E - Fixed Constructions – 03 – D
Patent
E - Fixed Constructions
03
D
4/17.7
E03D 9/02 (2006.01)
Patent
CA 1222105
ABSTRACT OF THE DISCLOSURE A dispensing device for use in the flushing tank of a toilet fitting to dispense a treatment solution and a perfume into the tank on flushing is described. The device includes a generally closed container to contain a block of treatment material of the kind which dissolves in water and simultaneously releases a perfume constituent. The container is formed to receive water up to a predetermined level from the flushing tank on immersion of the container in the water up to its predetermined level. The device also includes a lodgement in the container to support therein the block of treatment material so that the block lies partly immersed in the water when the water reaches the predetermined level. The container is dimensioned to provide free space above the predetermined level with the block lodged in place in the container. The device also includes a vent venting the container to the ambient atmosphere. The vent is arranged so that it is blocked when the device is immersed to the predetermined level in the water in the tank but is unblocked to release perfume from the container to the tank when the water falls from the predeter- mined level. The device also includes a drain in the container for draining liquid therefrom. The container fills with water from the tank through the drain to block the vent and dissolve material from the block to form a treat- ment solution while causing perfume to be released into said free space of the container. When the water in the tank is flushed thereby fully exposing the device to the ambient atmosphere, treatment solution from the container drains therefrom via the drain while perfume released into the free space diffuses therefrom through the vent.
436879
Fetherstonhaugh & Co.
Reckitt & Colman Products Limited
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