EP1574447A1 - Folienbeutel aus einer zwei- oder mehrlagigen Verbundfolie mit einer Griffausstanzung - Google Patents
Folienbeutel aus einer zwei- oder mehrlagigen Verbundfolie mit einer Griffausstanzung Download PDFInfo
- Publication number
- EP1574447A1 EP1574447A1 EP04005425A EP04005425A EP1574447A1 EP 1574447 A1 EP1574447 A1 EP 1574447A1 EP 04005425 A EP04005425 A EP 04005425A EP 04005425 A EP04005425 A EP 04005425A EP 1574447 A1 EP1574447 A1 EP 1574447A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- film
- functional areas
- composite
- bag
- bag according
- 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
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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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/06—Handles
- B65D33/08—Hand holes
Definitions
- the invention relates to a foil bag made of a two- or multi-layer composite film with a Griffausstanzung, wherein the composite foil of at least consists of two laminated by laminating and wherein the bag inside Film of Kaschierverbundes a sealable plastic film with good Stretching properties is.
- the term "foil bag” should both open pockets as well as circumferentially closed product packaging fall. The latter can be provided with tearing aids and reclosures.
- composite films are used used, one side of which is sealable and the other side characterized by good optical properties and is printable.
- PET polyethylene terephthalate
- the grip strength of the made of composite films Film bags often do not meet the requirements in practice, because the film section above the Griffausstanzung tears under the weight of the packing or filling sometimes.
- the invention is based on the object, the tensile strength of the composite film to improve in the field of grip punching.
- the object is in a foil bag with the above-described Features solved according to the invention that the film surface of the composite film Has functional areas in which the bond strength between the bag-inside sealable plastic film and the adjacent thereto Film of laminating is smaller than in the functional areas surrounding area, and that the grip hole is at least partially in is arranged in these functional areas.
- the invention is based on the observation that the tear strength of the composite film smaller than the tear strength of the laminating compound used sealable plastic film.
- a firmly laminated on the sealable plastic film Film hinders the stretching of the sealable film and prevents at a tensile load a uniform force in this film.
- the Griffausstanzung completely within the described functional areas is arranged. This can happen that the layers of the composite film in the handling of the film bag on the circumference of the Griffausstanzung from each other. This affects Although not the function, but can be optical point of view be perceived as disturbing.
- the functional areas described are sections of the handle punching assigned to the composite film when carrying the filled Foil bag preferably tear. These are sections in which the Force application when carrying the foil bag is preferred and the largest Tensile stresses occur. The sections depend on the shape of the Griffausstanzung and can be calculated or less orienting Determine attempts.
- the handle punching formed as a straight or arcuate cutting line, wherein the ends of the cut line are each within an associated functional area are arranged and wherein a middle section of the cutting line in a surrounding the functional areas of the film surface of the composite film is introduced, the bond strength is greater than in the functional areas.
- composite films are preferred in which also in the functional areas of the bag inside sealable plastic film with the adjacent film is connected, but with the proviso that the bond strength here is lower than in the area surrounding the functional area Area.
- the laminating composite in the functional areas a contact surface with a pattern of well-adherent and badly adherent zones. Due to the area share of bad Adhesive zones, the bond strength is changeable.
- the area share of poorly adhering film, based on the area of the functional area is preferably more than 20%.
- the pattern described may be consist of parallel or intersecting lines or of a pattern with a cellular structure are formed.
- the sealable plastic film with the adjacent foil in the Functional areas punctiform firmly connected to each other, so the good adhesive zones of the pattern consist of punctiform surfaces.
- a preferred embodiment of The invention provides that the sealable plastic film of Kaschierverbundes outside the functional areas one by surface treatment has modified surface on which the adjacent layer of the Kaschierverbundes firmly adheres, and that at the surface sections, which the Functional areas form, no surface treatment was done or this there was weaker and / or this on small patches, the within the functional areas form a pattern has been limited.
- Surface treatments which influence the adhesive properties of the film surface include, for example, a treatment of the surface with a Gas flame in excess of oxygen or an oxidizing surface treatment by corona discharges.
- composite films are used which consist of at least two sheets bonded together surface, wherein the bag inside film a sealable plastic film with good elongation properties is.
- the sealable plastic film may be a monofilm or a coextruded film.
- films of polyethylene or polymers with comparable elongation and sealing properties are particularly advantageous in the Use of composite films comprising a laminate of a polyethylene film as a bag inside sealable plastic film and a comparison rigid and brittle film, in particular of polyethylene terephthalate (PET) or an oriented polypropylene.
- PET polyethylene terephthalate
- the film bag shown in Fig. 1 consists of a two- or multi-layered Composite film 1 and has a Griffausstanzung 2.
- the composite film 1 consists of at least two laminates 3, 4 connected by laminating, wherein the bag inside film 3 of Kaschierverbundes a sealable plastic film with good elongation properties, eg. B. a polyethylene film is.
- the film surface of the composite film has functional areas 5, in which the Bond strength between the bag-inside sealable plastic film 3 and the adjoining film 4 of Kaschierverbundes is smaller as in the area surrounding the functional areas 5 6.
- the functional areas 5 are optically not visible on the outside of the film and in Fig. 1st indicated for clarity only by a dashed line. Fig. 1 makes it clear that the Griffausstanzung 2 at least partially in these functional areas 5 is arranged.
- the functional areas 5, which have a reduced bond strength between the bag-inside sealable plastic film 3 and the adjacent film 4 of Kaschierverbundes have sections of the Griffausstanzung. 2 assigned to the composite film 1 when carrying the filled foil bag preferably tears.
- the Griffausstanzung 2 is arcuate Cutting line formed, with the ends of the cutting line respectively are arranged within an associated functional area 5. Of the middle section a of the section line is in a surrounding the functional areas Inserted film surface 6 of the composite film whose bond strength is greater than in the functional areas 5.
- the composite film 1 shown in FIGS. 2 and 3 consists of a laminated composite from a polyethylene film as a bag inside sealable plastic film 3 and compared to a stiff and brittle film 4 Polyester (PET), which forms the outside of the composite film.
- PET stiff and brittle film 4 Polyester
- the two Films are flat with a laminating adhesive, which is shown as an adhesive layer 7 is, glued.
- the bag outer side film 4 is on the inner surface with a reverse printing, which is shown in Fig. 2 by a color layer 8, printed.
- the composite-side surface 9 of the polyethylene film is surface-treated to increase the adhesion of the adjacent adhesive layer 7 improve.
- the surface treatment carried out flat, so that the laminated composite a high bond strength between the bag-inside polyethylene film 3 and the outer Polyester film 4 has.
- the surface treatment limited to small patches 10 that are within the functional areas form a pattern shown in Fig. 3.
- the patches 10 form well-adhering zones and consist in the embodiment of FIG. 3 punctiform surfaces made visible by coloring the film surface can be.
- a three-layer Kaschierverbund is shown.
- This has a polyethylene film as a bag-inside sealable plastic film 3, a polyester film as outside film 12 and a middle film 4, the application specific can be set.
- the middle foil 4 may be for example, to act a metallized polyester film.
- the foils 3, 4, 12 are glued together flat. The bonding is shown in Fig. 4 by adhesive layers 7 indicated.
- Between the polyethylene film 3 and adjacent to this Foil 4 of the laminating composite is an intermediate layer 13, their adhesion to the adjacent foil 3 is smaller than the adhesion between the layers of the lamination composite.
- the intermediate layer 13 is made for example, from a Denosivlack and is on the functional areas. 5 limited.
- the Denosivlack can be flat or possibly in the form of a Pattern, which has covered areas and free surfaces, applied become.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
- Laminated Bodies (AREA)
- Wrappers (AREA)
Abstract
Description
- Fig. 1
- einen aus einer Verbundfolie gefertigten Folienbeutel mit einer Griffausstanzung,
- Fig. 2
- einen Längsschnitt durch die Verbundfolie,
- Fig. 3
- den Schnitt A-A aus Fig. 2,
- Fig. 4
- eine weitere Ausführungsform der Verbundfolie, ebenfalls im Längsschnitt.
Claims (11)
- Folienbeutel aus einer zwei- oder mehrlagigen Verbundfolie (1) mit einer Griffausstanzung (2), wobei die Verbundfolie (1) aus mindestens zwei durch Kaschieren verbundenen Folien (3, 4) besteht und wobei die beutelinnenseitige Folie des Kaschierverbundes eine siegelfähige Kunststofffolie (3) mit guten Dehnungseigenschaften ist, dadurch gekennzeichnet, dass die Folienfläche der Verbundfolie Funktionsbereiche (5) aufweist, in denen die Verbundfestigkeit zwischen der beutelinnenseitigen siegelfähigen Kunststofffolie (3) und der daran angrenzenden Folie (4) des Kaschierverbundes kleiner ist als in der die Funktionsbereiche (5) gebenden Fläche (6) und dass die Griffausstanzung (2) zumindest zum Teil in diesen Funktionsbereichen (5) angeordnet ist.
- Folienbeutel nach Anspruch 1, dadurch gekennzeichnet, dass die Funktionsbereiche (5), die eine reduzierte Verbundfestigkeit zwischen der beutelinnenseitigen siegelfähigen Kunststofffolie (3) und der angrenzenden Folie (4) des Kaschierverbundes aufweisen, Abschnitten der Griffausstanzung (2) zugeordnet sind, an der die Verbundfolie beim Tragen des gefüllten Folienbeutels (1) bevorzugt einreißt.
- Folienbeutel nach Anspruch 2, dadurch gekennzeichnet, dass die Griffausstanzung (2) als gerade oder bogenförmige Schnittlinie ausgebildet ist, wobei die Enden der Schnittlinie jeweils innerhalb eines zugeordneten Funktionsbereiches (5) angeordnet sind und wobei ein mittlerer Abschnitt (a) der Schnittlinie in eine die Funktionsbereiche umgebende Folienfläche (6) der Verbundfolie eingebracht ist, deren Verbundfestigkeit größer ist als in den Funktionsbereichen (5).
- Folienbeutel nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Kaschierverbund in den Funktionsbereichen (5) eine Kontaktfläche mit einem Muster aus gut haftenden Zonen (10) und schlecht haftenden Zonen (11) aufweist.
- Folienbeutel nach Anspruch 4, dadurch gekennzeichnet, dass die schlecht haftenden Zonen (11) einen Flächenanteil von mehr als 20 % bezogen auf die Fläche des Funktionsbereiches (5) aufweisen.
- Folienbeutel nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass das aus gut haftenden und schlecht haftenden Zonen (10, 11) bestehende Muster ein Muster aus parallelen oder sich kreuzenden Linien oder ein Muster mit einer zellenförmigen Struktur bildet.
- Folienbeutel nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass die gut haftenden Zonen (10) aus punktförmigen Flächen bestehen.
- Folienbeutel nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die siegelförmige Kunststofffolie (3) des Kaschierverbundes außerhalb der Funktionsbereiche eine durch Oberflächenbehandlung modifizierte Oberfläche aufweist, an der die angrenzende Schicht (7) des Kaschierverbundes fest haftet, und dass an den Flächenabschnitten, welche die Funktionsbereiche (5) bilden, keine Oberflächenbehandlung erfolgte oder diese dort schwächer ausgeführt wurde und/oder diese auf kleine Flächenstücke (10), die innerhalb der Funktionsbereiche (5) ein Muster bilden, beschränkt wurde.
- Folienbeutel nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass zwischen der siegelfähigen Kunststofffolie (3) und der an diese angrenzenden Folie (4) des Kaschierverbundes eine Zwischenschicht (13) angeordnet ist, deren Haftung an der angrenzenden Folie (3) kleiner ist als die Haftung zwischen den Schichten des Kaschierverbundes, wobei die Zwischenschicht (13) auf die Funktionsbereiche (5) beschränkt ist.
- Folienbeutel nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Verbundfolie (1) einen Kaschierverbund aus einer Polyethylenfolie als beutelinnenseitige siegelfähige Kunststofffolie (3) und einer im Vergleich dazu steifen und spröden Folie, insbesondere aus Polyethylenterephthalat (PET) oder einem orientierten Polypropylen, aufweist.
- Folienbeutel nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass die beutelaußenseitige Folie der Verbundfolie mit einem Konterdruck an der Innenfläche bedruckt ist.
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04005425A EP1574447B1 (de) | 2004-03-08 | 2004-03-08 | Folienbeutel aus einer zwei- oder mehrlagigen Verbundfolie mit einer Griffausstanzung |
AT04005425T ATE396119T1 (de) | 2004-03-08 | 2004-03-08 | Folienbeutel aus einer zwei- oder mehrlagigen verbundfolie mit einer griffausstanzung |
PL04005425T PL1574447T3 (pl) | 2004-03-08 | 2004-03-08 | Worek foliowy z dwu- lub wielowarstwowym kompozytem foliowym ze stanowiącym uchwyt wycięciem |
AT05003837T ATE432226T1 (de) | 2004-03-08 | 2004-03-08 | Folienbeutel aus einer zwei- oder mehrlagigen verbundfolie mit einer griffausstanzung |
ES04005425T ES2302991T3 (es) | 2004-03-08 | 2004-03-08 | Bolsa de laminas formada por una lamina compuesta de dos o mas capas con una estampacion de agarre. |
DE502004009525T DE502004009525D1 (de) | 2004-03-08 | 2004-03-08 | Folienbeutel aus einer zwei- oder mehrlagigen Verbundfolie mit einer Griffausstanzung |
DE502004007219T DE502004007219D1 (de) | 2004-03-08 | 2004-03-08 | Folienbeutel aus einer zwei- oder mehrlagigen Verbundfolie mit einer Griffausstanzung |
EP05003837A EP1588953B1 (de) | 2004-03-08 | 2004-03-08 | Folienbeutel aus einer zwei- oder mehrlagigen Verbundfolie mit einer Griffausstanzung |
DK04005425T DK1574447T3 (da) | 2004-03-08 | 2004-03-08 | Foliepose af en to eller flerlags lamineret folie med en udstansning til greb |
PCT/EP2005/002382 WO2005085080A2 (de) | 2004-03-08 | 2005-03-07 | Folienbeutel aus einer zwei- oder mehrlagigen verbundfolie mit einer griffausstanzung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04005425A EP1574447B1 (de) | 2004-03-08 | 2004-03-08 | Folienbeutel aus einer zwei- oder mehrlagigen Verbundfolie mit einer Griffausstanzung |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05003837A Division EP1588953B1 (de) | 2004-03-08 | 2004-03-08 | Folienbeutel aus einer zwei- oder mehrlagigen Verbundfolie mit einer Griffausstanzung |
EP05003837.1 Division-Into | 2005-02-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1574447A1 true EP1574447A1 (de) | 2005-09-14 |
EP1574447B1 EP1574447B1 (de) | 2008-05-21 |
Family
ID=34814255
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05003837A Expired - Lifetime EP1588953B1 (de) | 2004-03-08 | 2004-03-08 | Folienbeutel aus einer zwei- oder mehrlagigen Verbundfolie mit einer Griffausstanzung |
EP04005425A Expired - Lifetime EP1574447B1 (de) | 2004-03-08 | 2004-03-08 | Folienbeutel aus einer zwei- oder mehrlagigen Verbundfolie mit einer Griffausstanzung |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05003837A Expired - Lifetime EP1588953B1 (de) | 2004-03-08 | 2004-03-08 | Folienbeutel aus einer zwei- oder mehrlagigen Verbundfolie mit einer Griffausstanzung |
Country Status (7)
Country | Link |
---|---|
EP (2) | EP1588953B1 (de) |
AT (2) | ATE432226T1 (de) |
DE (2) | DE502004007219D1 (de) |
DK (1) | DK1574447T3 (de) |
ES (1) | ES2302991T3 (de) |
PL (1) | PL1574447T3 (de) |
WO (1) | WO2005085080A2 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2100721A1 (de) | 2008-03-11 | 2009-09-16 | Alcan Technology & Management Ltd. | Laminat mit einem Bereich mit verbesserter Reißfestigkeit |
WO2011127916A1 (de) * | 2010-04-16 | 2011-10-20 | Kobusch-Sengewald Gmbh | Laminat mit sollbruchstelle und verringerter risspropagation |
DE102011002315A1 (de) * | 2011-04-28 | 2012-10-31 | Nordenia Technologies Gmbh | Folienverpackung, insbesondere für Feuchttücher |
WO2023026722A1 (ja) * | 2021-08-24 | 2023-03-02 | 株式会社フジシール | パウチ容器 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2359759A1 (fr) * | 1976-07-28 | 1978-02-24 | Bosch Gmbh Robert | Sachet d'emballage avec une languette de prehension |
DE3232321A1 (de) * | 1982-08-31 | 1984-03-01 | Bischof Und Klein Gmbh & Co, 4540 Lengerich | Trageverpackung aus flexiblem werkstoff in sack- oder beutelform |
EP0266670A2 (de) * | 1986-11-05 | 1988-05-11 | Stiegler Gmbh Maschinenfabrik | Tragetasche aus thermoplastischer Kunststoffolie |
EP1129960A1 (de) * | 2000-02-18 | 2001-09-05 | Goglio Luigi Milano S.P.A. | Flexibler Behälter mit einem gegen Einreissen verstärkten Griff |
-
2004
- 2004-03-08 AT AT05003837T patent/ATE432226T1/de active
- 2004-03-08 EP EP05003837A patent/EP1588953B1/de not_active Expired - Lifetime
- 2004-03-08 EP EP04005425A patent/EP1574447B1/de not_active Expired - Lifetime
- 2004-03-08 AT AT04005425T patent/ATE396119T1/de active
- 2004-03-08 ES ES04005425T patent/ES2302991T3/es not_active Expired - Lifetime
- 2004-03-08 DE DE502004007219T patent/DE502004007219D1/de not_active Expired - Lifetime
- 2004-03-08 DE DE502004009525T patent/DE502004009525D1/de not_active Expired - Lifetime
- 2004-03-08 DK DK04005425T patent/DK1574447T3/da active
- 2004-03-08 PL PL04005425T patent/PL1574447T3/pl unknown
-
2005
- 2005-03-07 WO PCT/EP2005/002382 patent/WO2005085080A2/de active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2359759A1 (fr) * | 1976-07-28 | 1978-02-24 | Bosch Gmbh Robert | Sachet d'emballage avec une languette de prehension |
DE3232321A1 (de) * | 1982-08-31 | 1984-03-01 | Bischof Und Klein Gmbh & Co, 4540 Lengerich | Trageverpackung aus flexiblem werkstoff in sack- oder beutelform |
EP0266670A2 (de) * | 1986-11-05 | 1988-05-11 | Stiegler Gmbh Maschinenfabrik | Tragetasche aus thermoplastischer Kunststoffolie |
EP1129960A1 (de) * | 2000-02-18 | 2001-09-05 | Goglio Luigi Milano S.P.A. | Flexibler Behälter mit einem gegen Einreissen verstärkten Griff |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2100721A1 (de) | 2008-03-11 | 2009-09-16 | Alcan Technology & Management Ltd. | Laminat mit einem Bereich mit verbesserter Reißfestigkeit |
WO2011127916A1 (de) * | 2010-04-16 | 2011-10-20 | Kobusch-Sengewald Gmbh | Laminat mit sollbruchstelle und verringerter risspropagation |
DE102011002315A1 (de) * | 2011-04-28 | 2012-10-31 | Nordenia Technologies Gmbh | Folienverpackung, insbesondere für Feuchttücher |
WO2023026722A1 (ja) * | 2021-08-24 | 2023-03-02 | 株式会社フジシール | パウチ容器 |
Also Published As
Publication number | Publication date |
---|---|
DE502004007219D1 (de) | 2008-07-03 |
DK1574447T3 (da) | 2008-09-15 |
DE502004009525D1 (de) | 2009-07-09 |
ATE396119T1 (de) | 2008-06-15 |
WO2005085080A2 (de) | 2005-09-15 |
EP1574447B1 (de) | 2008-05-21 |
ATE432226T1 (de) | 2009-06-15 |
EP1588953B1 (de) | 2009-05-27 |
WO2005085080A3 (de) | 2005-12-22 |
PL1574447T3 (pl) | 2008-10-31 |
EP1588953A1 (de) | 2005-10-26 |
ES2302991T3 (es) | 2008-08-01 |
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