Liquid delivery device

Details Liquid delivery device Liquid delivery device

1994-08-05

1996-11-05

Shaver, Kevin P.

Dispensing

With discharge assistant

Container with follower

222399, 604145, B65D 8314

Patent

active

055712614

ABSTRACT:
A liquid dispensing device and the method of dispensing liquid are disclosed. The device includes a hollow gas- and liquid-tight casing, a flexible gas- and liquid-tight membrane having multiple convolutions disposed across the casing interior and dividing the interior into a propellant chamber and a liquid chamber, an outlet port from the liquid chamber. A pressure relief valve, suitable for use with the device, allows gas to escape from the device when the gas pressure exceeds a predetermined level.

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