Waterbed mattress

Details Waterbed mattress Waterbed mattress

1980-01-14

1982-06-01

Grosz, Alexander

Beds

Bedclothing

And means to facilitate changing thereof

5451, A47C 2708

Patent

active

043320430

ABSTRACT:
A waterbed mattress with one or more open-celled foam members used for dampening wave action in the water is disclosed. The foam members are supported by the buoyant force of the water and require no attachment to the surface of the waterbed mattress bladder. A vacuum means for evacuating air from the bladder and the foam member after the bladder has been drained of water is also disclosed.

REFERENCES:
patent: 3574873 (1971-04-01), Weinstein
patent: 3600726 (1971-08-01), Williams
patent: 3689945 (1972-09-01), Laerdal
patent: 4192031 (1980-03-01), Fogel
patent: 4245361 (1981-01-01), Evanson
patent: 4247962 (1981-02-01), Hall

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