Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1989-06-05
1993-09-21
Rose, Robert A.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51426, B24C 330
Patent
active
052457982
ABSTRACT:
This relates to an improved abrading machine which is of an inexpensive contruction and simple to maintain. Each abrading machine includes a casing in which there is mounted for oscillation a rocker barrel. The casing construction varies in accordance with the intended use of the abrading machine. In one form the casing will be provided with a combined entrance and discharge opening. In another machine the front wall of the casing is provided with an upper entrance opening and a lower exit opening through which a single work piece or work pieces in a batch may be loaded into and discharged from the rocker barrel. In a further abrading machine, loading may be effected by way of an axially movable hopper which moves into overlying relation to the rocker barrel through an end wall of the casing and discharge of work pieces is through the bottom of the casing. In all forms of the abrading machine, cleaning of work pieces is effected by way of one or more blast wheels which throws abrasive particles through an open upper end of the rocker barrel on to the work pieces loaded therein. When the cleaning time is short, the blast wheel may be continuously rotated and valve means may be provided for controlling the supply of abrasive particles to the blast wheel.
REFERENCES:
patent: 2108210 (1938-02-01), Rosenberger
patent: 2422786 (1947-06-01), Keefer
patent: 2424955 (1947-07-01), Potter
patent: 2440819 (1948-05-01), Evans
patent: 4757648 (1988-07-01), Carpenter
Brown Charles E.
Pangborn Corporation
Rose Robert A.
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