Process and device for manufacturing a section, in particular a

Details Process and device for manufacturing a section, in particular a Process and device for manufacturing a section, in particular a

1986-10-02

1987-11-03

Larson, Lowell A.

Metal deforming

By extruding through orifice

By plural impellers operating into one extrusion chamber

72269, 72272, B21C 2502, B21C 2504, B21C 2700, B21C 2304

Patent

active

047036427

ABSTRACT:
A process and device for manufacturing a section, in particular a hollow section, especially from light metal billets. To this end a plurality of billets is simultaneously forced through the shape-giving cross-section of a die and united to form the matrix metal for the section. For this purpose at least two bores in the container are aligned with the shape-giving cross-section of the die.

REFERENCES:
patent: 89326 (1869-04-01), Merrie
patent: 814731 (1906-03-01), Robertson
patent: 2991877 (1961-07-01), Knapp et al.
patent: 3347079 (1967-10-01), Rowell
patent: 3394579 (1968-07-01), Hall et al.
patent: 3527079 (1970-09-01), Braeuninger
patent: 3786665 (1974-01-01), Creuzet
patent: 4159560 (1979-07-01), Wagner
patent: 4169366 (1979-10-01), Ames
patent: 4277968 (1981-07-01), Pardoe

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