Gemstone working apparatus

Details Gemstone working apparatus Gemstone working apparatus

1994-08-17

1996-04-02

Kisliuk, Bruce M.

Abrading

Machine

Rotary tool

451 41, 451 57, 451548, 451461, B24B 700

Patent

active

055035922

ABSTRACT:
Gemstone working apparatus which includes a rotatable base, one or more two gemstone working members including a first gemstone working member which defines a first gemstone working surface adapted for removable mounting on the base; and a second gemstone working member which defines a second gemstone working surface, of a different grain size than that of the first gemstone working surface, adapted for removable mounting on the base concentrically with the first gemstone working member; and rotational height adjustment apparatus for adjustment of the height of the second gemstone working member by rotation thereof relative to the first gemstone working member to any non-predetermined rotational position, thereby to bring the second working surface into planar alignment with the first working surface so as to provide a combination abrasive surface of varying grain size and of uniform level.

REFERENCES:
patent: 2309016 (1943-01-01), Ryan
patent: 3841031 (1974-10-01), Walsh
patent: 4955162 (1990-09-01), Jackson
IBM Technical Disclosure: By Hause "Wafer-Polishing Process", Feb. 1978, vol. 20, No. 9 p. 3424.

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