B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
222/80, 222/87
B65D 83/14 (2006.01)
Patent
CA 1110209
ABSTRACT A method of filling and pressurizing container-dispen- sers includes loading a gas-adsorbent solid and an adsorbable gas into a chamber separate from a chamber containing the pro- duct to be dispensed. The solid can be loaded prior to charg- ing of the product through a first orifice, and thereafter the source chamber is charged with gas through a second orifice. Alternatively, the source chamber can be filled in whole or in part while remote from the product chamber and thereafter in- serted into the product chamber. The pressurized container-dispenser has a separate pressure source chamber containing a gas-adsorbent solid and an adsorbable gas and having means to transmit source chamber pressure to a product chamber for dispensing of a product therefrom. Transmission means may include a movable wall sep- arating the product and source chambers, a check valve, a constant pressure valve, and a membrane of the type allowing passage of gas but resisting passage of non-gaseous fluid. The source chamber can be defined by an enclosure of substan- tially fixed volume secured adjacent the product chamber. Al- ternatively, the source chamber can be defined by an unsup- ported enclosure free within the product chamber.
265330
Lo Vincent
Suchla Germane M.
Vos Kenneth D.
Bereskin & Parr
Johnson (s. C.) & Son Inc.
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