EP1472148A2 - Closure assembly in a bag - Google Patents
Closure assembly in a bagInfo
- Publication number
- EP1472148A2 EP1472148A2 EP03737342A EP03737342A EP1472148A2 EP 1472148 A2 EP1472148 A2 EP 1472148A2 EP 03737342 A EP03737342 A EP 03737342A EP 03737342 A EP03737342 A EP 03737342A EP 1472148 A2 EP1472148 A2 EP 1472148A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- fixing
- welding
- webs
- closure
- bag
- 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
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
- B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
- B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
-
- 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
- B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
- B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
- B65D33/2516—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor comprising tamper-indicating means, e.g. located within the fastener
- B65D33/2525—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor comprising tamper-indicating means, e.g. located within the fastener located between the fastener and the product compartment
-
- 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
- B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
- B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
- B65D33/2584—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor characterized by the slider
- B65D33/2587—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor characterized by the slider the slider being made out of a plurality of pieces
-
- 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
- B31B70/8132—Applying the closure elements in the machine direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1056—Perforating lamina
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
- Y10T156/1304—Means making hole or aperture in part to be laminated
Definitions
- the present invention relates to the field of packaging bags. It relates in particular to the manufacture of sachets comprising closure assemblies, in particular closure assemblies of the inviolable type.
- FIG. 1 shows an example of a known closure assembly 1. It has complementary profiles 2 allowing the opening and closing of the mouth 3 of a bag.
- the complementary profiles 2 are advantageously open or closed thanks to a movable cursor 4.
- the sails 6 are fixed during a welding process, during which the fixing sails pass between the welding jaws 8.
- the invention proposes to improve the system for fixing the sails on the faces of the bag.
- closure assemblies whose inviolable means do not consist of a veil comprising a line of weakness.
- the invention provides a closure assembly comprising complementary closure profiles and webs for fixing the closure assembly to the interior faces of a bag, characterized in that it comprises:
- precut or a line of weakness practiced in one of the fixing veils, said precut or line of weakness delimiting said fixing veil in a first external part and a second internal part, the external welding strip provided on the veil being limited to the external part of it;
- each inner welding strip being located on said inner part of the fixing webs.
- the outer web for welding the web not including the pre-cut extends only over the outer part of the web
- closure profiles are complementary to the male / female type; - the closure profiles include a movable slider.
- the invention also relates to the sachets comprising the closure assemblies according to the invention, the methods and the machines for manufacturing the closure assemblies and to the sachets comprising these assemblies.
- FIG. 2 schematically shows a closure assembly according to the invention
- FIG. 3 schematically shows a closure assembly in place on the mouth of a plastic bag
- FIG. 4 shows a closure assembly according to the invention, the tamper-evident element has been opened
- FIG. 5 shows an embodiment where a packaging bag is filled after fixing the closure element
- FIG. 6 shows a closure assembly whose fixing strip is on the opposite veil relative to the embodiment shown in Figure 2;
- FIG. 7 represents a closure assembly combining the embodiments of FIGS. 2 and 6.
- the present invention relates to the manufacture on an automatic machine of assemblies for closing resealable sachets, these sachets comprising a closure assembly with fastening webs making it possible to form tamper-evident means.
- the present invention can be applied both to automatic machines for manufacturing bags with horizontal scrolling and to machines for automatic manufacturing of bags with vertical scrolling. Furthermore, the present invention applies equally to machines for automatic manufacture of sachets with filling during a stage subsequent to manufacture and possibly separated geographically from the place of manufacture, as to machines for manufacture, for filling and closing - of the “FORM, FILL and SEAL” (FFS) type according to the Anglo-Saxon terminology generally used - in a single place and in successive stages.
- FORM, FILL and SEAL FFS
- FIG. 2 a closure assembly 1 according to the invention.
- the complementary profiles 2 are advantageously open or closed thanks to a movable cursor 4.
- the assembly may however not include a cursor.
- the complementary closure profiles 2 are advantageously of the male / female type. However, other types of complementary profiles can be envisaged. Fixing veils 6a and 6b support the profiles 2 and allow them to be fixed to the walls of a bag.
- a line of weakness or a precut 10 parallel to the sections is made on one of the sails 6a.
- the precut 10 extends substantially in the middle of the web 6a. It thus divides the web 6a into two parts: a first outermost part 61a relative to the bag and a second most internal part 62a.
- the second web 6b will be called “external part” the part 61b and “internal part” the part 62b.
- welding strip encompasses all the possibilities of fixing a fixing veil to a wall of a bag, such as for example thermal welding, in particular welding of the “hotmelt” type, but also collages.
- the external face of the external part 61a of the veil 6a is covered with a welding strip 11.
- the strip 11 is able to fix the veil 6a on the internal face of a wall of a bag.
- the internal face of the part 61a is devoid of welding tape. It is the same for the inside of part 61 b. Thus, the interior faces of the parts 61a and 61b cannot be welded together. According to a variant, the material of the fixing webs is such that the internal faces do not adhere to one another during a welding process. The same result can be obtained by a surface treatment method known to those skilled in the art.
- the inner face of the part 62b is covered with a welding strip 12, which faces the part 62a which is covered or not with a welding strip.
- the part 62a does not have a strip, which makes it possible to save on welding material and to perform relatively clean welds.
- the welding strip can be fixed on the part 62a, and not on 62b.
- Figures 6 and 7 differ from Figure 2 only by the place of the welding strip on the inner part of the webs 6a and 6b.
- the parts 62a and 62b can be welded together when the closure assembly passes between the welding shoes.
- the outer face of the veil 6b is covered with a welding strip 13 capable of securing the veil 6b on the inner face of a bag.
- FIG. 3 schematically represents the upper part of a bag 20 comprising at its mouth 3 a closure assembly 1 according to the invention.
- the fastening of the webs 6a and 6b is carried out during a welding or gluing process, during which the webs 6a and 6b pass between jaws 8 of welding or gluing.
- the outer faces of the webs 6a and 6b are fixed to the inner faces of the walls 7 of the resealable bag 20.
- the thermal welding process seals together the internal faces of parts 62a and 62b.
- the assembly 1 therefore constitutes a closure of the inviolable type, the weld 12 being hermetic.
- FIG. 4 diagrammatically represents the operation of the opening after the first opening of the tamper-proof, that is to say after the precut 10 has been cut.
- the user After opening the profiles 2 with the cursor 4, the user exerts sufficient force on the webs 6a and 6b in order to break the line of weakness or the precut 10. After the break of the line of weakness or the precut 10 , the part 62a remains welded to the web 6b, the part 61a remains welded to the wall of the bag 20.
- the arrow 21 schematically shows that the user can have access to the interior of the bag 20. The user can therefore open or close the profiles 2 as he sees fit.
- the invention also relates to the manufacture of assemblies 1.
- the fixing webs 6a and 6b can also have come from extrusions coming from material on the profiles.
- a precut is practiced or a line of weakness 10 is formed in one of the fixing sails, which are referenced by 6a for the clarity of the description.
- Welding strips are then applied to the webs 6a and 6b.
- the welding strips on the outer faces of the webs extend over the outer part of the web 6a relative to the precut or line of weakness 10 and over the entire face for the web 6b.
- the welding strips on the inner faces of the webs extend over the inner part of the sail (s) 6a and / or 6b relative to the precut or line of weakness 10.
- the inner faces of the outer parts relative to the pre-cut 10 do not have a welding strip.
- only an internal part comprises a welding strip.
- the complementary profiles advantageously include a movable cursor for assistance in opening / closing.
- the cursor can be metal or plastic.
- the walls of the sachets can be of any material such as plastic, cardboard, or paper.
- the invention also relates to a method of fixing the closure assemblies to the mouths of resealable bags.
- the closure assembly is scrolled at the mouth of a bag, which is formed by means known in themselves, the scrolling being effected between welding shoes.
- the welding shoes allow the welding bands to be fixed on the walls of the bag and to weld the internal parts of the fixing veils between them.
- the welding of the fixing veils on the inner faces of the walls of the bag can be done simultaneously on the two walls, or one can weld a first veil, perform different operations, such as filling the bag for example, then weld the second veil.
- the machines for manufacturing the closure assemblies include means capable of applying the welding strips to the appropriate faces of the fixing webs. They also include means capable of practicing a line of weakness or a precut on one of the fixing sails.
- the machines for fixing the closure assemblies to the mouth of the sachets comprise means capable of making the closure assemblies pass through at the mouth of the sachets, and this between means capable of welding the fixing assemblies to the walls. These means may in particular include welding shoes.
- the scrolling means can be longitudinal scrolling means or transverse scrolling means. Upstream of the closure, the machines include means for forming the bag known in themselves. The bag can be filled with the product at the site where the bag is made. It can for example be carried out before fixing the closure assembly.
- These means may for example include means which are inserted between the internal parts of the fixing webs during the welding step.
- welding strips 11 and 13 are only applied to the outer faces of the parts 61a and 61b.
- the inviolable part will be formed by welding the parts 62a and 62b after filling the bag.
- the filling of the bag can be carried out according to other variants.
- filling can be done from the outside, namely between a wall of a bag and a fixing veil.
- the filling can also be carried out by the end of the sachet opposite the mouth where the closure assembly is fixed.
- the fixing machine may include means making it possible to perform welds of the "hotmelt” type. It can also include bonding jaws.
- the foregoing description in no way presupposes the position of the machine.
- it may be a vertical or horizontal movement and that the fastening of the closure assembly can be carried out longitudinally or transversely to the movement of the packaging sheet.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
- Making Paper Articles (AREA)
- Package Frames And Binding Bands (AREA)
- Slide Fasteners (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0201555A FR2835810B1 (en) | 2002-02-08 | 2002-02-08 | CLOSURE ASSEMBLY IN A BAG |
FR0201555 | 2002-02-08 | ||
PCT/FR2003/000373 WO2003066459A2 (en) | 2002-02-08 | 2003-02-06 | Closure assembly in a bag |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1472148A2 true EP1472148A2 (en) | 2004-11-03 |
EP1472148B1 EP1472148B1 (en) | 2007-07-18 |
Family
ID=27620018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03737342A Expired - Fee Related EP1472148B1 (en) | 2002-02-08 | 2003-02-06 | Closure assembly in a bag |
Country Status (12)
Country | Link |
---|---|
US (1) | US20050078891A1 (en) |
EP (1) | EP1472148B1 (en) |
JP (1) | JP4255837B2 (en) |
CN (1) | CN1328126C (en) |
AU (1) | AU2003226863A1 (en) |
BR (1) | BR0303028A (en) |
CA (1) | CA2475260A1 (en) |
DE (1) | DE60314983T2 (en) |
DK (1) | DK1472148T3 (en) |
FR (1) | FR2835810B1 (en) |
MX (1) | MXPA04007712A (en) |
WO (1) | WO2003066459A2 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6863646B2 (en) * | 2002-06-19 | 2005-03-08 | Kraft Foods Holdings, Inc. | Reclosable system for flexible packages having interlocking fasteners |
US7322920B2 (en) * | 2004-01-16 | 2008-01-29 | Illinois Tool Works Inc. | Easy-open shrouded slider-zipper assembly for reclosable bag |
GB0419218D0 (en) | 2004-08-28 | 2004-09-29 | Supreme Plastics Holdings Ltd | Reclosable bag and zipper therefor |
US20080240625A1 (en) * | 2007-03-26 | 2008-10-02 | Illinois Tool Works Inc | Slider zipper with hinged secondary locking profile |
JP4729640B1 (en) * | 2010-04-30 | 2011-07-20 | 株式会社柏原製袋 | Storage body and chuck for clearly showing opening of storage body |
FR2966442B1 (en) * | 2010-10-20 | 2014-02-07 | S2F Flexico | CLOSURE DEVICE AND SACHET USING THE SAME |
JP2017013886A (en) * | 2015-07-06 | 2017-01-19 | 凸版印刷株式会社 | Pouch and content sealing pouch |
CN109732996B (en) * | 2018-12-29 | 2020-08-28 | 重庆鼎盛印务股份有限公司 | Production process of leisure snack packaging bag |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4925316A (en) * | 1986-08-11 | 1990-05-15 | Minigrip, Inc. | Reclosable bag having an outer reclosable zipper type closure and inner non-reclosable closure |
US4819411A (en) * | 1986-12-17 | 1989-04-11 | International Paper Company | High capacity continuous package seam and tab folding and tacking apparatus and method |
US5435864A (en) * | 1993-04-22 | 1995-07-25 | Minigrip, Inc. | Reclosable zipper with tamper evident feature |
US6213641B1 (en) * | 1997-08-25 | 2001-04-10 | S. C. Johnson Home Storage, Inc. | Thermoplastic bag with offset fastener |
US6131248A (en) * | 1998-03-13 | 2000-10-17 | Reynolds Consumer Products, Inc. | Peelable seal on closure mechanism and method therefor |
FR2778362B1 (en) * | 1998-05-05 | 2000-07-28 | Flexico France Sarl | PROCESS FOR MAKING BAGS INCLUDING CLOSING PROFILES ACTUATED BY CURSOR |
CA2269358C (en) * | 1998-05-21 | 2005-04-12 | Illinois Tool Works Inc. | Transverse direction zipper tape |
US6004032A (en) * | 1998-06-30 | 1999-12-21 | Reynolds Consumer Products, Inc. | Tamper-evident closure arrangements and methods |
JP2001315806A (en) * | 2000-03-01 | 2001-11-13 | Reynolds Consumer Prod Inc | Reclosable zipper having sealant layer and peel seal, package and method |
US6183134B1 (en) * | 2000-05-04 | 2001-02-06 | Illinois Tool Works, Inc. | High internal force resistant peel sealable zipper |
DE60109800T2 (en) * | 2000-10-13 | 2006-01-19 | Velcro Industries B.V. | FILLING AND USING RE-BAGABLE BAGS |
US6354738B1 (en) * | 2000-10-24 | 2002-03-12 | Illinois Tool Works Inc. | Tamper evident reclosable plastic bag |
US6863646B2 (en) * | 2002-06-19 | 2005-03-08 | Kraft Foods Holdings, Inc. | Reclosable system for flexible packages having interlocking fasteners |
-
2002
- 2002-02-08 FR FR0201555A patent/FR2835810B1/en not_active Expired - Fee Related
-
2003
- 2003-02-06 DK DK03737342T patent/DK1472148T3/en active
- 2003-02-06 JP JP2003565850A patent/JP4255837B2/en not_active Expired - Fee Related
- 2003-02-06 CA CA002475260A patent/CA2475260A1/en not_active Abandoned
- 2003-02-06 US US10/504,008 patent/US20050078891A1/en not_active Abandoned
- 2003-02-06 CN CNB038066769A patent/CN1328126C/en not_active Expired - Fee Related
- 2003-02-06 DE DE60314983T patent/DE60314983T2/en not_active Expired - Lifetime
- 2003-02-06 WO PCT/FR2003/000373 patent/WO2003066459A2/en active IP Right Grant
- 2003-02-06 AU AU2003226863A patent/AU2003226863A1/en not_active Abandoned
- 2003-02-06 MX MXPA04007712A patent/MXPA04007712A/en active IP Right Grant
- 2003-02-06 BR BR0303028-8A patent/BR0303028A/en not_active IP Right Cessation
- 2003-02-06 EP EP03737342A patent/EP1472148B1/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO03066459A2 * |
Also Published As
Publication number | Publication date |
---|---|
JP4255837B2 (en) | 2009-04-15 |
DE60314983D1 (en) | 2007-08-30 |
DE60314983T2 (en) | 2008-04-03 |
CA2475260A1 (en) | 2003-08-14 |
WO2003066459A2 (en) | 2003-08-14 |
CN1642816A (en) | 2005-07-20 |
EP1472148B1 (en) | 2007-07-18 |
AU2003226863A1 (en) | 2003-09-02 |
WO2003066459A3 (en) | 2004-03-25 |
JP2005516860A (en) | 2005-06-09 |
US20050078891A1 (en) | 2005-04-14 |
MXPA04007712A (en) | 2004-11-10 |
DK1472148T3 (en) | 2007-11-12 |
FR2835810A1 (en) | 2003-08-15 |
CN1328126C (en) | 2007-07-25 |
FR2835810B1 (en) | 2004-04-23 |
WO2003066459A8 (en) | 2004-05-06 |
BR0303028A (en) | 2004-06-15 |
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