Method for the treatment of foundry sand and/or core sand

Details Method for the treatment of foundry sand and/or core sand Method for the treatment of foundry sand and/or core sand

1991-01-24

1992-12-01

Seidel, Richard K.

Metal founding

Process

Including recycling of process material

B22C 500

Patent

active

051672707

ABSTRACT:
A method for the re-processing of used foundry sand comprises a two cycle system including a conventional processing system for foundry sand and a second locally independent regeneration system for the recovery of the usuable components of the used sand such as carbon dust and bentonite.

REFERENCES:
patent: 1551738 (1925-09-01), Fisher
patent: 2261947 (1941-11-01), Barnebl et al.
patent: 2331102 (1943-10-01), Bird
patent: 2478461 (1949-08-01), Connolly
patent: 2766496 (1956-10-01), Ward
patent: 4144088 (1979-03-01), Adams
patent: 4303453 (1981-12-01), Jung et al.
patent: 4449566 (1984-05-01), Filipovitch et al.
patent: 4569696 (1986-02-01), Sandstrom et al.

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