Metal founding – Means to shape metallic material – Pressure shaping means
Patent
1977-08-05
1979-01-16
Husar, Francis S.
Metal founding
Means to shape metallic material
Pressure shaping means
164286, 164289, 233 26, B22D 1300
Patent
active
041344456
ABSTRACT:
The disclosure embraces a centrifugal casting apparatus of a character for casting comparatively small articles or objects of highly refractory metals, such as jewelry and similar articles, the centrifugal casting apparatus being enclosed in a housing, the arrangement having a motor-driven throwing arm and a secondary arm mounting components of the casting apparatus, the secondary arm being adapted upon energization of the motor to be centrifugally oscillated or rotated about a pivot axis to a diametrically aligned position with the throwing arm to rapidly accelerate flow of the molten casting metal into the mold, the apparatus including a closure or cover for the housing in association with means for automatically interrupting operation of the motor when the cover or closure is moved to an open position.
REFERENCES:
patent: 2297973 (1942-10-01), Moore
patent: 2361906 (1944-11-01), Anderson
patent: 2749585 (1956-06-01), Prosen
Doman Donald W.
Goodrich William F.
Ingersoll Robert C.
Dick Blick Company
Ernsberger Harry O.
Husar Francis S.
Lin K. Y.
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