Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1975-07-11
1976-03-16
Simpson, Othell M.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
B24B 904, B24B 2106
Patent
active
039436675
ABSTRACT:
A device for grinding longitudinal welds in a steel door or the like is provided. The device includes a bed for receiving the door and means for moving the door along the bed on a path between opposed grinding wheels. One of the grinding wheels is fixed and the other is mounted to a carriage designed to move transversely to the bed. Switches actuated by the door activate the grinding wheels and moving means. The carriage includes means to limit its movement to insure a proper engagement with the door and the grinding wheels are set at an angle with respect to the axis of the bed to further insure proper contact.
REFERENCES:
patent: 2194757 (1940-03-01), Klaas et al.
patent: 2705854 (1955-04-01), Lauerdisse
patent: 2787871 (1957-04-01), LeClercq
patent: 3468071 (1969-09-01), Woodward
Acme Steel Door Corporation
Simpson Othell M.
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