Patent · US Expired

Tool component

US4941892A · kind A · utility

0Cited by
5References
9Claims
0Family size

Inventors

Key dates

Filing dateJul 13, 1988
Grant dateJul 17, 1990
Priority date
Expiry dateJul 13, 2008

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B10/567
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A tool component comprises an abrasive compact bonded to a support which itself is bonded through an alloy to an elongate cemented carbide pin. The alloy has a liquidus below 900.degree. C. and the following composition, by weight: ______________________________________ Mn 15-41% Cu 67-41% Ni 1-5% Au 10-17% ______________________________________ and at least one of In, Sn, Zn and Ag, the In and Sn, when present, being in an amount not exceeding 20% by weight and the Zn and Ag, when present, being in an amount not exceeding 30% by weight. The shear strength of the bond achieved between the support and the pin exceeds 335 MPa.

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