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SE533816C2 - Process for making cardboard bottles - Google Patents

Process for making cardboard bottles Download PDF

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Publication number
SE533816C2
SE533816C2 SE0900609A SE0900609A SE533816C2 SE 533816 C2 SE533816 C2 SE 533816C2 SE 0900609 A SE0900609 A SE 0900609A SE 0900609 A SE0900609 A SE 0900609A SE 533816 C2 SE533816 C2 SE 533816C2
Authority
SE
Sweden
Prior art keywords
cardboard
blank
piece
width
bottle
Prior art date
Application number
SE0900609A
Other languages
Swedish (sv)
Other versions
SE0900609A1 (en
Inventor
Lennart Stillerud
Original Assignee
Tetra Laval Holdings & Finance
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 Tetra Laval Holdings & Finance filed Critical Tetra Laval Holdings & Finance
Priority to SE0900609A priority Critical patent/SE533816C2/en
Priority to PCT/SE2010/000104 priority patent/WO2010128918A1/en
Publication of SE0900609A1 publication Critical patent/SE0900609A1/en
Publication of SE533816C2 publication Critical patent/SE533816C2/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B50/20—Cutting sheets or blanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
    • B29C45/14221—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure by tools, e.g. cutting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14598—Coating tubular articles
    • B31B1/20—
    • B31B1/22—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B50/20—Cutting sheets or blanks
    • B31B50/22—Notching; Trimming edges of flaps
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/4279—Joints, seams, leakproof joints or corners, special connections between panels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14008—Inserting articles into the mould
    • B29C45/14016—Intermittently feeding endless articles, e.g. transfer films, to the mould
    • B29C45/14024—Intermittently feeding endless articles, e.g. transfer films, to the mould and punching or cutting a portion from the endless articles during mould closing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7158—Bottles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
    • B31B2105/002—Making boxes characterised by the shape of the blanks from which they are formed
    • B31B2105/0022—Making boxes from tubular webs or blanks, e.g. with separate bottoms, including tube or bottom forming operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/28—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Making Paper Articles (AREA)

Description

lO 15_ 20 25 30 35 533 816 2 förbindelseomrádet så att en nominell bredd av råämnet àstadkoms i förbindelseomràdet oavsett dess större reella bredd. 10 15 20 20 30 30 35 533 816 2 the connection area so that a nominal width of the blank is achieved in the connection area regardless of its greater real width.

Denna nominella bredd väljs följaktligen sä att den blir mindre än alla förväntade verkliga ràämnesbredder och dimensioneringen av rännan i formsprutningsverktyget väljs så att man uppnår optimala resultat med den nominella bredden. I praktiken kan en materialbit med en bredd på ca 2 mm vara lämplig.Consequently, this nominal width is selected so that it becomes smaller than all expected actual blank blanks and the dimensioning of the chute in the injection molding tool is selected so as to obtain optimal results with the nominal width. In practice, a piece of material with a width of about 2 mm may be suitable.

Materialbiten avlägsnas lämpligen i samband med utskärningen av räämnet från en kartongbana.The piece of material is suitably removed in connection with the cutting of the blank from a cardboard web.

Materialbiten avlägsnas lämpligen genom stansning.The piece of material is conveniently removed by punching.

Med förfarandet enligt uppfinningen kan det vara möjligt att nedbringa breddtoleranserna för ràämnet A från 1 1 mm till 1 0,1 mm så att det önskade resultatet kan uppnås.With the method according to the invention it may be possible to reduce the width tolerances of the blank A from 1 1 mm to 1 0.1 mm so that the desired result can be achieved.

Kort ritningsbeskrivning Uppfinningen kommer att beskrivas mera detaljerat nedan med hänvisning till de bifogade ritningarna, vari Fig 1 är en perspektivisk bild av en sä kallade kartongflaska, Fig 2 är en perspektivisk bild av ett formsprutningsverktyg för toppen av den flaska som visas i Fig 1, Fig 3 är en schematisk bild av en kartongbana som används för att åstadkomma kartongflaskan i Fig 1, och Fig 4 illustrerar schematiskt ett tillverkningssteg för behandling av den kartongbana som visas i Fig 3. 10 15 20 25 30 35 533 816 3 Detaljerad beskrivning av en utföringsform Föreliggande uppfinning avser en sådan så kallad kartongflaska som visas i Fig 1. Flaskan har en huvudkropp l av kartongmaterial och en plasttopp eller ett plastlock 2 som lämpligen år försett med en skruvkork 3.Brief Description of the Drawings The invention will be described in more detail below with reference to the accompanying drawings, in which Fig. 1 is a perspective view of a so-called cardboard bottle, Fig. 2 is a perspective view of an injection molding tool for the top of the bottle shown in Fig. 1, Fig. 3 is a schematic view of a carton web used to make the carton bottle of Fig. 1, and Fig. 4 schematically illustrates a manufacturing step of processing the carton web shown in Fig. 3. Detailed Description of an Embodiment The present invention relates to such a so-called cardboard bottle as shown in Fig. 1. The bottle has a main body 1 of cardboard material and a plastic top or a plastic lid 2 which is suitably provided with a screw cap 3.

På känt sätt kan tillverknings- och fyllningsprocessen för denna flaska innefatta följande steg: - av en kartongbana skärs enligt Fig 3 ett ràämne 4 i taget ut med en lämplig längd, - råämnet formas till huvudsakligen cylindrisk form eller till en hylsa runt en kärna och värmeförseglas utefter dess längsgående kant, - den formade kartongcylindern eller hylsan placeras på ett sådant verktyg 5 som visas i Fig 2, varvid verktyget är en del av en formsprutningsmaskin, - plasttoppen 2 formsprutas på kartonghylsan för att tillsammans med denna bilda en integrerad enhet, - korken 3 sätts därefter i förekommande fall på toppen 2, - den formade flaskan fylls med en lämplig vätska från bottenànden och - flaskbotten värmeförseglas, företrädesvis för att åstadkomma en plan yta för att förpackningen eller flaskan skall kunna placeras stående.In a known manner, the manufacturing and filling process for this bottle can comprise the following steps: - according to Fig. 3, a blank 4 is cut out of a cardboard web at a time of a suitable length, - the blank is formed into a substantially cylindrical shape or into a sleeve around a core and heat sealed along its longitudinal edge, - the shaped cardboard cylinder or sleeve is placed on such a tool 5 as shown in Fig. 2, the tool being part of an injection molding machine, - the plastic top 2 is injection molded on the cardboard sleeve to form an integrated unit therewith, - the cap 3 is then placed on top 2, where appropriate, - the shaped bottle is filled with a suitable liquid from the bottom end and - the bottle bottom is heat sealed, preferably to provide a flat surface so that the package or bottle can be placed upright.

Uppfinningen avser steget med formsprutningen av toppen 2 på kartonghylsan.The invention relates to the step of injection molding the top 2 of the carton sleeve.

För att kunna ta emot den längsgående dubbla materialtjockleken på kartonghylsans överlappande värmeförsegling, är verktyget 5 försett med en motsvarande längsgående ränna 6 i sin nedre del.In order to be able to receive the longitudinal double material thickness of the overlapping heat seal of the cardboard sleeve, the tool 5 is provided with a corresponding longitudinal groove 6 in its lower part.

Bredden på den kartongbana av vilket räämnet 4 skärs ut, kan i praktiken skilja sig avsevärt från dess nominella bredd. Om det finns en sådan breddskillnad 10 15 20 25 533 818 4 finns det en tendens att ett överskott av plastmaterial bildas vid området för den dubbla materialtjockleken eller överlappningsomràdet på insidan och/eller utsidan av kartonghylsan vid förbindelsen till toppen 2 vid formsprutningen.The width of the cardboard web from which the blank 4 is cut out can in practice differ considerably from its nominal width. If there is such a width difference, there is a tendency for an excess of plastic material to form at the area of twice the thickness of the material or the area of overlap on the inside and / or outside of the carton sleeve at the connection to the top 2 during injection molding.

Huvudsyftet med uppfinningen är att undvika denna negativa bildning av ett överskott av plastmaterial.The main object of the invention is to avoid this negative formation of an excess of plastic material.

Detta syfte uppfylls pà följande sätt.This purpose is fulfilled in the following way.

Man bestämmer en nominell bredd pà kartongbanan som är mindre än den i praktiken minsta förväntade bredden, och läget och dimensioneringen av rännan i verktyget anpassas till denna nominella bredd för att àstadkomma ett optimalt formsprutningsresultat, men också en överlappning i den längsgående värmeförseglingen med goda toleranser. Lämpligen i samband med utskärningen av kartongbanan till ett rààmne 4, tas en smal materialbit 7 bort, lämpligen genom stansning, frän ena änddelen av ràämnet i det omrâde som är avsett att vara beläget i formrännan 6, så att ràämnesbredden 8 i detta område blir den nominella bredden. Bredden pà biten 7 kan vara i storleksordningen 2 mm.A nominal width of the board is determined to be less than the practically minimum expected width, and the position and dimensioning of the gutter in the tool is adapted to this nominal width to achieve an optimal injection molding result, but also an overlap in the longitudinal heat seal with good tolerances. Suitably in connection with the cutting out of the cardboard web into a blank 4, a narrow piece of material 7 is removed, preferably by punching, from one end part of the blank in the area intended to be located in the mold gutter 6, so that the blank width 8 in this area becomes the nominal width. The width of the piece 7 can be in the order of 2 mm.

Modifieringar är möjliga inom ramarna för de bifogade patentkraven.Modifications are possible within the scope of the appended claims.

Claims (4)

10 15 20 25 533 816 B PATENTKRAV10 15 20 25 533 816 B PATENT REQUIREMENTS 1. Förfarande för tillverkning av kartongflaskor varvid kartongflaskan innefattar en hylsformad huvudkropp (1) av nagot kartongmaterial och en plasttopp (2) formspru- tad pà denna, varvid huvudkroppen formas av ett längs~ gàende värmeförseglat, hylsformat ràämne (4), för att förbättra plastgjutningsbetingelserna i förbindelseom- ràdet mellan huvudkroppen (1) och toppen (2), k ä n n e t e c k n a t av att en bit (7) av ràämnesma- terialet i förbindelseomràdet avlägsnas sà att en nomi- nell bredd (8) av ráâmnet (4) àstadkoms i förbindelse- omrâdet oavsett den större reella bredden av ràämnesma- terialet.A method of manufacturing cardboard bottles, the cardboard bottle comprising a sleeve-shaped main body (1) of some cardboard material and a plastic tip (2) injection molded thereon, the main body being formed by a longitudinal heat-sealed, sleeve-shaped blank (4) the plastic molding conditions in the joint area between the main body (1) and the top (2), characterized in that a piece (7) of the blank material in the joint area is removed so that a nominal width (8) of the blank (4) is provided in the connection area regardless of the greater real width of the raw material. 2. Förfarande enligt krav 1, varvid biten (7) tas bort i samband med utskärningen av ráämnet (4) från en kar- tongbana.A method according to claim 1, wherein the piece (7) is removed in connection with the cutting out of the blank (4) from a cardboard web. 3. Förfarande enligt krav 1, varvid biten (7) avlägsnas genom stansning.A method according to claim 1, wherein the piece (7) is removed by punching. 4. Kartongflaska framställd med ett förfarande enligt nàgot av de föregående kraven.Cardboard bottle made by a process according to any one of the preceding claims.
SE0900609A 2009-05-06 2009-05-06 Process for making cardboard bottles SE533816C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE0900609A SE533816C2 (en) 2009-05-06 2009-05-06 Process for making cardboard bottles
PCT/SE2010/000104 WO2010128918A1 (en) 2009-05-06 2010-04-21 A method at the manufacture of a carton bottle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0900609A SE533816C2 (en) 2009-05-06 2009-05-06 Process for making cardboard bottles

Publications (2)

Publication Number Publication Date
SE0900609A1 SE0900609A1 (en) 2010-11-07
SE533816C2 true SE533816C2 (en) 2011-01-25

Family

ID=43050268

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0900609A SE533816C2 (en) 2009-05-06 2009-05-06 Process for making cardboard bottles

Country Status (2)

Country Link
SE (1) SE533816C2 (en)
WO (1) WO2010128918A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9862701B2 (en) 2014-09-25 2018-01-09 Araxes Pharma Llc Inhibitors of KRAS G12C mutant proteins
MX382355B (en) 2015-04-10 2025-03-13 Araxes Pharma Llc SUBSTITUTED QUINAZOLINE COMPOUNDS AND METHODS OF USING SAME.
WO2016202684A1 (en) * 2015-06-18 2016-12-22 Tetra Laval Holdings & Finance S.A. Packaging container with gripping support surface
KR20180081596A (en) 2015-11-16 2018-07-16 아락세스 파마 엘엘씨 Substituted quinazoline compounds comprising substituted heterocyclic groups and methods for their use
WO2017100546A1 (en) 2015-12-09 2017-06-15 Araxes Pharma Llc Methods for preparation of quinazoline derivatives

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE300784B (en) * 1963-02-14 1968-05-06 Tetra Pak Ab
SE524484C2 (en) * 2002-01-21 2004-08-17 Tetra Laval Holdings & Finance Method and apparatus for producing plastic parts
SE529720C2 (en) * 2006-03-10 2007-11-06 Tetra Laval Holdings & Finance Method of manufacturing a package
SE530101C2 (en) * 2006-07-05 2008-03-04 Tetra Laval Holdings & Finance Method and apparatus for injection molding part of packaging container

Also Published As

Publication number Publication date
SE0900609A1 (en) 2010-11-07
WO2010128918A1 (en) 2010-11-11

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