Printing wire for use in a matrix printer and method for making

Typewriting machines – Typing by other than type-face or type-die – Character formation by impact

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Details

204 15, 204 27, B41J 344, C25D 502, C25D 706

Patent

active

040983889

ABSTRACT:
A method is disclosed for providing tungsten carbide wires as used in matrix printers with a supporting surface at one end thereof thereby to facilitate the moulding thereon of a plastic cap and to improve retention of the cap. The supporting surface is provided by a galvanic nickel deposit.

REFERENCES:
patent: 2802897 (1957-08-01), Hurd et al.
patent: 3276986 (1966-10-01), Swistun
patent: 3616283 (1971-10-01), Magee
patent: 3669850 (1972-06-01), Draca
patent: 3900094 (1975-08-01), Larsen et al.

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