Apparatus for extrusion of tubes

Details Apparatus for extrusion of tubes Apparatus for extrusion of tubes

1977-03-30

1978-08-08

Lanham, C.W.

Metal deforming

By extruding through orifice

Utilizing internal forming means

72273, B21C 2308, B21C 2508, B21C 2600

Patent

active

041049039

ABSTRACT:
An improved construction of an extrusion press for producing an extruded tube is disclosed, the press including a billet chamber and a ram adapted to drive a billet through the billet chamber, a sizing means comprising an annular die, and a mandrel for sizing the wall thickness of the tube. The improved construction including a mandrel support means attached to and concentrically extending from the front face of the mandrel for maintaining continuous coaxial alignment of the mandrel with the die, prior to and during the extrusion operation.

REFERENCES:
patent: 571332 (1896-11-01), Bicheroux
patent: 603787 (1898-05-01), Holinger
patent: 1743687 (1930-01-01), Robertson
patent: 2904830 (1959-09-01), Mulrooney, Jr.
patent: 3263468 (1966-08-01), Rowell

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