Cap with valve

Details Cap with valve Cap with valve

1992-03-25

1993-08-24

Shoap, Allan N.

Receptacles

Closures

Removable closure guided in rotary movement

220DIG33, 277206R, B65D 5300

Patent

active

052381366

ABSTRACT:
A cap with valve includes a cap body 1, a flange portion 5, and a gasket 11. The cap body 1 has an external threaded portion 2 for threadedly engaging a fuel supply inlet. The flange portion 5 extends outwardly in the radial direction from an upper portion of the cap body 1. The annular gasket 11 has a substantially circular cross-section, and is disposed on a sealing surface of the flange portion 5. This gasket 11 has a projecting portion 15A in contact with flange portion 5 and this projecting portion extends along the entire circumference of the toroidal gasket 11. The projecting portion 15 A absorbs surface irregularities on flange portion 5 thus eliminating the need for additional manufacturing steps, such as grinding, thereby reducing the manufacturing cost of the cap with valve.

REFERENCES:
patent: 2733831 (1956-02-01), Nehls
patent: 4102472 (1978-07-01), Sloan, Jr.
patent: 4460104 (1984-07-01), Kitsukawa
patent: 4572386 (1986-02-01), Kasugai et al.
patent: 4588102 (1986-05-01), Kasugai

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