GB8825845D0 - Method & apparatus for punching - Google Patents

Method & apparatus for punching

Info

Publication number
GB8825845D0
GB8825845D0 GB888825845A GB8825845A GB8825845D0 GB 8825845 D0 GB8825845 D0 GB 8825845D0 GB 888825845 A GB888825845 A GB 888825845A GB 8825845 A GB8825845 A GB 8825845A GB 8825845 D0 GB8825845 D0 GB 8825845D0
Authority
GB
United Kingdom
Prior art keywords
punching
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Withdrawn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
GB888825845A
Other versions
GB2213085A (en
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.)
Higgins J A
Original Assignee
Higgins J A
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 Higgins J A filed Critical Higgins J A
Publication of GB8825845D0 publication Critical patent/GB8825845D0/en
Publication of GB2213085A publication Critical patent/GB2213085A/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Withdrawn legal-status Critical Current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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)
GB8825845A 1987-12-04 1988-11-04 A method and apparatus for punching Withdrawn GB2213085A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE329787A IE60206B1 (en) 1987-12-04 1987-12-04 "A method and apparatus for punching"

Publications (2)

Publication Number Publication Date
GB8825845D0 true GB8825845D0 (en) 1988-12-07
GB2213085A GB2213085A (en) 1989-08-09

Family

ID=11038335

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8825845A Withdrawn GB2213085A (en) 1987-12-04 1988-11-04 A method and apparatus for punching

Country Status (3)

Country Link
GB (1) GB2213085A (en)
IE (1) IE60206B1 (en)
ZA (1) ZA879224B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE512912C2 (en) * 1997-06-05 2000-06-05 Pm Teknik Hb Procedure for punching and punching

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB561602A (en) * 1942-12-24 1944-05-25 Tan Sad Ltd An improved piercing mechanism for tubes
GB697572A (en) * 1950-10-16 1953-09-23 Rotovent A G Method and machine tool for manufacturing tubular sieve-like parts
GB767793A (en) * 1954-02-04 1957-02-06 Andre Huet Improvements in or relating to forming flanged openings or nipples in metal pipes

Also Published As

Publication number Publication date
GB2213085A (en) 1989-08-09
ZA879224B (en) 1988-06-09
IE60206B1 (en) 1994-06-15

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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)