Title: Centrifugal casting apparatus for dentistry

Abstract: A centrifugal casting apparatus for dentistry comprises a rotating member or platform for the mold having a mold disposed on one side thereof, a rotating member for the crucible movably positioned at the center of revolution of the said rotating member for the mold and provided with a crucible and a melting means, and a driving mechanism therefor, whereby metal for dentistry uses charged into the crucible is heated to be molten, while the mold is caused to rotate about the periphery of the crucible by means of the rotating member for the mold, and, after melting of the metal for dentistry uses is completed, the rotating member for the crucible is brought into engagement with the rotating member for the mold for rotation therewith where the metal in the molten state is cast from the crucible into the mold through impact force produced upon transmission of rotation as well as centrifugal force after initiation of rotation.

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Inventors: Ohara, Isao (24-4, Midorigaoka 4-chome, Toyonaka, Osaka, JP)

Application Number: 06/065102
Filing Date: 1979-08-09
Publication_date: 1981-07-28
Assignee: Ohara, Isao

Primary Class(es): 164/287 425/425, 164/289, 141/34
Other Classes: A61C13/20; B22D13/06; B22D13/00; B22D13/10; B22D13/06
US Patent Ref:

1457040	May, 1923	McManus	164/289
2451103	October, 1948	Loew	164/287
2992463	July, 1961	Berger	164/287
3559718	February, 1971	Hitchings	164/289

Other Refs: CA678260CA790493DE2511349

January, 1964	164/114
July, 1968	425/425
September, 1975	164/289

Primary Examiner: Baldwin, Robert D.
Assistant Examiner: Hampilos, Gus T.
Attorney: Armstrong, Nikaido, Marmelstein & Kubovcik

Claims: