Damped fluid displacement support system

Details Damped fluid displacement support system Damped fluid displacement support system

1980-04-25

1983-02-01

Novosad, Stephen J.

Beds

Bedclothing

And means to facilitate changing thereof

5451, 5455, A47C 2708

Patent

active

043707688

ABSTRACT:
A liquid-sealed envelope contains a core of resilient urethane foam saturated with water, all air having been expelled therefrom. This assembly is enclosed within an outer casing of a resilient material to which the envelope is glued.

REFERENCES:
patent: 2748399 (1956-06-01), Rockoff
patent: 3600726 (1971-08-01), Williams
patent: 3611455 (1971-10-01), Gottfried
patent: 3702484 (1972-11-01), Tobinick
patent: 3789442 (1974-02-01), Tobinick
patent: 3872525 (1975-03-01), Lea et al.
patent: 4245361 (1981-01-01), Evanson

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