Title:
連続押出しを行なう方法および装置
Document Type and Number:
Japanese Patent JP2007537875
Kind Code:
A
Abstract:
The invention relates to a method for performing continuous extrusion of a metallic material, such as copper, so that the material to be extruded ( 1 ) is fed in the extrusion member ( 4 ) by means of a feed member ( 3 ) provided with a groove on its peripheral wall ( 2 ) and by an abutment ( 5 ) arranged in said groove, so that the groove ( 8 ) is protected against oxidation by arranging for at least part of the peripheral wall ( 2 ) of the feed member ( 3 ) a gas-protecting member ( 7 ). The invention also relates to said equipment.
Inventors:
Ray Ponen, Matty
Application Number:
JP2006516226A
Publication Date:
December 27, 2007
Filing Date:
June 14, 2004
Export Citation:
Assignee:
Rubata salmon yukichu
International Classes:
B21C23/21; B21C23/00
Attorney, Agent or Firm:
Takao Katori