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:
Feb. 03, 1998
Filed:
Jun. 27, 1996
Applicant:
Inventors:
Deepak G Bhat, Troy, MI (US);
Darrell Johnson, Rochester Hills, MI (US);
Stephen L Bennett, Rochester Hills, MI (US);
Assignee:
Valenite Inc., Madison Heights, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B26B / ;
U.S. Cl.
CPC ...
30350 ; 3034654 ;
Abstract
Methods for producing an adherent diamond film on a cemented metal carbide substrate are disclosed. Particularly, the present invention discloses methods of preparing the surface of a cemented metal carbide surface such that an adherent polycrystalline diamond coating may be deposited thereon using CVD techniques. Cutting tool inserts produced from such adherent diamond film coated cemented metal carbide articles are also disclosed.