Container for dispensing liquid under constant head

Details Container for dispensing liquid under constant head Container for dispensing liquid under constant head

1980-02-27

1982-05-11

Tollberg, Stanley H.

Dispensing

Automatic control

Temperature responsive or soluble controller

2224815, B67D 528

Patent

active

043289096

ABSTRACT:
A dispensing container comprising a wall, a base, and a top is used in an inverted condition and is closed, but for an outlet in the top from which liquid can be dispensed and an inlet to allow only sufficient air to bleed into the container to make up for liquid dispensed from the container so that the liquid will be dispensed from the container under constant head. In one arrangement, the inlet comprises a tube extending from the bottom to close to the top of the container with a one-way valve arrangement close to the bottom of the container to permit venting of the head space through the one-way valve arrangement in the event of a pressure build-up in the head space. In an alternative arrangement, the inlet comprises a tube extending from the top of the container to close to the bottom of the container and a valve closing flow of air through the tube, the tube permitting a flow of air to make up for material dispensed.

REFERENCES:
patent: 2738105 (1956-03-01), Wolfer et al.

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