Extrusion method with gas evacuation, and extrusion press

Details Extrusion method with gas evacuation, and extrusion press Extrusion method with gas evacuation, and extrusion press

1993-11-24

1995-08-29

Larson, Lowell A.

Metal deforming

By extruding through orifice

Container and/or support therefor

B21C 2700

Patent

active

054450047

ABSTRACT:
In a billet-fed extrusion press, the movement of the container towards and against the die contained in the die slide at the beginning of an extrusion operation is opposed by auxialiary jacks (40), which maintain a gap of small thickness between the container and the die, so as to allow the escape of gas, until a predetermined thrust onto the container itself is reached.

REFERENCES:
patent: 2822087 (1958-02-01), Lorant
patent: 3867828 (1975-02-01), Kent et al.

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