Dispensing – Plural sources – compartment – containers and/or spaced jacket – At least one nondispensing
Patent
1992-03-13
1994-01-04
Kashnikow, Andres
Dispensing
Plural sources, compartment, containers and/or spaced jacket
At least one nondispensing
215263, 222147, 222188, 222189, 222416, 222464, 2224815, B67D 560
Patent
active
052753107
ABSTRACT:
A vented cartridge comprises a container having a top surface, a bottom surface, and side surfaces connected together to define a predetermined volume. A dip tube extends from the top surface substantially to the bottom surface. A vent tube extends from the top surface and is positioned coaxially with the dip tube. The vent tube has an upper opening positioned in the upper third of the predetermined volume and a lower opening positioned in the lower third of the predetermined volume. A space between an outer surface of the dip tube and an inner surface of the vent tube forms a central fluid communication path between the upper and lower openings and the top surface. An upper valve is positioned at the upper opening for closing the upper opening if the cartridge is oriented with the top surface facing down; a lower valve is positioned at the lower opening for closing the lower opening if the cartridge is oriented with the top surface facing up. When the cartridge is spent, a liquid feed system pushes the vent tube and dip tube further into the cartridge thereby disconnecting those tubes from the top surface and preventing the cartridge from being reused. A reservoir member is provided which is drained when the vent tube and dip tube are pushed into the cartridge. When the reservoir member is drained, a diluent is released into the cartridge which renders the designed maximum allowable fluid remaining in the cartridge harmless.
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Little William C.
Mielnik Thaddeus J.
American Sterilizer Company
Kashnikow Andres
Kaufman Joseph A.
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