Patent · US Expired

Diamond tools for rock drilling and machining

US4764434A · kind A · utility

94Cited by
23References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 26, 1987
Grant dateAug 16, 1988
Priority date
Expiry dateJun 26, 2007

Classification

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

Abstract

A polycrystalline diamond tool comprising a diamond layer is bonded to a support body having a complex, non-plane geometry by means of a thin more than 3 .mu.m continuous layer of a refractory material applied by PVD or CVD technique.

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