Method of and system for recycling molding sand

Details Method of and system for recycling molding sand Method of and system for recycling molding sand

1998-03-10

2000-02-29

Soohoo, Tony G.

Agitating

Mortar mixer type

Methods

366 4, 366 6, 366 10, B28C 500

Patent

active

060301112

ABSTRACT:
Molding sand of a used greensand mold is recycled by adding water and binder to sand particles fatigued by heating applied by a molten metal during molding and segregated from vigorous molding sand not directly heated by the molten metal and mixing the refreshed molding sand particles with the vigorous molding sand.

REFERENCES:
patent: 4106112 (1978-08-01), Jones
patent: 4361405 (1982-11-01), Wedek et al.
patent: 4738615 (1988-04-01), Bailey et al.
patent: 5268195 (1993-12-01), Weisskopf
patent: 5271450 (1993-12-01), Bailey
patent: 5330265 (1994-07-01), Keating, Jr. et al.
patent: 5816312 (1998-10-01), Suginaka et al.

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