Squeeze bottle self-closing and venting dispensing valve

Details Squeeze bottle self-closing and venting dispensing valve Squeeze bottle self-closing and venting dispensing valve

1986-12-02

1988-05-31

Shaver, Kevin P.

Dispensing

With lock or fastening seal

Plural

215307, 222213, 222494, 222497, B05B 1104, B65D 4732

Patent

active

047475188

ABSTRACT:
A dispensing device for a squeeze bottle has an internal continuously circular vent valve seat. A continuously circular elastic vent valve has one side seating on the seat and an opposite side exposed to the inside of the device. The device has a self-closing dispensing valve which opens upon squeezing the bottle. The device has a lock to prevent unintentional opening of the dispensing valve.

REFERENCES:
patent: 2711271 (1955-06-01), Schlicksupp
patent: 3149757 (1964-09-01), Safianoff
patent: 3739941 (1973-06-01), Ostrwosky et al.
patent: 4162746 (1979-07-01), Anderson et al.
patent: 4163500 (1979-08-01), Gunne et al.
patent: 4226342 (1980-10-01), Laauwe
patent: 4474314 (1984-10-01), Roggenburg, Jr.
patent: 4625899 (1986-12-01), Stull

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