| 摘要 |
A dispensing package for releasing metered quantities of fluid into the flush tank of a toilet. The package includes a fluid container which has an open neck portion. A stationary guide member is secured in the neck. A float member is slideably mounted on the guide member. The entire package is mounted in the flush tank of a toilet with the float member in contact with the water in the tank at the normal high water level. At the high water level, the float member and the guide member are in a first sealing position, thus preventing escape of the fluid in the container. When the tank is emptied, the float member moves downward to a second sealing position. During movement between the first and second sealing positions, a metered quantity of fluid is trapped between two spaced-apart sealing surfaces on the float member. This metered quantity of fluid is dispensed into the tank as the second sealing position is reached.
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