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DEVICE AND METHOD FOR CONTROLLING HUMIDITY AT THE SURFACE OF A SUPPORTING ITEM OF THE MATTRESS TYPE

  • US 20080098529A1
  • Filed: 10/23/2007
  • Published: 05/01/2008
  • Est. Priority Date: 10/26/2006
  • Status: Active Grant
First Claim
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1. A device for controlling the humidity at the surface of a supporting item (3) of the mattress or cushion type and in the vicinity of the body (13) of an individual resting thereon, comprising an envelope (1) formed by at last two parts (11, 12) connected with each other at their peripheral edges (1a, 1b), defining an inner chamber (13), said two parts consisting in a first part (11) intended to be positioned on the side of said body of the individual, and a second part (12) intended to be positioned on the side of said supporting item (3) of the mattress or cushion type, said first part consisting of a material forming a barrier impervious to air and liquid water and pervious to water vapor, said second part consisting of a material pervious to water vapor, said second part comprising at least one air injection port (4) and air discharging means comprising perforated or porous areas pervious to air.

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