Title:
HOLLOW POWER TRANSMISSION SHAFT
Document Type and Number:
WIPO Patent Application WO/2006/030709
Kind Code:
A1
Abstract:
[PROBLEMS] A hollow power transmission shaft in which strength of pipe during processing is increased to make the pipe less likely to form cracks during processing. [MEANS FOR SOLVING PROBLEMS] A pipe (P) made of a steel material is subjected to normalizing to improve its workability as a raw material and obtain uniform strength. This can make the pipe less likely to crack during splining and rolling.
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Inventors:
SAKURAI KATSUHIRO (JP)
NAKAGAWA TORU (JP)
NAKAGAWA TORU (JP)
Application Number:
PCT/JP2005/016624
Publication Date:
March 23, 2006
Filing Date:
September 09, 2005
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
SAKURAI KATSUHIRO (JP)
NAKAGAWA TORU (JP)
SAKURAI KATSUHIRO (JP)
NAKAGAWA TORU (JP)
International Classes:
F16C3/02; B21H5/00; B21K1/10; F16D1/06; F16D3/20
Foreign References:
| JPH11101259A | 1999-04-13 | |||
| JPH05320748A | 1993-12-03 | |||
| EP0707157A1 | 1996-04-17 | |||
| DE4220625C1 | 1993-06-03 | |||
| EP1262671A1 | 2002-12-04 |
Other References:
See also references of EP 1790864A4
Attorney, Agent or Firm:
Ehara, Syogo (15-26 Edobori 1-chome, Nishi-k, Osaka-shi Osaka, JP)
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