Water mattress construction

Details Water mattress construction Water mattress construction

1978-03-06

1980-02-12

Nunberg, Casmir A.

Beds

Bedclothing

And means to facilitate changing thereof

5452, A47C 2708, A47C 1714

Patent

active

041875699

ABSTRACT:
A water mattress construction which includes an interior perimetrical air chamber comprises three similar web portions of polyvinyl material or the like. The mattress is formed by first securing an air valve through the top sheet near the edge thereof. A first seam, which is spaced inwardly from the perimeter of the sheets, is then made to join the upper and medial web portions. A water valve is then secured through the upper and medial web portions, and is secured within the confines of the first seam. A second, perimetrical seam is then made to join the outer edges of all three web portions. The chamber defined by the upper and medial web portions and the two seams is filled with air, and the chamber defined by the medial and lower web portions is filled with water. Further seams may be made to join the upper and medial web portions forming medial chambers extending longitudinally in the mattress.

REFERENCES:
patent: 3732585 (1973-05-01), Krehbiel
patent: 3918110 (1975-11-01), Cantillo et al.
patent: 3994033 (1976-11-01), Bendell
patent: 4006501 (1977-02-01), Phillips
patent: 4080676 (1978-03-01), Calleance

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