Die assembly for extruding hollow metallic articles

Details Die assembly for extruding hollow metallic articles Die assembly for extruding hollow metallic articles

1996-12-20

1998-09-29

Hail, III, Joseph J.

Metal deforming

By extruding through orifice

Expressing plural products

72269, B21C 2302

Patent

active

058132694

ABSTRACT:
The object of the present invention is to provide a die assembly of a compact structure adapted for simultaneously extruding two or more hollow metallic articles of a high precision in size and shape. A male die 2 has two apertures 15 in a bridge 13 of a core holder 6 and two cores 5 respectively inserted in the aperture 15, and a female die 3 has two bearing edges 21 to contour an outer periphery of a hollow article `E`. When the male die 2 combines with the female die 3, a plurality of forming slots 22 are independently formed in one die assembly.

REFERENCES:
patent: 4080816 (1978-03-01), Ames et al.

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