EP1323639A1 - Verpackungsbeutel mit vorgeformtem Boden - Google Patents

Verpackungsbeutel mit vorgeformtem Boden Download PDF

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Publication number
EP1323639A1
EP1323639A1 EP02356261A EP02356261A EP1323639A1 EP 1323639 A1 EP1323639 A1 EP 1323639A1 EP 02356261 A EP02356261 A EP 02356261A EP 02356261 A EP02356261 A EP 02356261A EP 1323639 A1 EP1323639 A1 EP 1323639A1
Authority
EP
European Patent Office
Prior art keywords
bag
marking
line
bellows
walls
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.)
Ceased
Application number
EP02356261A
Other languages
English (en)
French (fr)
Inventor
Pascal Simand
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.)
AUTOBAR FLEXIBLE PACKAGING
Original Assignee
Autobars Plastiques
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 Autobars Plastiques filed Critical Autobars Plastiques
Publication of EP1323639A1 publication Critical patent/EP1323639A1/de
Ceased 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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/08—Bags or like containers made of paper and having structural provision for thickness of contents with block bottoms
    • 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

Definitions

  • the invention relates to the technical sector of packaging bags.
  • the packaging bags are most often made either of cardboard paper, or of synthetic or plastic material. More particularly, the invention relates to packaging bags made of synthetic or plastic material.
  • This type of bag can be made from a sheath or a plastic film having a closed end acting as a bottom, while the other opposite end is open, being in particular capable of cooperating with different means for be closed at will, tightly or not.
  • the closed transverse edges of the bag considered at its upper part may have precut lines subject to any type of tearing means. After tearing off the upper part of the bag, it is no longer possible to close it. It has also been proposed to equip the upper part of the bag by the face, at its closed transverse edge, with a means capable of creating a temporary opening giving free access to the interior of the bag and capable of being closed and reopened at will. .
  • the object of the invention is to remedy these drawbacks, simple, safe, efficient and rational way.
  • the problem which the invention proposes to solve is to ensure perfect stability in vertical position, of a material packaging bag plastic, avoiding any risk of overturning when transported on a conveyor, for example.
  • the marking line is formed parallel to the bottom.
  • the marking line is located at a distance from the corresponding background substantially half the width of the arrangements capable of forming the bellows.
  • the line of main marking is combined with oblique marking lines formed between said main line and the bottom.
  • the marking line is formed on each of the walls.
  • the invention applies to the production of plastic bags (1) obtained by any known and appropriate means.
  • the bag (1) can be obtained from a reel of plastic film submitted, in continuous, for different operations, including bending and welding performed, automatically.
  • the plastic used can be, for example, PE supplemented with OPP or else PE supplemented with FART.
  • the plastic film is subjected to different operations to obtain a bag (1) having two walls (1a) and (1b) joined by transverse edges (1c) and (1d) and lateral edges (1e) and (1f).
  • the walls (1a) and (1b) are suitably welded or otherwise assembled, to form a bottom.
  • the transverse edge (1c) can be open or closed, also by welding or otherwise, by being subject to any means capable of creating a temporary opening giving free access to the interior of the bag, this opening can be closed and reopened at will.
  • the lateral edges (1e) and (1f) are shaped as bellows resulting from two identical symmetrical folds (1e1) - (1e2) and (1f1) - (1f2).
  • At least one of the walls (1a) of the bag has, at the time of its manufacture, a line of marking (2) capable of constituting a fold zone.
  • This fold zone (2) is determined to form and delimit the bottom relative to the walls (1a) and (1b), by creating a support base (1g) under the effect of the spacing of the bellows (1e1) - (1e2) and (1f1) - (1f2) (figure 1), to ensure good stability, in vertical position, of the bag.
  • the marking (2) is formed parallel to the bottom (1d). This line of marking (2) is located at a distance (a) from the corresponding bottom (1d), substantially, at half the width of the side bellows, i.e. approximately the length of a fold (1e1) - (1e2) or (1f1) - (1f2). Line marking (2) is carried out during the continuous manufacture of the bag, and is preferably produced by marking on each of the walls (1a) and (1b) Ce linear marking (2) is carried out by any known and appropriate means, suitable for break the "molecules" of the plastic film. This marking can be performed hot or cold.
  • the marking line (2) can also be combined with oblique marking lines (3) formed between said line (2) and the bottom (1d).
  • the marking line (2) can perfectly delimit a support base to create a bottom, ensuring perfect stability in vertical position of the bag.
  • the bag can therefore be moved from one position to another, as part of a machine automatic packaging, for example, without any risk of reversal.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
EP02356261A 2001-12-26 2002-12-16 Verpackungsbeutel mit vorgeformtem Boden Ceased EP1323639A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0117137A FR2833928B1 (fr) 2001-12-26 2001-12-26 Sac d'emballage avec fonf preforme
FR0117137 2001-12-26

Publications (1)

Publication Number Publication Date
EP1323639A1 true EP1323639A1 (de) 2003-07-02

Family

ID=8871128

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02356261A Ceased EP1323639A1 (de) 2001-12-26 2002-12-16 Verpackungsbeutel mit vorgeformtem Boden

Country Status (2)

Country Link
EP (1) EP1323639A1 (de)
FR (1) FR2833928B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006068523A1 (en) * 2004-12-23 2006-06-29 Tarvis Technology Limited Container with concertina side walls and base
EP1842784A1 (de) * 2006-04-04 2007-10-10 Nordenia Deutschland Halle GmbH Folienbeutel und Verfahren zur Herstellung eines Folienbeutels
EP2248734A1 (de) * 2009-05-08 2010-11-10 Seinec, S.A. Verpackung

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2861054B1 (fr) * 2003-10-16 2006-01-06 Autobar Flexible Packaging Sac d'emballage en matiere plastique semi-rigide
FR2921298B1 (fr) 2007-09-21 2010-04-09 Autobar Flexible Packaging Procede de fabrication d'un sac a partir d'une bobine de film plastique et le sac obtenu
FR3034406B1 (fr) 2015-03-31 2017-12-08 Coveris Flexibles France Procede de fabrication en continu d'un sac en matiere plastique

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB837437A (en) * 1956-07-20 1960-06-15 Valer Flax Improvements relating to flexible containers
WO1988009752A1 (en) * 1987-06-03 1988-12-15 Yhtyneet Paperitehtaat Oy Method for placing a sack into a stand and removing out of it
GB2226541A (en) * 1988-11-09 1990-07-04 Interpoly Ltd Waste disposal bag
US5840002A (en) * 1996-03-29 1998-11-24 Stone Container Corporation Substantially rectangular-bottomed container, and apparatus and method for manufacturing same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB837437A (en) * 1956-07-20 1960-06-15 Valer Flax Improvements relating to flexible containers
WO1988009752A1 (en) * 1987-06-03 1988-12-15 Yhtyneet Paperitehtaat Oy Method for placing a sack into a stand and removing out of it
GB2226541A (en) * 1988-11-09 1990-07-04 Interpoly Ltd Waste disposal bag
US5840002A (en) * 1996-03-29 1998-11-24 Stone Container Corporation Substantially rectangular-bottomed container, and apparatus and method for manufacturing same

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006068523A1 (en) * 2004-12-23 2006-06-29 Tarvis Technology Limited Container with concertina side walls and base
EA012395B1 (ru) * 2004-12-23 2009-10-30 Тарвис Текнолоджи Лимитед Емкость с боковыми стенками в виде гармошки и основанием
US8328043B2 (en) 2004-12-23 2012-12-11 Tarvis Technology Limited Container with concertina side walls and base
US10710775B2 (en) 2004-12-23 2020-07-14 Tarvis Technology Limited Container with concertina side walls and base
EP1842784A1 (de) * 2006-04-04 2007-10-10 Nordenia Deutschland Halle GmbH Folienbeutel und Verfahren zur Herstellung eines Folienbeutels
WO2007112898A1 (en) * 2006-04-04 2007-10-11 Nordenia Deutschland Halle Gmbh Film bag and method of producing a film bag
EP2248734A1 (de) * 2009-05-08 2010-11-10 Seinec, S.A. Verpackung

Also Published As

Publication number Publication date
FR2833928A1 (fr) 2003-06-27
FR2833928B1 (fr) 2004-02-13

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO

17P Request for examination filed

Effective date: 20030730

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: AUTOBAR FLEXIBLE PACKAGING

17Q First examination report despatched

Effective date: 20040616

STAA Information on the status of an ep patent application or granted ep patent

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18R Application refused

Effective date: 20050606