GB780731A - Improvements in or relating to piercing tools - Google Patents

Improvements in or relating to piercing tools

Info

Publication number
GB780731A
GB780731A GB3521453A GB3521453A GB780731A GB 780731 A GB780731 A GB 780731A GB 3521453 A GB3521453 A GB 3521453A GB 3521453 A GB3521453 A GB 3521453A GB 780731 A GB780731 A GB 780731A
Authority
GB
United Kingdom
Prior art keywords
stripper
frame
punch
secured
boss
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
GB3521453A
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.)
ALBERT MAURICE REDMAN
REDMAN TOOLS AND PRODUCTS Ltd
Original Assignee
ALBERT MAURICE REDMAN
REDMAN TOOLS AND PRODUCTS Ltd
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 ALBERT MAURICE REDMAN, REDMAN TOOLS AND PRODUCTS Ltd filed Critical ALBERT MAURICE REDMAN
Priority to GB3521453A priority Critical patent/GB780731A/en
Publication of GB780731A publication Critical patent/GB780731A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)

Abstract

780,731. Punching. REDMAN TOOLS & PRODUCTS, Ltd., and REDMAN, A. M. April 18, 1955 [Jan. 17, 1954], No. 35214/53. Addition to 647,163. Class 83 (4). A punching-tool has a C-shaped frame 11 adapted to be secured to the bed-plate of a press, a die 15 mounted in the lower arm 12 of the frame, a cylindrical boss 16 at the end of the upper arm 13 of the frame, a sleeve-like stripper 24 slidably mounted in the boss, a punch 19 slidably located in the stripper 24 and in a cover-plate 22 secured to the-upper end of the boss 16 and a stripper spring 25 interposed between the stripper 24 and a shoulder 21 on the punch. A weaker spring 29 serves to raise the punch 19 and the stripper 24. An adjustable work-stop 33 is secured to the frame.
GB3521453A 1954-01-17 1954-01-17 Improvements in or relating to piercing tools Expired GB780731A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3521453A GB780731A (en) 1954-01-17 1954-01-17 Improvements in or relating to piercing tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3521453A GB780731A (en) 1954-01-17 1954-01-17 Improvements in or relating to piercing tools

Publications (1)

Publication Number Publication Date
GB780731A true GB780731A (en) 1957-08-07

Family

ID=10375160

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3521453A Expired GB780731A (en) 1954-01-17 1954-01-17 Improvements in or relating to piercing tools

Country Status (1)

Country Link
GB (1) GB780731A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5996456A (en) * 1997-06-14 1999-12-07 Cfs Falkenroth Umformtechnik Gmbh & Co. Punching apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5996456A (en) * 1997-06-14 1999-12-07 Cfs Falkenroth Umformtechnik Gmbh & Co. Punching apparatus

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