GB938098A - Improvements in and relating to hand tools for cutting holes in sheet material - Google Patents

Improvements in and relating to hand tools for cutting holes in sheet material

Info

Publication number
GB938098A
GB938098A GB3809458A GB3809458A GB938098A GB 938098 A GB938098 A GB 938098A GB 3809458 A GB3809458 A GB 3809458A GB 3809458 A GB3809458 A GB 3809458A GB 938098 A GB938098 A GB 938098A
Authority
GB
United Kingdom
Prior art keywords
punch
relating
sheet material
die
hand tools
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
GB3809458A
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.)
KENNETH LAWRENCE SOMPER
Original Assignee
KENNETH LAWRENCE SOMPER
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 KENNETH LAWRENCE SOMPER filed Critical KENNETH LAWRENCE SOMPER
Priority to GB3809458A priority Critical patent/GB938098A/en
Publication of GB938098A publication Critical patent/GB938098A/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
    • B21D28/34—Perforating tools; Die holders
    • B21D28/343—Draw punches

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Punching Or Piercing (AREA)

Abstract

938,098. Punches; dies. K. L. SOMPER. Oct. 22, 1959 [Nov. 26, 1958], No. 38094/58. Class 83 (4). A tool for cutting a hole in sheet metal &c. 22 comprises a punch 10, a die 11 and means 12, 18 for urging the punch and die together. A reduced part 16 of the nut 12, which engages the bolt 18, locates the die 11. In a modification, Fig. 2, the square die 32 is located by a collar on the bolt-head and the punch 31 by flats 36 on the punch and bolt 33, which has a separate nut 34. The punch has a tooth 35 at each corner.
GB3809458A 1958-11-26 1958-11-26 Improvements in and relating to hand tools for cutting holes in sheet material Expired GB938098A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3809458A GB938098A (en) 1958-11-26 1958-11-26 Improvements in and relating to hand tools for cutting holes in sheet material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3809458A GB938098A (en) 1958-11-26 1958-11-26 Improvements in and relating to hand tools for cutting holes in sheet material

Publications (1)

Publication Number Publication Date
GB938098A true GB938098A (en) 1963-09-25

Family

ID=10401137

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3809458A Expired GB938098A (en) 1958-11-26 1958-11-26 Improvements in and relating to hand tools for cutting holes in sheet material

Country Status (1)

Country Link
GB (1) GB938098A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2807692A1 (en) * 2000-04-17 2001-10-19 Racodon S A Soc D Expl Des Ets CUTTERS

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2807692A1 (en) * 2000-04-17 2001-10-19 Racodon S A Soc D Expl Des Ets CUTTERS
EP1147834A1 (en) * 2000-04-17 2001-10-24 Société d'Exploitation des Etablissements Racodon S.A. Punching device

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