Dual surface article abrading apparatus

Details Dual surface article abrading apparatus Dual surface article abrading apparatus

1974-03-04

1976-04-27

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51354, B24B 700

Patent

active

039524574

ABSTRACT:
The invention is a machine having a reciprocating carriage for abrading both sides of a flat article which is transmitted to the carriage through a series of pinch rollers. The carriage carries an abrading tool with floating abrading surfaces such that the flat articles can pass between the surfaces, yet remain in contact with them. Spring tension keeps the abrading surfaces in contact with flat articles to be abraded.

REFERENCES:
patent: 892231 (1908-06-01), Gidam
patent: 1909743 (1933-05-01), Blankner
patent: 1962766 (1934-06-01), Crowley
patent: 2269197 (1942-01-01), Hamilton
patent: 2384164 (1945-09-01), Gerung
patent: 2481588 (1949-09-01), Hamilton
patent: 2548979 (1951-04-01), Johnson
patent: 2692459 (1954-10-01), Gerung
patent: 2945330 (1960-07-01), Peyches

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