Multiple cylinder extrusion apparatus and method

Details Multiple cylinder extrusion apparatus and method Multiple cylinder extrusion apparatus and method

1988-02-16

1989-09-05

Spruill, Robert L.

Metal deforming

By extruding through orifice

Non-axial movement of die, ram, mandrel or container

72 38, 72272, B21C 2704, B21C 3300

Patent

active

048627216

ABSTRACT:
A structure comprised of a plurality of material cylinders, a ram head or heads for extrusion, and a mechanism for transferring the material cylinders into alignment with a ram head. The plural cylinders allow an operator to manually load one cylinder of a pair with extrusion material in preparation for an extrusion phase on that cylinder, while the other cylinder of the pair is being discharged by a suitable ram piston in the extrusion phase. A special de-airing mechanism is provided and a lateral shift system to align the respective cylinder selectively with a power extrusion ram. More than one pair of cylinders can be utilized.

REFERENCES:
patent: 1825343 (1931-09-01), Evans
patent: 3025959 (1962-03-01), Poleschuk
patent: 3182478 (1965-05-01), Asari
patent: 3898831 (1975-08-01), Kahlefeld

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