Method for extrusion

Details Method for extrusion Method for extrusion

1972-08-09

1977-06-14

Gilden, Leon

Metal deforming

By application of fluent medium, or energy field

By kinetic energy of fluid or field

72253R, 72261, 72377, 72468, B21D 2602, B21C 306

Patent

active

040289192

ABSTRACT:
Die arrangement for use with conventional and hydrostatic extrusion presses consisting of a first die for providing a first extruded section of a billet and a second die cooperating with the first die to further extrude said first extruded section to final shape. Successive dies beyond the second die are contemplated to provide successive step-wise extrusion for greater reductions, especially of large billets. The method of the invention comprises step-wise incremental sequential extrusion of the billet and extruded portions of the billet until the final shape is achieved.

REFERENCES:
patent: 723873 (1903-03-01), Howe
patent: 1922770 (1933-08-01), Kornbrath
patent: 3392562 (1968-07-01), Fuchs, Jr.
patent: 3415088 (1962-12-01), Alexander et al.

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