Water displacement device

Details Water displacement device Water displacement device

E - Fixed Constructions

03

D

E03D 9/00 (2006.01) E03D 1/14 (2006.01) E03D 3/12 (2006.01)

Patent

CA 2272724

A water displacement device for water storage vessels such as flush cisterns, the device comprising a perforated plastics bag (11) containing, in granular form, a super-absorbent polymer which, when wetted, expands to two hundred times its pre-absorption volume. The bag is preferably weighted and may be simply placed in a cistern (14) where it rapidly expands to displace between 2 and 5 litres of water within a cistern otherwise containing at least 9 litres, thus significantly to reduce wasteful water consumption.

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