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. 17, 1984
Filed:
Jun. 27, 1983
Akira Kitsukawa, Ayase, JP;
Nihon Radiator Co., Ltd., Tokyo, JP;
Abstract
An O-ring for providing hermetic sealing between a fuel tank filler neck and its cap has a single main body with an integrally formed annular lip projecting outwardly from the main body; the lip has an inclined lower surface for contacting a corresponding inclined upper surface of said filler neck, such lower surface defining an angle of inclination .theta..sub.1 with respect to the horizontal principal extent of the O-ring body, the filler neck upper surface defining an angle of inclination .theta..sub.3 with respect to horizontal, .theta..sub.1 being substantially less than .theta..sub.3, the lip being deformable upon tightening of said cap to bring the lip lower surface into hermetically sealing contact with the filler neck upper surface.