D - Textiles – Paper – 06 – F
Patent
D - Textiles, Paper
06
F
D06F 39/02 (2006.01)
Patent
CA 2091518
IMPROVED METHOD AND APPARATUS FOR DISPENSING RINSE WATER ADDITIVE IN AN AUTOMATIC WASHING MACHINE RICHARD M. BAGINSKI JEROME P. CAPPEL GARY E. McKIBBEN ABSTRACT OF THE DISCLOSURE An improved method and apparatus for accurately measuring and dispensing a rinse water additive in an automatic washing machine. In a particularly preferred embodiment, a method is provided for accurately measuring a relatively small volume of fluid product by forming an annular column within the dispenser. The annular column extends at least to approximately the desired fill level for the additive so that the relatively small amount of fluid product causes a substantial change in the fluid's vertical position within the dispenser. This is preferably accomplished by providing a dispenser having an internal pushup in its base, the pushup extending at least to approximately the desired fill level within the dispenser. An improved sealing means is also provided for the valve used to close the filling and dispensing aperture in dispenser body during the wash cycle. Flexible securement means are used to secure a recessed valve means to the dispenser to minimize the chances of premature opening during the wash cycle. Each of these improvements helps to insure that the correct amount of additive will be added to the dispenser and that substantially all of additive initially added to the dispenser will be present when the valve is opened by the centrifugal force of the spin cycle so that all of the material can be effectively utilized during the rinse cycle.
Baginski Richard Mark
Cappel Jerome Paul
Mckibben Gary Eugene
Gowling Lafleur Henderson Llp
The Procter & Gamble Company
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