GB780731A - Improvements in or relating to piercing tools - Google Patents
Improvements in or relating to piercing toolsInfo
- 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
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.
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5996456A (en) * | 1997-06-14 | 1999-12-07 | Cfs Falkenroth Umformtechnik Gmbh & Co. | Punching apparatus |
-
1954
- 1954-01-17 GB GB3521453A patent/GB780731A/en not_active Expired
Cited By (1)
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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