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:
Mar. 20, 2012
Filed:
Oct. 12, 2007
David R. Hall, Provo, UT (US);
Ronald B. Crockett, Payson, UT (US);
John Bailey, Spanish Fork, UT (US);
Jeff Jepson, Spanish Fork, UT (US);
David R. Hall, Provo, UT (US);
Ronald B. Crockett, Payson, UT (US);
John Bailey, Spanish Fork, UT (US);
Jeff Jepson, Spanish Fork, UT (US);
Schlumberger Technology Corporation, Houston, TX (US);
Abstract
In one aspect of the present invention, a high impact resistant tool has a superhard material bonded to a cemented metal carbide substrate at a non-planar interface. The cemented metal carbide substrate is bonded to a front end of a cemented metal carbide segment. A stem formed in the base end of the carbide segment opposite the front end is press fit into a bore of a steel body. The steel body is rotationally fixed to a drum adapted to rotate about its axis.