Casting method using core made of synthetic resin, core made of

Details Casting method using core made of synthetic resin, core made of Casting method using core made of synthetic resin, core made of

1995-03-15

1996-10-22

Hail, III, Joseph J.

Metal founding

Process

Shaping liquid metal against a forming surface

164369, B22C 910

Patent

active

055667422

ABSTRACT:
A core 10 made of a synthetic resin is set in dies, and the dies are filled with a molten metal. The molten metal is cooled by the dies, whereby a cast product 12 including the synthetic resin core 10 is obtained. Totally heating the cast product 12, a projecting portion 10a of the synthetic resin core 10 is caught and pulled, whereby the synthetic resin core 10 is drawn in a semi-molten state out of the cast product 12.

REFERENCES:
patent: 1710534 (1929-04-01), Field
patent: 2086653 (1937-07-01), Watson et al.
patent: 3220070 (1965-11-01), Tajkowski
patent: 3465808 (1969-09-01), Uram
patent: 4106548 (1978-08-01), Murza-Mucha et al.
patent: 4352387 (1982-10-01), Yamaguchi

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