Dental apparatus for preventing loss of precious metal particles

Details Dental apparatus for preventing loss of precious metal particles Dental apparatus for preventing loss of precious metal particles

1981-04-09

1983-05-31

Mancene, Gene

Dentistry

Apparatus

Having suction orifice

210311, 210249, A61C 1704

Patent

active

043858910

ABSTRACT:
Particles of precious metal are recovered from a mixture drawn from the mouth of a dental patient. An enclosure is interiorly divided by a perforated baffle into an upper chamber and a lower chamber. The mixture is introduced into the lower chamber by an inlet conduit which has a substantially smaller cross section than the lower chamber so that a reduced velocity in the lower chamber will permit gravitational settlement of the particles. Residual fluids flow upwardly through the perforated baffle at a relatively low velocity, and they are removed through an outlet conduit which extends into the upper chamber and is connected to a vacuum source.

REFERENCES:
patent: 995402 (1911-06-01), Davis
patent: 1361243 (1920-12-01), Fusom
patent: 2905418 (1959-09-01), Escartin
patent: 3012323 (1961-12-01), Thompson
patent: 3043432 (1962-07-01), Megesi
patent: 3482313 (1969-12-01), Stram
patent: 4273126 (1981-06-01), Grane et al.
patent: 4328101 (1982-05-01), Borden
patent: 4332560 (1982-06-01), Rait

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