application of pressure, this being in particular due to the paper content of said tubular body.
  • the local reduction of the thickness e1 can also be due to the creep of plastic material at the weld zone.
  • the presence of the annular flange 26 then makes it possible to limit excessive crushing of the tubular body 10 which could damage its structure.
  • annular flange 26 has the function of protecting the edge of the tubular body 10. Indeed, the annular flange 26, by the heat of the welding process, will be welded to the edge of the tubular body 10 and thus acts as a barrier to moisture vis-à-vis the layer of paper included in the tubular body 10.
  • the annular flange 26 has a depth p greater than or equal to the thickness e1 of the tubular body.
  • the annular rim advantageously has a depth p of between 0.1 and 0.7 mm, in particular between 0.2 and 0.5 mm.
  • the tubular body 10 is flush with the annular rim 26.
  • the limit between the tubular body 10 and the bottom 20 will only be very slightly visible, which is aesthetically particularly appreciable.
  • the thickness e1 of the tubular body 10 may be greater than the depth p, the annular flange 26 then acting as a stop and making it possible to limit excessive crushing of the tubular body 10.
  • the container 1 according to the invention has a particularly advantageous design and dimensions.
  • the oblique portion 22 extending along an axis (Y) forming an angle ⁇ with the longitudinal axis (X).
  • This angle ⁇ thus defines the inclination of the oblique portion 22. Too low an inclination, therefore corresponding to an angle ⁇ tending towards 0, would not make it possible to obtain the desired effect of improving the positioning of the tubular body 10 Too steep an inclination could also prevent the desired effect from being obtained and would not be aesthetically pleasing.
  • the angle ⁇ is between 5 and 45°.
  • the angle ⁇ is between 8 and 30°.
  • the angle ⁇ is between 10 and 20°.
  • the bottom 20 has a maximum outer diameter d1.
  • d1 is between 30 and 70 mm.
  • d1 is between 40 and 60 mm.
  • the tubular body has an outer diameter d2, upstream of the bottom 20.
  • the diameter d2 therefore corresponds to the outer diameter of the skirt.
  • d2 is between 30 and 70 mm.
  • d2 is between 40 and 60 mm.
  • a ratio d1/d2 is representative of the shape of the container, at its base.
  • a ratio d1/d2 greater than 1 implies that the tubular body is deformed towards the outside of the container at the level of the bottom 20. Such a deformation makes it possible to put the body tubular under tension, which is particularly advantageous for fixing the tubular body 10 to the bottom 20.
  • too high a ratio d1/d2 risks causing excessive deformation of the tubular body and thus damaging the latter.
  • a container that flares outward too much at its base is not particularly aesthetically appreciated.
  • a d1/d2 ratio equal to 1 means that, for a tubular body having the shape of a right cylinder, the bottom 20 is straight and perfectly aligned with the tubular body 10. Such a configuration does not allow tensioning as mentioned. previously.
  • the d1/d2 ratio is between 1.01 and 1.1. Such a ratio makes it possible to obtain the desired effect of tensioning and improving the positioning and fixing of the tubular body 10 on the bottom 20 while maintaining a satisfactory design.
  • the ratio d1/d2 is between 1.01 and 1.05.
  • the container 1 according to the invention comprises at least 50% by mass of biosourced or recycled materials.
  • the bio-based material may in particular be paper.
  • the container 1 according to the invention comprises at least 60% by mass of paper.
  • the container 1 according to the invention comprises at least 70% by weight of paper, in particular at least 70% by weight of paper.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tubes (AREA)
  • Making Paper Articles (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Packages (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)

Abstract

Récipient (1) s'étendant le long d'un axe longitudinal (X) et comprenant un corps (10) tubulaire présentant une soudure longitudinale (11) sensiblement parallèle à l'axe (X), un fond (20) et une tête (30), ledit corps tubulaire (10) comprenant au moins 50% en masse de papier, ledit fond (20) comprenant une extrémité distale annulaire (21) et une portion oblique (22), ladite portion oblique (22) s'étendant le long d'un axe (Y) formant un angle α avec l'axe longitudinal (X), le corps tubulaire (10) étant fixé audit fond (20) au niveau de ladite portion oblique (22).

Figure imgaf001
Container (1) extending along a longitudinal axis (X) and comprising a tubular body (10) having a longitudinal seam (11) substantially parallel to the axis (X), a bottom (20) and a head (30), said tubular body (10) comprising at least 50% by mass of paper, said bottom (20) comprising an annular distal end (21) and an oblique portion (22), said oblique portion (22) extending along an axis (Y) forming an angle α with the longitudinal axis (X), the tubular body (10) being fixed to said bottom (20) at the level of said oblique portion (22).
Figure imgaf001

Description

L'invention concerne un récipient susceptible de tenir debout sur son fond.The invention relates to a container capable of standing upright on its bottom.

Il est connu des récipients de types tubes souples comprenant une tête de tube et une jupe flexible fixée sur la tête de tube. Le tube est notamment fermé, à son extrémité opposée à la tête, par soudure du bord de la jupe sur lui-même, créant ainsi un fond sous forme d'arête. Dans une telle configuration, le récipient doit être posé sur sa tête afin de tenir debout. Un objectif de la présente invention est de modifier un tel récipient pour que ce dernier puisse tenir debout en étant posé sur son fond de sorte que sa tête soit orientée vers le haut. De plus, un tel récipient doit avantageusement être compatible avec des lignes de production de bouteilles existantes. Les lignes de remplissage de bouteilles, à la différence des lignes de remplissage de tubes, nécessitent de remplir la bouteille par le haut, c'est-à-dire à travers le goulot. Une fois le remplissage terminé, il n'y a plus qu'à visser ou clipper le bouchon sur la bouteille. Or dans une ligne de remplissage de tubes, le remplissage se fait par le bas, c'est-à-dire à l'extrémité opposée au goulot/bouchon. A la suite de ce remplissage, il est nécessaire de fermer le tube par une opération de soudage de la jupe sur elle-même. Une telle opération de soudage à proximité de la formule cosmétique contenue dans le tube est complexe car elle ne doit pas détériorer, par exemple par la chaleur, la formule cosmétique.Containers of the flexible tube type comprising a tube head and a flexible skirt fixed to the tube head are known. The tube is in particular closed, at its end opposite the head, by welding the edge of the skirt to itself, thus creating a bottom in the form of an edge. In such a configuration, the container must be placed on its head in order to stand upright. An object of the present invention is to modify such a container so that the latter can stand upright by being placed on its bottom so that its head is oriented upwards. In addition, such a container should advantageously be compatible with existing bottle production lines. Bottle filling lines, unlike tube filling lines, require the bottle to be filled from the top, i.e. through the neck. Once filling is complete, all you have to do is screw or clip the cap on the bottle. However, in a line for filling tubes, the filling is done from the bottom, that is to say at the end opposite the neck/stopper. Following this filling, it is necessary to close the tube by welding the skirt to itself. Such a welding operation close to the cosmetic formula contained in the tube is complex because it must not damage the cosmetic formula, for example by heat.

Un autre aspect de l'invention concerne la capacité du récipient à être recyclé. En effet, de nos jours la production mondiale de plastique représente l'une des plus grandes sources de déchets. La consommation et le recyclage de ces produits en plastique est une préoccupation majeure des organisations nationales et régionales. Les matières plastiques non recyclées sont actuellement éliminées par divers procédés allant de la mise en décharge à la récupération d'énergie en passant par des traitements thermiques et chimiques. Certaines alternatives aux plastiques sont étudiées dans de nombreux domaines techniques. Dans le domaine de l'emballage cosmétique, il a déjà été envisagé de remplacer une certaine proportion de plastiques par du papier. L'utilisation de papier / carton permet de réduire l'impact environnemental, mesuré notamment par une analyse de cycle de vie, et découpler l'emballage de matériaux d'origine fossile donc non renouvelable. Le papier / carton, en plus d'être d'origine renouvelable, est un matériau qui se recycle bien aujourd'hui et demain.Another aspect of the invention relates to the ability of the container to be recycled. Indeed, today the global production of plastic represents one of the largest sources of waste. The consumption and recycling of these plastic products is a major concern of national and regional organizations. Non-recycled plastics are currently disposed of through a variety of processes ranging from landfill to energy recovery to thermal and chemical treatments. Some alternatives to plastics are being studied in many technical fields. In the field of cosmetic packaging, it has already been considered to replace a certain proportion of plastics with paper. The use of paper / cardboard makes it possible to reduce the environmental impact, measured in particular by a life cycle analysis, and to decouple the packaging from materials of fossil origin and therefore non-renewable. Paper / cardboard, in addition to being of renewable origin, is a material that recycles well today and tomorrow.

L'objectif de la présente invention est de fournir un récipient susceptible de tenir debout tête vers le haut tout en limitant avantageusement la quantité de plastique afin de favoriser la recyclabilité dudit récipient. A cette fin, la présente invention concerne un récipient s'étendant le long d'un axe longitudinal (X) et comprenant un corps tubulaire présentant une soudure longitudinale sensiblement parallèle à l'axe (X), un fond et une tête, ledit corps tubulaire comprenant au moins 50% en masse de papier, ledit fond comprenant une extrémité distale annulaire et une portion oblique, ladite portion oblique s'étendant le long d'un axe (Y) formant un angle α avec l'axe longitudinal (X), le corps tubulaire étant fixé audit fond au niveau de ladite portion oblique.The objective of the present invention is to provide a container capable of standing upside down while advantageously limiting the quantity of plastic in order to promote the recyclability of said container. To this end, the present invention relates to a container extending along a longitudinal axis (X) and comprising a tubular body having a longitudinal weld substantially parallel to the axis (X), a bottom and a head, said body tubular comprising at least 50% by weight of paper, said bottom comprising an annular distal end and an oblique portion, said oblique portion extending along an axis (Y) forming an angle α with the longitudinal axis (X) , the tubular body being fixed to said bottom at said oblique portion.

L'extrémité distale annulaire du fond permet au récipient de tenir debout tête vers le haut. De plus, la portion oblique au niveau de laquelle est fixé le corps tubulaire permet de faciliter la mise en place et la fixation dudit corps tubulaire sur le fond et permet également une compatibilité avec des lignes de production bouteilles existantes. Enfin, la proportion de papier dans le corps tubulaire permet de favoriser la recyclabilité du récipient.The annular distal end of the bottom allows the container to stand upside down. In addition, the oblique portion at which the tubular body is fixed makes it easier to position and fix said tubular body to the bottom and also allows compatibility with existing bottle production lines. Finally, the proportion of paper in the tubular body makes it possible to promote the recyclability of the container.

L'invention peut également comprendre l'une quelconque des caractéristiques suivantes, prises individuellement ou selon toute combinaison techniquement possible :

  • le fond présente un dégagement,
  • le dégagement présente une hauteur h1 comprise entre 1 et 6mm, notamment entre 2,5 et 4mm,
  • la portion oblique est évasée vers le bas,
  • au moins une partie de la portion oblique présente un diamètre inférieur au diamètre interne du corps tubulaire,
  • le diamètre de la partie supérieure de la portion oblique est inférieur au diamètre interne du corps tubulaire,
  • le fond comprend un disque central et un anneau comprenant la portion oblique,
  • le disque est un laminé,
  • le disque laminé comprend au moins une couche papier,
  • le disque laminé comprend au moins une couche plastique,
  • le disque laminé comprend au moins une couche barrière EVOH,
  • le disque est sensiblement plat,
  • l'anneau comprend une matière plastique,
  • l'anneau comprend du PE,
  • l'anneau est en matière plastique,
  • l'anneau est en PE,
  • le corps tubulaire est un laminé,
  • le corps tubulaire présente une épaisseur e1 comprise entre 200 et 600µm,
  • le corps tubulaire comprend du PE,
  • le corps tubulaire comprend une couche barrière en EVOH,
  • l'anneau comprend un rebord annulaire définissant un support et/ou une butée pour le corps tubulaire,
  • le rebord annulaire présente une profondeur p supérieure ou égale à l'épaisseur e1 du corps tubulaire,
  • le corps tubulaire affleure le rebord annulaire,
  • l'anneau présente une hauteur h comprise entre 2 et 7mm,
  • l'anneau présente une hauteur h comprise entre 3,5 et 5,5mm,
  • l'anneau comprend une portion coudée définissant un logement pour le disque,
  • α est compris entre 5 et 45°,
  • l'angle α est compris entre 8 et 30°,
  • l'angle α est compris entre 10 et 20°,
  • la portion oblique présente une épaisseur e2 comprise entre 0,1 et 2,5mm,
  • le rebord annulaire présente une profondeur p comprise entre 0,1 et 0,7mm,
  • le fond présente un diamètre externe maximum d1,
  • d1 est compris entre 30 et 70mm, notamment entre 40 et 60mm
  • le corps tubulaire présente un diamètre externe d2 en amont du fond,
  • d2 est compris entre 30 et 70mm, notamment entre 40 et 60mm,
  • le ratio d1/d2 est compris entre 1,01 et 1,1,
  • le ratio d1/d2 est compris entre 1,01 et 1,05,
  • l'anneau présente un diamètre interne minimum compris entre 35 et 55 mm
  • l'anneau présente un diamètre externe minimum, au niveau de la portion oblique, inférieur au diamètre interne du corps tubulaire,
  • le récipient comprend au moins 50% en masse de matière biosourcé,
  • le récipient comprend au moins 50% en masse de papier,
  • le récipient comprend au moins 60% en masse de papier,
  • le récipient comprend au moins 70% en masse de papier.
The invention may also include any of the following features, taken individually or in any technically possible combination:
  • the bottom has a clearance,
  • the clearance has a height h1 of between 1 and 6mm, in particular between 2.5 and 4mm,
  • the oblique portion is flared downwards,
  • at least part of the oblique portion has a diameter smaller than the internal diameter of the tubular body,
  • the diameter of the upper part of the oblique portion is less than the internal diameter of the tubular body,
  • the bottom comprises a central disc and a ring comprising the oblique portion,
  • the disc is a laminate,
  • the laminated disc comprises at least one paper layer,
  • the laminated disc comprises at least one plastic layer,
  • the laminated disc comprises at least one EVOH barrier layer,
  • the disc is substantially flat,
  • the ring comprises a plastic material,
  • the ring includes PE,
  • the ring is made of plastic,
  • the ring is made of PE,
  • the tubular body is a laminate,
  • the tubular body has a thickness e1 of between 200 and 600 μm,
  • the tubular body comprises PE,
  • the tubular body comprises an EVOH barrier layer,
  • the ring comprises an annular rim defining a support and/or an abutment for the tubular body,
  • the annular rim has a depth p greater than or equal to the thickness e1 of the tubular body,
  • the tubular body is flush with the annular rim,
  • the ring has a height h of between 2 and 7mm,
  • the ring has a height h of between 3.5 and 5.5mm,
  • the ring comprises a bent portion defining a housing for the disc,
  • α is between 5 and 45°,
  • the angle α is between 8 and 30°,
  • the angle α is between 10 and 20°,
  • the oblique portion has a thickness e2 of between 0.1 and 2.5mm,
  • the annular rim has a depth p of between 0.1 and 0.7 mm,
  • the bottom has a maximum external diameter d1,
  • d1 is between 30 and 70mm, in particular between 40 and 60mm
  • the tubular body has an external diameter d2 upstream of the bottom,
  • d2 is between 30 and 70mm, in particular between 40 and 60mm,
  • the d1/d2 ratio is between 1.01 and 1.1,
  • the d1/d2 ratio is between 1.01 and 1.05,
  • the ring has a minimum internal diameter between 35 and 55 mm
  • the ring has a minimum external diameter, at the level of the oblique portion, less than the internal diameter of the tubular body,
  • the container comprises at least 50% by mass of biobased material,
  • the container comprises at least 50% by mass of paper,
  • the container comprises at least 60% by mass of paper,
  • the container comprises at least 70% by mass of paper.

L'invention sera mieux comprise et d'autres détails, caractéristiques et avantages de l'invention apparaîtront à la lecture de la description suivante faite à titre d'exemple non limitatif et en référence aux dessins annexés dans lesquels :

  • [Fig. 1] la figure 1 est une vue en perspective d'un récipient selon l'invention,
  • [Fig. 2] la figure 2 est une vue de profil en coupe d'une tête d'un récipient selon l'invention,
  • [Fig. 3] la figure 3 est une vue de profil en coupe d'un récipient selon l'invention,
  • [Fig. 4] la figure 4 est un zoom de la figure 3,
  • [Fig. 5] la figure 5 est une vue de profil en coupe d'un autre récipient selon l'invention,
  • [Fig. 6] la figure 6 est un zoom de la figure 5,
  • [Fig. 7] la figure 7 illustre de façon schématique la formation d'une soudure entre le corps tubulaire et le fond d'un récipient selon l'invention
The invention will be better understood and other details, characteristics and advantages of the invention will appear on reading the following description given by way of non-limiting example and with reference to the appended drawings in which:
  • [ Fig. 1 ] the figure 1 is a perspective view of a container according to the invention,
  • [ Fig. 2 ] the picture 2 is a cross-sectional profile view of a head of a container according to the invention,
  • [ Fig. 3 ] the picture 3 is a sectional side view of a container according to the invention,
  • [ Fig. 4 ] the figure 4 is a zoom of the picture 3 ,
  • [ Fig. 5 ] the figure 5 is a sectional side view of another container according to the invention,
  • [ Fig. 6 ] the figure 6 is a zoom of the figure 5 ,
  • [ Fig. 7 ] the figure 7 schematically illustrates the formation of a weld between the tubular body and the bottom of a container according to the invention

Comme illustré aux figures 1 à 6, la présente invention concerne un récipient 1 s'étendant le long d'un axe longitudinal (X). Ledit récipient comprend un corps 10 tubulaire présentant une soudure longitudinale 11 sensiblement parallèle à l'axe (X), un fond 20 et une tête 30. Enfin, le récipient est fermé par un bouchon 40. Ledit corps tubulaire 10 peut notamment être du type jupe souple. Avantageusement, le corps tubulaire 10 présente la forme d'un cylindre droit. Le corps tubulaire 10 comprend au moins 50% en masse de papier. Comme mentionné plus haut, le papier est un matériau facilement recyclable. Cette proportion de papier dans le corps tubulaire 10 permet ainsi de favoriser la recyclabilité du récipient 1 selon l'invention, notamment dans la filière de recyclage des briques alimentaires ou de complexes papier/plastique déjà existantes. Comme illustré notamment à la figure 2, la tête 30 comprend une épaule 30a et un goulot 30b. L'épaule 30a est la partie de la tête reliée au corps tubulaire 10. La liaison entre le corps tubulaire 10 et l'épaule 30a peut notamment être réalisée par soudure ou par surmoulage. Le goulot 30b peut comporter un filetage permettant le vissage et le dévissage du bouchon 40. En alternative non représentée, le bouchon 40 peut être clippé sur la tête 30. La tête 30 est réalisée en matière plastique, par exemple en polyéthylène. Le fond 20 du récipient 1 comprend une paroi 20a et une couronne 20b. La paroi 20a s'étend sensiblement dans un plan A perpendiculaire à l'axe longitudinal X. La couronne 20b entoure la paroi 20a au niveau de son pourtour et comprend une extrémité distale annulaire 21 permettant au récipient 1 de tenir debout tête vers le haut. En effet, cette extrémité distale annulaire 21 est contenue dans un plan P perpendiculaire à l'axe longitudinal (X). La couronne 20b comprend également une portion oblique 22 s'étendant le long d'un axe (Y) formant un angle α avec l'axe longitudinal (X). On entend notamment par portion oblique une portion comprenant une composante verticale et une composante radiale, de sorte que le fond 20 présente une forme sensiblement tronconique. C'est au niveau de cette portion oblique 22 que le corps tubulaire 10 est fixé au fond 20. Ladite portion oblique 22 permet de faciliter la mise en place et la fixation dudit corps tubulaire 10 sur le fond 20 et permet également une compatibilité avec des lignes de production de tubes existantes.As shown in figures 1 to 6 , the present invention relates to a container 1 extending along a longitudinal axis (X). Said container comprises a tubular body 10 having a longitudinal weld 11 substantially parallel to the axis (X), a bottom 20 and a head 30. Finally, the container is closed by a stopper 40. Said tubular body 10 can in particular be of the type soft skirt. Advantageously, the tubular body 10 has the shape of a straight cylinder. The tubular body 10 comprises at least 50% by mass of paper. As mentioned above, paper is an easily recyclable material. This proportion of paper in the tubular body 10 thus makes it possible to promote the recyclability of the container 1 according to the invention, in particular in the sector for recycling food cartons or paper/plastic complexes already existing. As illustrated in particular in picture 2 , the head 30 comprises a shoulder 30a and a neck 30b. The shoulder 30a is the part of the head connected to the tubular body 10. The connection between the tubular body 10 and the shoulder 30a can in particular be made by welding or by overmoulding. The neck 30b may include a thread allowing the screwing and unscrewing of the cap 40. Alternatively, not shown, the cap 40 may be clipped onto the head 30. The head 30 is made of plastic material, for example polyethylene. The bottom 20 of the container 1 comprises a wall 20a and a crown 20b. The wall 20a extends substantially in a plane A perpendicular to the longitudinal axis X. The crown 20b surrounds the wall 20a at the level of its periphery and comprises an annular distal end 21 allowing the container 1 to stand upside down. Indeed, this annular distal end 21 is contained in a plane P perpendicular to the longitudinal axis (X). Crown 20b also includes an oblique portion 22 extending along an axis (Y) forming an angle α with the longitudinal axis (X). By oblique portion is meant in particular a portion comprising a vertical component and a radial component, such that the bottom 20 has a substantially frustoconical shape. It is at this oblique portion 22 that the tubular body 10 is fixed to the bottom 20. Said oblique portion 22 facilitates the positioning and fixing of the said tubular body 10 on the bottom 20 and also allows compatibility with existing tube production lines.

Avantageusement, comme représenté aux figures 3 à 6, le fond 20 comprend un dégagement 23. Ce dégagement est délimité par la surface externe de la paroi 20a et de la couronne 20b et forme un renfoncement. On entend par surface externe la surface orientée vers l'extérieur du récipient. La fixation du corps tubulaire 10 sur le fond 20 est notamment réalisée par soudure en chauffant et en appliquant une pression sur le corps tubulaire 10 en direction du centre du récipient 1. La présence de ce dégagement 23 permet l'introduction d'un outil sous le fond 20 du récipient 1 de sorte à gérer un contre appui lors de la formation de la soudure entre le corps tubulaire 10 et le fond 20. La figure 7 illustre de façon schématique l'interaction entre le fond 20 d'un récipient 1 selon l'invention et des outils 50, 51 lors de la formation de la soudure entre le corps tubulaire et le fond. L'application d'une pression par les outils 50, 51 contre le corps tubulaire 10 et le fond 20 est ici représentée par des flèches grisées. Avantageusement encore, le dégagement 23 présente une hauteur h1 comprise entre 1 et 6mm, notamment entre 2,5 et 4mm. On entend par hauteur h1 la distance entre la surface externe de la paroi 20a et le plan P selon une droite perpendiculaire au plan P. Cette gamme de hauteur h1 permet l'introduction de plusieurs types d'outils adaptés pour gérer un contre appui tout en limitant l'espace pouvant être considéré comme perdu car ne faisant pas partie du volume interne du récipient.Advantageously, as shown in figures 3 to 6 , the bottom 20 includes a clearance 23. This clearance is delimited by the outer surface of the wall 20a and of the crown 20b and forms a recess. By external surface is meant the surface facing the outside of the container. The fixing of the tubular body 10 on the bottom 20 is in particular carried out by welding by heating and by applying pressure to the tubular body 10 in the direction of the center of the container 1. The presence of this clearance 23 allows the introduction of a tool under the bottom 20 of the container 1 so as to manage a counter pressure during the formation of the weld between the tubular body 10 and the bottom 20. The figure 7 schematically illustrates the interaction between the bottom 20 of a container 1 according to the invention and the tools 50, 51 during the formation of the weld between the tubular body and the bottom. The application of pressure by the tools 50, 51 against the tubular body 10 and the bottom 20 is represented here by gray arrows. Advantageously, clearance 23 has a height h1 of between 1 and 6mm, in particular between 2.5 and 4mm. By height h1 is meant the distance between the outer surface of the wall 20a and the plane P according to a straight line perpendicular to the plane P. This range of height h1 allows the introduction of several types of tools adapted to manage a counter support while limiting the space that can be considered wasted because it is not part of the internal volume of the container.

Avantageusement, la portion oblique 22 s'évase en direction de l'extérieur du récipient. Pour cela, Le fond 20 comprend une extrémité radiale annulaire 21a délimitant l'encombrement radial maximal du fond 20. Autrement dit, l'extrémité radiale annulaire 21a définit un diamètre d1 maximal du fond 20. Cette extrémité radiale annulaire 21a est contiguë à l'extrémité distale annulaire 21..Ainsi, le diamètre d1 de l'extrémité radiale annulaire 21a est supérieur au diamètre défini par l'intersection du plan A et de la surface externe de la couronne 20B.. Cette forme évasée en direction de l'extérieur du récipient est particulièrement avantageuse dans la mesure où elle favorise encore la mise en place du fond 20 à l'intérieur du corps tubulaire 10. En effet, dans une telle configuration, le corps tubulaire est facilement positionné contre la portion oblique 22 du fond 20, ladite portion oblique 22 agit alors comme un moyen de guidage du corps tubulaire 10 dans sa position de scellage contre le fond 20. De plus, une telle configuration implique que le corps tubulaire 10 est déformé radialement vers l'extérieur du récipient 1 au niveau du fond 20. Ceci permet de mettre le corps tubulaire sous tension, ce qui est particulièrement avantageux pour la fixation du corps tubulaire 10 au fond 20. Avantageusement, la portion oblique présente une épaisseur e2 comprise entre 0,1 et 2,5 mm.Advantageously, the oblique portion 22 widens towards the outside of the container. For this, the bottom 20 comprises an annular radial end 21a delimiting the maximum radial size of the bottom 20. In other words, the annular radial end 21a defines a maximum diameter d1 of the bottom 20. This annular radial end 21a is contiguous to the annular distal end 21.. Thus, the diameter d1 of the annular radial end 21a is greater than the diameter defined by the intersection of the plane A and the outer surface of the crown 20B.. This flared shape towards the outside of the container is particularly advantageous insofar as it further promotes the positioning of the bottom 20 inside the tubular body 10. Indeed, in such a configuration, the tubular body is easily positioned against the oblique portion 22 of the bottom 20 , said oblique portion 22 then acts as a means of guiding the tubular body 10 in its sealing position against the bottom 20. In addition, such a configuration implies that the tubular body 10 is deformed é radially towards the outside of the container 1 at the level of the bottom 20. This makes it possible to put the tubular body under tension, which is particularly advantageous for fixing the tubular body 10 to the bottom 20. Advantageously, the oblique portion has a thickness e2 between 0.1 and 2.5 mm.

Selon un premier mode de réalisation, comme représenté aux figures 2 et 3, la paroi 20a du fond est formée par un disque 24 central et la couronne 20b est formée par un anneau 25. La subdivision du fond en deux pièces distinctes assemblées ou attachées entre elles, i.e. un anneau 25 et un disque 24, permet de mieux contrôler la composition du fond 20. Dans une telle configuration, le disque 24 peut notamment être un laminé. Un tel laminé comprend avantageusement au moins une couche papier et une couche plastique. L'introduction de matériau recyclable, notamment au moins une couche papier, permet de favoriser encore un peu plus la recyclabilité du récipient 1 selon l'invention. En effet, cela augmente la teneur en papier du récipient, le papier se trouvant à la fois dans le corps tubulaire 10 et dans le fond 20. Avantageusement encore, le disque 24 laminé comprend au moins une couche barrière, notamment une couche en EVOH. Préférentiellement, le disque 24 est sensiblement plat. L'anneau 25 comprend quant à lui préférentiellement un matériau plastique, notamment en polyéthylène (PE). Préférentiellement encore, l'anneau 25 est en matériau plastique, notamment PE.According to a first embodiment, as shown in figure 2 and 3 , the wall 20a of the bottom is formed by a central disc 24 and the crown 20b is formed by a ring 25. The subdivision of the bottom into two distinct parts assembled or attached to each other, ie a ring 25 and a disc 24, makes it possible to better check the composition of the bottom 20. In such a configuration, the disc 24 can in particular be a laminate. Such a laminate advantageously comprises at least one paper layer and one plastic layer. The introduction of recyclable material, in particular at least one paper layer, makes it possible to further promote the recyclability of the container 1 according to the invention. Indeed, this increases the paper content of the container, the paper being found both in the tubular body 10 and in the bottom 20. Advantageously again, the laminated disc 24 comprises at least one barrier layer, in particular an EVOH layer. Preferably, disc 24 is substantially flat. The ring 25 for its part preferably comprises a plastic material, in particular polyethylene (PE). Preferably again, the ring 25 is made of plastic material, in particular PE.

Avantageusement, l'anneau 25 comprend la portion oblique 22 et une portion coudée 28 définissant un logement 29 pour le disque. Un tel logement 29 permet une bonne fixation du disque 24 à l'anneau 25. Préférentiellement, l'anneau 25 présente une hauteur h2 comprise entre 2 et 7mm. Préférentiellement encore, l'anneau 25 présente une hauteur h2 comprise entre 3,5 et 5,5mm.Advantageously, the ring 25 comprises the oblique portion 22 and an angled portion 28 defining a housing 29 for the disc. Such a housing 29 allows good fixing of the disk 24 to the ring 25. Preferably, the ring 25 has a height h2 of between 2 and 7 mm. Preferably again, the ring 25 has a height h2 of between 3.5 and 5.5 mm.

Selon un deuxième mode de réalisation représenté en figures 5 et 6, le fond 20 est réalisé en une seule pièce. Ledit fond 20 peut alors être en matériau plastique, notamment en PE (polyéthylène). Dans ce mode, la paroi 20a et la couronne 20b forment une pièce monolithique.According to a second embodiment shown in figure 5 and 6 , the bottom 20 is made in one piece. Said bottom 20 can then be made of plastic material, in particular PE (polyethylene). In this mode, the wall 20a and the crown 20b form a monolithic piece.

Selon les 2 modes de réalisation, le corps tubulaire 10 est un laminé. Le corps tubulaire 10 comprend au moins une couche papier de sorte que ledit corps tubulaire 10 comprenne au moins 50% en masse de papier. Préférentiellement, le corps tubulaire 10 présente une épaisseur e1 comprise entre 200 et 600µm. Avantageusement, l'épaisseur e1 est comprise entre 200 et 400 µm. Avantageusement encore, le corps tubulaire comprend du polyéthylène (PE). Avantageusement encore, le corps tubulaire comprend une couche barrière, notamment en EVOH. A tire d'exemple, le corps tubulaire est constitué selon ces 2 exemples suivants :

  • Exemple 1 (de la couche externe à la couche interne):
    • Couche en polyéthylène
    • Couche barrière en EVOH
    • Couche en polyéthylène
    • Couche en papier
    • Couche en polyéthylène
  • Exemple 2 (de la couche externe à la couche interne):
    • Couche en polyéthylène
    • Couche en papier
    • Couche en polyéthylène
    • Couche barrière en EVOH
    • Couche en polyéthylène
According to the 2 embodiments, the tubular body 10 is a laminate. The tubular body 10 comprises at least one paper layer such that said tubular body 10 comprises at least 50% by mass of paper. Preferably, the tubular body 10 has a thickness e1 of between 200 and 600 μm. Advantageously, the thickness e1 is between 200 and 400 μm. Advantageously again, the tubular body comprises polyethylene (PE). Advantageously, the tubular body comprises a barrier layer, in particular of EVOH. For example, the tubular body is made according to these 2 following examples:
  • Example 1 (from outer layer to inner layer):
    • Polyethylene layer
    • EVOH barrier layer
    • Polyethylene layer
    • Paper diaper
    • Polyethylene layer
  • Example 2 (from outer layer to inner layer):
    • Polyethylene layer
    • Paper diaper
    • Polyethylene layer
    • EVOH barrier layer
    • Polyethylene layer

Avantageusement, dans les 2 modes de réalisation, comme représenté aux figures 4 et 6, la couronne 20b comprend un rebord annulaire 26. Le rebord annulaire 26 correspond à une surépaisseur de matière au niveau de l'extrémité radiale annulaire 21a. Ledit rebord annulaire 26 définit un support et/ou une butée pour le corps tubulaire 10. Ainsi, lorsque le corps tubulaire 10 est positionné contre la portion oblique 22 du fond 20 et guidé dans sa position de scellage contre le fond 20, ledit corps tubulaire 10 vient en butée contre le rebord annulaire 26. Une fois le corps tubulaire fixé au fond 20 et le récipient en position debout sur le fond, ledit rebord annulaire 26 sert de support à l'extrémité distale du corps tubulaire.Advantageously, in the 2 embodiments, as shown in figure 4 and 6 , the crown 20b comprises an annular flange 26. The annular flange 26 corresponds to an extra thickness of material at the level of the annular radial end 21a. Said annular rim 26 defines a support and/or an abutment for the tubular body 10. Thus, when the tubular body 10 is positioned against the oblique portion 22 of the bottom 20 and guided into its sealing position against the bottom 20, said tubular body 10 abuts against the annular flange 26. Once the tubular body fixed to the bottom 20 and the container in the upright position on the bottom, said annular flange 26 serves as a support for the distal end of the tubular body.

De plus, ledit rebord annulaire 26 sert également de butée lors de l'application de pression lors de la fixation du corps tubulaire 10 au fond 20. En effet, comme mentionné plus haut, la fixation du corps tubulaire 10 sur le fond 20 est notamment réalisée par soudure en chauffant et en appliquant une pression sur le corps tubulaire 10 en direction du centre du récipient 1. L'épaisseur e1 du corps tubulaire est alors localement réduite par l'application de pression, cela étant notamment dû à la teneur en papier dudit corps tubulaire. La réduction locale de l'épaisseur e1 peut également être due au fluage de matériau plastique au niveau de la zone de soudure. La présence du rebord annulaire 26 permet alors de limiter un écrasement trop important du corps tubulaire 10 qui pourrait endommager sa structure. De plus, le rebord annulaire 26 a pour fonction de protéger la tranche du corps tubulaire 10. En effet, le rebord annulaire 26, par la chaleur du procédé de soudage, va se souder à la tranche du corps tubulaire 10 et ainsi fait barrière à l'humidité vis-à-vis de la couche de papier comprise dans le corps tubulaire 10.In addition, said annular rim 26 also serves as a stop during the application of pressure during the fixing of the tubular body 10 to the bottom 20. Indeed, as mentioned above, the fixing of the tubular body 10 to the bottom 20 is in particular produced by welding by heating and applying pressure to the tubular body 10 in the direction of the center of the container 1. The thickness e1 of the tubular body is then locally reduced by the application of pressure, this being in particular due to the paper content of said tubular body. The local reduction of the thickness e1 can also be due to the creep of plastic material at the weld zone. The presence of the annular flange 26 then makes it possible to limit excessive crushing of the tubular body 10 which could damage its structure. In addition, the annular flange 26 has the function of protecting the edge of the tubular body 10. Indeed, the annular flange 26, by the heat of the welding process, will be welded to the edge of the tubular body 10 and thus acts as a barrier to moisture vis-à-vis the layer of paper included in the tubular body 10.

Préférentiellement, le rebord annulaire 26 présente une profondeur p supérieure ou égale à l'épaisseur e1 du corps tubulaire. Ainsi, la tranche du corps tubulaire 10, constituant une zone sensible, est alors protégée. Le rebord annulaire présente avantageusement une profondeur p comprise entre 0,1 et 0,7 mm, notamment entre 0,2 et 0,5mm. Préférentiellement encore, le corps tubulaire 10 affleure le rebord annulaire 26. Ainsi, la limite entre le corps tubulaire 10 et le fond 20 ne sera que très peu visible, ce qui est esthétiquement particulièrement appréciable. Avant que la soudure entre le corps tubulaire 10 et le fond 20 ne soit réalisée, l'épaisseur e1 du corps tubulaire 10 peut être supérieure à la profondeur p, le rebord annulaire 26 agissant alors comme une butée et permettant de limiter un écrasement trop important du corps tubulaire 10.Preferably, the annular flange 26 has a depth p greater than or equal to the thickness e1 of the tubular body. Thus, the edge of the tubular body 10, constituting a sensitive zone, is then protected. The annular rim advantageously has a depth p of between 0.1 and 0.7 mm, in particular between 0.2 and 0.5 mm. Preferably again, the tubular body 10 is flush with the annular rim 26. Thus, the limit between the tubular body 10 and the bottom 20 will only be very slightly visible, which is aesthetically particularly appreciable. Before the weld between the tubular body 10 and the bottom 20 is made, the thickness e1 of the tubular body 10 may be greater than the depth p, the annular flange 26 then acting as a stop and making it possible to limit excessive crushing of the tubular body 10.

Le récipient 1 selon l'invention présente un design et des dimensions particulièrement avantageuses. Comme mentionné plus haut, la portion oblique 22 s'étendant le long d'un axe (Y) formant un angle α avec l'axe longitudinal (X). Cet angle α définit ainsi l'inclinaison de la portion oblique 22. Une inclinaison trop faible, correspondant donc à un angle α tendant vers 0, ne permettrait pas d'obtenir l'effet recherché d'amélioration de mise en position du corps tubulaire 10. Une inclinaison trop important pourrait également empêcher d'obtenir l'effet recherché et ne serait pas satisfaisant esthétiquement. Avantageusement, l'angle α est compris entre 5 et 45°. Avantageusement encore, l'angle α est compris entre 8 et 30°. Avantageusement encore, l'angle α est compris entre 10 et 20°.The container 1 according to the invention has a particularly advantageous design and dimensions. As mentioned above, the oblique portion 22 extending along an axis (Y) forming an angle α with the longitudinal axis (X). This angle α thus defines the inclination of the oblique portion 22. Too low an inclination, therefore corresponding to an angle α tending towards 0, would not make it possible to obtain the desired effect of improving the positioning of the tubular body 10 Too steep an inclination could also prevent the desired effect from being obtained and would not be aesthetically pleasing. Advantageously, the angle α is between 5 and 45°. Advantageously again, the angle α is between 8 and 30°. Advantageously again, the angle α is between 10 and 20°.

Comme représenté aux figures 4 et 6, le fond 20 présente un diamètre externe maximum d1. Avantageusement, d1 est compris entre 30 et 70mm. Avantageusement encore, d1 est compris entre 40 et 60mm.As depicted in figure 4 and 6 , the bottom 20 has a maximum outer diameter d1. Advantageously, d1 is between 30 and 70 mm. Advantageously again, d1 is between 40 and 60 mm.

Le corps tubulaire présente un diamètre externe d2, en amont du fond 20. Le diamètre d2 correspond donc au diamètre externe de la jupe. Avantageusement, d2 est compris entre 30 et 70mm. Avantageusement encore, d2 est compris entre 40 et 60mm.The tubular body has an outer diameter d2, upstream of the bottom 20. The diameter d2 therefore corresponds to the outer diameter of the skirt. Advantageously, d2 is between 30 and 70 mm. Advantageously again, d2 is between 40 and 60 mm.

Une fois les diamètres d1 et d2 définis, il est possible de déterminer un ratio d1/d2. Un tel ratio est représentatif de la forme du récipient, au niveau de sa base. Un ratio d1/d2 supérieur à 1 implique que le corps tubulaire est déformé vers l'extérieur du récipient au niveau du fond 20. Une telle déformation permet de mettre le corps tubulaire sous tension, ce qui est particulièrement avantageux pour la fixation du corps tubulaire 10 au fond 20. Cependant, un ratio d1/d2 trop important risque d'entrainer une déformation trop importante du corps tubulaire et d'endommager ainsi ce dernier. De plus, un récipient trop évasé vers l'extérieur au niveau de sa base n'est pas particulièrement apprécié esthétiquement. Un ratio d1/d2 égal à 1 signifie que, pour un corps tubulaire présentant la forme d'un cylindre droit, le fond 20 est droit et parfaitement aligné avec le corps tubulaire 10. Une telle configuration ne permet pas une mise sous tension comme évoqué précédemment. Avantageusement, le ratio d1/d2 est compris entre 1,01 et 1,1. Un tel ratio permet d'obtenir l'effet recherché de mise sous tension et d'amélioration de la mise en position et de la fixation du corps tubulaire 10 sur le fond 20 tout en conservant un design satisfaisant. Avantageusement encore, le ratio d1/d2 est compris entre 1,01 et 1,05.Once the diameters d1 and d2 have been defined, it is possible to determine a ratio d1/d2. Such a ratio is representative of the shape of the container, at its base. A ratio d1/d2 greater than 1 implies that the tubular body is deformed towards the outside of the container at the level of the bottom 20. Such a deformation makes it possible to put the body tubular under tension, which is particularly advantageous for fixing the tubular body 10 to the bottom 20. However, too high a ratio d1/d2 risks causing excessive deformation of the tubular body and thus damaging the latter. In addition, a container that flares outward too much at its base is not particularly aesthetically appreciated. A d1/d2 ratio equal to 1 means that, for a tubular body having the shape of a right cylinder, the bottom 20 is straight and perfectly aligned with the tubular body 10. Such a configuration does not allow tensioning as mentioned. previously. Advantageously, the d1/d2 ratio is between 1.01 and 1.1. Such a ratio makes it possible to obtain the desired effect of tensioning and improving the positioning and fixing of the tubular body 10 on the bottom 20 while maintaining a satisfactory design. Advantageously again, the ratio d1/d2 is between 1.01 and 1.05.

Préférentiellement, le récipient 1 selon l'invention comprend au moins 50% en masse de matériaux biosourcés ou recyclés. Le matériau biosourcé peut notamment être du papier. Comme mentionné plus haut, il est possible d'augmenter la proportion de papier dans le récipient non seulement en utilisant du papier dans le corps tubulaire, mais également en formant un fond 20 avec un disque 24 comprenant lui aussi du papier. Avantageusement, le récipient 1 selon l'invention comprend au moins 60% en masse de papier. Avantageusement encore, le récipient 1 selon l'invention comprend au moins 70% en masse de papier, notamment au moins 70% en masse de papier.Preferably, the container 1 according to the invention comprises at least 50% by mass of biosourced or recycled materials. The bio-based material may in particular be paper. As mentioned above, it is possible to increase the proportion of paper in the container not only by using paper in the tubular body, but also by forming a bottom 20 with a disc 24 also comprising paper. Advantageously, the container 1 according to the invention comprises at least 60% by mass of paper. Advantageously again, the container 1 according to the invention comprises at least 70% by weight of paper, in particular at least 70% by weight of paper.

Claims (15)

Récipient (1) s'étendant le long d'un axe longitudinal (X) et comprenant un corps (10) tubulaire présentant une soudure longitudinale (11) sensiblement parallèle à l'axe (X), un fond (20) et une tête (30), ledit corps tubulaire (10) comprenant au moins 50% en masse de papier, ledit fond (20) comprenant une extrémité distale annulaire (21) et une portion oblique (22), ladite portion oblique (22) s'étendant le long d'un axe (Y) formant un angle α avec l'axe longitudinal (X), le corps tubulaire (10) étant fixé audit fond (20) au niveau de ladite portion oblique (22).Container (1) extending along a longitudinal axis (X) and comprising a tubular body (10) having a longitudinal seam (11) substantially parallel to the axis (X), a bottom (20) and a head (30), said tubular body (10) comprising at least 50% by mass of paper, said bottom (20) comprising an annular distal end (21) and an oblique portion (22), said oblique portion (22) extending along an axis (Y) forming an angle α with the longitudinal axis (X), the tubular body (10) being fixed to said bottom (20) at the level of said oblique portion (22). Récipient (1) selon la revendication 1, dans lequel le fond (20) comprend un dégagement (23).A container (1) according to claim 1, wherein the bottom (20) includes an undercut (23). Récipient (1) selon l'une des revendications précédentes, dans lequel la portion oblique (22) s'évasé en direction de l'extérieur du récipient (1).Container (1) according to one of the preceding claims, in which the oblique portion (22) widens towards the outside of the container (1). Récipient (1) selon l'une des revendications précédentes, dans lequel le fond (20) comprend un rebord annulaire (26) définissant une butée pour le corps tubulaire (10).Container (1) according to one of the preceding claims, in which the bottom (20) comprises an annular rim (26) defining an abutment for the tubular body (10). Récipient (1) selon la revendication 4, dans lequel le rebord annulaire (26) présente une profondeur p supérieure ou égale à l'épaisseur e1 du corps tubulaire.Container (1) according to Claim 4, in which the annular rim (26) has a depth p greater than or equal to the thickness e1 of the tubular body. Récipient (1) selon la revendication 4, dans lequel la profondeur p du rebord annulaire (26) est comprise entre 0,1 et 0,7 mm.Container (1) according to Claim 4, in which the depth p of the annular rim (26) is between 0.1 and 0.7 mm. Récipient (1) selon l'une des revendications précédentes, dans lequel l'angle α est compris entre 5 et 45°, notamment entre 10 et 20°.Container (1) according to one of the preceding claims, in which the angle α is between 5 and 45°, in particular between 10 and 20°. Récipient (1) selon l'une des revendications précédentes, dans lequel la portion oblique (22) présente une épaisseur e2 comprise entre 0,1 et 2,5 mm.Container (1) according to one of the preceding claims, in which the oblique portion (22) has a thickness e2 of between 0.1 and 2.5 mm. Récipient (1) selon l'une des revendications précédentes, dans lequel le fond (20) présente un diamètre externe maximum d1 et le corps tubulaire (10) présente un diamètre externe d2 en amont du fond (20), le ratio d1/d2 étant compris entre 1,01 et 1,1, notamment entre 1,01 et 1,05.Container (1) according to one of the preceding claims, in which the bottom (20) has a maximum external diameter d1 and the tubular body (10) has an external diameter d2 upstream of the bottom (20), the ratio d1/d2 being between 1.01 and 1.1, in particular between 1.01 and 1.05. Récipient (1) selon l'une des revendications précédentes, dans lequel au moins une partie de la portion oblique (22) présente un diamètre inférieur au diamètre interne du corps tubulaire (10).Container (1) according to one of the preceding claims, in which at least part of the oblique portion (22) has a diameter smaller than the internal diameter of the tubular body (10). Récipient (1) selon l'une des revendications précédentes, dans lequel le fond (20) comprend un disque (24) central et un anneau (25) comprenant la portion oblique (22).Container (1) according to one of the preceding claims, in which the bottom (20) comprises a central disc (24) and a ring (25) comprising the oblique portion (22). Récipient (1) selon la revendication 11, dans lequel le disque (24) est un laminé.A container (1) according to claim 11, wherein the disc (24) is a laminate. Récipient (1) selon la revendication 12, dans lequel le disque (24) comprend au moins une couche papier et au moins une couche plastique.A container (1) according to claim 12, wherein the disc (24) comprises at least one paper layer and at least one plastic layer. Récipient (1) selon l'une des revendications 11 à 13, dans lequel l'anneau comprend du plastique, notamment du PE.Container (1) according to one of Claims 11 to 13, in which the ring comprises plastic, in particular PE. Récipient (1) selon l'une des revendications précédentes, comprenant au moins 50% en masse de papier.Container (1) according to one of the preceding claims, comprising at least 50% by mass of paper.
EP21214204.6A 2021-01-28 2021-12-13 Container suitable for standing upright on its base Pending EP4036024A1 (en)

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FR2100834A FR3119161B1 (en) 2021-01-28 2021-01-28 Container capable of standing upright on its base

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FR (1) FR3119161B1 (en)

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US20220234781A1 (en) 2022-07-28
US11926449B2 (en) 2024-03-12
FR3119161B1 (en) 2024-08-09
FR3119161A1 (en) 2022-07-29

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