Method and apparatus for extrusion

Details Method and apparatus for extrusion Method and apparatus for extrusion

B - Operations, Transporting

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B21D 26/02 (2006.01) B21C 23/00 (2006.01) B21C 23/03 (2006.01) B21C 23/08 (2006.01) B21C 25/00 (2006.01)

Patent

CA 1055890

METHOD AND APPARATUS FOR EXTRUSION ABSTRACT Die arrangement for use with conventional and hydro- static extrusion presses consisting of a first die fox 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.

268090

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