Title:
NUT BEARING SURFACE UNIFORM PRESSING DEVICE FOR LIGHT ALLOY WHEEL
Document Type and Number:
Japanese Patent JPH07266143
Kind Code:
A
Abstract:
PURPOSE: To provide a device in which the force of pressing a wheel nut bearing surface of plural punches is uniformed.
CONSTITUTION: An elastic member is provided between a single die plate 13 and plural punches, or a liquid pressure chamber 23 is provided in such a manner as to be communicated with them by a communicating path 24. Thus, the punches 17 uniformly press the nut bearing surface 6 to uniformly harden the whole nut bearing surface 6.
Inventors:
WATABE TSUNEO
SUZUKI KAORU
ABE KISHIRO
SUZUKI KAORU
ABE KISHIRO
Application Number:
JP5886194A
Publication Date:
October 17, 1995
Filing Date:
March 29, 1994
Export Citation:
Assignee:
TOPY IND
International Classes:
B23P9/02; (IPC1-7): B23P9/02
Attorney, Agent or Firm:
Nobuo Tabuchi
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