Method and apparatus for manufacturing extruded structural profi

Details Method and apparatus for manufacturing extruded structural profi Method and apparatus for manufacturing extruded structural profi

1975-06-11

1977-09-27

Lanham, C.W.

Metal working

Method of mechanical manufacture

Scrap recovering or utilizing

29420, B23Q 1700

Patent

active

040501426

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: 2391752 (1945-12-01), Stern
patent: 2967613 (1961-01-01), Ellis et al.
patent: 3626578 (1971-12-01), Price et al.

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