GB1472102A - Scoring metal sheet - Google Patents

Scoring metal sheet

Info

Publication number
GB1472102A
GB1472102A GB2646974A GB2646974A GB1472102A GB 1472102 A GB1472102 A GB 1472102A GB 2646974 A GB2646974 A GB 2646974A GB 2646974 A GB2646974 A GB 2646974A GB 1472102 A GB1472102 A GB 1472102A
Authority
GB
United Kingdom
Prior art keywords
metal sheet
scoring
june
degrees
side walls
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.)
Expired
Application number
GB2646974A
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.)
Continental Can Co Inc
Original Assignee
Continental Can Co Inc
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 Continental Can Co Inc filed Critical Continental Can Co Inc
Publication of GB1472102A publication Critical patent/GB1472102A/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
    • B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
    • B21D17/02—Forming single grooves in sheet metal or tubular or hollow articles by pressing
    • 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)
  • Closures For Containers (AREA)
  • Accessories And Tools For Shearing Machines (AREA)
  • Containers Opened By Tearing Frangible Portions (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)

Abstract

1472102 Rip seams CONTINENTAL CAN CO Inc 14 June 1974 [18 June 1973] 26469/74 Heading B3J A line of weakness is formed in a sheet metal end closure &c. by a punch having a bottom wall 117 and a ledge 118 in at least one of its side walls 114. The included angle between the side walls 114 may be 30-90 degrees, preferably 50 degrees.
GB2646974A 1973-06-18 1974-06-14 Scoring metal sheet Expired GB1472102A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US370903A US3898944A (en) 1973-06-18 1973-06-18 Score and tool for forming the score

Publications (1)

Publication Number Publication Date
GB1472102A true GB1472102A (en) 1977-05-04

Family

ID=23461661

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2646974A Expired GB1472102A (en) 1973-06-18 1974-06-14 Scoring metal sheet

Country Status (16)

Country Link
US (1) US3898944A (en)
JP (1) JPS547508B2 (en)
AR (1) AR210573A1 (en)
AU (1) AU475405B2 (en)
BR (1) BR7404939D0 (en)
CA (1) CA1028205A (en)
CH (1) CH571906A5 (en)
DE (1) DE2406306C2 (en)
DK (1) DK323474A (en)
FR (1) FR2233238B1 (en)
GB (1) GB1472102A (en)
IT (1) IT1015154B (en)
NL (1) NL7408172A (en)
NO (1) NO742185L (en)
SE (1) SE411307B (en)
ZA (1) ZA738819B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4258859A (en) * 1979-02-02 1981-03-31 Boise Cascade Corporation No-fin scored metal ends for containers
US4216736A (en) * 1979-02-02 1980-08-12 Boise Cascade Corporation Method and apparatus for forming no-fin scored metal ends
DE3319949A1 (en) * 1983-06-01 1984-12-06 Schmalbach-Lubeca Gmbh, 3300 Braunschweig 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
US4558585A (en) * 1984-03-19 1985-12-17 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Ultrasonic angle beam standard reflector
JP4872203B2 (en) * 2004-09-27 2012-02-08 Ｊｆｅスチール株式会社 Mold, Can openerless lid, Can openerless lid manufacturing method and laminated steel plate for can openerless lid
US8122747B2 (en) 2008-06-03 2012-02-28 Stolle Machinery Company, Llc Can end scoring method, and tooling assembly and conversion press therefor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3339789A (en) * 1965-06-14 1967-09-05 Stolle Corp Scored metal can
US3583348A (en) * 1968-03-29 1971-06-08 Fraze Ermal C Method of making an easy opening container wall
US3728980A (en) * 1971-02-10 1973-04-24 Fraze Ermal C Scoring die

Also Published As

Publication number Publication date
SE7406183L (en) 1974-12-19
NO742185L (en) 1975-01-13
DE2406306A1 (en) 1975-01-09
NL7408172A (en) 1974-12-20
AU6870774A (en) 1975-11-13
ZA738819B (en) 1975-06-25
SE411307B (en) 1979-12-17
FR2233238A1 (en) 1975-01-10
CH571906A5 (en) 1976-01-30
IT1015154B (en) 1977-05-10
DE2406306C2 (en) 1984-05-17
JPS5028072A (en) 1975-03-22
DK323474A (en) 1975-02-17
CA1028205A (en) 1978-03-21
BR7404939D0 (en) 1975-01-07
AR210573A1 (en) 1977-08-31
JPS547508B2 (en) 1979-04-07
US3898944A (en) 1975-08-12
FR2233238B1 (en) 1980-03-14
AU475405B2 (en) 1976-08-19

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920614