Patent · US Active

Super-hard tip for a pick tool and pick tool comprising same

US9234423B2 · kind B2 · utility

1Cited by

12References

13Claims

0Family size

Assignees

ELEMENT SIX ABRASIVES S.A. · LU
Element Six Limited · IE

Inventors

PETER ROBERT BUSH · Woodstock, GB
Bernd Heinrich Ries · Hünfeld, DE
Robert Fries · Rosebank, ZA
Cornelis Roelof Jonker · Randburg, ZA

Key dates

Filing date	Dec 12, 2012
Grant date	Jan 12, 2016
Priority date	—
Expiry date	Dec 12, 2032

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21C35/1835
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A strike tip for a pick tool, comprising a strike structure joined to a substrate at an interface boundary, the strike structure comprising super-hard material and the substrate comprising carbide material. The strike structure has a strike end opposite the interface boundary, the strike end including a rounded apex having a radius of curvature in a longitudinal plane of at least 3.2 mm and at most 6 mm.

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