Draw punch

Details Draw punch Draw punch

1981-03-20

1982-10-12

Kunin, Stephen G.

Cutlery

Perforating or indenting implements

With portion positioned in work aperture

B26F 100

Patent

active

043531644

ABSTRACT:
This invention relates to a draw punch and its purpose is to punch a hole in sheet metal or the like, particularly in inaccessible places, such as an electrical outlet box or other terminal outlets. Moreover, the metal slug is split into two pieces and is removed easier.

REFERENCES:
patent: 1721007 (1929-07-01), Doherty et al.
patent: 1754568 (1930-04-01), Nischan
patent: 1817223 (1931-08-01), Abramson et al.
patent: 2237069 (1941-04-01), Christenson
patent: 3269011 (1966-08-01), Herrstrum

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