E - Fixed Constructions – 03 – D
Patent
E - Fixed Constructions
03
D
4/17.7
E03D 9/02 (2006.01) E03D 9/03 (2006.01)
Patent
CA 1198855
III. Abstract: ABSTRACT OF THE DISCLOSURE A passive dispenser adapted for placement in a body of liquid for codispensing a first solution and a second solution in response to a lowering of the level of the body of liquid from a first elevation to a second elevation, the dispenser comprising a first chamber for storing said first solution having an inlet/outlet pathway comprising an interior conduit and an exterior conduit adapted to discharge said solution by siphon flow and further having a vent conduit extending to the atmosphere, and a second chamber for storing said second solution having a refill/discharge pathway com- prising a conduit adjacent the chamber and a conduit adjacent the body of liquid and further having venting means, the refill/dis- charge pathway and venting means being adapted to isolate said second chamber from the body of liquid by means of the formation of air locks.
439635
Bristol-Myers Squibb Company
Gowling Lafleur Henderson Llp
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