Patent · US Expired

Cemented carbide tool and method of making

US6998173B2 · kind B2 · utility

28Cited by
59References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 13, 2002
Grant dateFeb 14, 2006
Priority date
Expiry dateApr 7, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/249987
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A coated cemented carbide tool, and a method for making the same, wherein the as-sintered substrate is formed by sintering in an atmosphere having at least a partial pressure and for a part of the time a nitrogen partial pressure.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.