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
  • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
  • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
  • B65D81/245—Internal membrane, floating cover or the like isolating the contents from the ambient atmosphere

Definitions

• the present invention relates to an airtight closure device for cooperating with a container of a product to be packaged.
• the invention also relates to a container equipped with such a device.
• the invention is particularly applicable in the field of the preservation of food products sensitive to contact with air and in particular liquid products, pasty or powdery
• the invention can allow the packaging of jam or marmalade while avoiding oxidation and microbial contamination of food.
• it is customary for individuals to use a layer of paraffin to cover the upper surface of the foodstuff to keep.
• the paraffin layer has the advantage of avoiding any air residue above the jam surface.
• the jam jars are generally provided with a lid screwed on the pot
• the pot is made of glass while the lid is metal and threaded.
• the advantage of this type of cover is its simplicity of implementation and it will have a resealable character at will.
• the disadvantage is that there is an interstitial air layer between the inner surface of the lid and the upper surface of the product stored in the pot. Therefore, the shelf life is shortened and this type of container usually requires the addition of powerful preservatives in foodstuffs [0013] There is therefore a need to provide a suitable airtight closure device to overcome the disadvantages of the current systems and in particular those mentioned above.
• the present invention responds to this need by having a practical airtight closure device to implement while proposing an adjustable placement height in the interior volume of the container so as to come closer and advantageously, in contact with the upper surface of the product to be preserved. While achieving this closure, the device of the invention can be easily removed and replaced at will in contact with the surface of the product to be preserved even if the quantity of the foodstuffs has been modified in the meantime [0016] According to a preferred embodiment of the invention, the sealing device consists of a [0017] Other objects and advantages will become apparent from the following description, which presents a preferred embodiment of the invention which is not suitable for use in one hand. however not limiting.
• the present invention relates to an airtight closure device for cooperating with a container of a product to be packaged, characterized in that it has a base whose circumference is adjustable to the inner wall of the container. so as to allow contacting the inner face of the base and the product by dé ⁇ placement of the base comprising at least one obturable air evacuation hole after the establishment of the base [0019]
• This device may be in the following non-limiting variants : [0020] the base is made of elastically deformable semi-rigid material during placement. The periphery of the base is extended by a rim oriented towards the outer face of the base [0022] - the rim has the same adjustment as the periphery relative to the inner wall of the container.
• the inner face of the base is of frustoconical shape with an oriented top directed towards the outside of the device.
• It has a central hole through the base and a plug for its closure.
• the central hole and the stopper are of complementary frustoconical shape with a top directed towards the inner face of the base; the stopper is mounted on the base suspended above the hole by at least one deformable elastic blade between a position in which the plug is macif and a position in which the plug is active shutter. [0027] it comprises at least two blades distributed around the hole.
• the blades are secured by their peripheral end of the flange - the blades are configured to be biased in bending with an arrow facing outwardly of the base when the cap is in the inactive position and with an arrow oriented to the base when the plug is in the active position shutter [0030] - the periphery is elastomeric material [0031] - the periphery is tetrafluoroethylene.
• the invention also relates to a container with airtight closure comprising a container for a product to be packaged and a closure device according to the invention.
• This container can be presented according to the preferred embodiments introduced below [0034] - the periphery of the base has a tight fit but allowing the introduction by hand relative to the inner wall of the container [0035] the inner wall of the container and the periphery are circular
• FIG. 1 illustrates the components of the container of the invention explodes in a realization prefers
• Figure 2 is an exploded longitudinal sectional view of the container of Figure 1 [0041]
• Figure 3 is a sectional view of the container of the invention in the closed position [0042]
• Figure 4 illustrates three views of the device. closure of the invention in perspective.
• FIG. 5 shows a possibility of stacking a plurality of containers
• FIG. 6 illustrates a first phase of placing the closure device in a container
• FIGS. 7, 8 and 9 show successively three steps of FIG. implementation of the closure device [0046]
• FIG. 10 finally shows a possibility of bringing a lid on the container after installation of the tight closure device
• the container of the invention comprises a container 1, for example of sen ⁇ sibly cylindrical shape circular section with a bottom 12 and an upper opening for the introduction of the product to be packaged
• the container 1 may be made of plastic such as polypropylene or glass or metal material [0050] As shown in Figure 1, a closing device 2 can be reported through the upper opening of the container 1
• the device 2 is present in more detail in FIG. 2.
• the formation of a base 3 constituting the lower part of the device 2 capable of closing the storage volume of the container 1 has been shown.
• the periphery of the base 3 has a shape (circular, polygonal or other) and dimensions selected to fit those of the inner wall 13.
• adjustments of the ISO standard type H7g6 or H7h6 can be used.
• the periphery of the base 3 is advantageously extended upwards (with reference to the orientation of Figure 2) by a rim 2 advantageously configured with the same adjustment relative to the inner wall 13 of the container 1.
• a hole 7 is preserved for the evacuation of the air during the installation phase of the device 2 in the container 1.
• a plug 8 is disposed so as to allow the closure of the hole 7.
• the plug 8 is mounted in suspension on a pair of blades 10a, 10b elastically movable between a retracted position of the plug 8 and a active position in closing the same cap 8.
• the blades 10a, 10b create an elastically deformable assembly in bending with a deformed position with an arrow pointing upwards when the cap is in the mactive position (see FIG. , Figure 4, Figure 6, 7 and 8) .
• the blades 10a, 10b are deformed in flexion with an arrow oriented towards the base 3 of the device 2.
• FIGS. 9 and 10 show that the assembly of the plug 8 and blades 10a, 10b has two static positions (active and inactive) around a point of modification of the equilibrium, the modification being produced by a user action as will be explained later. Note that the distal (peripheral) ends of the blades 10a, 10b are integral with the upper part of the flange 2.
• the configuration illustrated is not limiting.
• the base 3 of the device 2 is, in the illustrated case, of substantially frustoconical shape with a vertex directed towards the outside of the container 1.
• the plug 8 and the hole 7 also advantageously have a substantially frustoconical longitudinal section with an orientation opposite to that of the base 3, that is to say with a vertex directed towards the inner face 4 of the base 3.
• the device 2 may be made of different materials and advantageously moldable plastic material may be used a device 2 made of polypropylene with a base thickness 3 of the order of 0.5 mm to 1 mm so that it Preserving a possibility of bending deformation [0075] This slight deformability facilitates the installation and removal of the closure device 2. [0076] Moreover, it makes it possible to apply a radial force around the periphery of the base 3 to the internal wall 13 of the container 1 when a force tending to flatten the base 3 is produced by the user
• the base 3 may, in another embodiment, be made of several materials
• the base 3 may be generally formed of polymeric material such as polypropylene and have at its periphery a different material capable of ensuring better sliding and / or better tightness relative to the inner wall 13 [0079]
• the periphery may be made of an elastic material such rubber having the effect of a seal or be constituted that is to say tetrafluoroethylene so as to ensure a greasy contact between the inner wall 13 and the periphery.
• a lid 15 is attached to the rest of the container at the upper edge of the container 1 [0082]
• the lid 15 allows to cap the entire container [0083]
• it is a stackable system which is formed by adjusting the size of the bottom 12 of the containers so that they can be introduced at the upper opening of another container for producing a stack [0084]
• a flange 14 projecting radially slightly above the bottom 12 constitutes a flange for the support of the upper rim of the opening of the container 1 [0085] It is thus possible to stack several similar configuration containers.
• FIG. 6 there is shown a gripping of the user of the device 2 by means of the elastic blades 10a, 10b or the plug 8.
• the device 2 is thus introduced into the interior volume of the device. containing 1.
• a slight push of the user on the device 2 ensures its descent by simply sliding relative to the inner wall 13.
• the air contained between the upper surface of the product to be packaged 6 and the inner face 4 of the base 3 is driven through the central hole 7.
• FIG. 7. In FIG.
• FIG. 10 there is shown styling the entire container.

Landscapes

• Engineering & Computer Science (AREA)
• Food Science & Technology (AREA)
• Mechanical Engineering (AREA)
• Closures For Containers (AREA)
• Supplying Of Containers To The Packaging Station (AREA)
• General Preparation And Processing Of Foods (AREA)
• Auxiliary Devices For And Details Of Packaging Control (AREA)

Priority Applications (5)

Applications Claiming Priority (2)

Publications (1)

Family

ID=34954287

Family Applications (1)

Country Status (9)

Families Citing this family (8)

Citations (7)

Family Cites Families (7)

• 2004
  • 2004-09-30 FR FR0452210A patent/FR2875794B1/fr not_active Expired - Fee Related
• 2005
  • 2005-09-30 EP EP05792257A patent/EP1794065B1/de not_active Expired - Lifetime
  • 2005-09-30 CN CNA2005800329713A patent/CN101031482A/zh active Pending
  • 2005-09-30 AT AT05792257T patent/ATE471890T1/de not_active IP Right Cessation
  • 2005-09-30 CA CA002578307A patent/CA2578307A1/fr not_active Abandoned
  • 2005-09-30 WO PCT/EP2005/054960 patent/WO2006035073A1/fr not_active Ceased
  • 2005-09-30 US US11/663,996 patent/US20080190933A1/en not_active Abandoned
  • 2005-09-30 DE DE602005021975T patent/DE602005021975D1/de not_active Expired - Lifetime
• 2007
  • 2007-03-26 MA MA29777A patent/MA28875B1/fr unknown

Patent Citations (7)

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