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Title:
ULTRASONIC INSPECTION METHOD AND DEFECT DETECTION METHOD FOR ROLLING BEARING
Document Type and Number:
WIPO Patent Application WO/2006/030787
Kind Code:
A1
Abstract:
An ultrasonic inspection method inspecting the raceway surface (4a) of an outer ring (4) which is a surface to be inspected and a defect detection method. In the ultrasonic inspection method, after the surface to be inspected is polished for finishing, an ultrasonic inspection is performed with a liquid hydrocarbon (2) including kerosene as an ultrasonic transmission medium.

Inventors:
KIUCHI AKIHIRO
Application Number:
PCT/JP2005/016846
Publication Date:
March 23, 2006
Filing Date:
September 13, 2005
Export Citation:
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Assignee:
NSK LTD (JP)
KIUCHI AKIHIRO
International Classes:
G01N29/04
Domestic Patent References:
WO2003060507A12003-07-24
Foreign References:
JPH11337530A1999-12-10
JPH03163354A1991-07-15
JPS461246A
JP2002148242A2002-05-22
JPH06341441A1994-12-13
JP2004045095A2004-02-12
JP2000266735A2000-09-29
JPH10332646A1998-12-18
JP2002296247A2002-10-09
JP2000046812A2000-02-18
JPH0694683A1994-04-08
JP2002207028A2002-07-26
JPH085616A1996-01-12
JPS63277963A1988-11-15
JPH06258302A1994-09-16
Other References:
See also references of EP 1801577A4
Attorney, Agent or Firm:
Oguri, Shohei (7-13 Nishi-Shimbashi 1-chom, Minato-ku Tokyo 03, JP)
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