Waterbed mattress with air cushion

Details Waterbed mattress with air cushion Waterbed mattress with air cushion

1991-04-15

1991-12-17

Grosz, Alexander

Beds

Bedclothing

And means to facilitate changing thereof

5455, 5464, A47C 2710

Patent

active

050724690

ABSTRACT:
A waterbed mattress includes a vinyl watertight water bladder covered by an inflatable air cushion. The air cushion is composed of two layers of vinyl, sealed around the edges. The mattress further includes an inflable air bladder, between the air cushion and the vinyl bladder, to provide additional support in predetermined areas, such as the lumbar area.

REFERENCES:
patent: 4389742 (1983-06-01), De Witt
patent: 4901386 (1990-02-01), Lane

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