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:
Sep. 06, 1994
Filed:
Dec. 20, 1991
Applicant:
Inventors:
Ken-ichi Kajiwara, Tokyo, JP;
Kikuichi Mori, Tokyo, JP;
Assignee:
Ebara Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428 344 ; 428 346 ; 428 347 ; 428 368 ; 428 3691 ; 428492 ; 428688 ; 428689 ; 428698 ; 138140 ; 138141 ; 415120 ;
Abstract
A shaft sleeve is made of ceramics and provided in confrontation with a stationary sliding member in a sliding bearing or plain bearing. The shaft sleeve made of ceramics comprises a cylindrical body made of ceramics and having a circular outer surface and a circular inner surface, and an elastic member molded on the inner surface of the cylindrical body and being formed with an inner opening having a shape corresponding to the cross section of a shaft. The shaft sleeve is usable under high temperature conditions and with liquids containing much slurry such as, for example, as a shaft sleeve of a pump.