Mattress construction

Details Mattress construction Mattress construction

1976-04-08

1977-09-13

Nunberg, Casmir A.

Beds

Bedsteads

Element or detail

5 91, 5284, 5361B, A47C 2708

Patent

active

040472540

ABSTRACT:
A mattress construction comprises an intermediate layer of a semi rigid wave shaped resin material and with a top layer overlying the intermediate layer made of a resilient foamed resin material and a lower layer made of a resilient foamed resin material having a greater elastic restoring force than the upper layer. The greater elastic foamed restoring force may be accomplished by the increased density of the material being employed or by making the material of distinct substances giving the desired elastic characteristics. In one embodiment an electrified body in the form of a blanket is interposed between the intermediate layer and the top or upper layer.

REFERENCES:
patent: 1545413 (1925-07-01), Elmvall
patent: 1948067 (1934-02-01), Carreno et al.
patent: 3885258 (1975-05-01), Reagan
patent: 3924284 (1975-12-01), Nelson
patent: 3974532 (1976-08-01), Ecchuya

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