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:
Dec. 11, 2012
Filed:
Mar. 31, 2010
Christian James Truemner, Elkton, MI (US);
Suresh Vagarali, Columbus, OH (US);
Christian James Truemner, Elkton, MI (US);
Suresh Vagarali, Columbus, OH (US);
Diamond Innovations, Inc., Worthington, OH (US);
Abstract
Cutting elements having a substrate and a layer of superhard material sintered to the substrate are disclosed. The layer includes a working surface at a first surface. From the interface of the layer with the substrate, a reaction zone extends into the layer toward the working surface and a binder metal depletion zone extends into the substrate toward a base surface. The layer of superhard material has a composition including chromium or an alloy thereof. Also disclosed is an abrasive compact having a body with a composition including (i) a superhard material, (ii) a metal from a grain growth inhibitor or a metal from a metallic carbide other than WC, and (iii) an iron group binder metal. Cutting elements incorporating the abrasive compact, and drill bits incorporating abrasive compacts and cutting elements are also disclosed as well as methods of manufacture and methods of cutting material.