EP0127837A3 - Method and arrangement for the production of scoring lines in sheet metal, particularly for the production of tear-off tops of cans or the like containers - Google Patents

Method and arrangement for the production of scoring lines in sheet metal, particularly for the production of tear-off tops of cans or the like containers Download PDF

Info

Publication number
EP0127837A3
EP0127837A3 EP84105832A EP84105832A EP0127837A3 EP 0127837 A3 EP0127837 A3 EP 0127837A3 EP 84105832 A EP84105832 A EP 84105832A EP 84105832 A EP84105832 A EP 84105832A EP 0127837 A3 EP0127837 A3 EP 0127837A3
Authority
EP
European Patent Office
Prior art keywords
score line
tear
production
cans
support
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
EP84105832A
Other languages
German (de)
Other versions
EP0127837B1 (en
EP0127837A2 (en
Inventor
Hans-Joachim Pfortner
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.)
Ardagh Metal Packaging Germany GmbH
Original Assignee
Schmalback Lubeca AG
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 Schmalback Lubeca AG filed Critical Schmalback Lubeca AG
Priority to AT84105832T priority Critical patent/ATE31258T1/en
Publication of EP0127837A2 publication Critical patent/EP0127837A2/en
Publication of EP0127837A3 publication Critical patent/EP0127837A3/en
Application granted granted Critical
Publication of EP0127837B1 publication Critical patent/EP0127837B1/en
Expired 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)
  • Laminated Bodies (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Wrappers (AREA)
  • Containers Opened By Tearing Frangible Portions (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Making Paper Articles (AREA)
  • Removal Of Water From Condensation And Defrosting (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

1. Process for producing tear-open lines in metal sheets (1), in particular for the manufacture of tear-open ends for cans or similar containers, for which the metal sheet (1) is placed on an anvil-like support (3) and a score line is produced by impressing the stamping or scoring edges (5) of a stamping die (2), the shape of which corresponds to that of the tear-open line, to a pre-determined penetration depth, characterized by the support (3) and the stamping die (2) being each formed of individual segments and composed such that score line portions, which are inclined against each other at an acute angle, are consecutively impressed using one individual segment each of the support (3) and the stamping die (2) jointly, with a first portion of the score line being produced first and a further portion of the score line being produced next in a position relative to the first score line portion such that the two score line portions intersect at the vertex of the angle formed between them.
EP84105832A 1983-06-01 1984-05-22 Method and arrangement for the production of scoring lines in sheet metal, particularly for the production of tear-off tops of cans or the like containers Expired EP0127837B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84105832T ATE31258T1 (en) 1983-06-01 1984-05-22 METHOD AND ARRANGEMENT FOR MAKING TEAR LINES IN METAL SHEET, IN PARTICULAR FOR MAKING TEAR LID FOR CANS OR THE LIKE. CONTAINER.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833319949 DE3319949A1 (en) 1983-06-01 1983-06-01 METHOD AND ARRANGEMENT FOR THE PRODUCTION OF TEARING LINES IN METAL SHEETS, IN PART. FOR THE PRODUCTION OF Tear-off Lids FOR CAN OR THE LIKE CONTAINER
DE3319949 1983-06-01

Publications (3)

Publication Number Publication Date
EP0127837A2 EP0127837A2 (en) 1984-12-12
EP0127837A3 true EP0127837A3 (en) 1985-05-29
EP0127837B1 EP0127837B1 (en) 1987-12-09

Family

ID=6200482

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84105832A Expired EP0127837B1 (en) 1983-06-01 1984-05-22 Method and arrangement for the production of scoring lines in sheet metal, particularly for the production of tear-off tops of cans or the like containers

Country Status (6)

Country Link
EP (1) EP0127837B1 (en)
AT (1) ATE31258T1 (en)
DE (2) DE3319949A1 (en)
DK (1) DK270484A (en)
ES (1) ES291996Y (en)
NO (1) NO159705C (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3227304A (en) * 1964-09-08 1966-01-04 Charles T Ashury Can opening arrangement
US3355058A (en) * 1965-12-06 1967-11-28 Charles T Asbury Push-in can lid
US3359773A (en) * 1964-03-03 1967-12-26 Metal Box Co Ltd Scoring of thin sheet metal
DE2051697A1 (en) * 1969-10-23 1971-05-06 Aluminum Co of America, Pittsburgh, Pa (V St A) Method and apparatus for notching metal container ends
DE2406306A1 (en) * 1973-06-18 1975-01-09 Continental Can Co SHEET METAL PART PRE-WEIGHTED BY A NOTCH LINE, IN PARTICULAR Tear-off Lids
DE2005568B2 (en) * 1970-02-06 1976-07-22 Rasselstein Ag, 5450 Neuwied TOOL FOR THE PRODUCTION OF EMBOSSED NOTCHES

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3359773A (en) * 1964-03-03 1967-12-26 Metal Box Co Ltd Scoring of thin sheet metal
US3227304A (en) * 1964-09-08 1966-01-04 Charles T Ashury Can opening arrangement
US3355058A (en) * 1965-12-06 1967-11-28 Charles T Asbury Push-in can lid
DE2051697A1 (en) * 1969-10-23 1971-05-06 Aluminum Co of America, Pittsburgh, Pa (V St A) Method and apparatus for notching metal container ends
DE2005568B2 (en) * 1970-02-06 1976-07-22 Rasselstein Ag, 5450 Neuwied TOOL FOR THE PRODUCTION OF EMBOSSED NOTCHES
DE2406306A1 (en) * 1973-06-18 1975-01-09 Continental Can Co SHEET METAL PART PRE-WEIGHTED BY A NOTCH LINE, IN PARTICULAR Tear-off Lids

Also Published As

Publication number Publication date
DE3467982D1 (en) 1988-01-21
EP0127837B1 (en) 1987-12-09
ES291996U (en) 1987-11-01
NO159705B (en) 1988-10-24
DK270484D0 (en) 1984-05-30
NO842161L (en) 1984-12-03
NO159705C (en) 1989-02-01
ATE31258T1 (en) 1987-12-15
DK270484A (en) 1984-12-02
ES291996Y (en) 1988-05-16
DE3319949A1 (en) 1984-12-06
EP0127837A2 (en) 1984-12-12

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