Mattress construction

Details Mattress construction Mattress construction

1977-05-27

1979-04-24

Stein, Mervin

Beds

Bedsteads

Element or detail

5367, A47C 2710

Patent

active

041504470

ABSTRACT:
In a mattress construction, a first flexible bag having a first cavity encloses a separate second flexible bag having a second cavity and a separate third flexible bag having a third cavity and extending around the periphery of the second bag. A first valve extending through the first bag and the second bag provides means for filling the second cavity with water. A second valve extending through the first bag and the third bag provides means for filling the third bag with air. A third valve extending through the first bag provides means for bleeding air from the first cavity during the filling of the second and third cavities. A method for constructing the mattress includes steps for attaching the second bag and the third bag to the first bag during the construction of two subassemblies.

REFERENCES:
patent: 3766579 (1973-10-01), Shields
patent: 3802004 (1974-04-01), Whitney
patent: 3864768 (1975-02-01), Fraige et al.
patent: 3925835 (1975-12-01), Pennington et al.
patent: 3983587 (1976-10-01), Gorran

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