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. 15, 1991
Filed:
Mar. 30, 1989
Applicant:
Inventors:
Yoshio Sohda, Kanagawa, JP;
Yasuji Ido, Kanagawa, JP;
Toshinori Nakamura, Hyogo, JP;
Takeshi Suemitsu, Hyogo, JP;
Assignees:
Nippon Oil Company, Limited, Tokyo, JP;
Kawasaki Heavy Industries, Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; C08L / ;
U.S. Cl.
CPC ...
264 292 ; 264 295 ; 264 297 ; 264500 ; 264510 ;
Abstract
A carbon/carbon composite is produced by impregnating a primary-formed product consisting essentially of carbon fibers and a carbonized or graphitized matrix with a carboneceous pitch, heat-treating the thus-impregnated primary-formed product under hot isostatic pressing and carbonizing or graphitizing the thus heat-treated primary-formed product.