Water mattress with hydraulic chamber assembly and method of mak

Details Water mattress with hydraulic chamber assembly and method of mak Water mattress with hydraulic chamber assembly and method of mak

1987-03-12

1988-06-21

Grosz, Alexander

Beds

Bedclothing

And means to facilitate changing thereof

5451, 156285, 156292, A47C 2708

Patent

active

047517565

ABSTRACT:
A water mattress includes an outer bladder for retaining water and an inner chamber assembly for inhibiting wave motion within the bladder. The chamber assembly includes multiple chambers each having a bottom sheet and a closure sheet, and the bottom sheet being deformed to provide the bottom and sides of the chamber. Adjacent chambers are joined along a single seam to form the chamber assembly. In a preferred method, the bottom sheet is heated and drawn into a vacuum form where it is cooled to permanently deform the sheet into integral, multiple chamber, seamless configuration.

REFERENCES:
patent: 3849814 (1974-11-01), Ross
patent: 4310936 (1982-01-01), Benjamin
patent: 4517691 (1985-05-01), Phillips
patent: 4523343 (1985-06-01), Fraige
patent: 4577356 (1986-03-01), Domenning et al.
patent: 4607404 (1986-08-01), Fraige
"Ultra Sleri 100" A Trade Brochure of Monterey Mfg. Co., 12828 S. Broadway, Los Angeles, Calif. 90061 .COPYRGT.1982.

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