Patent · US Expired

Wire drawing dies of polycrystalline CVD diamond with boron dopant atoms

US5648139A · kind A · utility

4Cited by
4References
7Claims
0Family size

Inventors

Key dates

Filing dateJan 10, 1992
Grant dateJul 15, 1997
Priority date—
Expiry dateJan 10, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/30
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A wire drawing die comprises a polycrystalline CVD diamond layer having a hole formed therethrough and mounted in a support.

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