Fine particle recycling method and apparatus

Details Fine particle recycling method and apparatus Fine particle recycling method and apparatus

1977-04-25

1979-04-17

Lazarus, Richard B.

Metal founding

Process

Including recycling of process material

B22C 500

Patent

active

041495810

ABSTRACT:
A foundry apparatus and a method of operating a foundry in which molding material is prepared by mixing sand and water in a muller, formed into molds for sand casting of metals, and later recycled. In accordance with the present invention, fine particles of molding material are removed as a wet waste, which is subsequently delivered to the muller for mixing with sand and water in preparing molding material.

REFERENCES:
patent: 2668754 (1954-02-01), Lichtenfels
patent: 2783511 (1957-03-01), Will et al.
patent: 3256573 (1966-06-01), Hunter
patent: 3604493 (1971-09-01), Schumacher
patent: 3884651 (1975-05-01), Velegol

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