Apparatus for manufacturing extruded structural profiles from al

Details Apparatus for manufacturing extruded structural profiles from al Apparatus for manufacturing extruded structural profiles from al

1977-05-31

1978-10-03

Combs, E. M.

Metal deforming

With exposure of work to gas, vapor, mist, or modified...

29403, 72263, 72270, B21C 2301, B21C 2304

Patent

active

041177037

ABSTRACT:
Aluminum or aluminum alloy scraps or wastes are broken into chips and extruded under a high temperature to produce extruded structural profiles. The method is characterized by the fact that the interior of the extruder is evacuated prior to or simultaneously with the extrusion step so as to exhaust air entrapped in the body of the chips. There is also disclosed apparatus suitable for performing the method.

REFERENCES:
patent: 2738063 (1956-03-01), Billen
patent: 2954869 (1960-10-01), Swanson
patent: 3164253 (1965-01-01), Muller

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