Plastic and nonmetallic article shaping or treating: processes – Treatment of material by vibrating – jarring – or agitating... – By reciprocating or vibrating mold
Patent
1979-04-12
1981-01-20
Arnold, Donald J.
Plastic and nonmetallic article shaping or treating: processes
Treatment of material by vibrating, jarring, or agitating...
By reciprocating or vibrating mold
264 43, 264 451, 264 465, 264 466, 264 467, 264269, 264271, B28B 108
Patent
active
042462169
ABSTRACT:
A method of making a gas delivery device in which a delivery conduit and a core are located in a vibratory mold, and refractory granular material with a binder are poured into the mold. The core is removed, and a porous element is inserted in the resulting recess. The assembly is then heat treated to form the completed device.
The device is especially useful for degasifying aluminium, copper, and their alloys.
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Bentz Gerard
Racouchot Bernard
Arnold Donald J.
L'Air Liguide, Societe Anonyme pour l'Etude et l'Exploitation de
Robinson, Jr. Lee C.
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