Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1979-03-14
1981-04-07
Spruill, Robert Louis
Metal founding
Process
Shaping liquid metal against a forming surface
164 82, 164423, 164437, 222594, B22D 1110, B22D 3900, B22D 4108
Patent
active
042600073
ABSTRACT:
An improvement is provided in a method for the continuous casting of glassy metal alloy filaments wherein molten alloy is extruded from a pressurized crucible through an extrusion orifice onto a rotating quench surface. The invention provides a boric oxide seal for the extrusion orifice that prevents oxidation of the molten alloy prior to initiation of extrusion. At initiation of extrusion, the seal is conveniently expelled from the orifice with the leading surge of the extruded molten alloy.
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patent: 3856513 (1974-12-01), Chen et al.
patent: 3896870 (1975-07-01), Massoubre
patent: 3926248 (1975-12-01), English
patent: 3964535 (1976-06-01), Bedell et al.
patent: 4029887 (1977-06-01), Spremulli
patent: 4142571 (1979-03-01), Narasimhan
Gilman, John J. "Metallic Glasses," Physics Today, vol. 28 No. 5, May, 1975.
Rosenberg Susan L.
Wellslager John A.
Allied Chemical Corporation
Fuchs Gerhard H,.
Hampilos Gus T.
Riesenfeld James
Spruill Robert Louis
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