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:
May. 22, 1984
Filed:
Jul. 19, 1982
Applicant:
Inventors:
Assignee:
Mitsubishi Kinzoku Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; C23C / ; C23C / ; C23C / ;
U.S. Cl.
CPC ...
428552 ; 427250 ; 4272552 ; 4272553 ; 4272557 ; 428553 ; 428564 ; 428627 ;
Abstract
A surface-coated blade member for cutting tools comprises a metal substrate of a super hard alloy and a coating on at least one surface of said substrate, said coating being composed of a layer of vapor deposited titanium on the surface of said metal substrate and at least one layer of vapor deposited titanium compound on said layer of titanium, and said layer of titanium compound being selected from the group consisting of titanium carbide, titanium nitride, titanium carbo-nitride, titanium oxy-carbide and titanium oxy-carbo-nitride, said layer of titanium being no larger than 2 .mu.m thick and said layer of titanium compound being 0.5 to 10 .mu.m thick.