Patent · US Active

High impact resistant tool

US8365845B2 · kind B2 · utility

11Cited by

117References

18Claims

0Family size

Inventors

David R. Hall · Provo, US
Ronald B. Crockett · Payson, US
Casey Webb · Spanish Fork, US
Michael Beazer · Provo, US

Key dates

Filing date	Oct 5, 2011
Grant date	Feb 5, 2013
Priority date	—
Expiry date	Oct 5, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T408/81
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

In one aspect of the present invention, a high impact resistant tool comprises a sintered polycrystalline diamond body bonded to a cemented metal carbide substrate at an interface, the body comprising a substantially pointed geometry with an apex, the apex comprising a curved surface that joins a leading side and a trailing side of the body at a first and second transitions respectively, an apex width between the first and second transitions is less than a third of a width of the substrate, and the body also comprises a body thickness from the apex to the interface greater than a third of the width of the substrate.

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