Cushion with heating pad

Details Cushion with heating pad Cushion with heating pad

1990-04-23

1991-02-26

Grosz, Alexander

Beds

With heating or cooling

5468, 126204, 126263, A47C 2104, A61F 708

Patent

active

049951262

ABSTRACT:
A cushion using disposable heat pads. A ventilated outer bag contains in its interior, a sheet having at its upper side a recessed air passage, disposable heat pads containing powders such as of oxidized metal and water-containing material, and a cushion, which are put in layers in this order from the lower side of the bag. The disposable heat pads are well ventilated from the air passage of the sheet laid thereunderneath, so that the heating effect can be improved.

REFERENCES:
patent: 3476102 (1969-11-01), Sarnoff
patent: 3951127 (1976-04-01), Watson et al.
patent: 4573447 (1986-03-01), Thrash et al.
patent: 4604987 (1986-08-01), Keltner

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