EP0826598A2 - Detaching roller - Google Patents

Detaching roller Download PDF

Info

Publication number
EP0826598A2
EP0826598A2 EP19970118724 EP97118724A EP0826598A2 EP 0826598 A2 EP0826598 A2 EP 0826598A2 EP 19970118724 EP19970118724 EP 19970118724 EP 97118724 A EP97118724 A EP 97118724A EP 0826598 A2 EP0826598 A2 EP 0826598A2
Authority
EP
Grant status
Application
Patent type
Prior art keywords
sealing
web
container
sealing washers
closure
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.)
Withdrawn
Application number
EP19970118724
Other languages
German (de)
French (fr)
Other versions
EP0826598A3 (en )
Inventor
Horst Trombach
Heinz-Rudolf Wiening
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.)
Alfelder Kunststoffwerke Herm Meyer GmbH
Original Assignee
Alfelder Kunststoffwerke Herm Meyer 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

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B7/00Closing containers or receptacles after filling
    • B65B7/01Machines characterised by incorporation of means for making the closures before applying
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D51/00Closures not otherwise provided for
    • B65D51/18Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B65D51/20Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D53/00Sealing or packing elements; Sealings formed by liquid or plastics material
    • B65D53/04Discs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2251/00Details relating to container closures
    • B65D2251/0003Two or more closures
    • B65D2251/0006Upper closure
    • B65D2251/0015Upper closure of the 41-type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2251/00Details relating to container closures
    • B65D2251/0003Two or more closures
    • B65D2251/0068Lower closure
    • B65D2251/0093Membrane

Abstract

The method involves conveying a web (4) over a smaller diameter roller (11). A plunger (12) picks up and inserts the sealing washers (1) raised from one side of the support strip (6) into the container (3) closure pieces (14). The sealing washers are made of foam plastics coated, on the side facing the container, with a pressure-activated adhesive (5). The sealing washers have lugs (15) clamping them tightly into the closure piece (14).

Description

Die Erfindung betrifft eine Ablösevorrichtung zum Ablösen von vorgestanzten Dichtscheiben aus einer Bahn. The invention relates to a peeling apparatus for peeling pre-punched from a web sealing discs.

Es ist bekannt, Behälter aus Glas oder dergleichen mit Produkten zu füllen und anschließend dicht zu verschließen. It is known to fill containers made of glass or the like with products and then be sealed. Eine bekannte Möglichkeit ist das Verschließen solcher Behälter mit sogenannten Heißklebefolien. A known possibility is the sealing of such containers with so-called heat-sealing films. Bei solchen Heißklebefolien wird erst die Behälteröffnung mit der Heißklebefolie verschlossen und danach erst der eigentliche Verschluß aufgebracht, zB aufgeschraubt. With such heat-sealing the films of the container opening is only closed with the heat sealable film and then applied only to the actual closure, for example screwed. Oder die Dichtscheibe wird in den Verschluß eingefügt und dieser auf dem Behälter aufgebracht. Or the sealing disc is inserted into the lock and this is applied to the container. Anschließend wird die Versiegelung durch Hitze vorgenommen. Then the sealing is performed by heat. Beim Lösen des Verschlusses bleibt dann die Abdichtung durch die Heißklebefolie erhalten. Upon release of the closure then the sealing is maintained by the heat-sealing film.

Der Erfindung liegt die Aufgabe zugrunde, eine neue Ablösevorrichtung zum Ablösen von vorgestanzten Dichtscheiben aus einer Bahn zu schaffen, mittels derer ein unkompliziertes Lösen der Dichtscheiben ermöglicht wird. The object underlying the invention is to provide a new peeling apparatus for peeling pre-punched from a web sealing discs, by means of which a straightforward release of the seals is facilitated. Diese Aufgabe wird durch die in dem Anspruch 1 gekennzeichnete Erfindung abgelöst. This object is replaced by the designated in the Claim 1 invention. Weiterbildungen der Erfindung werden in den Unteransprüchen beschrieben. Further developments of the invention are described in the subclaims.

Im Prinzip wird eine Ablösevorrichtung gemäß der Erfindung mit Mitteln zum Umlenken der Bahn versehen. In principle, a detachment device according to the invention is provided with means for deflecting the web. Die mit einem Trägerband kaschierte, vorgestanzte Bahn wird in Bogen- oder Rollenform zur Ablösevorrichtung transportiert. The laminated with a carrier tape, pre-punched web is conveyed in sheet or roll form for peeling apparatus. Die Dichtscheiben werden aus der Bahn und von dem Trägerband durch Umlenken des Bandes einseitig gelöst. The sealing disks are released from the web and from the carrier tape by deflecting the strip on one side. Die steifen, sich einseitig lösenden Dichtscheiben werden anschließend von einem oder mehreren Stempeln erfaßt und eine jeweilige Dichtscheibe mit der dem auf der Bahn aufgebrachten Kleber abgewandten Seite voran in einen Verschluß auf den Verschlußboden eingesetzt. The stiff, unilaterally dissolving sealing discs are then detected by one or more punches and a respective sealing disk with the applied adhesive on the web side facing away from inserted first into a closure to said closure bottom.

Das Ablösen der Dichtscheiben aus der Bahn kann im Rahmen der Herstellung von Verschlußkappen erfolgen, wenn die Scheiben von dem oder den Stempeln direkt in die Kappen eingefügt werden. The detachment of the seals from the web may take place in the context of the manufacture of closure caps, when the discs from or inserted directly into the dies, the caps.

Bei der Ablösevorrichtung wird die Bahn bevorzugt über eine Rolle kleinen Durchmessers geleitet. In the peeling apparatus, the web is preferably passed over a pulley of small diameter. Es werden ein oder mehrere Stempel zum Erfassen und Einsetzen der sich von dem Trägerband infolge ihrer Steifheit einseitig abhebenden Dichtscheiben in die Verschlüsse für die Behälter vorgesehen. one or more punch for detecting and inserting the unilaterally contrasting from the carrier tape due to their stiffness sealing washers are provided in the closures for the containers.

Zur näheren Erläuterung der Erfindung wird im folgenden ein Ausführungsbeispiel der Erfindung anhand der Zeichnung beispielsweise beschrieben. For further explanation of the invention, an embodiment of the invention with reference to the drawing, for example, is described below.

Diese zeigt in This shows

Fig. 1 Fig. 1
den Verfahrensablauf des Ablösens einer Dichtscheibe aus einer Bahn mittels einer Ablösevorrichtung in Einfügung in einen Verfahrensablauf zum Erstellen einer Abdichtung auf einem Behälter. the procedure of peeling a sealing disk out of a web by means of a peeling apparatus in insertion in a process flow to create a seal on a container.

In Figur 1 ist in Prinzipdarstellung der Ablauf eines Verfahrens zum Ablösen einer vorgestanzten Dichtungs- oder Dichtscheibe 1 mittels einer Ablösevorrichtung 11 gezeigt. 1 shows in basic representation of the sequence of a method for detaching a pre-cut gasket or sealing disc 1 is shown by means of a detachment device. 11 Eine Bahn 4 wird zunächst mit einem Kleber 5 beschichtet. A web 4 is first coated with an adhesive. 5 Die Bahn 4 mit der Kleberschicht 5 ist in Rollenform vorgesehen. The web 4 with the adhesive layer 5 is provided in roll form. Die Bahn 4 wird auf der mit dem Kleber 5 beschichteten Seite mit einem Trägerband 6 kaschiert. The web 4 is laminated on the surface coated with the adhesive 5 side with a carrier tape. 6

Die Bahn 4 mit Kleberschicht 5 und Trägerband 6 wird durch Kalander -Rollen 7 und 8 gemeinsam zu einer Stanzvorrichtung 9 transportiert. The web 4 with an adhesive layer 5 and carrier tape 6 is conveyed through calender roles 7 and 8 in common to a blanking apparatus. 9 Die nach der Stanzung noch an der Oberfläche des Trägerbandes haftenden Dichtscheiben 1 bestehen aus dem ausgestanzten Schaumstoff 41 mit der Kleberbeschichtung 51. The still adhering after the punching on the surface of the carrier tape sealing discs 1 consisting of the punched foam 41 with the adhesive coating 51st

Die so vorgestanzte Bahn 4,5,6 wird einer Umlenkrolle 11 als Umlenkmittel der Ablösevorrichtung zugeführt, die das Transportband 6 mit der daran haftenden Bahn 4 und der Beschichtung 5 einer nicht dargestellten Aufwickeleinrichtung zuführt. The so pre-punched web is 4,5,6 a deflection roller 11 is supplied as a deflection of the release device which supplies the conveyor belt 6 with the adhering thereto path 4 and the coating 5 of a takeup device, not shown. Die Umlenkrolle 11 weist einen kleinen Durchmesser auf. The guide roller 11 has a small diameter. Wegen des kleinen Durchmessers der Umlenkrolle 11 folgen zwar die Bahn 4 und das Trägerband dem vorgeschriebenen Weg, doch heben sich die Dichtscheiben 1 wegen der Steifheit ihres Materials von der Oberfläche des Trägerbandes 4 ab und können so von einem angedeuteten Stempel 12 erfaßt und in die Öffnung 13 des Schraubverschlusses 14 für den Behälter 3 eingeführt werden. Because of the small diameter of the guide roller 11 while the web 4 and the carrier tape the prescribed path to follow, but the sealing discs 1, lift off because of the stiffness of its material from the surface of the carrier tape 4 and can as detected by an indicated punch 12 and into the opening 13 the screw cap 14 are inserted for the container. 3

Der Durchmesser der Umlenkrolle 11 wird bei der Materialwahl der Dichtscheibe vorteilhaft berücksichtigt. The diameter of the guide roller 11 is advantageously taken into account in the choice of material of the sealing disc. Die Abmessungen der Stempel 12, welche die Dichtscheiben von der Ablösevorrichtung abnehmen, sind vorteilhaft an die Flächenabmessungen der Dichtscheiben anpaßbar oder angepaßt. The dimensions of the stamp 12 which remove the sealing gaskets of the peeling apparatus are advantageously adaptable to the area dimensions of the sealing disks or adapted.

Claims (4)

  1. Ablösevorrichtung zum Ablösen von vorgestanzten Dichtscheiben aus einer Bahn, Peeling apparatus for peeling pre-punched from a web sealing disks,
    dadurch gekennzeichnet, characterized,
    daß die Ablösevorrichtung Mittel (11) zum Umlenken der Bahn (4) aufweist. that the peeling device comprises means (11) for deflecting the web (4).
  2. Ablösevorrichtung nach Anspruch 1, Peeling apparatus according to claim 1,
    dadurch gekennzeichnet, characterized,
    daß Mittel eine Rolle (11) kleinen Durchmessers ist, über die die Bahn (4) geleitet wird. that means is a roller (11) of small diameter, over which the web (4) is passed.
  3. Ablösevorrichtung nach Anspruch 1 oder 2, Peeling apparatus according to claim 1 or 2,
    dadurch gekennzeichnet, characterized,
    daß ein oder mehrere Stempel (12) zum Erfassen und Einsetzen der sich von einem auf die Bahn (4) aufkaschierten Trägerband (6) infolge ihrer Steifheit einseitig abhebenden Dichtscheiben (1) in Verschlüsse (14) für Behälter (3) vorgesehen sind. that one or more punches (12) for detecting and inserting which is laminated from one to the web (4) carrier tape (6) as a result of its rigidity on one side contrasting sealing discs (1) are provided in caps (14) for containers (3).
  4. Ablösevorrichtung nach einem der vorstehenden Ansprüche, Peeling apparatus according to any one of the preceding claims,
    dadurch gekennzeichnet, characterized,
    daß der oder die Stempel (12) die Dichtscheiben von der mit einer Kleberschicht versehenen Seite aus ergreifen. that the punch or punches (12) take the seals of the provided with an adhesive layer side.
EP19970118724 1994-05-09 1995-05-09 Detaching roller Withdrawn EP0826598A3 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE4416385 1994-05-09
DE4416385 1994-05-09
DE4417345 1994-05-18
DE19944417345 DE4417345C2 (en) 1994-05-09 1994-05-18 A method of sealing containers made of glass or the like and on the mouth of the container opening adhering sealing discs
EP19950921736 EP0706473B1 (en) 1994-05-09 1995-05-09 Process for sealing containers made of glass or the like and sealing disks which adhere to the mouth of such a container

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP19950921736 Division EP0706473B1 (en) 1994-05-09 1995-05-09 Process for sealing containers made of glass or the like and sealing disks which adhere to the mouth of such a container

Publications (2)

Publication Number Publication Date
EP0826598A2 true true EP0826598A2 (en) 1998-03-04
EP0826598A3 true EP0826598A3 (en) 1998-04-01

Family

ID=6517714

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19970118724 Withdrawn EP0826598A3 (en) 1994-05-09 1995-05-09 Detaching roller
EP19970118727 Withdrawn EP0826599A3 (en) 1994-05-09 1995-05-09 Punch

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19970118727 Withdrawn EP0826599A3 (en) 1994-05-09 1995-05-09 Punch

Country Status (2)

Country Link
EP (2) EP0826598A3 (en)
DE (1) DE4417345C2 (en)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8057896B2 (en) 2005-01-06 2011-11-15 Selig Sealing Products, Inc. Pull-tab sealing member with improved heat distribution for a container
US8201385B2 (en) 2007-08-24 2012-06-19 Selig Sealing Products, Inc. Multi-purpose covering and method of hygienically covering a container top
US8308003B2 (en) 2007-06-22 2012-11-13 Selig Sealing Products, Inc. Seal for a container
US8522990B2 (en) 2007-03-23 2013-09-03 Selig Sealing Products, Inc. Container seal with removal tab and holographic security ring seal
US8703265B2 (en) 2007-03-23 2014-04-22 Selig Sealing Products, Inc. Container seal with removal tab and piercable holographic security seal
US8715825B2 (en) 2005-01-06 2014-05-06 Selig Sealing Products, Inc. Two-piece pull-tab sealing member with improved heat distribution for a container
US8746484B2 (en) 2011-06-24 2014-06-10 Selig Sealing Products, Inc. Sealing member with removable portion for exposing and forming a dispensing feature
US8852725B2 (en) 2006-03-20 2014-10-07 Selig Sealing Products, Inc. Vessel closing laminate
US8906185B2 (en) 2006-12-20 2014-12-09 Selig Sealing Products, Inc. Laminate
US9028963B2 (en) 2012-09-05 2015-05-12 Selig Sealing Products, Inc. Tamper evident tabbed sealing member having a foamed polymer layer
US9193513B2 (en) 2012-09-05 2015-11-24 Selig Sealing Products, Inc. Tabbed inner seal
US9221579B2 (en) 2013-03-15 2015-12-29 Selig Sealing Products, Inc. Inner seal with a sub tab layer
US9440768B2 (en) 2013-03-15 2016-09-13 Selig Sealing Products, Inc. Inner seal with an overlapping partial tab layer
US9533805B2 (en) 2005-04-15 2017-01-03 Selig Sealing Products, Inc. Seal stock laminate
US9624008B2 (en) 2007-03-23 2017-04-18 Selig Sealing Products, Inc. Container seal with removal tab and security ring seal
US9834339B2 (en) 2011-03-28 2017-12-05 Selig Sealing Products, Inc. Laminate structure to stabilize a dimensionally unstable layer
US10150589B2 (en) 2017-05-18 2018-12-11 Selig Sealing Products, Inc. Inner seal with a sub tab layer

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19748842A1 (en) * 1997-11-05 1999-05-12 Alfelder Kunststoffw Meyer H A process for producing a ribbon of gasket material and such a band

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2404197A1 (en) * 1974-01-29 1975-07-31 Friedrich Albrecht Prepared lid placing system on container - uses thin lid held against container edge during securing operation
DE2850384A1 (en) * 1978-11-21 1980-05-22 Ammann Siegfried Glass container or bottle sealing process - uses hot adhesive, with cover then applied to heated container edge to produce tight seal
EP0292356A1 (en) * 1987-05-18 1988-11-23 Societe Alsacienne D'aluminium Method and machine for closing containers, such as pots and trays

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU33529A1 (en) * 1954-04-23
US5057365A (en) * 1989-07-12 1991-10-15 501 Tri-Seal International, Inc. Cap liner and process for using cap liner to seal containers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2404197A1 (en) * 1974-01-29 1975-07-31 Friedrich Albrecht Prepared lid placing system on container - uses thin lid held against container edge during securing operation
DE2850384A1 (en) * 1978-11-21 1980-05-22 Ammann Siegfried Glass container or bottle sealing process - uses hot adhesive, with cover then applied to heated container edge to produce tight seal
EP0292356A1 (en) * 1987-05-18 1988-11-23 Societe Alsacienne D'aluminium Method and machine for closing containers, such as pots and trays

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8057896B2 (en) 2005-01-06 2011-11-15 Selig Sealing Products, Inc. Pull-tab sealing member with improved heat distribution for a container
US9815589B2 (en) 2005-01-06 2017-11-14 Selig Sealing Products, Inc. Tabbed sealing member with improved heat distribution for a container
US9102438B2 (en) 2005-01-06 2015-08-11 Selig Sealing Products, Inc. Tabbed sealing member with improved heat distribution for a container
US8715825B2 (en) 2005-01-06 2014-05-06 Selig Sealing Products, Inc. Two-piece pull-tab sealing member with improved heat distribution for a container
US9533805B2 (en) 2005-04-15 2017-01-03 Selig Sealing Products, Inc. Seal stock laminate
US8852725B2 (en) 2006-03-20 2014-10-07 Selig Sealing Products, Inc. Vessel closing laminate
US10005598B2 (en) 2006-12-20 2018-06-26 Selig Sealing Products, Inc. Laminate
US8906185B2 (en) 2006-12-20 2014-12-09 Selig Sealing Products, Inc. Laminate
US8703265B2 (en) 2007-03-23 2014-04-22 Selig Sealing Products, Inc. Container seal with removal tab and piercable holographic security seal
US8522990B2 (en) 2007-03-23 2013-09-03 Selig Sealing Products, Inc. Container seal with removal tab and holographic security ring seal
US9624008B2 (en) 2007-03-23 2017-04-18 Selig Sealing Products, Inc. Container seal with removal tab and security ring seal
US8308003B2 (en) 2007-06-22 2012-11-13 Selig Sealing Products, Inc. Seal for a container
US8201385B2 (en) 2007-08-24 2012-06-19 Selig Sealing Products, Inc. Multi-purpose covering and method of hygienically covering a container top
US9278506B2 (en) 2007-08-24 2016-03-08 Selig Sealing Products, Inc. Non-metallic, tabbed multi-purpose covering for hygienically covering a container top
US9834339B2 (en) 2011-03-28 2017-12-05 Selig Sealing Products, Inc. Laminate structure to stabilize a dimensionally unstable layer
US8746484B2 (en) 2011-06-24 2014-06-10 Selig Sealing Products, Inc. Sealing member with removable portion for exposing and forming a dispensing feature
US9278793B2 (en) 2011-06-24 2016-03-08 Selig Sealing Products, Inc. Sealing member with removable portion for exposing and forming a dispensing feature
US9028963B2 (en) 2012-09-05 2015-05-12 Selig Sealing Products, Inc. Tamper evident tabbed sealing member having a foamed polymer layer
US9193513B2 (en) 2012-09-05 2015-11-24 Selig Sealing Products, Inc. Tabbed inner seal
US9440765B2 (en) 2013-03-15 2016-09-13 Selig Sealing Products, Inc. Inner seal with a sub tab layer
US9440768B2 (en) 2013-03-15 2016-09-13 Selig Sealing Products, Inc. Inner seal with an overlapping partial tab layer
US9676513B2 (en) 2013-03-15 2017-06-13 Selig Sealing Products, Inc. Inner seal with a sub tab layer
US9221579B2 (en) 2013-03-15 2015-12-29 Selig Sealing Products, Inc. Inner seal with a sub tab layer
US9994357B2 (en) 2013-03-15 2018-06-12 Selig Sealing Products, Inc. Inner seal with a sub tab layer
US10000310B2 (en) 2013-03-15 2018-06-19 Selig Sealing Products, Inc. Inner seal with an overlapping partial tab layer
US9227755B2 (en) 2013-03-15 2016-01-05 Selig Sealing Products, Inc. Inner seal with a sub tab layer
US10150589B2 (en) 2017-05-18 2018-12-11 Selig Sealing Products, Inc. Inner seal with a sub tab layer
US10150590B2 (en) 2018-03-20 2018-12-11 Selig Sealing Products, Inc. Inner seal with a sub tab layer

Also Published As

Publication number Publication date Type
EP0826599A2 (en) 1998-03-04 application
EP0826599A3 (en) 1998-04-01 application
DE4417345A1 (en) 1995-11-16 application
EP0826598A3 (en) 1998-04-01 application
DE4417345C2 (en) 1997-04-10 grant

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