Method for the continuous extrusion of metals

Details Method for the continuous extrusion of metals Method for the continuous extrusion of metals

1997-03-17

2000-03-28

Hail, III, Joseph J.

Metal deforming

By extruding through orifice

By rotating impeller means

B21C 2300

Patent

active

060416386

ABSTRACT:
The invention relates to a method for the continuous extrusion of a metallic material, in which extrusion process the feedstock to be extruded is fed into the extrusion apparatus (4) by means of a feed member (2) advantageously provided with a groove on its outer circumference and a cooperating shoe (3) installed in said groove. According to the invention, the feed member (2) and the shoe (3) are adjusted at a desired distance from each other. In order to essentially maintain said desired distance and to eliminate the extrusion forces, the position of the shoe (3) in relation to the feed member (2) is maintained by means of an extrusion member (8) connected to the shoe (3).

REFERENCES:
patent: 4044587 (1977-08-01), Green et al.
patent: 4523444 (1985-06-01), Fuchs, Jr.
patent: 4564347 (1986-01-01), Vaughan
patent: 4650408 (1987-03-01), Anderson et al.
patent: 5157955 (1992-10-01), Hawkes et al.

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