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. 17, 1978
Filed:
Dec. 06, 1976
Applicant:
Inventors:
Toshio Nomura, Itami, JP;
Tsuyoshi Asai, Itami, JP;
Takaharu Yamamoto, Itami, JP;
Akio Hara, Itami, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F / ; C22C / ;
U.S. Cl.
CPC ...
75238 ; 75242 ; 75244 ; 75203 ; 75205 ;
Abstract
The present invention relates to a hard cemented carbonitride alloy for cutting tools, which comprises 97 to 75% by weight of a hard phase and 3 to 25% by weight of a binder metal, the hard phase consisting of metallic components of titanium as a main component, 5 to 40% by weight of one or more of tungsten and molybdenum and 3 to 40% by weight of tantalum and non-metallic components of carbon and nitrogen, the proportion of nitrogen being 5 to 40% by weight of the non-metallic components and the binder metal being at least one element selected from the group consisting of iron, cobalt and nickel.