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:
Mar. 03, 2009
Filed:
Mar. 19, 2003
Kazuhiko Sugiyama, Nirasaki, JP;
Keiko Hada, Nirasaki, JP;
Eiji Ideta, Osaka, JP;
Nobukazu Ikeda, Osaka, JP;
Naofumi Yasumoto, Osaka, JP;
Michio Yamaji, Osaka, JP;
Kazuhiko Sugiyama, Nirasaki, JP;
Keiko Hada, Nirasaki, JP;
Eiji Ideta, Osaka, JP;
Nobukazu Ikeda, Osaka, JP;
Naofumi Yasumoto, Osaka, JP;
Michio Yamaji, Osaka, JP;
Fujikin Incorporated, Osaka-Shi, JP;
Abstract
A pipe joint comprises a first joint member of synthetic resin having an annular recessed portion in an end face thereof, and a second joint member of synthetic resin having an annular ridge on an end face thereof. The ridge is fitted in the opening of the recessed portion, with a synthetic resin gasket fitted in the recessed portion. When the pipe joint is properly tightened up, the outer surface of the ridge of the second joint member is pressed against the inner surface of the recessed portion of the first joint member with the gasket interposed therebetween in intimate contact with the surfaces approximately over the entire areas thereof.