Non-electrical reversible thermal cushion for a mattress or othe

Details Non-electrical reversible thermal cushion for a mattress or othe Non-electrical reversible thermal cushion for a mattress or othe

1990-08-17

1992-03-03

Trettel, Michael F.

Beds

Bedclothing

And means to facilitate changing thereof

5451, 5473, 5484, 5502, A47C 2708

Patent

active

050920065

ABSTRACT:
A reversible thermal cushion includes a resilient layer; an insulating layer adjacent the resilient layer, the insulating layer having a reflective surface facing away from the resilient layer; and a PVC top sheet and bottom sheet for containing the resilient layer and the insulating layer. The resilient layer is made from polyurethane foam having a density of at least 1.8 lbs./ cubic foot, and has a convoluted surface on at least one side. The reflective surface is aluminum vacuum deposited on one side of a polyethylene film laminated to polyurethane foam.

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