Punching tool

Details Punching tool Punching tool

1978-11-13

1981-02-17

Meister, J. M.

Cutting

Tool or tool with support

Cutting couple type

83667, 83684, 83698, 83700, B26F 144

Patent

active

042507863

ABSTRACT:
A punching tool comprises a plurality of knives, which constitute an annular array and are provided with wedge-shaped cutting edges. Each knife is vertically adjustably secured to a vertical knife holder. Adjacent knife holders are detachably interconnected by a projection of one knife holder and a groove, formed in an adjacent knife holder and by a screw, which extends through a bore in the projection and is screwed in a tapped bore at the bottom of the groove.

REFERENCES:
patent: 38750 (1863-06-01), Knickerbocker
patent: 109249 (1870-11-01), Rice
patent: 672323 (1901-04-01), Gentsch
patent: 1411774 (1922-04-01), Engel
patent: 2178710 (1939-11-01), Valiquette
patent: 2412066 (1946-12-01), Shear
patent: 3517580 (1970-06-01), Sturm

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