Pump for dispensing liquid from a container

Details Pump for dispensing liquid from a container Pump for dispensing liquid from a container

1989-12-22

1992-04-28

Shaver, Kevin P.

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

222542, B67D 300, B67D 540

Patent

active

051080133

ABSTRACT:
A sealing assembly for use in a liquid dispensing device having means for dispensing liquid from a container as disclosed. The container has a radially protruding flange with a generally vertical sidewall. The assembly comprises a sealing collar having a resilient deformable body having a central aperture for receiving the dispensing means, such as a pump. The body includes in its periphery a circular sealing ring having an annular outer sidewall which includes a wedge-shaped tapered sealing member. The tapered surface has a diameter progressively increasing over a range which encompasses the sidewall diameter when the sealing member is mounted on the flange, the tapered surface is driven into contact with the bottle flange sidewall to provide a liquid and airtight seal between the tapered flange and the container flange. A mounting cup have a central aperture for receiving the dispensing means, forces the tapered surface into contact with the container flange.

REFERENCES:
patent: 3539083 (1970-11-01), Prussin et al.
patent: 4308965 (1982-01-01), Dutt
patent: 4461393 (1984-07-01), Dutt

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