Title:
EXTRUDING DIE
Document Type and Number:
Japanese Patent JPH0557338
Kind Code:
A
Abstract:
PURPOSE: To provide an extruding die capable of adjusting easily and quantitatively a metal flow without damaging the die body.
CONSTITUTION: A metal flow adjusting rib 3 is formed at the neighborhood of a bearing part 2 on the inflow side of an extruding material in an extruding die 1. As occasion demands, this rib 3 is cut off gradually from the tip side to adjust the metal flow.
Inventors:
KAERIYAMA HIDEJI
OKUBO KUNIO
OKUBO KUNIO
Application Number:
JP22617691A
Publication Date:
March 09, 1993
Filing Date:
September 05, 1991
Export Citation:
Assignee:
SHOWA ALUMINUM CORP
International Classes:
B21C25/02; (IPC1-7): B21C25/02
Attorney, Agent or Firm:
Yasuhisa Kurose (2 outside)
Next Patent: MANUFACTURE OF METAL TUBE AND APPARATUS THEREFOR