Method and apparatus for feeding a recessed sand mold with molte

Details Method and apparatus for feeding a recessed sand mold with molte Method and apparatus for feeding a recessed sand mold with molte

1992-12-04

1995-01-31

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164306, B22D 1706

Patent

active

053851978

ABSTRACT:
A multi-stage sand mold 4 defines a plurality of casting impressions or cavities 31 fed with molten metal from a tubular central chamber 28 via a pair of parallel intermediate ducts 30A, 30B extending horizontally outwardly from opposite sides of the chamber, and ingates 32A, 32B extending between the ducts and the impressions. All of the ingates fed by a single intermediate duct open into the same impression, thus implementing a balanced and uniform distribution of molten metal to the impressions.

REFERENCES:
patent: 2303608 (1942-12-01), Campbell
patent: 2940142 (1960-06-01), Wells et al.
patent: 3628598 (1971-12-01), MacNeil et al.
patent: 3656539 (1972-04-01), Zickefoose
patent: 4008749 (1977-02-01), Bellocci et al.
patent: 4112997 (1978-09-01), Chandley
patent: 4133370 (1979-01-01), Bellocci et al.
patent: 4143687 (1979-03-01), Bellocci
patent: 4989665 (1991-02-01), Yaniagiwa et al.

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