O-Ring for sealing between fuel cap and filler neck of automobil

Details O-Ring for sealing between fuel cap and filler neck of automobil O-Ring for sealing between fuel cap and filler neck of automobil

1983-06-27

1984-07-17

Hall, George T.

Receptacles

Closures

Removable closure guided in rotary movement

220DIG33, 296 1C, B65D 5300

Patent

active

044601042

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.

REFERENCES:
patent: 4065026 (1977-12-01), Williams et al.
patent: 4072245 (1978-02-01), Sloan, Jr.
patent: 4102472 (1978-07-01), Sloan, Jr.
patent: 4142756 (1979-03-01), Henning et al.
patent: 4228915 (1980-10-01), Hooper et al.

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