Metal tools and implements – making – File cutting – Process
Patent
1977-05-25
1980-01-08
Godici, Nicholas P.
Metal tools and implements, making
File cutting
Process
76101SM, B23D 7304
Patent
active
041822048
ABSTRACT:
A method for making file teeth including a punch and anvil that forms part of a die set. A strip of metal is positioned on the die set so that by moving the punch into engagement with the strip of metal, a plurality of file teeth will be formed from the strip of metal and simultaneously coined sharpened in a single operation.
REFERENCES:
patent: 3077127 (1963-02-01), Stutzke
patent: 3174363 (1965-03-01), Staiger
patent: 3290917 (1966-12-01), Don
patent: 3509611 (1970-05-01), Kifer
patent: 3545308 (1970-12-01), Stutzke
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