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:
Aug. 22, 1978
Filed:
Aug. 17, 1976
Applicant:
Inventors:
Kazuki Ogawa, Fukuoka, JP;
Mitsue Koizumi, Toyonaka, JP;
Mitsuhiko Furukawa, Fukuoka, JP;
Yoshimichi Hara, Fukuoka, JP;
Takashi Kitahira, Fukuoka, JP;
Assignee:
Nippon Tungsten Co., Ltd., Fukuoka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F / ; B22F / ;
U.S. Cl.
CPC ...
75223 ; 75226 ; 7520 / ; 264 62 ; 264 56 ; 428558 ; 428 74 ;
Abstract
A new hot isostatic pressing method produces sintered material having a very fine structure as well as uniform properties by forming a unique capsule such as a titanium capsule of metal over a presintered material for sintering a ceramic cutting tool material is disclosed.