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.

Date of Patent:
May. 10, 2016

Filed:

Jul. 25, 2012
Applicants:

Matthew Alan Sanan, Springs, ZA;

Cornelis Roelof Jonker, Springs, ZA;

Inventors:

Matthew Alan Sanan, Springs, ZA;

Cornelis Roelof Jonker, Springs, ZA;

Assignee:

Element Six Abrasives S.A., Luxembourg, LU;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21C 35/183 (2006.01); E21C 35/18 (2006.01); E21B 10/567 (2006.01); E21B 10/573 (2006.01);
U.S. Cl.
CPC ...
E21C 35/18 (2013.01); E21B 10/5673 (2013.01); E21B 10/5735 (2013.01); E21C 35/183 (2013.01);
Abstract

Tips for pick tools and pick tools comprising same are provided. The tip comprises an impact structure formed joined at a non-planar boundary surface of a substrate. The boundary surface includes a depression. The impact structure comprises super-hard material and has a working end including an apex opposite the depression. The boundary surface of the substrate comprises a ridge at the periphery of the depression and a generally tapered circumferential region depending away from the ridge towards a side of the tip, a lowest point of the depression being directly opposite the apex.


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