Dispensing – Collapsible wall-type container – With casing or support
Patent
1992-07-17
1993-12-28
Kashnikow, Andres
Dispensing
Collapsible wall-type container
With casing or support
222212, 2224021, 222494, 222496, 239452, B65D 3556
Patent
active
052731910
ABSTRACT:
A dispensing head for a squeeze dispenser is disclosed. The dispensing head includes a mixing chamber where pressurized air and pressurized fluid are mixed to produce a fine spray. A valved gasketing arrangement is used to control the flow of air into the container and out of the dispensing head, as well as to control flow of liquid to the dispensing head and to prevent leakage when the dispenser is inverted. The dispensing head also includes a liquid flow control device. This device uses a spring-biased piston to shut off the liquid flow path when the liquid is not pressurized. The piston acts to seal off the liquid from the atmosphere, thus preventing drying or contamination of the liquid product. A collapsible bag is also disclosed for isolating the liquid in the container from the air in the container.
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Kashnikow Andres
Kaufman J. A.
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