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:
Dec. 02, 2014

Filed:

Oct. 27, 2011
Applicants:

Feng Yu, Pleasant Grove, UT (US);

Yi Fang, Provo, UT (US);

Inventors:

Feng Yu, Pleasant Grove, UT (US);

Yi Fang, Provo, UT (US);

Assignee:

Smith International, Inc., Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/46 (2006.01); C22C 29/08 (2006.01); B22F 3/12 (2006.01); E21B 10/573 (2006.01); C04B 37/02 (2006.01);
U.S. Cl.
CPC ...
B22F 3/12 (2013.01); C04B 2237/083 (2013.01); C22C 29/08 (2013.01); C04B 2237/363 (2013.01); C04B 2237/76 (2013.01); C04B 2237/72 (2013.01); C04B 2237/09 (2013.01); C04B 2237/592 (2013.01); C04B 2237/401 (2013.01); E21B 10/5735 (2013.01); C04B 37/026 (2013.01);
Abstract

A method of forming a cutting element is disclosed, wherein the method includes forming a substrate body, forming an intermediate layer on the substrate body, forming a diamond table, and positioning the diamond table on the intermediate layer, such that the intermediate layer is disposed between the substrate body and the diamond table. The intermediate layer has a base portion having a base height and a ring portion having a ring height H, wherein the intermediate layer has a height Hequal to the sum of the base height and ring height. The diamond table has a cutting layer having a cutting layer diameter Dand a cutting layer height Hand a protrusion having a protrusion diameter Dand a protrusion height H.


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