Casting metals

Details Casting metals Casting metals

1993-09-07

1995-02-28

Bradley, P. Austin

Metal founding

Means to shape metallic material

Pressure shaping means

164514, 164256, 164119, B22D 1806

Patent

active

053928423

ABSTRACT:
Metal is cast by melting it in a crucible over a hole too small to enable gravity to make the molten metal pass through the hole and with a diameter to length ratio greater than one, after which increased pressure is applied to the metal to drive it through the hole into a mold.

REFERENCES:
patent: 1723071 (1929-08-01), Pitman
patent: 4254817 (1981-03-01), Kidowaki et al.
patent: 4415673 (1983-11-01), Feagin
patent: 4538671 (1985-09-01), Waterstrat
patent: 4580617 (1986-04-01), Blechner et al.

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