Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1975-06-23
1977-01-11
Smith, Gary L.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51 14, B24C 314, B24C 318
Patent
active
040019764
ABSTRACT:
An apparatus is disclosed for removing molding sand from a cast part. The apparatus includes an open framework vibratory mechanism for causing movement of the molded parts through a tunnel-like member. This movement shakes and jolts the parts to loosen sand and free it from the casting. Also provided are particulate blasting means located at strategic positions in the tunnel enhancing removal of the mold sand.
REFERENCES:
patent: 587892 (1897-08-01), Walter
patent: 2204636 (1940-06-01), Turnbull
patent: 2887826 (1959-05-01), Schultz
patent: 3690066 (1972-09-01), Rowe
patent: 3793780 (1974-02-01), Musschoot
patent: 3829029 (1974-08-01), Carpenter
Smith Gary L.
Wheelabrator-Frye Inc.
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