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:
Jun. 25, 1985
Filed:
Sep. 08, 1982
Applicant:
Inventor:
Reuven Porat, Nahariya, IL;
Assignee:
Iscar Limited, North Nahariya, IL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428216 ; 428220 ; 428336 ; 428472 ; 428698 ; 428701 ;
Abstract
A sintered hard metal product, e.g. a disposable cutting insert for use in the machining of metals, consisting of a cemented metal carbide substrate and a thin wear-resistant surface coating comprising a plurality of coating layers of different compositions applied on to at least a part of the surface of said substrate and on top of each other by chemical vapor deposition, characterized in that said coating layers include: