A - Human Necessities – 47 – C
Patent
A - Human Necessities
47
C
360/1
A47C 27/08 (2006.01)
Patent
CA 1182932
WAVELESS WATERBED ABSTRACT THis invention relates to waterbed mattresses. Waterbed have been beset with a major disadvantage in the tendency for wave motion to be created in the mattress. Wave motion has been reduced in the prior art by the use of baffles, foam toppings, and gels. However, such solutions involve high cost in manufactuaring and shipping and pose difficulties to consumers who wish to empty, reposition, and refill their waterbeds. The present invention overcomes these deficiencies of the prior art by providing a waterbed mattress having a slab of open celled foam substantially submerged in, yet partially suspended above the upper surface of, the liquid fill of the mattress. The waterbed mattress of the present invention retains the positive qualities of bouyant support and comfort of conventional waterbed mattresses, and reduces the undesired wave motion often created within the mattress. other embodiments of the present invention include a waterbed mattress having a large number of open celled foam particles which will be substantially submerged in, yet partially suspended at the upper surface of, the mattress's liquid fill, such particles being either enclosed in a gauze-like sack or unenclosed within the mattress. The present inven- tion may be incorporated in waterbeds or other body supporting furniture such as chairs and couches in which a liquid fill medium is used.
342655
Gowling Lafleur Henderson Llp
Morgan Flotation Systems
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