Title:
SINTERED METAL BEARING
Document Type and Number:
WIPO Patent Application WO/2013/141205
Kind Code:
A1
Abstract:
Provided is a sintered metal bearing formed from a starting material power of which a copper based powder and an iron based powder are principal components, and having a radial bearing surface on the inside periphery, wherein the copper based powder used is one in which an ultrafine copper powder of a particle size distribution in which the proportion of particles less than 45 µm in diameter is 80 wt% or more constitutes one-third or more, expressed as ratio by weight, of the total copper based powder; and the compact obtained by compaction molding of the starting material power is sintered at 900ºC to 1000ºC inclusive.
Inventors:
HORI MASAHARU (JP)
AKAI HIROSHI (JP)
KURIMURA TETSUYA (JP)
ITO FUYUKI (JP)
AKAI HIROSHI (JP)
KURIMURA TETSUYA (JP)
ITO FUYUKI (JP)
Application Number:
PCT/JP2013/057660
Publication Date:
September 26, 2013
Filing Date:
March 18, 2013
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
HORI MASAHARU (JP)
AKAI HIROSHI (JP)
KURIMURA TETSUYA (JP)
ITO FUYUKI (JP)
HORI MASAHARU (JP)
AKAI HIROSHI (JP)
KURIMURA TETSUYA (JP)
ITO FUYUKI (JP)
International Classes:
F16C17/02; F16C33/14; F16C33/10
Domestic Patent References:
| WO2010106909A1 | 2010-09-23 | |||
| WO2012043140A1 | 2012-04-05 |
Foreign References:
| JP2002349575A | 2002-12-04 | |||
| JP2010043686A | 2010-02-25 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
Kunihiko Shiromura (JP)
Kunihiko Shiromura (JP)
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