GB2191130A - Method of forming tearing portion in container lid - Google Patents

Method of forming tearing portion in container lid

Info

Publication number
GB2191130A
GB2191130A GB08710475A GB8710475A GB2191130A GB 2191130 A GB2191130 A GB 2191130A GB 08710475 A GB08710475 A GB 08710475A GB 8710475 A GB8710475 A GB 8710475A GB 2191130 A GB2191130 A GB 2191130A
Authority
GB
United Kingdom
Prior art keywords
container lid
tearing
forming
lid
manufacturing
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Withdrawn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
GB08710475A
Other versions
GB8710475D0 (en
Inventor
Keiji Taniuchi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB8710475D0 publication Critical patent/GB8710475D0/en
Publication of GB2191130A publication Critical patent/GB2191130A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
    • B21D51/383—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures scoring lines, tear strips or pulling tabs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers Opened By Tearing Frangible Portions (AREA)
  • Closures For Containers (AREA)

Abstract

This invention relates to a method of forming a tearing portion in a container lid, and belongs to the technical field of manufacturing a container lid which can be opened by tearing in the can manufacturing technology. This invention enables the manufacturing of a container lid which has a harmless opening edge when it is opened by tearing and which enables saving of the power required to tear the lid open by providing the peripheral portion of an openable lid member with a tear guide lines while forming protuberances at that portion of the container lid by folding a plate material.
GB08710475A 1985-09-17 1986-09-08 Method of forming tearing portion in container lid Withdrawn GB2191130A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP20340585A JPH0683865B2 (en) 1985-09-17 1985-09-17 Method for forming cleft in container lid
PCT/JP1986/000454 WO1987001628A1 (en) 1985-09-17 1986-09-08 Method of forming tearing portion in container lid

Publications (2)

Publication Number Publication Date
GB8710475D0 GB8710475D0 (en) 1987-06-03
GB2191130A true GB2191130A (en) 1987-12-09

Family

ID=16473511

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08710475A Withdrawn GB2191130A (en) 1985-09-17 1986-09-08 Method of forming tearing portion in container lid

Country Status (4)

Country Link
JP (1) JPH0683865B2 (en)
DE (1) DE3690476T1 (en)
GB (1) GB2191130A (en)
WO (1) WO1987001628A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69621600T2 (en) * 1995-02-22 2003-02-13 Nippon Steel Corp EASY TO OPEN METAL LID AND METHOD FOR PRODUCING IT
JPH11105867A (en) * 1997-09-30 1999-04-20 Nippon Steel Corp Highly corrosion-resistant, easily openable resin-coated metal can lid requiring no repairs at obverse and reverse
US6401956B1 (en) 1999-09-21 2002-06-11 Crown Cork & Seal Technologies Corporation Safety container end having improved opening characteristics

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1468121A (en) * 1974-05-02 1977-03-23 Taniuchi K Process and apparatus for forming a tearably detachable portion on a sheet
US4109599A (en) * 1977-11-04 1978-08-29 Aluminum Company Of America Method of forming a pressure resistant end shell for a container
JPS57175034A (en) * 1981-04-17 1982-10-27 Keiji Taniuchi Forming method of tearing way opening piece of can

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JP A 47-29078 *
JP A 57-175034 *

Also Published As

Publication number Publication date
JPH0683865B2 (en) 1994-10-26
WO1987001628A1 (en) 1987-03-26
GB8710475D0 (en) 1987-06-03
JPS6264441A (en) 1987-03-23
DE3690476T1 (en) 1987-08-27

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)