WO2004035389A2 - Emballage souple refermable - Google Patents
Emballage souple refermable Download PDFInfo
- Publication number
- WO2004035389A2 WO2004035389A2 PCT/EP2003/014859 EP0314859W WO2004035389A2 WO 2004035389 A2 WO2004035389 A2 WO 2004035389A2 EP 0314859 W EP0314859 W EP 0314859W WO 2004035389 A2 WO2004035389 A2 WO 2004035389A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- strip
- packaging
- adhesive
- sheet
- reclosing
- Prior art date
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
- B65D33/1691—End- or aperture-closing arrangements or devices using adhesive applied to attached closure elements
-
- 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
- B31B70/812—Applying patches, strips or strings on sheets or webs
- B31B70/8123—Applying strips
Definitions
- the present invention relates to a flexible packaging, of the type comprising a body having externally at least one main face formed at least partially by a flexible sheet.
- the object of the invention is to propose a flexible packaging which can be closed easily and whose manufacturing cost is reduced.
- the subject of the invention is flexible packaging as defined in claim 1.
- the invention also relates to a method according to claim 8.
- FIG. 1 is a perspective view of a package according to the invention, before opening;
- FIG. 2 is a cross-sectional view of the packaging of Figure 1, taken along the plane ⁇ ;
- - Figure 3 is a partial perspective view of the installation for manufacturing the packaging of the previous figures;
- Figures 4, 5 and 6 are views similar to that of Figure 1 illustrating successive stages of reclosing the packaging
- FIG. 9 is a view similar to that of FIG. 3 of the installation for manufacturing the packaging of FIG. 8.
- the flexible packaging 10 shown in FIG. 1 is intended, for example, for packaging powdered coffee, or any other pulverulent or granular product, food or not.
- the packaging comprises a flexible sheet 12 folded in on itself longitudinally and secured in a longitudinal weld 14.
- the packaging is initially closed at its lower end by a transverse weld 16 and at its upper end by a transverse weld 18.
- the flexible packaging 10 forms a pocket 20 intended to be open at its upper end.
- the bag 20 comprises a body 22 constituting the vertical trunk of the bag, this trunk being intended to contain the packaged products.
- the body 22 is extended towards the upper end of the body by a neck 24 generally devoid of product.
- the pocket 20 has two opposite main faces 26 extending parallel to one another and two lateral faces 28 connecting the main faces 26 and extending parallel to one another.
- the longitudinal weld 14 defines, on one of the main faces of the pocket, two adjacent sides 26A, 26B. These two sides are connected to each other along the height of the packaging by the longitudinal weld 14. At the lower end, the body is closed by a bottom 30 obtained by folding the sheet. The lower transverse weld 16 is applied against the bottom 30.
- the lateral faces 28 have, at their upper end along the length of the neck 24, an internal fold forming a bellows enabling the two main faces 26 to be brought together in the region of the upper transverse weld 18.
- the longitudinal weld 14 is of the flesh-to-flesh type, that is to say that it is produced by pressing opposite of the opposite parts of the surfaces of the sheet delimiting the inside the package.
- the packaging incorporates means allowing the retention of a wound part of the neck of the packaging after initial opening in order to allow a reliable reclosure of the latter.
- These means for retaining a rolled-up part of the neck comprise a reclosing band 43 held against the outer surface of the sheet 12 by a pressure-reactivatable adhesive 44 also called repositionable adhesive.
- the strip 43 is retained according to the pan 26A. Alternatively, it is retained against the pan 26B. More generally, the strip is retained against a main face 26.
- the strip 43 extends along the entire height of the packaging from the upper weld 18 to the lower weld 16. It extends parallel to the longitudinal weld 14.
- the strip 43 extends above the welded beads 18 and 16.
- a coating preventing welding is interposed between the strip and the sheet 12 in the region welds 16, 18. This coating is especially useful at the upper weld 18 where the strip must be subsequently peeled off.
- the strip 43 is made of the same material as that constituting the sheet 12.
- the sheet 43 has the same structural characteristics as the sheet 12, that is to say that its thickness is identical to that of the sheet 12 similarly than its composition. Indeed, and as will be detailed below, the strip 43 and the sheet 12 come from the same initial strip.
- the adhesive 44 extends only in the middle part of the strip 43, considering the width of the latter. Thus, the lateral margins of the strip 43 are devoid of adhesive.
- the adhesive 44 and the facing surfaces of the pan 26A and of the strip 43 are adapted so that the adhesion of the adhesive 44 on the strip 43 is greater than the adhesion of the adhesive 44 on the pan 26A.
- a repellent coating is advantageously applied to the outer face of the sheet 12 in the region of the strip 43 to reduce the adhesion between the adhesive and the sheet.
- a repellent coating is advantageously disposed on the main face 16 which does not include the longitudinal weld and forms the face on which the strip 43 is subsequently bonded after reclosing. This coating is arranged at the location where the strip 43 is glued.
- the repositionable adhesive is constituted by: a double-sided adhesive tape for cold application, continuously; a hot melt for hot application, can be interrupted; or a cold adhesive coating, which can be interrupted.
- the strip 50 has a width greater than the width of the sheet 12 necessary for the production of the packaging.
- the strip 50 circulates in a unit 54 allowing the application of an adhesive on a marginal portion 56 of the initial strip.
- the station 54 comprises a roller 58 for deflecting the strip, for applying and for fixing a double-sided adhesive tape 62 on the marginal portion 56.
- This double-sided adhesive tape 62 coming from a reel 64 placed on an unwinder in continued.
- Double-sided adhesive tape is a repositionable adhesive.
- the unwinder and the tape are replaced by a head 60 for hot coating hot melt of the marginal part 56 with a repositionable adhesive.
- the strip in roll already comprises a range of repositionable adhesive.
- This range consists of a water-based adhesive which is previously printed when the film is printed.
- a cutting station 66 suitable for continuously separating the marginal portion 56 previously provided with the adhesive from the rest of the initial strip to form, on the one hand, a packaging strip denoted 68 and, on the other hand, a reclosing strip denoted 70 in this figure.
- the cutting station 66 comprises, for example, two rotary cutting disks 72 engaged through the initial strip and driven in a rotational movement by a drive motor 74. Downstream of the cutting station 66 is arranged a station 76 for shifting the reclosing band 70 and bringing it into contact with the surface of the packaging band 68.
- This station 76 comprises, for example, a fixed roller 78 coated with a sliding material such as "Teflon", the axis of which extends generally parallel to the plane of the packaging strip 68.
- the axis of the roller is offset angularly with respect to the direction of advance of the packaging strip 68. It is arranged tangentially to the plane of the packaging strip 68.
- the reclosing strip 70 is engaged around the roller 78, its face devoid of adhesive being in contact with the roller.
- Figure 3 allows, from the initial strip, to obtain, at the outlet of the gluing station 60, an initial strip whose marginal portion 56 is provided with an adhesive. This marginal region is cut by the station 66 and separated from the packaging tape 68.
- the reclosing tape 70 is then offset by the roller 78 and applied against the surface of the packaging tape 68 with its glued part applied against the surface 68.
- the reclosing band 70 is disposed away from the edge marked 80 of the packaging band 68.
- the edges cut opposite the strip 43 and the sheet 12 have complementary profiles.
- the packaging strip 68 to which the re-closure strip is secured is then placed around a tubular former having a generally circular section.
- the sheet thus wound around the tubular former sees its two longitudinal edges brought closer to one another, and applied one on the other along the face of the sheet turned towards the former.
- the longitudinal weld 14 is then carried out by clamping the longitudinal edges between two heating jaws or between an anvil and a jaw.
- the manufacture of the package ends as known per se by simultaneous production of the upper and lower transverse welds of two consecutive packages and by the separation of these two packages.
- the packaging is used as illustrated in Figures 4 to 6.
- Figure 4 the packaging is partially shown while a corner of the upper end of the neck 24 has been cut to ensure the rup- partial ture of the upper transverse weld 18 and thus allow access to the interior of the pocket.
- the first stage of reclosing the packaging consists in spreading the upper part of the strip 43 of the pan 26A on the side of the opening. To do this, the user grasps the upper end of the strip 43 and pulls it down from the packaging.
- the adhesive is entrained with the strip 43, covering the middle part of the exposed surface thereof.
- the detached part of the strip, at least over most of the length of the neck 24 constitutes a tab 90 still secured to the lower part of the body of the packaging.
- the base 92 of the strip, constituting the part still linked to the body of the package, is located substantially in the extreme region of filling of the package.
- the neck 24 is folded over itself several times to form a winding 94. This winding is formed along the main face 26 of the packaging having the weld 14. During the folding of the neck, the glued tab 90 is kept away from the winding 94.
- the glued tab 90 is folded transversely above and around the winding 94, the free end of the tab 90 being glued to the main face 26 of the packaging opposite the main face carrying the weld 14.
- winding 94 is kept wound by the action of the tab 90 glued, on the one hand, around the winding and secured, at each of its ends, to the main faces of the packaging.
- FIGS 7 to 8 are shown alternative embodiments of a package according to the invention.
- FIG. 7 is shown a package formed from a single sheet whose longitudinal weld 14 is of the flesh against leather type, that is to say to say that it is carried out by joining one against the other the opposite surfaces of the sheet delimiting the packaging.
- FIG. 8 illustrates an alternative embodiment of the embodiment of FIG. 2.
- the reclosing strip denoted 103 consists of two superimposed strips 43 connected to one another.
- One of the strips 43 is secured by an adhesive to the outer surface of the sheet 12.
- the other strip 43 is linked to the first by an additional adhesive interposed between the two strips.
- the two bands 43 are connected to each other by welding in the region of the upper 18 and lower welds 16. These welds are produced simultaneously with the welds 18 and 16.
- the installation for manufacturing the packaging sheet has the same elements as those of the installation in FIG. 3.
- a gluing station 100 for the second band is arranged downstream of the second cutting station 66 '. This station is suitable for applying an adhesive ensuring the subsequent connection of the two strips 43.
- a second shift station 76 ' is arranged to bring the second strip denoted 70' above the first strip denoted 70.
- This second station comprises two rollers 78 ', 78 "defining an angle of 45 ° with the direction d 'advancement of the strip.
- the first roller 78' ensures a change in direction of the strip by 90 ° relative to the direction of advance of the main strip, the second roller 78 "again providing an angular offset of 90 ° of the strip so that it comes to be applied to the first strip 70 already applied against the packaging strip 68.
- the two strips 70, 70 ′ are glued when they are brought into contact. Such an embodiment is particularly useful when the thickness of the packaging sheet is reduced.
- the packaging can be reliably closed, the winding formed from the neck can not take place by itself.
- the resealing of the packaging is guaranteed by means having a very low cost, this means being able to be produced simultaneously with the pouch packaging the products.
- the installation of the winding retaining means is relatively easy for the user.
- the packaging is continuously formed here. Alternatively, however, the packages are prefabricated and left open at one end. They are only closed and sealed at this end after filling.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
- Wrappers (AREA)
- Bag Frames (AREA)
- Buffer Packaging (AREA)
- Materials For Medical Uses (AREA)
- Making Paper Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003293997A AU2003293997B2 (en) | 2002-10-18 | 2003-10-17 | Recloseable flexible bag |
US10/531,663 US7708463B2 (en) | 2002-10-18 | 2003-10-17 | Recloseable flexible bag |
US12/323,168 US8579781B2 (en) | 2002-10-18 | 2008-11-25 | Recloseable flexible bag |
AU2010219410A AU2010219410B2 (en) | 2002-10-18 | 2010-09-13 | Method for producing flexible packaging |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02292587A EP1410999B1 (fr) | 2002-10-18 | 2002-10-18 | Emballage souple refermable |
EP02292587.9 | 2002-10-18 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/323,168 Division US8579781B2 (en) | 2002-10-18 | 2008-11-25 | Recloseable flexible bag |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2004035389A2 true WO2004035389A2 (fr) | 2004-04-29 |
WO2004035389A3 WO2004035389A3 (fr) | 2004-06-03 |
Family
ID=32039238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/014859 WO2004035389A2 (fr) | 2002-10-18 | 2003-10-17 | Emballage souple refermable |
Country Status (10)
Country | Link |
---|---|
US (2) | US7708463B2 (fr) |
EP (1) | EP1410999B1 (fr) |
AT (1) | ATE461870T1 (fr) |
AU (2) | AU2003293997B2 (fr) |
CY (1) | CY1109988T1 (fr) |
DE (1) | DE60235760D1 (fr) |
DK (1) | DK1410999T3 (fr) |
ES (1) | ES2342768T3 (fr) |
PT (1) | PT1410999E (fr) |
WO (1) | WO2004035389A2 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1719712A1 (fr) | 2005-05-04 | 2006-11-08 | Sealstrip Corporation | Emballages refermables |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9150342B2 (en) | 2003-04-16 | 2015-10-06 | Intercontinental Great Brands Llc | Resealable tray container |
US20060269173A1 (en) * | 2005-05-25 | 2006-11-30 | Uwe Koehn | Side fold sack with roll bottom |
US7963413B2 (en) | 2006-05-23 | 2011-06-21 | Kraft Foods Global Brands Llc | Tamper evident resealable closure |
US8308363B2 (en) | 2006-05-23 | 2012-11-13 | Kraft Foods Global Brands Llc | Package integrity indicator for container closure |
US8114451B2 (en) | 2006-12-27 | 2012-02-14 | Kraft Foods Global Brands Llc | Resealable closure with package integrity feature |
US8408792B2 (en) | 2007-03-30 | 2013-04-02 | Kraft Foods Global Brands Llc | Package integrity indicating closure |
US7681732B2 (en) | 2008-01-11 | 2010-03-23 | Cryovac, Inc. | Laminated lidstock |
US20100018974A1 (en) | 2008-07-24 | 2010-01-28 | Deborah Lyzenga | Package integrity indicating closure |
GB0819200D0 (en) | 2008-10-20 | 2008-11-26 | Cadbury Holdings Ltd | Packaging |
WO2011004271A2 (fr) * | 2009-07-07 | 2011-01-13 | Di-El Tack Ltd. | Pince adhésive permettant de fermer un sac |
US8622618B2 (en) * | 2009-08-14 | 2014-01-07 | Cryovac, Inc. | Easy open and reclosable package with discrete laminate having panel section with easy-open sealant |
US9221591B2 (en) * | 2009-08-14 | 2015-12-29 | Cryovac, Inc. | Easy open and reclosable package with discrete laminate with die-cut |
US8646975B2 (en) * | 2009-08-14 | 2014-02-11 | Cryovac, Inc. | Easy open and reclosable package with discrete tape and die-cut web |
DE102009047369A1 (de) * | 2009-12-01 | 2011-06-09 | Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg | Beutelverpackung mit Klebelasche |
EP2347971B1 (fr) | 2010-01-26 | 2012-08-22 | Generale Biscuit | Emballage refermable pour produits alimentaires et procédé de fabrication |
ES2390568T3 (es) | 2010-03-23 | 2012-11-14 | Generale Biscuit | Envase que se puede volver a cerrar para productos alimenticios y método de fabricación |
US9656783B2 (en) | 2010-05-18 | 2017-05-23 | Intercontinental Great Brands Llc | Reclosable flexible packaging and methods for manufacturing same |
NZ603700A (en) | 2010-05-18 | 2014-02-28 | Intercontinental Great Brands Llc | Reclosable flexible packaging and methods for manufacturing same |
US8979370B2 (en) | 2011-01-28 | 2015-03-17 | Cryovac, Inc. | Easy open and reclosable package with discrete laminate with die-cut |
WO2012125945A1 (fr) | 2011-03-17 | 2012-09-20 | Kraft Foods Global Brands Llc | Produits d'emballage en film souple pouvant être refermés et procédés de fabrication |
US9499309B2 (en) * | 2011-07-28 | 2016-11-22 | Intercontinental Great Brands Llc | Reclosable packaging using a low-tack adhesive fastener |
US8727621B2 (en) * | 2012-02-13 | 2014-05-20 | Cryovac, Inc. | Easy open and reclosable package with die-cut web and reclosure mechanism |
GB2523391A (en) * | 2014-02-24 | 2015-08-26 | Essentra Packaging & Security Ltd | Packaging method and apparatus |
US9586724B2 (en) | 2014-06-10 | 2017-03-07 | Cryovac, Inc. | Easy open and reclosable gusseted package with die-cut web and reclosure mechanism |
US10106285B2 (en) * | 2014-08-20 | 2018-10-23 | Charter Nex Films, Inc. | Flexible package having a recyclable closure and a method of configuring said package for recycling |
CN109890489A (zh) * | 2016-11-08 | 2019-06-14 | 日本碍子株式会社 | 分离膜的干燥方法及分离膜结构体的制造方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1133911A (en) * | 1914-09-02 | 1915-03-30 | Hugh A Barnard | Paper bag. |
US1619887A (en) * | 1924-06-17 | 1927-03-08 | Sapp Casiah | Paper-bag-sealing means |
DE1059277B (de) * | 1958-03-19 | 1959-06-11 | Hauni Werke Koerber & Co Kg | Verfahren und Vorrichtung zum Herstellen einer mit einem Aufreissstreifen versehenenMaterialbahn von Papier, Pappe od. dgl. |
US3566752A (en) * | 1968-08-12 | 1971-03-02 | Gen Cigar Co | Method of forming a tear strip on a packaging sheet |
US5716135A (en) * | 1996-01-26 | 1998-02-10 | Campbell; Wilson S. | Shopping bag having restraining tabs and an associated method |
US5928749A (en) * | 1995-11-22 | 1999-07-27 | Forman; Harold M | Resealable package, and apparatus for and method of making same |
FR2823722A1 (fr) * | 2001-04-18 | 2002-10-25 | Danisco Flexible France | Emballage souple refermable |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US3107842A (en) * | 1961-01-23 | 1963-10-22 | Continental Can Co | Reclosable bag |
US3806024A (en) * | 1972-02-14 | 1974-04-23 | Colgate Palmolive Co | Adhesive closure for plastic film bags |
US5078509A (en) * | 1990-09-28 | 1992-01-07 | Recot, Inc. | Resealable package |
US5407419A (en) * | 1992-06-01 | 1995-04-18 | Kellcover, Inc. | Enclosure with integral tie member |
-
2002
- 2002-10-18 ES ES02292587T patent/ES2342768T3/es not_active Expired - Lifetime
- 2002-10-18 PT PT02292587T patent/PT1410999E/pt unknown
- 2002-10-18 DE DE60235760T patent/DE60235760D1/de not_active Expired - Lifetime
- 2002-10-18 AT AT02292587T patent/ATE461870T1/de active
- 2002-10-18 EP EP02292587A patent/EP1410999B1/fr not_active Expired - Lifetime
- 2002-10-18 DK DK02292587.9T patent/DK1410999T3/da active
-
2003
- 2003-10-17 US US10/531,663 patent/US7708463B2/en active Active
- 2003-10-17 WO PCT/EP2003/014859 patent/WO2004035389A2/fr not_active Application Discontinuation
- 2003-10-17 AU AU2003293997A patent/AU2003293997B2/en not_active Expired
-
2008
- 2008-11-25 US US12/323,168 patent/US8579781B2/en active Active
-
2010
- 2010-05-07 CY CY20101100400T patent/CY1109988T1/el unknown
- 2010-09-13 AU AU2010219410A patent/AU2010219410B2/en not_active Revoked
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1133911A (en) * | 1914-09-02 | 1915-03-30 | Hugh A Barnard | Paper bag. |
US1619887A (en) * | 1924-06-17 | 1927-03-08 | Sapp Casiah | Paper-bag-sealing means |
DE1059277B (de) * | 1958-03-19 | 1959-06-11 | Hauni Werke Koerber & Co Kg | Verfahren und Vorrichtung zum Herstellen einer mit einem Aufreissstreifen versehenenMaterialbahn von Papier, Pappe od. dgl. |
US3566752A (en) * | 1968-08-12 | 1971-03-02 | Gen Cigar Co | Method of forming a tear strip on a packaging sheet |
US5928749A (en) * | 1995-11-22 | 1999-07-27 | Forman; Harold M | Resealable package, and apparatus for and method of making same |
US5716135A (en) * | 1996-01-26 | 1998-02-10 | Campbell; Wilson S. | Shopping bag having restraining tabs and an associated method |
FR2823722A1 (fr) * | 2001-04-18 | 2002-10-25 | Danisco Flexible France | Emballage souple refermable |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1719712A1 (fr) | 2005-05-04 | 2006-11-08 | Sealstrip Corporation | Emballages refermables |
US8794834B2 (en) | 2005-05-04 | 2014-08-05 | Sealstrip Corporation | Reclosable packaging |
Also Published As
Publication number | Publication date |
---|---|
ATE461870T1 (de) | 2010-04-15 |
ES2342768T3 (es) | 2010-07-14 |
WO2004035389A3 (fr) | 2004-06-03 |
US8579781B2 (en) | 2013-11-12 |
AU2010219410B2 (en) | 2013-01-17 |
PT1410999E (pt) | 2010-04-14 |
EP1410999A1 (fr) | 2004-04-21 |
US20060083446A1 (en) | 2006-04-20 |
DE60235760D1 (de) | 2010-05-06 |
US20090145084A1 (en) | 2009-06-11 |
CY1109988T1 (el) | 2014-09-10 |
AU2010219410A1 (en) | 2010-10-07 |
US7708463B2 (en) | 2010-05-04 |
AU2003293997B2 (en) | 2010-07-01 |
AU2003293997A1 (en) | 2004-05-04 |
EP1410999B1 (fr) | 2010-03-24 |
DK1410999T3 (da) | 2010-06-14 |
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