Retainer
US6790297B1 · kind B1 · utility
5Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 7, 2000 |
| Grant date | Sep 14, 2004 |
| Priority date | — |
| Expiry date | Sep 7, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S384/913
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A brass is a base material, and a material containing Mn and Si is cast to make a ring material. Ametallic structure in the cross section of the ring material is under a condition where an intermetallic compound Mn5Si3 is uniformly and finely scattered and precipitated in the base material (brass composed of &agr;- and &bgr;-phase). A machined retainer provided by matching said material has an excellent sizing precision, sound affect resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.