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. 24, 1993
Filed:
Jun. 11, 1992
Hideto Sonoda, Kitami, JP;
Toshiyuki Matsumoto, Kitami, JP;
Kyocera Corporation, Kyoto, JP;
Sanwa Denki Kogyo Co., Ltd., Tokyo, JP;
Abstract
An integrally-molded ceramic cylindrical alignment sleeve is composed of a cylindrical sleeve body and at least three convex portions located on the inner surface of the sleeve body, each of the convex portions extending from one end to the other in the longitudinal direction of the sleeve body, with the upper surface of each of the convex portions being formed in the shape of a reverse arc and the section where each of the convex portions connects to the inner surface of the sleeve body being in the shape of a continuous R. A method of producing this integrally-molded ceramic cylindrical alignment sleeve is disclosed.