Typewriting machines – Typing by other than type-face or type-die – Character formation by impact
Patent
1984-12-13
1987-03-24
Burr, Edgar S.
Typewriting machines
Typing by other than type-face or type-die
Character formation by impact
101 9305, 420441, B41J 310
Patent
active
046521577
ABSTRACT:
A printing wire comprises a wire main body made of a sintered super hard alloy containing a hard alloy powder, whose major constituent is carbide powder, and a binder phase comprising at least one element selected from the group consisting of nickel and cobalt; and an alloy layer formed on the entire surface of the wire main body, which contains nickel as a major constituent and has nickel phosphide or nickel boride precipitated therein, or an alloy layer which contains cobalt as a major constituent and has cobalt phosphide or cobalt boride precipitated therein.
REFERENCES:
patent: 3045334 (1962-07-01), Berezins
patent: 4330333 (1982-05-01), Gibbs
patent: 4514224 (1985-04-01), Nishigaki
IBM Technical Disclosure Bulletin, "Print Wire for Wire Matrix Printer", by Travieso, vol. 25, No. 8, Jan. 83, p. 4270.
Endo Akira
Fujiwara Tetsuo
Suzuki Isao
Uzawa Sumiyo
Burr Edgar S.
Kabushiki Kaisha Toshiba
Wiecking David A.
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