Method and apparatus for heat treating a metal
US9109277B2 · kind B2 · utility
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8References
4Claims
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Key dates
| Filing date | Dec 28, 2011 |
| Grant date | Aug 18, 2015 |
| Priority date | — |
| Expiry date | Dec 28, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C8/36
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Described herein is a method that can be used for heat treating a metal in at least one of the following processes: carburizing, carbonitriding, nitrocarburizing, and neutral carbon potential annealing operations that are used in a 1 atmosphere pressure furnace and in an atmosphere that is oxygen free and comprises nitrogen and at least one hydrocarbon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.