EP1090849A2 - Plastic film pouch - Google Patents

Plastic film pouch Download PDF

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Publication number
EP1090849A2
EP1090849A2 EP00121094A EP00121094A EP1090849A2 EP 1090849 A2 EP1090849 A2 EP 1090849A2 EP 00121094 A EP00121094 A EP 00121094A EP 00121094 A EP00121094 A EP 00121094A EP 1090849 A2 EP1090849 A2 EP 1090849A2
Authority
EP
European Patent Office
Prior art keywords
adhesive
seam
bag according
bag
removal opening
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
EP00121094A
Other languages
German (de)
French (fr)
Other versions
EP1090849A3 (en
Inventor
Rinaldo Dr. Battegazzore
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.)
Van Leer Packaging Deutschland GmbH and Co KG
Original Assignee
Van Leer Packaging Deutschland GmbH and Co KG
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 Van Leer Packaging Deutschland GmbH and Co KG filed Critical Van Leer Packaging Deutschland GmbH and Co KG
Publication of EP1090849A2 publication Critical patent/EP1090849A2/en
Publication of EP1090849A3 publication Critical patent/EP1090849A3/en
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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/18—End- or aperture-closing arrangements or devices using adhesive applied to integral parts, e.g. to flaps
    • B65D33/20—End- or aperture-closing arrangements or devices using adhesive applied to integral parts, e.g. to flaps using pressure-sensitive adhesive
    • 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/10—Tearable part of the container

Definitions

  • the invention relates to a bag made of plastic film with a removal opening, which is relatively difficult to open and therefore sufficient for the contents Protection granted.
  • a strip of the bag usually has to be cut off, since the sealed seams can only be opened while the material is destroyed. So-called peelable sealing seams are also known which can be opened but can no longer be closed.
  • the bag is completely open in both cases and can no longer provide protection for the contents. The same also applies if a section of the folded plastic film is cut off in order to produce a removal opening.
  • the invention has for its object a bag of the type mentioned to design that it is resealable even after the first opening.
  • This additionally provided adhesive seam is when cutting or tearing the Bag is not damaged and is available for reclosing.
  • the adhesive seam is a pressure-sensitive adhesive seam that, under pressure alone, defines the two Wall sections together.
  • the application weight of the adhesive is about 1 to 20 g / m 2 .
  • the invention of the adhesive strips has a width of at least 3 mm.
  • FIG. 1 denotes a tubular bag, the jacket 2 of which along a Longitudinal seam 3 is formed into a tube.
  • the lower end of the bag is by means of a not shown, transverse sealing seam closed.
  • a transverse sealing seam 4 At the top of the bag is a transverse sealing seam 4 and at a short distance from it an adhesive seam 5 from a Pressure sensitive adhesive arranged.
  • an upper edge strip is used, which forms the transverse sealing seam 4 includes cut off and then the pressure sensitive adhesive seam 5 is drawn. After The two jacket sections can be removed again from a partial quantity of the filling material placed on top of each other and the two sides of the adhesive seam pressed together.
  • a stand-up pouch 21 is shown in FIG Cross seal 4 is closed. Below that also runs across the whole Stand-up pouch 21 an adhesive seam 5 made of pressure sensitive adhesive.
  • the entire upper strip can be cut off with the transverse sealing seam 4.
  • the adhesive seam 5 is then only in the appropriate length opened.
  • FIG. 3 shows a sealed edge bag 31, which consists of a folded Foil cut is made along a longitudinal sealing seam 3 and two Cross sealing seams 4 is closed.
  • a sealed edge bag 31 which consists of a folded Foil cut is made along a longitudinal sealing seam 3 and two Cross sealing seams 4 is closed.
  • there is a The edge section with the one transverse sealing seam has already been cut off and the bag 31 only closed with an adhesive seam 5.
  • This adhesive seam 5 can be used Removal of portions from the sealed edge bag 31 opened and again be closed.
  • the material for the bags is primarily laminates, which are used for Suitable for storing non-sterilized food. These are, for example OPP / OPP, OPP / PE, PET / PE, PET / ALU / PE, OPA / PE, PET / ALU / PP, OPP / Paper / PE, Paper / PE or similar laminates.
  • the adhesive is applied with a basis weight of 1 to 20 g / m 2 in a width of at least 3 mm.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Packages (AREA)

Abstract

The plastic bag (1) is provided with an adhesive seam (5) which is located close to the sealing seam (4) and serves for closing the bag after it has been opened by cutting away the sealing seam.

Description

Die Erfindung betrifft einen Beutel aus Kunststoff-Folie mit einer Entnahmeöffnung, die verhältnismäßig schwer zu öffnen ist und damit dem Füllgut einen ausreichenden Schutz gewährt.The invention relates to a bag made of plastic film with a removal opening, which is relatively difficult to open and therefore sufficient for the contents Protection granted.

Zum Herstellen dieser Entnahmeöffnung muß meist ein Streifen des Beutels abgeschitten werden, da sich die Siegelnähte nur unter gleichzeitiger Materialzerstörung öffnen lassen. Es sind auch sogenannte peelfähige Siegelnähte bekannt, die sich zwar öffnen aber nicht mehr verschließen lassen.
Der Beutel ist in beiden Fällen gänzlich offen und kann dem Füllgut keinen Schutz mehr gewähren.
Das gleiche gilt auch, wenn zum Herstellen einer Entnahmeöffnung ein Abschnitt der umgelegten Kunststoffolie abgeschnitten wird.To create this removal opening, a strip of the bag usually has to be cut off, since the sealed seams can only be opened while the material is destroyed. So-called peelable sealing seams are also known which can be opened but can no longer be closed.
The bag is completely open in both cases and can no longer provide protection for the contents.
The same also applies if a section of the folded plastic film is cut off in order to produce a removal opening.

Der Erfindung liegt die Aufgabe zugrunde, einen Beutel der genannten Art so auszugestalten, daß er auch nach dem ersten Öffnen wiederverschließbar ist. The invention has for its object a bag of the type mentioned to design that it is resealable even after the first opening.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß der Beutel benachbart zur Entnahmeöffnung eine Klebenaht aufweist, durch welche die Entnahmeöffnung wiederverschließbar ist.This object is achieved in that the bag adjacent to Removal opening has an adhesive seam through which the removal opening is resealable.

Diese zusätzlich vorgesehene Klebenaht wird beim Aufschneiden bzw. Aufreißen des Beutels nicht beschädigt und steht zum Wiederverschließen zur Verfügung.This additionally provided adhesive seam is when cutting or tearing the Bag is not damaged and is available for reclosing.

Als sehr vorteilhaft hat es sich dabei ergeben, wenn gemäß einer vorteilhaften Ausgestaltung der Erfindung die Klebenaht benachbart zu einer die Entnahmeöffnung verschließenden Siegelnaht angeordnet ist.It has turned out to be very advantageous if according to an advantageous Embodiment of the invention the adhesive seam adjacent to the removal opening sealing seam is arranged.

Besonders vorteilhaft ist es, wenn gemäß einer weiteren Ausgestaltung der Erfindung die Klebenaht eine Haftklebenaht ist, die allein unter Druck eine Festlegung der beiden Wandabschnitte aneinander ergibt.It is particularly advantageous if, according to a further embodiment of the invention the adhesive seam is a pressure-sensitive adhesive seam that, under pressure alone, defines the two Wall sections together.

Durch einfaches Aneinanderlegen der beiden Lagen des Beutels und geringes Gegeneinanderdrücken wird eine ausreichende Nahtfestigkeit erzielt, die ein unbeabsichtigtes Herausfallen des Füllgutes aus dem Beute! verhindert.By simply putting the two layers of the bag together and little A sufficient seam strength is achieved against each other, the one accidental dropping of the contents out of the prey! prevented.

Bei der Entnahme des Füllgutes werden außer bei pulverförmigem Gut die Klebeflächen nicht beeinträchtigt, so daß ein mehrfaches Wiederverschließen nach der Entnahme von Teilmengen möglich ist.When the filling material is removed, except for powdery material Adhesive surfaces are not affected, so that a multiple reclosure after the Partial removal is possible.

Als besonders vorteilhaft hat es sich ergeben, wenn gemäß einer Ausgestaltung der Erfindung der Kleber auf Latex-Basis hergestellt ist.It has been found to be particularly advantageous if, according to one embodiment, the Invention of the adhesive based on latex is made.

Es ist aber auch möglich, daß gemäß einer weiteren vorteilhaften Ausgestaltung der Erfindung der Kleber auf Polyacrylat-Basis hergestellt ist.But it is also possible that according to a further advantageous embodiment of the Invention of the adhesive based on polyacrylate is made.

Weiterhin ist es möglich, daß der Kleber auf Basis von synthetischem Polybutylen hergestellt ist It is also possible for the adhesive to be based on synthetic polybutylene is made

Eine weitere vorteilhafte Ausgestaltung der Erfindung liegt darin, daß das Auftragsgewicht des Klebers etwa 1 bis 20 g/m2 beträgt.Another advantageous embodiment of the invention is that the application weight of the adhesive is about 1 to 20 g / m 2 .

Als besonders günstig hat es sich erwiesen, wenn gemäß einer weiteren Ausgestaltung der Erfindung der Kleber-Streifen eine Breite von wenigstens 3 mm aufweist.It has proven to be particularly favorable if, according to a further embodiment the invention of the adhesive strips has a width of at least 3 mm.

In der Zeichnung ist die Erfindung anhand von drei Ausführungsbeispielen veranschaulicht. Dabei zeigen:

Fig.1
einen Schlauchbeutel im verschlossenen Zustand,
Fig.2
einen Standbeutel im teilweise aufgeschnittenen Zustand und
Fig.3
einen Siegelrandbeutel im wiederverschlossenen Zustand.
In the drawing, the invention is illustrated using three exemplary embodiments. Show:
Fig. 1
a tubular bag when closed,
Fig. 2
a stand-up pouch in a partially cut state and
Fig. 3
a sealed edge bag in the reclosed state.

Mit 1 ist in Fig.1 ein Schlauchbeutel bezeichnet, dessen Mantel 2 entlang einer Längsnaht 3 zu einem Schlauch geformt ist. Das untere Beutelende ist mittels einer nicht dargestellten, quer verlaufenden Siegelnaht verschlossen. Am oberen Beutelende ist eine Quersiegelnaht 4 und in geringem Abstand davon eine Klebenaht 5 aus einem Haftkleber angeordnet.1 in FIG. 1 denotes a tubular bag, the jacket 2 of which along a Longitudinal seam 3 is formed into a tube. The lower end of the bag is by means of a not shown, transverse sealing seam closed. At the top of the bag is a transverse sealing seam 4 and at a short distance from it an adhesive seam 5 from a Pressure sensitive adhesive arranged.

Zum Öffnen des Beutels 1 wird ein oberer Randstreifen, der die Quersiegelnaht 4 einschließt abgeschnitten und dann die Haftkleber-Naht 5 aufgezogen. Nach der Entnahme einer Teilmenge des Füllgutes können die beiden Mantelabschnitte wieder aufeinander gelegt und die beiden Seiten der Klebenaht zusammengedrückt werden.To open the bag 1, an upper edge strip is used, which forms the transverse sealing seam 4 includes cut off and then the pressure sensitive adhesive seam 5 is drawn. After The two jacket sections can be removed again from a partial quantity of the filling material placed on top of each other and the two sides of the adhesive seam pressed together.

Zur Entnahme einer weiteren Teilmenge braucht dann nur die Klebenaht 5 wieder aufgezogen zu werden. Then only the adhesive seam 5 needs again to remove a further subset to be raised.

In Fig.2 ist ein Standbeutel 21 dargestellt, der an seinem oberen Ende mittels einer Quersiegelnaht 4 verschlossen ist. Darunter verläuft ebenfalls quer über den gesamten Standbeutel 21 eine Klebenaht 5 aus Haftkleber.A stand-up pouch 21 is shown in FIG Cross seal 4 is closed. Below that also runs across the whole Stand-up pouch 21 an adhesive seam 5 made of pressure sensitive adhesive.

Zum Öffnen des Standbeutels kann wie beim vorhergehenden Ausführungsbeispiel der gesamte obere Streifen mit der Quersiegelnaht 4 abgeschnitten werden. Es ist jedoch auch möglich, nur einen Teil dieses Streifens abzuschneiden, wie dies in Fig.2 dargestellt ist. Zur Entnahme des Füllgutes wird dann auch die Klebenaht 5 nur in der entsprechenden Länge geöffnet.To open the stand-up pouch, as in the previous embodiment the entire upper strip can be cut off with the transverse sealing seam 4. However, it is also possible to cut only a part of this strip, as shown in Fig.2 is shown. To remove the filling material, the adhesive seam 5 is then only in the appropriate length opened.

Die Fig.3 zeigt einen Siegelrandbeutel 31, der aus einem zusammengefalteten Folienzuschnitt besteht, der entlang einer Längs-Siegelnaht 3 und zwei Quersiegelnähten 4 verschlossen ist. Im dargestellten Ausführungsbeispiel ist ein Randabschnitt mit der einen Quersiegelnaht bereits abgeschnitten und der Beutel 31 nur noch mittels einer Klebenaht 5 verschlossen. Diese Klebenaht 5 kann zur Entnahme von Teilmengen aus dem Siegelrandbeutel 31 geöffnet und wieder verschlossen werden.3 shows a sealed edge bag 31, which consists of a folded Foil cut is made along a longitudinal sealing seam 3 and two Cross sealing seams 4 is closed. In the illustrated embodiment there is a The edge section with the one transverse sealing seam has already been cut off and the bag 31 only closed with an adhesive seam 5. This adhesive seam 5 can be used Removal of portions from the sealed edge bag 31 opened and again be closed.

Zur Bildung einer Entnahmeöffnung ist es jedoch auch möglich, den zusammengefalteten Randabschnitt abzuschneiden, wobei die Klebenaht dann im Bereich dieses Randabschnittes vorgesehen wird.However, it is also possible to form a removal opening cut folded edge section, the adhesive seam then in Area of this edge section is provided.

Als Material für die Beutel sind in erster Linie Laminate vorgesehen, die sich zum Aufbewahren von nicht sterilisierten Lebensmitteln eignen. Dies sind beispielsweise OPP/OPP, OPP/PE, PET/PE, PET/ALU/PE, OPA/PE, PET/ALU/PP, OPP/Papier/PE, Papier/PE oder ähnliche Laminate.The material for the bags is primarily laminates, which are used for Suitable for storing non-sterilized food. These are, for example OPP / OPP, OPP / PE, PET / PE, PET / ALU / PE, OPA / PE, PET / ALU / PP, OPP / Paper / PE, Paper / PE or similar laminates.

Diese Laminate müssen nur zum Herstellen von Siegelnähten geeignet sein und dem Haftkleber eine genügende Haftung vermitteln. Der Kleber wird mit einem Flächengwicht von 1 bis 20 g/m2 in einer Breite von wenigstens 3 mm aufgetragen.These laminates only have to be suitable for producing sealed seams and impart sufficient adhesion to the pressure sensitive adhesive. The adhesive is applied with a basis weight of 1 to 20 g / m 2 in a width of at least 3 mm.

Claims (8)

Beutel(1,21,31) aus Kunststoff-Folie mit einer Entnahmeöffnung, die verhältnismäßig schwer zu öffnen ist und damit dem Füllgut einen ausreichenden Schutz gewährt, dadurch gekennzeichnet, daß der Beutel(1,21,31) benachbart zur Entnahmeöffnung eine Klebenaht(5) aufweist, durch welche die Entnahmeöffnung wiederverschließbar ist.Bags (1, 21, 31) made of plastic film with a removal opening that is relatively difficult to open and thus provides sufficient protection for the contents, characterized in that the bag (1, 21, 31) has an adhesive seam adjacent to the removal opening ( 5), through which the removal opening can be closed again. Beutel nach Anspruch 1, dadurch gekennzeichnet, daß die Klebenaht(5) benachbart zu einer die Entnahmeöffnung verschließenden Siegelnaht angeordnet ist.A bag according to claim 1, characterized in that the adhesive seam (5) is arranged adjacent to a sealing seam closing the removal opening. Beutel nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Klebenaht(5) eine Haftklebenaht ist, die allein unter Druck eine Festlegung der beiden Wandabschnitte aneinander ergibt.A bag according to claim 1 or 2, characterized in that the adhesive seam (5) is a pressure-sensitive adhesive seam which, under pressure alone, results in the two wall sections being fixed to one another. Beutel nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß der Kleber auf Latex-Basis hergestellt ist. A bag according to claim 1, 2 or 3, characterized in that the latex-based adhesive is produced. Beutel nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß der Kleber auf Polyacrylat-Basis hergestellt ist.Bag according to claim 1, 2 or 3, characterized in that the adhesive is made on the basis of polyacrylate. Beutel nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß der Kleber auf Basis von synthetischem Polybutylen hergestellt ist.Bag according to claim 1, 2 or 3, characterized in that the adhesive is made on the basis of synthetic polybutylene. Beutel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Auftragsgewicht des Klebers etwa 1 bis 20 g/m2 beträgt.Bag according to one of the preceding claims, characterized in that the application weight of the adhesive is approximately 1 to 20 g / m 2 . Beutel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Haftkleber-Streifen(5) eine Breite von wenigstens 3 mm aufweist.Bag according to one of the preceding claims, characterized in that the pressure-sensitive adhesive strip (5) has a width of at least 3 mm.
EP00121094A 1999-10-06 2000-09-28 Plastic film pouch Ceased EP1090849A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19948191 1999-10-06
DE19948191A DE19948191A1 (en) 1999-10-06 1999-10-06 Plastic foil pouch

Publications (2)

Publication Number Publication Date
EP1090849A2 true EP1090849A2 (en) 2001-04-11
EP1090849A3 EP1090849A3 (en) 2002-05-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP00121094A Ceased EP1090849A3 (en) 1999-10-06 2000-09-28 Plastic film pouch

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EP (1) EP1090849A3 (en)
DE (1) DE19948191A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1526081A1 (en) * 2003-10-24 2005-04-27 LEMO Maschinenbau GmbH Bag with adhesive tape
WO2005047135A1 (en) * 2003-11-07 2005-05-26 Henkel Kommanditgesellschaft Auf Aktien Packaging for free-flowing products, consisting of a heat-sealed bag

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10214200C1 (en) * 2002-03-28 2003-11-20 Siemens Ag Instrument cluster and arrangement with an instrument cluster

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH386919A (en) * 1961-02-07 1965-01-15 Hedwig Looser Anna Hermetic closure on flexible containers
US4415087A (en) * 1981-12-30 1983-11-15 Mobil Oil Corporation Laminated pressure sensitive adhesive strip for use in plastic bags
CA1265104A (en) * 1985-09-04 1990-01-30 Donald E. Beckett Resealable tamper-evident package
US5007744A (en) * 1989-12-21 1991-04-16 Sharp Packaging, Inc. Strips of interconnected pre-opened reclosable bags

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1112446B (en) * 1957-08-08 1961-08-03 Werner & Mertz Gmbh Inner, secondary closure of a flexible plastic packaging for packing and removing any quantity of liquid or pasty filling goods
JPH0272054A (en) * 1988-08-29 1990-03-12 Coast Converters Inc Packaging vessel and manufacture thereof
JP3624293B2 (en) * 1993-11-25 2005-03-02 リードケミカル株式会社 Repeatable sealable packaging bag

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH386919A (en) * 1961-02-07 1965-01-15 Hedwig Looser Anna Hermetic closure on flexible containers
US4415087A (en) * 1981-12-30 1983-11-15 Mobil Oil Corporation Laminated pressure sensitive adhesive strip for use in plastic bags
CA1265104A (en) * 1985-09-04 1990-01-30 Donald E. Beckett Resealable tamper-evident package
US5007744A (en) * 1989-12-21 1991-04-16 Sharp Packaging, Inc. Strips of interconnected pre-opened reclosable bags

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 09, 31. Oktober 1995 (1995-10-31) & JP 07 149355 A (RIIDE CHEM KK), 13. Juni 1995 (1995-06-13) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 17, 5. Juni 2001 (2001-06-05) & JP 02 072054 A (COAST CONVERTERS INC), 12. März 1990 (1990-03-12) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1526081A1 (en) * 2003-10-24 2005-04-27 LEMO Maschinenbau GmbH Bag with adhesive tape
WO2005047135A1 (en) * 2003-11-07 2005-05-26 Henkel Kommanditgesellschaft Auf Aktien Packaging for free-flowing products, consisting of a heat-sealed bag

Also Published As

Publication number Publication date
EP1090849A3 (en) 2002-05-15
DE19948191A1 (en) 2001-04-12

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