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. 05, 1991
Filed:
Aug. 15, 1989
Klaus Tank, Essexwold, Johannesburg, Transvaal, ZA;
Peter Tomlinson, Mondeor, Johannesburg, Transvaal, ZA;
Richard P Burnand, Alan Manor Johannesburg, Transvaal, ZA;
Other;
Abstract
A tool insert having a cemented carbide substrate with a recess formed in one end of the substrate and having an abrasive compact located in the recess and bonded to the substrate. The cemented carbide substrate has two ends joined by a side, and the recess formed in the substrate has a side and a base, with the side sloping inwards towards a center point of the base. The abrasive compact includes a top surface which provides a cutting surface or edge for the tool insert, a bottom surface which is complementary to the base of the recess, and a side surface which is complementary to the side of the recess.