E - Fixed Constructions – 03 – D
Patent
E - Fixed Constructions
03
D
4/17.7
E03D 9/03 (2006.01)
Patent
CA 1148304
27-12833/AFR/+ Device for the metered release of an active ingredient Abstract A plug-type carrier (1) which is provided with an axial pipe nozzle (2) is inserted into the neck (4) of a stock container (5) for active ingredient, which is loc- ated with its neck downwards, for example in a toilet cistern. A float (3) is guided, so that it can move up and down, in the pipe nozzle by means of a guide rod (11). The float contains a metering chamber (9) and, at a lower level, a collecting chamber (7) which latter, together with an overflow pipe (8) and a beaker (10) surrounding the latter, forms a run-out syphon. When the float is in its lower end position, the metering chamber (9) is filled with active ingredient. When the float is raised, the chamber overflows and the active ingredient flows into the collecting chamber (7), where it is pre-diluted by the flushing water which simultaneously runs in from the outside. When the float falls, the diluted active ingredient is syphoned out of the collecting chamber (7) into the flushing water and the metering chamber is filled anew. The device is constructionally simple and makes it possible always to release constant quantities of active ingredient in a controlled manner into that part of the total flushing water in the cistern which remains in the syphon of the pan.
376050
Airwick Industries Inc.
Fetherstonhaugh & Co.
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