Punch

Details Punch Punch

1986-05-27

1988-04-26

Kazenske, E. R.

Cutting

Tool or tool with support

Cutting couple type

83689, B26F 114

Patent

active

047396873

ABSTRACT:
The punch includes a working end with multiple working surfaces of special configuration to reduce the force required to effect punching and improve stripping action from the workpiece.

REFERENCES:
patent: 267751 (1882-11-01), Kennedy
patent: 891516 (1908-06-01), Abery
patent: 1097669 (1914-05-01), Philp
patent: 2126519 (1938-08-01), Vogel
patent: 2217560 (1940-10-01), Michon
patent: 2287168 (1942-06-01), Duncan
patent: 3580269 (1971-05-01), Ehrens et al.

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