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:
Oct. 01, 1996
Filed:
Dec. 11, 1995
Applicant:
Inventors:
Klaus Tank, Essexwold, Johannesburg, Transvaal, ZA;
Peter N Tomlinson, Mondeor, Johannesburg, Transvaal, ZA;
Oliver F Damm, Pretoria, Transvaal, ZA;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C / ;
U.S. Cl.
CPC ...
384492 ; 428408 ;
Abstract
A diamond-bearing assembly comprises opposed diamond-bearing surfaces, at least one of which is free of any Group VIII metals such as cobalt. Preferably, each of the surfaces is provided by a surface of a diamond compact, such diamond compact containing substantial diamond-to-diamond bonding, and a second phase which contains silicon in the form of silicon and/or silicon carbide.