High strength gear and method of producing the same
US6878218B2 · kind B2 · utility
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1References
17Claims
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Key dates
| Filing date | Feb 20, 2002 |
| Grant date | Apr 12, 2005 |
| Priority date | — |
| Expiry date | Apr 5, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/211
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A high strength gear is provided which comprises a base metal of an iron-base alloy, the base metal being carburized or carbonitrided and having a tooth surface, and a coating containing Fe nitride and/or Fe carbonitride, formed on the tooth surface. A method of forming a high strength gear is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.