Pillow utilizing air and water

Beds – Bedclothing – And means to facilitate changing thereof

Patent

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Details

5455, A47G 900, A47C 2710

Patent

active

047245603

ABSTRACT:
A pillow adapted to provide yieldable support of controllable softness and thickness is fabricated of thermoplastic sheet material in a manner whereby a central air compartment is surrounded by a continuous liquid compartment, each compartment being provided with valve means. The pillow may be fabricated by the interbonding of four rectangular pieces of thermoplastic sheet material. When empty of air and liquid, the pillow occupies little storage space.

REFERENCES:
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patent: 3983587 (1976-10-01), Gorran
patent: 4073021 (1978-02-01), Carlisle
patent: 4247963 (1981-02-01), Reddi
patent: 4370769 (1983-02-01), Herzig et al.
patent: 4389742 (1983-06-01), De Witt
patent: 4445240 (1984-05-01), Voorhees
patent: 4479275 (1984-10-01), Fraige
patent: 4558476 (1985-12-01), Linder

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