Method for forming a print wheel with metal rim

Details Method for forming a print wheel with metal rim Method for forming a print wheel with metal rim

1974-06-17

1976-04-27

Larson, Lowell A.

Metal working

Method of mechanical manufacture

Shaping by direct application of fluent pressure

101375, 264328, B23P 1700

Patent

active

039523977

ABSTRACT:
A print wheel of the type employed in business machines is formed by positioning a ring-shaped metal blank in a die and forcing fluid plastic under pressure against the ring thereby causing the metal to flow into the characters provided in the die and to assume their shape.

REFERENCES:
patent: 2158044 (1939-05-01), Haller
patent: 2673373 (1954-03-01), Heuer
patent: 2770874 (1956-11-01), Lindow
patent: 2978751 (1961-04-01), Bright
patent: 3166831 (1965-01-01), Keith
patent: 3446107 (1969-05-01), Moyer
patent: 3553809 (1971-01-01), Yamada et al.
patent: 3693544 (1972-09-01), Trzyna

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