Indirect extrusion press

Details Indirect extrusion press Indirect extrusion press

1980-09-02

1982-08-03

Larson, Lowell A.

Metal deforming

By extruding through orifice

With cutting

72263, 72270, 722735, B21C 2300, B21C 3300, B21C 3504

Patent

active

043422128

ABSTRACT:
A die stem and a billet-receiving sleeve extend rearwardly from an extrusion apparatus platen slide that is movable laterally from a first position in which the stem is aligned with a billet container passage behind it to a second position in which the sleeve is aligned with the passage. An extrusion stem behind the container is movable forward through the passage, and there is means behind the sleeve in the first position for pushing a hot billet into the sleeve. A die slide carried by the container and holding a die is movable laterally across the container from an inner position aligned with the container passage when the platen slide is in its first position to an outer position aligned with the die stem in the second position of the platen slide. In the sleeve there is means for pushing a billet out of the sleeve in the second position of the platen slide and into the container as the container is moved forward toward the sleeve.

REFERENCES:
patent: 2914171 (1959-11-01), Hoffman et al.
patent: 2954869 (1960-10-01), Swanson
patent: 3533265 (1970-10-01), Valks
patent: 3577759 (1971-05-01), Tandler et al.
patent: 4213318 (1980-07-01), Priebe

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