The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 02, 2016
Filed:
May. 09, 2012
Cornelis Roelof Jonker, Springs, ZA;
David Christian Bowes, Springs, ZA;
Thembinkosi Shabalala, Springs, ZA;
Nedret Can, Didcot, GB;
Cornelis Roelof Jonker, Springs, ZA;
David Christian Bowes, Springs, ZA;
Thembinkosi Shabalala, Springs, ZA;
Nedret Can, Didcot, GB;
Element Six Abrasives S.A., Luxembourg, LU;
Abstract
A tip for a degradation tool, the tip comprising a PCD structure () joined to a cemented carbide substrate (); the PCD structure comprising a plurality of strata () arranged so that adjacent strata have alternating compressive and tensile stress states, adjacent strata comprising different PCD grades and being directly bonded to each other by inter-growth of diamond grains; each stratum having a mean thickness of at most 500 microns; the PCD structure defining a working end including a rounded conical apex () having a radius of curvature of 1.3 mm to 4 mm.