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:
Jun. 30, 2015

Filed:

May. 18, 2011
Applicants:

Habib Saridikmen, Edenvale, ZA;

Iain Patrick Goudemond, Gauteng, ZA;

Antionette Can, Gauteng, ZA;

Roger William Nigel Nilen, Gauteng, ZA;

Clement David Van Der Riet, Spring, TX (US);

Inventors:

Habib Saridikmen, Edenvale, ZA;

Iain Patrick Goudemond, Gauteng, ZA;

Antionette Can, Gauteng, ZA;

Roger William Nigel Nilen, Gauteng, ZA;

Clement David van der Riet, Spring, TX (US);

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24D 3/00 (2006.01); B01J 3/06 (2006.01); B24D 18/00 (2006.01); B24D 99/00 (2010.01);
U.S. Cl.
CPC ...
B24D 18/0009 (2013.01); B24D 99/005 (2013.01);
Abstract

A method for making a polycrystalline diamond (PCD) construction comprises providing a cemented carbide substrate comprising carbide grains cemented together by a cement material, subjecting the substrate to a first pressure treatment, treating the substrate to remove at least some of the cement material from at least a region of the substrate adjacent a boundary defined by the substrate, and subjecting the substrate to a second pressure treatment, in contact with or bonded at the boundary to a diamondiferous structure.


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