Process and equipment for the commercial indirect extrusion of l

Details Process and equipment for the commercial indirect extrusion of l Process and equipment for the commercial indirect extrusion of l

1978-06-08

1980-06-24

Hall, Carl E.

Metal deforming

By extruding through orifice

72254, 72263, 72270, 72272, B21C 2332, B21C 2700, B21C 3300, B21C 3504

Patent

active

042088976

ABSTRACT:
A process and device allows long as-cast billets to be extruded, with the help of a container which is divided into at least two segments which can be opened and closed radially with respect to the main axis. In the closed position, the segments grip the part of the billet inside the container and, as a result of a relative movement between a die mounted on a hollow stem, the said die is forced into a length of the billet inside the container as a result of which at least one section is extruded. On opening the segments, the billet is advanced to fill the container again whereupon the segments close, clamping onto the billet, and the extrusion sequence is repeated.

REFERENCES:
patent: 3520164 (1970-07-01), Pennell et al.
patent: 3526119 (1970-09-01), Wassen
patent: 3538730 (1970-11-01), Alexander et al.
patent: 3563080 (1971-02-01), Alexander et al.
patent: 3577759 (1971-05-01), Tandler et al.
patent: 3736786 (1973-06-01), Wagner
patent: 4010046 (1977-03-01), Setzer et al.
patent: 4106320 (1978-08-01), Pardoe

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