Method of regenerating foundry sand

Metal founding – Process – Including recycling of process material

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241 5, 241DIG10, B22C 510, B22C 518

Patent

active

054390443

ABSTRACT:
A foundry sand is regenerated in an upright chamber to which air is admitted at the junction between a peripheral wall and between while an abrating rotor is in a horizontal plane close to the bottom to establish a vertical line with columns of fluidized sand outwardly of the orbit of the rotor.

REFERENCES:
patent: 1393092 (1921-10-01), Davis
patent: 2477948 (1949-08-01), Allen
patent: 3881664 (1975-05-01), Bowling, Jr. et al.

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