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:
Jul. 15, 2008
Filed:
Sep. 24, 2004
Tsutomu Hiroki, Nirasaki, JP;
Masayuki Noguchi, Gojo, JP;
Shinya Sakurai, Gojo, JP;
Tokyo Electron Limited, Tokyo, JP;
Nippon Valqua Industries, Ltd., Tokyo, JP;
Abstract
An object of the present invention is to make it possible to accurately and simply manage the performance deterioration and life duration of sealing rings and other various information about each sealing ring. As a means of achieving this object, a sealing ring according to the present invention is a sealing ringto be fitted to a face-to-face part of membersto thus seal a space between both members, comprising: a main body partthat is ring-shaped and is capable of becoming elastically deformed; and a circuit chipthat is attached unitedly to the main body partand has an information-transmitting meansfor transmitting the information with the outside of the sealing ring