CA2047173A1 - Z-tab innerseal for a container and method of application - Google Patents

Z-tab innerseal for a container and method of application

Info

Publication number
CA2047173A1
CA2047173A1 CA2047173A CA2047173A CA2047173A1 CA 2047173 A1 CA2047173 A1 CA 2047173A1 CA 2047173 A CA2047173 A CA 2047173A CA 2047173 A CA2047173 A CA 2047173A CA 2047173 A1 CA2047173 A1 CA 2047173A1
Authority
CA
Canada
Prior art keywords
innerseal
container
sealing
tab
application
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
CA2047173A
Other languages
French (fr)
Other versions
CA2047173C (en
Inventor
Hak-Rhim Han
Theresa A. Mccarthy
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.)
3M Co
Original Assignee
Hak-Rhim Han
Theresa A. Mccarthy
Minnesota Mining And Manufacturing Company
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 Hak-Rhim Han, Theresa A. Mccarthy, Minnesota Mining And Manufacturing Company filed Critical Hak-Rhim Han
Publication of CA2047173A1 publication Critical patent/CA2047173A1/en
Application granted granted Critical
Publication of CA2047173C publication Critical patent/CA2047173C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • 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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/10—Container closures formed after filling
    • B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
    • B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
    • B65D77/2028—Means for opening the cover other than, or in addition to, a pull tab
    • B65D77/2032—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container
    • B65D77/2044—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0006—Upper closure
    • B65D2251/0015—Upper closure of the 41-type
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0068—Lower closure
    • B65D2251/0093—Membrane
    • 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
    • B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
    • B65D2577/10—Container closures formed after filling
    • B65D2577/20—Container closures formed after filling by applying separate lids or covers
    • B65D2577/2041—Pull tabs
    • B65D2577/205—Pull tabs integral with the closure

Abstract

A z-tab innerseal for a container involves an innerseal having a first sealing portion for sealing a first portion of an opening defined by an upper rim of a container, a second sealing portion for sealing the remainder of the container opening and a flap portion between the first and second sealing portions which is adapted to be grasped and pulled upwardly by a user to remove the innerseal from the container opening. In this respect the innerseal material ruptures and tears along a first edge (102) and along second and third edges (98, 104) generally perpendicular to the first edge such that a portion of the innerseal will remain bonded to the rim. <IMAGE>
CA002047173A 1989-02-27 1990-01-17 Z-tab innerseal for a container and method of application Expired - Fee Related CA2047173C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US314,393 1989-02-27
US07/314,393 US4934544A (en) 1989-02-27 1989-02-27 Z-tab innerseal for a container and method of application
PCT/US1990/000341 WO1990009932A1 (en) 1989-02-27 1990-01-17 Z-tab innerseal for a container and method of application

Publications (2)

Publication Number Publication Date
CA2047173A1 true CA2047173A1 (en) 1990-08-28
CA2047173C CA2047173C (en) 2000-01-04

Family

ID=23219782

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002047173A Expired - Fee Related CA2047173C (en) 1989-02-27 1990-01-17 Z-tab innerseal for a container and method of application

Country Status (13)

Country Link
US (1) US4934544A (en)
EP (2) EP0460096B1 (en)
JP (1) JPH04503650A (en)
KR (1) KR100196813B1 (en)
AT (2) ATE140670T1 (en)
AU (1) AU639449B2 (en)
BR (1) BR9007165A (en)
CA (1) CA2047173C (en)
DE (2) DE69027924T2 (en)
DK (2) DK0680890T3 (en)
ES (2) ES2090126T3 (en)
NO (1) NO913371L (en)
WO (1) WO1990009932A1 (en)

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ATE140670T1 (en) 1996-08-15
NO913371D0 (en) 1991-08-27
ES2090126T3 (en) 1996-10-16
NO913371L (en) 1991-10-24
DE69027924T2 (en) 1997-01-30
AU639449B2 (en) 1993-07-29
JPH04503650A (en) 1992-07-02
DE69033062D1 (en) 1999-05-20
EP0460096A1 (en) 1991-12-11
BR9007165A (en) 1991-11-12
AU5267590A (en) 1990-09-26
CA2047173C (en) 2000-01-04
EP0680890A1 (en) 1995-11-08
KR920701009A (en) 1992-08-10
DK0680890T3 (en) 1999-11-01
ES2134378T3 (en) 1999-10-01
US4934544A (en) 1990-06-19
DE69033062T2 (en) 1999-10-28
KR100196813B1 (en) 1999-06-15
EP0460096B1 (en) 1996-07-24
WO1990009932A1 (en) 1990-09-07
EP0680890B1 (en) 1999-04-14
DE69027924D1 (en) 1996-08-29
ATE178862T1 (en) 1999-04-15
DK0460096T3 (en) 1996-11-18

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