Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1980-02-14
1982-06-22
Caroff, Marc L.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
511631, 51313, 51319, 134 254, 134 32, 134 68, 134134, B24B 3100
Patent
active
RE0309770
ABSTRACT:
A machine, and method, for tumbling objects or parts, generally of plastic material, to remove thin flange-like projections left along mold mating lines and frequently referred to as "flash". An advancing belt-like conveyor has a portion disposed to define an object-supporting surface so upwardly sloped in the direction of conveyor advance, as to cause tumbling and consequent deflashing of a mass of objects supported on said surface. The conveyor is also movable between two positions in which the objects are, respectively, loaded upon and automatically discharged from the conveyor. In the illustrated apparatus these are upper and lower positions. Tumbling occurs in the upper position, and discharge takes place in the lower position, under the influence of the advancing movement of the conveyor. The system includes mechanism for effecting additional cleaning of the objects, while tumbling on the conveyor, by subjecting them to a blast of impact cleaning media. The deflashed objects are conveyed during discharge to a terminal station of the system where they are stored in suitable receptacles.
Provision is made to modify the tumbling action, to accommodate the cleaning of objects of different sizes and shapes, by adjusting the speed of conveyor advance or the elevation of its sloped surface.
REFERENCES:
patent: Re25554 (1964-04-01), Leliaert
patent: 1224191 (1917-05-01), Medgyes
patent: 1882443 (1932-10-01), Peik
patent: 3079735 (1963-03-01), Freeman
patent: 3594956 (1971-07-01), Conover
patent: 3715840 (1973-02-01), Davidson
patent: 3871136 (1976-03-01), Isaacson
Caroff Marc L.
Finmac Incorporated
Lindrooth Charles H.
Synnestvedt Kenneth P.
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