Inflatable cushioning device with self opening intake valve

Details Inflatable cushioning device with self opening intake valve Inflatable cushioning device with self opening intake valve

1994-08-16

1997-06-03

Grosz, Alexander

Beds

Mattress

Having confined gas

5710, 5654, A47C 2710

Patent

active

056342241

ABSTRACT:
A cushioning device comprising an envelope containing a fluid in which the envelope has a pressure relief valve and an intake valve to regulate the deformation of the envelope under the load and reformation of the envelope when the load is removed.

REFERENCES:
patent: 201728 (1878-03-01), White
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patent: 4908895 (1990-03-01), Walker
patent: 4989283 (1991-02-01), Krouskop
patent: 5020176 (1991-06-01), Dotson
patent: 5033133 (1991-07-01), Nissen
patent: 5070560 (1991-12-01), Wilkinson
patent: 5142717 (1992-09-01), Everard et al.

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