Patent · US Active

High impact resistant tool with an apex width between a first and second transitions

US10029391B2 · kind B2 · utility

5Cited by
435References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 8, 2015
Grant dateJul 24, 2018
Priority date
Expiry dateFeb 28, 2036

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.