Metal deforming – By extruding through orifice – Utilizing internal forming means
Patent
1991-12-05
1993-03-30
Larson, Lowell A.
Metal deforming
By extruding through orifice
Utilizing internal forming means
B21C 2330
Patent
active
051973197
ABSTRACT:
An apparatus for extruding a sheath or cladding about a temperature sensitive core material wherein the melting point of the core material is lower than the temperature of the extruded sheath or cladding. The apparatus utilizes a cooling chamber separated from said extrusion die assembly to cool the core material prior to the core material entering the extrusion die assembly.
REFERENCES:
patent: 2385574 (1945-09-01), Hyprath
patent: 3469431 (1969-09-01), Deina
Beekel Eugene A.
Hickman Stephen L.
Brazeway, Inc.
Larson Lowell A.
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