GB1226197A - - Google Patents

Info

Publication number
GB1226197A
GB1226197A GB1226197DA GB1226197A GB 1226197 A GB1226197 A GB 1226197A GB 1226197D A GB1226197D A GB 1226197DA GB 1226197 A GB1226197 A GB 1226197A
Authority
GB
United Kingdom
Prior art keywords
punch
guide member
coupling
punches
drive
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
Other languages
English (en)
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 filed Critical
Publication of GB1226197A publication Critical patent/GB1226197A/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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/246—Selection of punches

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
GB1226197D 1968-12-04 1968-12-04 Expired GB1226197A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5767468 1968-12-04

Publications (1)

Publication Number Publication Date
GB1226197A true GB1226197A (enrdf_load_stackoverflow) 1971-03-24

Family

ID=10479764

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1226197D Expired GB1226197A (enrdf_load_stackoverflow) 1968-12-04 1968-12-04

Country Status (1)

Country Link
GB (1) GB1226197A (enrdf_load_stackoverflow)

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees