GB2054439B - Draw punch - Google Patents

Draw punch

Info

Publication number
GB2054439B
GB2054439B GB8022897A GB8022897A GB2054439B GB 2054439 B GB2054439 B GB 2054439B GB 8022897 A GB8022897 A GB 8022897A GB 8022897 A GB8022897 A GB 8022897A GB 2054439 B GB2054439 B GB 2054439B
Authority
GB
United Kingdom
Prior art keywords
draw punch
punch
draw
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
GB8022897A
Other languages
English (en)
Other versions
GB2054439A (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.)
Greenlee Brothers and Co
Original Assignee
Greenlee Brothers and Co
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 Greenlee Brothers and Co filed Critical Greenlee Brothers and Co
Publication of GB2054439A publication Critical patent/GB2054439A/en
Application granted granted Critical
Publication of GB2054439B publication Critical patent/GB2054439B/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)
GB8022897A 1979-07-23 1980-07-14 Draw punch Expired GB2054439B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5986979A 1979-07-23 1979-07-23

Publications (2)

Publication Number Publication Date
GB2054439A GB2054439A (en) 1981-02-18
GB2054439B true GB2054439B (en) 1983-02-23

Family

ID=22025818

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8022897A Expired GB2054439B (en) 1979-07-23 1980-07-14 Draw punch

Country Status (7)

Country Link
JP (1) JPS5666326A (enrdf_load_stackoverflow)
CA (1) CA1139216A (enrdf_load_stackoverflow)
DE (1) DE3027023C2 (enrdf_load_stackoverflow)
FR (1) FR2461536B1 (enrdf_load_stackoverflow)
GB (1) GB2054439B (enrdf_load_stackoverflow)
HK (1) HK52085A (enrdf_load_stackoverflow)
SG (1) SG11285G (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9106737U1 (de) * 1991-05-31 1991-11-07 Alfra-Werkzeug & Gerätebau GmbH, 6452 Hainburg Lochstanze
JPH0715124U (ja) * 1993-08-23 1995-03-14 株式会社曽根工具製作所 パンチャー用ポンチ
FR2887173B1 (fr) * 2005-06-16 2007-09-14 Racodon Outil Soc Par Actions Poincon de decoupe de matiere metallique du type tole

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE402120C (de) * 1923-01-20 1924-09-15 Walter Brewitt Dipl Ing Drehbarer Stanzstempel mit unterbrochenen Schneidzaehnen
US1721007A (en) * 1927-12-22 1929-07-16 Edward M Doherty Hole-forming tool
GB348801A (en) * 1930-03-28 1931-05-21 John Chris Nischan Improvements in devices for punching holes in metal and like plates
US2176943A (en) * 1938-02-19 1939-10-24 William O Reeser Hole forming tool
US2214701A (en) * 1940-01-03 1940-09-10 Budd Edward G Mfg Co Punch for perforating sheet metal
US2237069A (en) * 1940-08-16 1941-04-01 Gustaf O Christenson Draw punch
GB764177A (en) * 1955-02-28 1956-12-19 Prestole Corp Improved method and means for producing apertured deformities in sheet metal for accommodating screw fastenings
DE1502923A1 (de) * 1965-10-11 1969-06-04 Rmi Gmbh & Co Kg Lochwerkzeuge fuer Bleche u.dgl.
FR1467990A (fr) * 1965-12-22 1967-02-03 Perfectionnements aux outils de poinçonnage pour tôles et analogues
GB1415620A (en) * 1974-07-30 1975-11-26 Electrocomponents Ltd Hand punch tool

Also Published As

Publication number Publication date
DE3027023C2 (de) 1986-11-27
JPS6251693B2 (enrdf_load_stackoverflow) 1987-10-31
GB2054439A (en) 1981-02-18
DE3027023A1 (de) 1981-02-19
SG11285G (en) 1985-09-13
JPS5666326A (en) 1981-06-04
CA1139216A (en) 1983-01-11
FR2461536B1 (fr) 1985-10-25
FR2461536A1 (fr) 1981-02-06
HK52085A (en) 1985-07-12

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20000713