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:
Nov. 05, 2013
Filed:
Aug. 06, 2010
Nephi M. Mourik, Provo, UT (US);
Peter T. Cariveau, Draper, UT (US);
Federico Bellin, The Woodlands, TX (US);
Yi Fang, Provo, UT (US);
Nephi M. Mourik, Provo, UT (US);
Peter T. Cariveau, Draper, UT (US);
Federico Bellin, The Woodlands, TX (US);
Yi Fang, Provo, UT (US);
Smith International, Inc., Sugar Land, TX (US);
Abstract
An insert for a drill bit may include a metallic carbide body; an outer layer of polycrystalline diamond material on the outermost end of the insert, the polycrystalline diamond material comprising a plurality of interconnected first diamond grains and a first binder material in interstitial regions between the interconnected first diamond grains; and at least one transition layer between the metallic carbide body and the outer layer, the at least one transition layer comprising a composite of second diamond grains, first metal carbide particles, and a second binder material, wherein the second diamond grains have a larger grain size than the first diamond grains.