EP3250465A1 - Sac preforme en matiere plastique flexible et procédés pour équiper un sac préformé à partir d'un film en matière plastique flexible d'un cadre rigide - Google Patents
Sac preforme en matiere plastique flexible et procédés pour équiper un sac préformé à partir d'un film en matière plastique flexible d'un cadre rigideInfo
- Publication number
- EP3250465A1 EP3250465A1 EP16705229.9A EP16705229A EP3250465A1 EP 3250465 A1 EP3250465 A1 EP 3250465A1 EP 16705229 A EP16705229 A EP 16705229A EP 3250465 A1 EP3250465 A1 EP 3250465A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bag
- frame
- preformed
- walls
- flexible plastic
- 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.)
- Granted
Links
- 229920002457 flexible plastic Polymers 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims description 8
- 239000000463 material Substances 0.000 title abstract description 9
- 239000002985 plastic film Substances 0.000 claims description 19
- 229920006255 plastic film Polymers 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 2
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/16—End- or aperture-closing arrangements or devices
-
- 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
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/10—Container closures formed after filling
- B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
- B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
- B65D77/2068—Means for reclosing the cover after its first opening
- B65D77/2072—Mechanical means
- B65D77/2076—Mechanical means provided by the cover itself
-
- 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
-
- 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
- B31B70/84—Forming or attaching means for filling or dispensing contents, e.g. valves or spouts
- B31B70/844—Applying rigid valves, spouts, or filling tubes
-
- 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
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/10—Container closures formed after filling
-
- 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
- B31B2155/001—Flexible containers made from webs by folding webs longitudinally
- B31B2155/0012—Flexible containers made from webs by folding webs longitudinally having their openings facing in the direction of movement
-
- 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
- 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
Definitions
- the invention relates to the technical sector of plastic packaging bags.
- the invention relates to a preformed flexible plastic bag, of thickness less than 200 microns, comprising a front wall and a rear wall assembled at their lateral sides, in combination or not with bellows, and delimiting a bottom and a filling opening.
- these preformed bags are made, continuously, from a single plastic film, such as PE with or without PP, or PE added with PET, or any other material perfectly known to a man of the art. profession, employed in the field of food packaging, in particular.
- the plastic film is subjected, continuously, to successive operations of folding and welding to produce a bag with a bottom, two walls joined or not, with bellows, and a filling opening opposite to the bottom.
- the outer plies are usually joined by weld lines.
- the bottom of the bag can be formed continuously, by welding, being folded down and fixed on one of the walls of the bag.
- Other embodiments may be envisaged.
- this solution is limited to rigid plastic bags, or reinforced paper, or to plastic bags, flexible or rigid, made, not continuously from a single plastic film, as shown, but on a filling machine, type FFS, from a plastic film.
- the problem to be solved by the invention is to be able to equip a bag, which is already preformed and made of a flexible plastic material, with a rigid frame.
- the invention therefore relates to a preformed bag made continuously from a flexible plastic film, in particular PET / PE, of thickness less than 200 microns, to form a front wall and a rear wall assembled to level of their lateral sides, in combination or not with bellows, a bottom and a filling opening.
- a portion of the bag has arrangements for fixing a rigid frame, able to define an opening in communication with the inside of the bag, said frame being equipped with a means of shutter. From this basic design, either the frame is fixed in relation to the filling opening, or the frame is fixed with one of the walls.
- the sealing means is a cover.
- the invention also relates to a method for equipping a preformed bag, from a plastic film, in particular PET / PE, having a thickness of less than 200 microns, of a rigid frame, the method according to which: and subjecting the plastic film continuously to successive operations of folding and welding, to produce a bag with a bottom and two walls joined by bellows, and a filling opening opposite to the bottom.
- the filling opening or the bottom of the preformed bag or any of the walls to allow the attachment of a rigid frame, either before subjecting the bag to a filling machine, or after filling said bag on said machine.
- the frame is fixed at the level of the filling opening opposite the bottom.
- the placement and fixing of the rigid frame is as follows:
- the plastic film is subjected continuously to successive operations of folding and welding, to produce a bag with a bottom and two walls joined by bellows,
- the rigid frame is attached to and fixed on the edges of the inner face of the folded wall, on the edges of the internal face of the bellows arranged in a triangle, and on the edge of the internal face of the other wall considered along the the bottom.
- FIG. 1 is a perspective view of a preformed bag made of flexible plastic material obtained by a continuous manufacturing process, and prior to placing a rigid frame at its filling opening,
- FIG. 2 is a view corresponding to FIG. 1, after placement of the rigid frame,
- FIG. 3 is a view corresponding to FIG. 2, showing the opening of a cover fitted to the rigid frame,
- FIG. 4 is a perspective view of a preformed flexible plastic bag, the bottom is equipped with a rigid frame.
- FIG. 5 - Figures 5, 6 and 7 are schematic figures, showing the principle of installation and fixing of the rigid frame at the opening of the bag, and as and when its continuous formation.
- the invention applies to all types of bags, preformed, made of flexible plastic material, with a thickness of less than 200 microns, and obtained from a roll of film unrolled continuously, and subjected to various operations, in particular bends and welds, made automatically.
- the packaging bag is made before being filled, in opposition to the plastic bags obtained on a machine of the FFS type, that is to say, made from a vertical sheath, the bag as such, being made as filling.
- the bag designated as a whole by (1) and produced, as indicated, in all types of flexible plastics with a thickness of less than 200 microns and comprises a front wall (la) and a rear wall (lb). assembled at their lateral sides, in combination with bellows (le) and (ld).
- the bag (1) has a bottom (the) and a filling opening (lf).
- part of the bag (1) which is therefore preformed, has arrangements for fixing a rigid frame (2), able to define an opening in communication with the inside of the bag.
- the frame (2) can advantageously be equipped with a closure means (2a).
- the frame (2) is fixed at the opening (lf). Without departing from the scope of the invention, it is not excluded to fix the frame (2), in relation to the bottom (the) ( Figure 4), or with one of the walls (la) and / or (Ib), which in this case has weakening cutouts to create an opening corresponding to the geometry of the frame (2).
- the frame (2) is advantageously equipped, as indicated, with a closure means (2a), of the cover type. Referring to Figures 1, 2 and 3.
- the method for equipping a preformed bag, from a flexible plastic film, for example PET / PE, less than 200 microns thick, a rigid frame ( 2) includes the following essential steps:
- the plastic film is continuously subjected to successive operations of folding and welding, to produce the bag (1) with the bottom (the) and the two walls (la) and (lb), joined by the bellows (the) and (ld), and a filling opening (lf), opposite the bottom (the).
- the filling opening (lf), or the bottom (the), or any of the walls (la) and (lb) is arranged to allow the rigid frame (2) to be fixed.
- the rigid frame (2) is fixed at the filling opening of the bag.
- the plastic film is continuously subjected to successive welding operations to produce the bag with the bottom (the) and the two walls (la) and (Ib) joined by the bellows (the) and (ld). ).
- the open transverse end of the wall (1b) is then externally folded so as to open the bellows (1c) and (1d) and position them flat, forming a triangle, (Here) and (Idl).
- the frame (2) is then attached and fixed, by any known and appropriate means, on the edge of the inner face (lbl) of the folded wall (1b) on the edges of the inner face of the bellows arranged in a triangle (Here) and (ldl), and on the edge of the inner face along the bottom (1c), of the uncut wall (1a).
- the frame (2) has a generally rectangular shape. Its length substantially corresponds to the width of the bag, while its width corresponds substantially to the width of the bellows (le) and (ld). It follows therefore from this manufacturing process, that the setting up of the rigid frame takes place as and when the continuous formation of the bag, after cutting one of the walls and after opening the bellows at the level of the transverse cut made on one of the walls only of the bag.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
- Making Paper Articles (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL16705229T PL3250465T3 (pl) | 2015-01-29 | 2016-01-25 | Sposób wytwarzania torby ze sztywną ramką |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1550697A FR3032185B1 (fr) | 2015-01-29 | 2015-01-29 | Sac preforme en matiere plastique flexible, notamment en pet/pe, d'epaisseur inferieure a 200 mirons |
PCT/FR2016/050140 WO2016120550A1 (fr) | 2015-01-29 | 2016-01-25 | Sac preforme en matiere plastique flexible et procédés pour équiper un sac préformé à partir d'un film en matière plastique flexible d'un cadre rigide |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3250465A1 true EP3250465A1 (fr) | 2017-12-06 |
EP3250465B1 EP3250465B1 (fr) | 2019-05-08 |
Family
ID=52779905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16705229.9A Active EP3250465B1 (fr) | 2015-01-29 | 2016-01-25 | Procédé de fabrication d'un sac équipé d'un cadre rigide |
Country Status (13)
Country | Link |
---|---|
US (1) | US20180002092A1 (fr) |
EP (1) | EP3250465B1 (fr) |
AU (1) | AU2016211097A1 (fr) |
BR (1) | BR112017016015A2 (fr) |
CA (1) | CA2975207A1 (fr) |
DK (1) | DK3250465T3 (fr) |
ES (1) | ES2728427T3 (fr) |
FR (1) | FR3032185B1 (fr) |
PL (1) | PL3250465T3 (fr) |
PT (1) | PT3250465T (fr) |
RU (1) | RU2017126663A (fr) |
TR (1) | TR201907177T4 (fr) |
WO (1) | WO2016120550A1 (fr) |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL275682A (fr) * | 1961-03-08 | 1900-01-01 | ||
US3457706A (en) * | 1965-10-22 | 1969-07-29 | Studley Paper Co | Vacuum cleaner filter bag and the method of forming same |
US3738091A (en) * | 1971-05-24 | 1973-06-12 | Studley Paper Co | Vacuum cleaner filter bag |
US4014252A (en) * | 1975-09-02 | 1977-03-29 | Show Seitai Kogyo Kaisha Ltd. | Method of manufacturing bags |
DE3403996A1 (de) * | 1982-10-18 | 1985-08-14 | Hans 4000 Düsseldorf Lissner | Verfahren zum herstellen von saecken fuer schuettgut aus einem flachgelegten kunststoffschlauch |
JPS6058307A (ja) * | 1983-03-18 | 1985-04-04 | 株式会社太洋商会 | 吊り下げ部成形自動包装方法及びその装置 |
US4890757A (en) * | 1987-02-11 | 1990-01-02 | Robbins Edward S Iii | Ribbed container with closure |
US4948266A (en) * | 1989-06-12 | 1990-08-14 | Bencic David M | Disposable receptacle |
US5772332A (en) * | 1994-09-30 | 1998-06-30 | Atifon Ltd. | Container having a rectangular base and its manufacturing |
US6164821A (en) * | 1997-05-09 | 2000-12-26 | The Procter & Gamble Company | Flexible, self-supporting storage bag with hinged, framed closure |
JPH11115948A (ja) * | 1997-08-14 | 1999-04-27 | Hosokawa Yoko:Kk | 自立形固体および粉粒体用容器 |
US20030190097A1 (en) * | 2002-04-09 | 2003-10-09 | Hajianpour Mohammed A. | Hanging bag with a resiliently adjustable opening |
DE10348375B4 (de) * | 2003-10-17 | 2006-05-04 | Eurofilters N.V. | Filterbeutel und Verfahren zu dessen Herstellung |
DE102004024005A1 (de) * | 2004-05-13 | 2005-12-08 | Lemo Maschinenbau Gmbh | Standbodenbeutel |
US8142075B2 (en) * | 2004-07-14 | 2012-03-27 | Shaw Raymond R | Foldable blank in use with a bag material for securing and retaining articles of evidence in tamper-evident fashion and including side configured evidence re-entry locations with additional tamper evident reclosure and recording features |
EP1728732A1 (fr) * | 2005-06-01 | 2006-12-06 | Imball-Center S.r.l. | Sac isothermique |
US20070012589A1 (en) * | 2005-07-15 | 2007-01-18 | Cassoni Robert P | Process for manufacture of a flexible package |
KR100987247B1 (ko) * | 2007-05-28 | 2010-10-12 | 씨제이제일제당 (주) | 김치 포장용기 |
EP2170718B1 (fr) * | 2007-08-02 | 2019-05-22 | IAMS Europe B.V. | Sac à soufflets latéraux résistant à l'éclatement |
WO2009021156A2 (fr) * | 2007-08-08 | 2009-02-12 | Clear Lam Packaging, Inc. | Récipient souple et empilable et procédé et système de fabrication correspondants |
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 |
FR2929247B1 (fr) * | 2008-03-26 | 2012-10-19 | Veriplast Flexible | Sac d'emballage en matiere plastique et son procede de fabrication |
US20100046861A1 (en) * | 2008-08-22 | 2010-02-25 | Wilcoxen Kyle R | Bag With Reinforcing Features |
EP2376338A4 (fr) * | 2008-11-06 | 2012-12-26 | Clear Lam Packaging Inc | Contenant flexible empilable et procédé et système permettant de le fabriquer |
WO2011031545A2 (fr) * | 2009-08-27 | 2011-03-17 | Graphic Packaging International, Inc. | Sac renforcé |
US20110002561A1 (en) * | 2010-06-24 | 2011-01-06 | Vir Narula | Reinforced bag |
DE102014116820A1 (de) * | 2014-11-18 | 2016-05-19 | Mondi Consumer Packaging Technologies Gmbh | Seitenfaltenbeutel sowie Verfahren zur Herstellung eines Seitenfaltenbeutels |
-
2015
- 2015-01-29 FR FR1550697A patent/FR3032185B1/fr active Active
-
2016
- 2016-01-25 US US15/547,113 patent/US20180002092A1/en not_active Abandoned
- 2016-01-25 TR TR2019/07177T patent/TR201907177T4/tr unknown
- 2016-01-25 AU AU2016211097A patent/AU2016211097A1/en not_active Abandoned
- 2016-01-25 PL PL16705229T patent/PL3250465T3/pl unknown
- 2016-01-25 PT PT16705229T patent/PT3250465T/pt unknown
- 2016-01-25 ES ES16705229T patent/ES2728427T3/es active Active
- 2016-01-25 DK DK16705229.9T patent/DK3250465T3/da active
- 2016-01-25 RU RU2017126663A patent/RU2017126663A/ru not_active Application Discontinuation
- 2016-01-25 EP EP16705229.9A patent/EP3250465B1/fr active Active
- 2016-01-25 BR BR112017016015-3A patent/BR112017016015A2/pt not_active Application Discontinuation
- 2016-01-25 WO PCT/FR2016/050140 patent/WO2016120550A1/fr active Application Filing
- 2016-01-25 CA CA2975207A patent/CA2975207A1/fr not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
DK3250465T3 (da) | 2019-05-20 |
ES2728427T3 (es) | 2019-10-24 |
FR3032185A1 (fr) | 2016-08-05 |
FR3032185B1 (fr) | 2019-05-17 |
BR112017016015A2 (pt) | 2018-03-20 |
US20180002092A1 (en) | 2018-01-04 |
PT3250465T (pt) | 2019-05-31 |
EP3250465B1 (fr) | 2019-05-08 |
RU2017126663A (ru) | 2019-01-28 |
AU2016211097A1 (en) | 2017-08-17 |
WO2016120550A1 (fr) | 2016-08-04 |
TR201907177T4 (tr) | 2019-06-21 |
CA2975207A1 (fr) | 2016-08-04 |
PL3250465T3 (pl) | 2019-09-30 |
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