Artificial porcelain tooth manufacturing

Details Artificial porcelain tooth manufacturing Artificial porcelain tooth manufacturing

1978-02-02

1980-07-29

Peshock, Robert

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

433218, 295272, 295274, 295275, B21F 4300

Patent

active

042143560

ABSTRACT:
The method and apparatus for manufacturing an artificial tooth crown which involves the formation of a metal crown, coating the crown with porcelain materials and subjecting the coated crown to high frequency vibrations of the order of 15 to 50 Hz to condense the porcelain materials and remove air and liquid therefrom prior to firing.

REFERENCES:
patent: 2700810 (1955-01-01), Garni
patent: 3456295 (1969-07-01), Torigai et al.
patent: 3506062 (1970-04-01), Hoffman
patent: 3520961 (1970-07-01), Suda et al.
patent: 4104798 (1978-08-01), Takahashi et al.

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