Typewriting machines – Typing by other than type-face or type-die – Character formation by impact
Patent
1986-02-10
1987-06-09
Sewell, Paul T.
Typewriting machines
Typing by other than type-face or type-die
Character formation by impact
101 9305, 75242, B41J 312, C22C 2902
Patent
active
046716858
ABSTRACT:
A print wire for a printer wire assembly consisting essentially of a very fine and uniform grain size tungsten carbide in a cobalt matrix results in a wire having improved strength.
REFERENCES:
patent: 3816081 (1974-06-01), Hale
patent: 4145213 (1979-03-01), Oskarsson
patent: 4307966 (1981-12-01), Spencer
IBM Tech. Disc. Bulletin, by R. Travieso, vol. 25, No. 8, Jan. 1983, pp. 4270.
GTE Products Corporation
Sewell Paul T.
Walter Robert E.
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