Process for machining an edge portion of a ceramic article prefo

Details Process for machining an edge portion of a ceramic article prefo Process for machining an edge portion of a ceramic article prefo

1997-10-02

1999-09-21

Scherbel, David A.

Abrading

Abrading process

Glass or stone abrading

451 41, 451 49, B24B 100

Patent

active

059545674

ABSTRACT:
A process for machining edge portions of a ceramic article preform without chipping includes grinding in such consecutive machining steps and machining directions that a chipped portion which results in a machined part of the edge portion in a machining step, is removed by any succeeding. Further, a lastly remaining part of the edge portions of the ceramic article preform is machined in a final step without chipping, thereby enabling the edge portion of the ceramic article preform to be ground without chipping.

REFERENCES:
patent: 3520091 (1970-07-01), Raphael
patent: 4344260 (1982-08-01), Ogiwara
patent: 4503613 (1985-03-01), Yax
patent: 5000630 (1991-03-01), Riley et al.
patent: 5094037 (1992-03-01), Hakomori et al.
patent: 5410843 (1995-05-01), Gottschald
patent: 5711700 (1998-01-01), Raffaelli
Patent Abstracts of Japan; vol. 012, No. 343 (M-741), Sep. 14, 1988 & JP 63 102860 (Sumitomo Electric Ind Ltd), May 7, 1988; *abstract; figures*.
Patent Abstracts of Japan; vol. 004, No. 165 (E-034), Nov. 15, 1980 & JP 55 113332 A (Hitachi Ltd), Sep. 1, 1980; *abstract; figures*.

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