Patent · US Active

Attack tool

US7384105B2 · kind B2 · utility

77Cited by

116References

19Claims

0Family size

Inventors

David R. Hall · Provo, US
Ronald B. Crockett · Payson, US
Jeff Jepson · Spanish Fork, US

Key dates

Filing date	Aug 11, 2006
Grant date	Jun 10, 2008
Priority date	—
Expiry date	Aug 11, 2026

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21C35/1831
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

In one aspect of the invention, an attack tool is disclosed which has a wear-resistant base suitable for attachment to a driving mechanism, a first cemented metal carbide segment brazed to the base at a first interface, and a second metal carbide segment brazed to the first carbide segment at a second interface opposite the base. The attack tool also having a braze material disposed in the second interface with 30 to 62 weight percent of palladium.

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