Title:
SINTERED BODY, SIZING DEVICE, AND METHOD FOR MANUFACTURING SINTERED BODY
Document Type and Number:
WIPO Patent Application WO/2021/250791
Kind Code:
A1
Abstract:
This cylindrical sintered body is composed of a metal, wherein either the inner circumferential surface or the outer circumferential surface of the sintered body has: a plurality of diagonal teeth that are aligned in the circumferential direction of the sintered body; and sizing marks provided on at least a part of a tooth bottom surface, a tooth surface, or a tooth crest surface of the diagonal teeth, wherein the tooth profile error of the diagonal teeth is 6 μm or less, and the tooth trace error of the diagonal teeth is 27 μm or less.
Inventors:
HARA JUNPEI (JP)
SAKAMOTO SEIJI (JP)
SAKAMOTO SEIJI (JP)
Application Number:
PCT/JP2020/022746
Publication Date:
December 16, 2021
Filing Date:
June 09, 2020
Export Citation:
Assignee:
SUMITOMO ELECTRIC SINTERED ALLOY LTD (JP)
International Classes:
B22F3/24; B22F5/06
Foreign References:
| JPH10305344A | 1998-11-17 | |||
| JPH1177226A | 1999-03-23 |
Attorney, Agent or Firm:
YAMANO Hiroshi et al. (JP)
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