Patent · US Active

Method and apparatus for heat treating a metal

US9109277B2 · kind B2 · utility

0Cited by
8References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 28, 2011
Grant dateAug 18, 2015
Priority date
Expiry dateDec 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.