Method and apparatus for reclaiming foundry sand

Details Method and apparatus for reclaiming foundry sand Method and apparatus for reclaiming foundry sand

1985-05-28

1986-11-04

Lin, Kuang Y.

Metal founding

Means to apply vacuum directly to work or to hold or...

164 5, 164412, B22C 508

Patent

active

046205861

ABSTRACT:
The present invention relates to a method and apparatus to be used in the reclamation of foundry sand. Mold flasks containing foundry sand shaped by a pattern to form a cavity into which molten metal has been poured are, after the metal has set, subjected to greatly reduced atmospheric pressure whereby to cause the moisture in the foundry sand to evaporate into water vapor, thereby removing moisture and heat from the sand so that the particles can be reused free of lumps or clumping of sand.

REFERENCES:
patent: 987837 (1911-03-01), Staunton
patent: 1482812 (1924-02-01), Roberts
patent: 2098024 (1937-11-01), Bailey
patent: 2597896 (1952-05-01), Oster
patent: 2766496 (1956-10-01), Ward
patent: 3027651 (1962-04-01), Nerge

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