EP0955243A2 - Plastic foil with a non-stick coating - Google Patents

Plastic foil with a non-stick coating Download PDF

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Publication number
EP0955243A2
EP0955243A2 EP99101940A EP99101940A EP0955243A2 EP 0955243 A2 EP0955243 A2 EP 0955243A2 EP 99101940 A EP99101940 A EP 99101940A EP 99101940 A EP99101940 A EP 99101940A EP 0955243 A2 EP0955243 A2 EP 0955243A2
Authority
EP
European Patent Office
Prior art keywords
stick coating
film
plastic film
partial areas
coating
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
Application number
EP99101940A
Other languages
German (de)
French (fr)
Other versions
EP0955243B2 (en
EP0955243B1 (en
EP0955243A3 (en
Inventor
Josef Müller
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.)
Huhtamaki Forchheim Zweigniederlassung der Hutamaki Flexible Packaging Germany GmbH and Co KG
Original Assignee
4P Folie Forchheim GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7866881&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0955243(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 4P Folie Forchheim GmbH filed Critical 4P Folie Forchheim GmbH
Publication of EP0955243A2 publication Critical patent/EP0955243A2/en
Publication of EP0955243A3 publication Critical patent/EP0955243A3/en
Application granted granted Critical
Publication of EP0955243B1 publication Critical patent/EP0955243B1/en
Publication of EP0955243B2 publication Critical patent/EP0955243B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/42—Applications of coated or impregnated materials
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/04—Articles or materials wholly enclosed in single sheets or wrapper blanks
    • B65D75/20—Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks doubled around contents and having their opposed free margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding

Definitions

  • the invention relates to a plastic film with a non-stick coating, in particular silicone, for producing wrapping with embossed edge sealing strips.
  • Plastic films of this type are known, but they all have the disadvantage that embossed sealing strips can be produced only with great difficulty and only with special processes, usually a complex needle process.
  • the invention has for its object to propose a plastic film for wrapping packaging, which can be stamped safely and easily using standardized methods.
  • markings for controlling the coating with anti-adhesive are attached to the film at defined intervals.
  • a further advantageous embodiment also lies in the fact that at least two non-adhesive coating-free partial areas of the film are connected to one another.
  • connection of the partial areas is designed as a so-called curvature, in which a large number of line-shaped individual stampings are provided.
  • connection of the partial areas is designed as a seal.
  • FIG. 1 in FIG. 1 denotes a film web which has a non-stick coating made of silicone in partial areas 2. Further sub-areas 3, which lie between the sub-areas 2, are omitted from this siliconization. To apply the siliconization in the first partial areas 2 to the film web 1, control marks 4 are provided on the film web 1 for control and positioning.
  • the film web 1 is cut along lines 5.
  • the resulting sections 6 are then wrapped around an object 11 to be packed and the overlapping layers of the sections 6 are crimped together in the area of the recesses 3.
  • This curvature 12 consists of individual line-shaped embossments, which capture both layers and thus connect them to one another.

Abstract

Pressed regions (3) of the sheet (1) are left clear of the anti-adherent silicone coating.

Description

Die Erfindung bezieht sich auf eine Kunststoffolie mit einer Antihaftbeschichtung, insbesondere Silikon, zum Herstellen einer Einschlagverpackung mit geprägten Rand-Verschluß-Streifen.The invention relates to a plastic film with a non-stick coating, in particular silicone, for producing wrapping with embossed edge sealing strips.

Es sind derartige Kunststoffolien bekannt, die jedoch alle den Nachteil aufweisen, daß geprägte Verschlußstreifen nur sehr schwer und nur mit speziellen Verfahren, meist ein aufwendiges Nadelverfahren, hergestellt werden können.Plastic films of this type are known, but they all have the disadvantage that embossed sealing strips can be produced only with great difficulty and only with special processes, usually a complex needle process.

Der Erfindung liegt die Aufgabe zugrunde, eine Kunststoffolie für Einschlagverpackungen vorzuschlagen, welche mit standardisierten Verfahren sicher und leicht geprägt werden kann.The invention has for its object to propose a plastic film for wrapping packaging, which can be stamped safely and easily using standardized methods.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß Teilbereiche der Folie, in welchen die Prägung vorgesehen ist, von der Antihaftbeschichtung ausgespart sind.This object is achieved in that partial areas of the film in which the embossing is provided are left out of the non-stick coating.

Dadurch ist es möglich, in demjenigen Bereich, der keine Antihaftbeschichtung aufweist, einen geprägten Verschluß-Streifen anzubringen.This makes it possible to apply an embossed sealing strip in the area that has no non-stick coating.

Es hat sich dabei als vorteilhaft erwiesen, wenn die Aussparungen von der Antihaftbeschichtung im wesentlichen quer zur Transportrichtung der Folie angeordnet sind.It has proven to be advantageous if the recesses of the non-stick coating are arranged essentially transversely to the transport direction of the film.

Hiermit können auf einfache Weise fortlaufend Folienabschnitte für Einschlagverpackungen produziert werden.In this way, film sections for wrapping packaging can be continuously produced in a simple manner.

Vorteilhaft ist es auch, wenn in definierten Abständen Markierungen zur Steuerung der Beschichtung mit Antihaftmittel an der Folie angebracht sind.It is also advantageous if markings for controlling the coating with anti-adhesive are attached to the film at defined intervals.

Damit ist es möglich, eine sehr genaue Steuerung der antihaftbeschichten und unbeschichteten Flächen der Folie zu verwirklichen.This makes it possible to achieve very precise control of the non-stick and uncoated areas of the film.

Eine weitere vorteilhafte Ausgestaltung liegt auch darin, wenn wenigstens zwei antihaftbeschichtungsfreie Teilbereiche der Folie miteinander verbunden sind.A further advantageous embodiment also lies in the fact that at least two non-adhesive coating-free partial areas of the film are connected to one another.

Hierdurch ist ein nochmals verbessertes Verschließen der Einschlagverpackung gewährleistet.This ensures a further improved closing of the wrapping packaging.

Vorteilhaft ist es auch, wenn die Verbindung der Teilbereiche als sogenannte Verkrümperung ausgeführt ist, in welcher eine Vielzahl strichförmiger Einzelprägungen vorgesehen sind.It is also advantageous if the connection of the partial areas is designed as a so-called curvature, in which a large number of line-shaped individual stampings are provided.

Dadurch wird ein sicheres Zusammenhalten der miteinander verbundenen Teilbereiche gewährleistet.This ensures that the sub-areas connected to one another are held together securely.

Weiterhin ist es vorteilhaft, wenn die Verbindung der Teilbereiche als Versiegelung ausgeführt ist.It is also advantageous if the connection of the partial areas is designed as a seal.

Bei siegelbaren Folien ist hiermit eine sichere Verbindung der Teilbereiche untereinander herstellbar.In the case of sealable foils, a secure connection of the partial areas to one another can hereby be established.

In der Zeichnung ist die Erfindung anhand eines Ausführungsbeispiels veranschaulicht. Dabei zeigen:

Fig.1
eine Folienbahn zum Herstellen einer Einschlagverpackung und
Fig.2
eine aus einem Folienabschnitt hergestellte Einschlagverpackung
The invention is illustrated in the drawing using an exemplary embodiment. Show:
Fig. 1
a film web for producing wrapping and
Fig. 2
a wrapping package made from a film section

Mit 1 ist in Fig.1 eine Folienbahn bezeichnet, die in Teilbereichen 2 eine Antihaftbeschichtung aus Silikon aufweist. Weitere Teilbereiche 3, die zwischen den Teilbereichen 2 liegen, sind von dieser Silikonisierung ausgespart. Zum Aufbringen der Silikonisierung in den ersten Teilbereichen 2 auf die Folienbahn 1 sind zur Steuerung und Positionierung sind Tastmarken 4 auf der Folienbahn 1 vorgesehen.1 in FIG. 1 denotes a film web which has a non-stick coating made of silicone in partial areas 2. Further sub-areas 3, which lie between the sub-areas 2, are omitted from this siliconization. To apply the siliconization in the first partial areas 2 to the film web 1, control marks 4 are provided on the film web 1 for control and positioning.

Zur Bildung einer Einschlagverpackung 10 wird die Folienbahn 1 entlang von Linien 5 zerschnitten. Die sich dabei ergebenden Abschnitte 6 werden dann um einen zu verpackenden Gegenstand 11 gewickelt und mi Bereich der Aussparungen 3 die sich überdeckenden Lagen der Abschnitte 6 miteinander verkrümpert.To form a wrapping package 10, the film web 1 is cut along lines 5. The resulting sections 6 are then wrapped around an object 11 to be packed and the overlapping layers of the sections 6 are crimped together in the area of the recesses 3.

Diese Verkrümperung 12 besteht aus einzelnen strichförmigen Prägungen, welche beide Lagen erfassen und so miteinander verbinden.This curvature 12 consists of individual line-shaped embossments, which capture both layers and thus connect them to one another.

Claims (6)

Kunststoffolie(1) mit einer Antihaftbeschichtung(2), insbesondere Silikon, zum Herstellen einer Einschlagverpackung(10) mit geprägten Rand-Verschluß-Streifen(12), dadurch gekennzeichnet, daß Teilbereiche(3) der Folie(1), in welchen die Prägung(12) vorgesehen ist, von der Antihaftbeschichtung ausgespart sind.Plastic film (1) with a non-stick coating (2), in particular silicone, for producing a wrapping package (10) with embossed edge sealing strips (12), characterized in that partial areas (3) of the film (1) in which the embossing (12) is provided, are excluded from the non-stick coating. Kunststoffolie nach Anspruch 1, dadurch gekennzeichnet, daß die Aussparungen(3) von der Antihaftbeschichtung im wesentlichen quer zur Transportrichtung der Folie angeordnet sind.Plastic film according to claim 1, characterized in that the recesses (3) of the non-stick coating are arranged essentially transversely to the transport direction of the film. Kunststoffolie nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß in definierten Abständen Markierungen(4) zur Steuerung der Beschichtung mit Antihaftmittel an der Folie(1) angebracht sind.Plastic film according to claim 1 or 2, characterized in that markings (4) for controlling the coating with anti-adhesive are attached to the film (1) at defined intervals. Kunststoffolie nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß wenigstens zwei antihaftbeschichtungsfreie Teilbereiche(3) der Folie(1) miteinander verbunden sind.Plastic film according to one of the preceding claims, characterized in that at least two non-stick coating-free partial areas (3) of the film (1) are connected to one another. Kunststoffolie nach Anspruch 4, dadurch gekennzeichnet, daß die Verbindung der Teilbereiche(3) als sogenannte Verkrümperung(12) ausgeführt ist, in welcher eine Vielzahl strichförmiger Einzelprägungen vorgesehen sind.Plastic film according to claim 4, characterized in that the connection of the partial areas (3) is designed as a so-called curvature (12) in which a multiplicity of line-shaped individual embossments are provided. Kunststoffolie insbesondere nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Verbindung der Teilbereiche(3) als Versiegelung ausgeführt ist.Plastic film in particular according to one of the preceding claims, characterized in that the connection of the partial areas (3) is designed as a seal.
EP99101940A 1998-05-07 1999-01-29 Method for producing a plastic foil with a non-stick coating and a package Expired - Lifetime EP0955243B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19820274A DE19820274A1 (en) 1998-05-07 1998-05-07 Plastic film with a non-stick coating
DE19820274 1998-05-07

Publications (4)

Publication Number Publication Date
EP0955243A2 true EP0955243A2 (en) 1999-11-10
EP0955243A3 EP0955243A3 (en) 2000-10-11
EP0955243B1 EP0955243B1 (en) 2008-08-27
EP0955243B2 EP0955243B2 (en) 2011-03-02

Family

ID=7866881

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99101940A Expired - Lifetime EP0955243B2 (en) 1998-05-07 1999-01-29 Method for producing a plastic foil with a non-stick coating and a package

Country Status (4)

Country Link
EP (1) EP0955243B2 (en)
AT (1) ATE406321T1 (en)
DE (2) DE19820274A1 (en)
ES (1) ES2313759T5 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1429706A1 (en) * 2001-09-29 2004-06-23 Hanjin Printing & Chemical Co., Ltd. Individual packing sheet and packing bag for disposable sanitary napkin
US9834355B2 (en) 2014-06-13 2017-12-05 Sca Hygiene Products Ab Packaging unit having improved sealing, and a method for forming such a packaging unit
US9943448B2 (en) 2014-06-13 2018-04-17 Sca Hygiene Products Ab Method for forming a wrapping sheet having improved sealing
US10017309B2 (en) 2014-06-13 2018-07-10 Sca Hygiene Products Ab Packaging unit for hygiene articles and a method of forming a packaging unit
US10086989B2 (en) 2014-06-13 2018-10-02 Sca Hygiene Products Ab Packaging unit for hygiene articles and a method of forming a packaging unit
US10285877B2 (en) 2014-06-13 2019-05-14 Essity Hygiene And Health Aktiebolag Ab Packaging unit having improved sealing and a user prompting device, and a method for forming such a packaging unit
WO2021076201A1 (en) * 2019-10-16 2021-04-22 Sonoco Development, Inc. Flexible packaging with internal release

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19952569B4 (en) * 1999-11-02 2005-07-14 4P Folie Forchheim Gmbh Web-shaped packaging material
DE10007942A1 (en) 2000-02-22 2001-09-06 Lohmann Therapie Syst Lts Packaging for plasters containing active ingredients
DE202004003344U1 (en) * 2004-03-04 2005-07-14 Cofresco Frischhalteprodukte Gmbh & Co. Kg Plastic film for packaging foods, making bags or the like has a non-stick coating on at least one side
DE102006060452A1 (en) * 2006-12-19 2008-06-26 Tesseraux Spezialverpackungen Gmbh Composite film packaging for food and some cleaning agents comprises a multi-layered composite film having a surface consisting of a carrier film and a further layer having anti-adhesion properties
DE102018101331A1 (en) 2018-01-22 2019-07-25 Infiana Germany Gmbh & Co. Kg Printed and coated release film

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2781159A (en) * 1953-05-27 1957-02-12 Gerlach Elizabeth Jane Moisture impervious container
US5033250A (en) * 1990-08-10 1991-07-23 Package Machinery Company Gum stick wrapping machine
US5181610A (en) * 1992-05-15 1993-01-26 International Paper Company Flexible container with nonstick interior
US5333439A (en) * 1992-09-22 1994-08-02 Croda Apex Adhesives, Inc. Hot-melt pressure sensitive adhesive packaging, preform, and method
US5474818A (en) † 1992-05-15 1995-12-12 International Paper Flexible container with nonstick interior
JPH10215A (en) † 1996-06-17 1998-01-06 Toa Kiko Kk Manufacturing equipment for sanitary napkin and silicon applicator used therein

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2781159A (en) * 1953-05-27 1957-02-12 Gerlach Elizabeth Jane Moisture impervious container
US5033250A (en) * 1990-08-10 1991-07-23 Package Machinery Company Gum stick wrapping machine
US5181610A (en) * 1992-05-15 1993-01-26 International Paper Company Flexible container with nonstick interior
US5474818A (en) † 1992-05-15 1995-12-12 International Paper Flexible container with nonstick interior
US5333439A (en) * 1992-09-22 1994-08-02 Croda Apex Adhesives, Inc. Hot-melt pressure sensitive adhesive packaging, preform, and method
JPH10215A (en) † 1996-06-17 1998-01-06 Toa Kiko Kk Manufacturing equipment for sanitary napkin and silicon applicator used therein

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1429706A1 (en) * 2001-09-29 2004-06-23 Hanjin Printing & Chemical Co., Ltd. Individual packing sheet and packing bag for disposable sanitary napkin
EP1429706A4 (en) * 2001-09-29 2006-09-06 Hanjin Printing & Chemical Co Individual packing sheet and packing bag for disposable sanitary napkin
US9834355B2 (en) 2014-06-13 2017-12-05 Sca Hygiene Products Ab Packaging unit having improved sealing, and a method for forming such a packaging unit
US9943448B2 (en) 2014-06-13 2018-04-17 Sca Hygiene Products Ab Method for forming a wrapping sheet having improved sealing
US10017309B2 (en) 2014-06-13 2018-07-10 Sca Hygiene Products Ab Packaging unit for hygiene articles and a method of forming a packaging unit
US10086989B2 (en) 2014-06-13 2018-10-02 Sca Hygiene Products Ab Packaging unit for hygiene articles and a method of forming a packaging unit
US10285877B2 (en) 2014-06-13 2019-05-14 Essity Hygiene And Health Aktiebolag Ab Packaging unit having improved sealing and a user prompting device, and a method for forming such a packaging unit
WO2021076201A1 (en) * 2019-10-16 2021-04-22 Sonoco Development, Inc. Flexible packaging with internal release
US11021300B2 (en) 2019-10-16 2021-06-01 Sonoco Development, Inc. Flexible packaging with internal release
US11383888B2 (en) 2019-10-16 2022-07-12 Sonoco Development, Inc. Flexible packaging with internal release

Also Published As

Publication number Publication date
ES2313759T3 (en) 2009-03-01
EP0955243B2 (en) 2011-03-02
EP0955243B1 (en) 2008-08-27
ES2313759T5 (en) 2011-06-15
DE19820274A1 (en) 1999-11-11
ATE406321T1 (en) 2008-09-15
DE59914851D1 (en) 2008-10-09
EP0955243A3 (en) 2000-10-11

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