Container for storing and metering liquids

Details Container for storing and metering liquids Container for storing and metering liquids

1979-05-21

1981-07-14

Coven, Edward M.

Coating implements with material supply

Including means to apply material-moving force

Intercommunicable reservoirs or reservoir sections in series

141 18, 141 31, 141381, B43K 510

Patent

active

042783607

ABSTRACT:
This invention relates to a container having a reservoir for storing a liquid and an intermediate storage space communicating with said reservoir and adapted to receive liquid therefrom on generation of a vacuum therein. Communication between reservoir and intermediate storage space is through a capillary tube having an inside diameter small enough so that a column of liquid is maintained therein whenever pressures in said reservoir and storage space are substantially equal, but large enough so that liquid flows into the storage space when pressure therein is lower than in the reservoir. The closure for the container comprises a piston which, as the container is opened, moves out of the storage space to create a vacuum therein.

REFERENCES:
patent: 2311367 (1943-02-01), Chambers
patent: 2949622 (1960-08-01), Clement
patent: 3195544 (1965-07-01), Politzer
patent: 3229866 (1966-01-01), Arbitman et al.
patent: 3369854 (1968-02-01), Ferris
patent: 4035090 (1977-07-01), Bavaveas

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