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:
Jan. 28, 1986
Filed:
Sep. 20, 1983
Applicant:
Inventors:
Tamotsu Akashi, Chita, JP;
Masatada Araki, Handa, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
75244 ; 75238 ; 75233 ;
Abstract
A high density boron nitride-containing sintered body consisting of 60-95% by volume of high density boron nitride and 40-5% by volume of metal alone or in admixture with a ceramic, which high density boron nitride consists of 60-95% by volume of cubic system boron nitride and 40-5% by volume of wurtzite-structured boron nitride, and which cubic system boron nitride has an average particle size of at least 5 times that of the wurtzite-structured boron nitride. The sintered body has a high cutting performance and is suitable as a cutting tool for chilled roll, ultra-heat resisting alloy, cast iron and the like.