Abrasive slurry supply system for use in metallographic sample p

Details Abrasive slurry supply system for use in metallographic sample p Abrasive slurry supply system for use in metallographic sample p

1982-10-12

1985-04-30

Rolla, Joseph J.

Dispensing

Including timer

For timing dispensing period

222318, 51263, 239 70, 239124, B24B 5700

Patent

active

045138940

ABSTRACT:
An alumina slurry supply system for use in conjunction with a polisher or grinder apparatus or the like for preparing the surfaces of metallurgical specimens, the system comprising an alumina slurry reservoir, a recirculation pump disposed in the reservoir, an applicator arm for dispensing the abrasive slurry to a platen or lapping wheel of the polisher or grinder apparatus, a first conduit for receiving slurry pumped from the reservoir, a second conduit connected to the first conduit for recirculating the slurry to the reservoir, a third conduit leading from the first conduit to the applicator arm, a valve in the third conduit movable between an open position to supply abrasive slurry to the applicator arm and a closed position in which all abrasive slurry pumped from the reservoir is recirculated thereto, and a timer for controlling the operation of the valve.

REFERENCES:
patent: 2914253 (1959-11-01), Jobus et al.
patent: 3028711 (1962-04-01), Campbell et al.
patent: 3261510 (1966-07-01), Day et al.
patent: 4059929 (1977-11-01), Bishop

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