Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1975-10-22
1976-10-12
Smith, Al Lawrence
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51117, 51289S, B24B 1106
Patent
active
039849457
ABSTRACT:
There is disclosed a device for lapping an unlimited number of balls in continuous operation. The device has a stationary working disc and two rotary working discs which are driven in opposite direction and at differential speeds. The rotary discs and the stationary disc define therebetween a working gap into which balls to be lapped are continuously fed and from which they are discharged after having passed through all or part of the gap. Driving of the rotary discs in opposite direction and at differential speeds causes the balls to move along the gap and to be simultaneously lapped. The rotational speeds of the rotary discs can be independently adjusted, thereby controlling the dwell time of balls in the gap.
REFERENCES:
patent: 703065 (1902-06-01), Hoffmann
patent: 1306767 (1919-06-01), McIntyre et al.
patent: 1418887 (1922-06-01), Sellew
patent: 1870571 (1932-09-01), Kadzik
patent: 2291123 (1942-07-01), Wallace
patent: 3545139 (1970-12-01), Brany
patent: 3561164 (1971-02-01), Dunn
Godici Nicholas P.
Sebastian Messerschmidt Spezial-maschinenfabrik
Smith Al Lawrence
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