EP1855875B1 - Verfahren zur herstellung eines seitenfaltenbeutels aus einer kunststofffolie und so erhaltener beutel - Google Patents

Verfahren zur herstellung eines seitenfaltenbeutels aus einer kunststofffolie und so erhaltener beutel Download PDF

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Publication number
EP1855875B1
EP1855875B1 EP06709508A EP06709508A EP1855875B1 EP 1855875 B1 EP1855875 B1 EP 1855875B1 EP 06709508 A EP06709508 A EP 06709508A EP 06709508 A EP06709508 A EP 06709508A EP 1855875 B1 EP1855875 B1 EP 1855875B1
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EP
European Patent Office
Prior art keywords
bag
walls
bellows
gussets
free
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.)
Active
Application number
EP06709508A
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English (en)
French (fr)
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EP1855875A1 (de
Inventor
Patrick Alaux
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.)
Coveris Flexibles France SA
Original Assignee
AUTOBAR FLEXIBLE PACKAGING
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Publication date
Application filed by AUTOBAR FLEXIBLE PACKAGING filed Critical AUTOBAR FLEXIBLE PACKAGING
Publication of EP1855875A1 publication Critical patent/EP1855875A1/de
Application granted granted Critical
Publication of EP1855875B1 publication Critical patent/EP1855875B1/de
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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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/10—Bags or like containers made of paper and having structural provision for thickness of contents with gusseted sides
    • 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
    • B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
    • 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
    • B31B2155/00—Flexible containers made from webs
    • 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
    • B31B2155/00—Flexible containers made from webs
    • B31B2155/002—Flexible containers made from webs by joining superimposed webs, e.g. with separate bottom webs
    • 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
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
    • 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
    • B31B2160/00—Shape of flexible containers
    • B31B2160/20—Shape of flexible containers with structural provision for thickness of contents
    • 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
    • B31B2170/00—Construction of flexible containers
    • B31B2170/10—Construction of flexible containers interconnected
    • 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
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/26—Folding sheets, blanks or webs
    • B31B70/262—Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement
    • B31B70/266—Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement involving gusset-forming
    • 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
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/26—Folding sheets, blanks or webs
    • B31B70/36—Folding sheets, blanks or webs by continuously feeding them to stationary members, e.g. plates, ploughs or cores
    • 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
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/813—Applying closures
    • B31B70/8131—Making bags having interengaging closure elements

Definitions

  • the invention relates to the technical sector of plastic packaging bags, for example of the type intended for receiving animal feed.
  • these types of bags may have on their side edges bellows able to increase the capacity of the bag and improve the stability of the latter.
  • the bellows are made on the entire height of the bag.
  • the bags can be made continuously from a single plastic film.
  • the film is subjected to successive bending operations to achieve the lateral bellows between two walls.
  • the external folds of the bellows thus produced are generally assembled by welding operations.
  • the bottom of the bag is also made continuously by welding, then folded down and attached to one of the walls of the bag.
  • the bellows are made by successive bends over the entire height of the bag. It therefore appears, at level of the opening of the bag, that the end of said opening are delimited by four walls resulting from the cross section of the bellows.
  • the bag is not formed from a single plastic film subjected to successive folding operations to achieve the bellows, but from two independent films whose walls are joined by means of independent bellows reported. It is obvious that with this solution, it is conceivable to produce bags with bellows lower than the total height of the desired bag, since such bellows are made independently.
  • the patent JP 07100972 relates to a bag manufacturing method using specific means so as to form the bellows on only part of the height of the bag. This technical solution is expensive and does not allow to obtain high production rates. Another solution of this type emerges from the teaching of the document EP 1195332 .
  • the object of the invention is to remedy these disadvantages in a simple, safe, effective and rational manner.
  • the problem to be solved by the invention is to produce a bellows bag from a plastic film, the bellows being made by successive folds of said film, that is to say not reported, but in being of height less than the total height of the desired bag.
  • This technical solution required, in particular, to solve the important problem of ensuring the tight closure of the upper end of the bellows below the free part of the walls resulting from the absence of bellows.
  • the free edges of walls are assembled above the closed end at 45 ° of the bellows.
  • the various assembly operations are carried out by welding.
  • the bag obtained has lateral bellows on only part of its height, so as to leave, at a distance from the opening of the bag, a part of walls adapted to be assembled directly on one another, at their lateral edges, the upper end of the bellows being closed by an external folding zone at about 45 ° delimiting, a substantially triangular outer shape disposed between the two folds bellows.
  • the triangular external shape can be made integral with one of the folds of the corresponding bellows.
  • the bellows bag according to the invention is obtained from a plastic film (1) that is subjected to successive folding operations to achieve the side gussets (1a) between two walls (1b) and (1e). ( Figures la, 1b, 1c and 1d).
  • the external folds (1a1), (1a2) of the bellows (1a), for example up to a certain distance (a) from the opening, are assembled on only a part of the desired height of the bag. (the).
  • the assembly of the pleats (1a1) and (1a2) of each bellows (1a) can be performed for example by a welding operation ( figure 2 ).
  • the bellows (1a) are separated to the level of their assembly zone so as to form a free portion of the bellows (1a3) and a free portion of the walls (1b1), (1c1).
  • this separation of the bellows (1a) to the corresponding weld line (S) may result from a simple section of each of the folds (1a1), (1a2) of each bellows.
  • Each free portion of the bellows (1a3) is then subjected to an operation capable of ensuring the upper transverse closure of the bellows from the end of the assembly line (S) of the outer pleats (1a1), (1a2) of each bellows (1a).
  • These transverse closing operations of the upper ends of the bellows are performed after having folded down, at least one of the free parts of the wall (1b1) to release the free portion of the bellows (1a3) ( figure 3 ).
  • each free portion of the bellows (1a3) is subjected to a torsion and folding movement at 45 ° in overflow of the lateral edges of the walls ( figure 4 ).
  • This 45 ° twist and bend movement (1a4) ensures the closure of each bellows.
  • the overflowing portion resulting from said twisting and folding movements is then cut off ( figure 5 ).
  • the free wall portion (1b1) is folded upwards in superposition of the closed end at 45 ° bellows. It is then possible to assemble the lateral edges of the two free walls (1b1), (1c1) by a weld line (S2) for example above the closed upper ends (1a4) of the bellows ( figure 6 ).
  • the bag obtained has lateral bellows (1a) on only a part of the total height of the bag, so as to leave, at a certain distance (a) from the opening of the bag, a free wall portion (1b1) and (1c1).
  • each bellows (2a) is closed by the 45 ° internal folding zone (1a4) delimiting a substantially triangular shape.
  • This triangular shape is disposed between the two folds (1a1), (1a2) of the corresponding bellows (1a). Note that this triangular shape can be made integral (by welding for example) of one of the folds of the corresponding bellows.
  • the bag After filling in particular, the bag is closed in a sealed manner at the upper horizontal edge of the free parts of walls (1b1), (1c1). Also note that one of the walls (1b1) for example, can be equipped with a system of opening and closing at will ZIP® type closure ECLAIR®, ...

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Making Paper Articles (AREA)

Claims (4)

  1. Verfahren zur Verstellung einer Faltenbalgtasche ausgehend von einer Kunststofffolie (1), wobei:
    - die Folie (1) aufeinander folgenden Faltvorgängen ausgesetzt wird, um zwischen zwei Wänden (1b und 1c) die Seitenbälge (1a) zu formen;
    - der Boden der Tasche (1d) gebildet wird;
    - auf einem Teil der Taschenhöhe die äußeren Falten (1a1), (1a2) der Bälge (1a) bis zu einem bestimmten Abstand (a) von der Öffnung der Tasche miteinander verbunden werden;
    - die Bälge (1a) bis zur Höhe ihres Verbindungsbereichs getrennt werden, um einen freien Balgteil (1a3) und einen freien Wandteil (1b1), (1c1) zu bilden;
    - mindestens einer der freien Teile (1b1) der Wände nach unten umgeklappt wird, um den freien Teil (1a3) der Bälge freizulegen;
    - jeder freie Teil (1a3) der Bälge einer Dreh- und Faltbewegung um 45° unterzogen wird und dabei über die Seitenränder der Wände hinausragt, was der Schließung jedes Balgs entspricht;
    - der aus der besagten Dreh- und Faltbewegung hervorgegangene freie und überragende Teil der Bälge abgetrennt wird;
    - der freie Teil (1b1) der Wände in Überlagerung des auf 45° geschlossenen Endstücks der Bälge nach oben umgeklappt wird;
    - die freien Ränder (1b1), (1c1) der Taschenwände gemäß dem vorgenannten Abstand miteinander verbunden werden.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Verbindung der freien Ränder der Wände (1b1), (1c1) oberhalb des auf 45° geschlossenen Endstücks der Bälge erfolgt.
  3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die verschiedenen Verbindungsvorgänge durch Schweißen erfolgen.
  4. Verfahren nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, dass der obere Teil der Tasche in ihrem Öffnungsbereich mit einem Verschlusssystem ausgestattet wird.
EP06709508A 2005-03-02 2006-02-13 Verfahren zur herstellung eines seitenfaltenbeutels aus einer kunststofffolie und so erhaltener beutel Active EP1855875B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0550547A FR2882683B1 (fr) 2005-03-02 2005-03-02 Procede de fabrication d'un sac a soufflets a partir d'un film en matiere plastique et le sac obtenu
PCT/FR2006/050129 WO2006092517A1 (fr) 2005-03-02 2006-02-13 Procede de fabrication d'un sac a soufflets a partir d'un film en matiere plastique et le sac obtenu

Publications (2)

Publication Number Publication Date
EP1855875A1 EP1855875A1 (de) 2007-11-21
EP1855875B1 true EP1855875B1 (de) 2012-01-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06709508A Active EP1855875B1 (de) 2005-03-02 2006-02-13 Verfahren zur herstellung eines seitenfaltenbeutels aus einer kunststofffolie und so erhaltener beutel

Country Status (8)

Country Link
US (1) US20080205801A1 (de)
EP (1) EP1855875B1 (de)
AR (1) AR056932A1 (de)
AT (1) ATE540805T1 (de)
CA (1) CA2599859A1 (de)
ES (1) ES2379382T3 (de)
FR (1) FR2882683B1 (de)
WO (1) WO2006092517A1 (de)

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KR20170005566A (ko) * 2015-07-06 2017-01-16 주식회사 드림 자립형 포장 용기

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ITBS20050072A1 (it) * 2005-06-14 2006-12-15 D & C S R L Materiale composito, in particolare per realizzare shopping bag, borse, sacchetti, contenitori, involucri e simili per il confezionamento o il trasporto di articoli
US20070086683A1 (en) 2005-10-18 2007-04-19 Yeager James W Package having recloseable pour spout
US8137254B2 (en) * 2006-10-17 2012-03-20 Hudson-Sharp Machine Co. Method of making bag with interrupted side gussets
US20090052812A1 (en) * 2007-04-24 2009-02-26 Illinois Tool Works Inc. Various gusset seals or treatments for reclosable packages
US20090303098A1 (en) * 2008-06-06 2009-12-10 On2 Technologies Inc. System and Method for Data Communication
CH699121A1 (de) * 2008-07-15 2010-01-15 Water Line Sa Verfahren zur Herstellung eines Verpackungsbeutels.
FR2941886B1 (fr) 2009-02-09 2011-02-04 Univ Havre Membrane souple pour la realisation de pieces en materiaux composites.
US20100284633A1 (en) * 2009-05-07 2010-11-11 Cmd Corporation Discrete pouch having a closure system secured thereto
US8784289B2 (en) * 2010-04-29 2014-07-22 Illinois Tool Works Inc. Process of forming a wide mouth gusseted bag with edge seals
WO2014025609A1 (en) 2012-08-06 2014-02-13 The Procter & Gamble Company Methods of making flexible containers
JP5323249B1 (ja) * 2012-12-28 2013-10-23 トタニ技研工業株式会社 製袋機
NL2011350C2 (nl) * 2013-08-28 2015-03-03 Pmb Uva Internat B V Inrichting voor het verpakken van producten in een folieverpakking.
HUE029237T2 (en) 2013-10-30 2017-02-28 Mondi Halle Gmbh Method for producing foil pouches
WO2015069822A1 (en) 2013-11-06 2015-05-14 The Procter & Gamble Company Flexible containers and methods of making the same
MX2016005518A (es) 2013-11-06 2016-07-22 Procter & Gamble Envases flexibles y metodos para su fabricacion.
CN105705431B (zh) 2013-11-06 2018-02-23 宝洁公司 柔性容器以及形成所述柔性容器的方法
WO2016179135A1 (en) * 2015-05-06 2016-11-10 The Procter & Gamble Company Method of forming flexible containers with gussets
JP6912864B2 (ja) * 2016-05-13 2021-08-04 フジモリプラケミカル株式会社 ガゼット袋
IT201700045963A1 (it) * 2017-04-27 2018-10-27 Ica Spa Metodo e macchina per la formazione di confezioni di materiale flessibile aventi soffietti laterali
CN110576640B (zh) * 2018-06-07 2021-08-27 Ica公司 用于形成具有侧部角撑板的柔性材料的包装的方法和机器
CN114953597B (zh) * 2022-05-05 2024-04-23 上海洲泰轻工机械制造有限公司 一种侧风琴三角结构的制备设备、方法、包装袋及制袋机

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DE20017182U1 (de) * 2000-10-06 2002-02-14 Bischof und Klein GmbH & Co., 49525 Lengerich Seitenfaltenbeutel aus flexiblen schweißbarem Material
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170005566A (ko) * 2015-07-06 2017-01-16 주식회사 드림 자립형 포장 용기
KR101712881B1 (ko) 2015-07-06 2017-03-07 주식회사 드림 자립형 포장 용기

Also Published As

Publication number Publication date
ATE540805T1 (de) 2012-01-15
AR056932A1 (es) 2007-11-07
FR2882683B1 (fr) 2008-08-15
CA2599859A1 (fr) 2006-09-08
EP1855875A1 (de) 2007-11-21
ES2379382T3 (es) 2012-04-25
FR2882683A1 (fr) 2006-09-08
WO2006092517A1 (fr) 2006-09-08
US20080205801A1 (en) 2008-08-28

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