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Air heated, flexible door panel

  • US 20060090401A1
  • Filed: 10/28/2005
  • Published: 05/04/2006
  • Est. Priority Date: 01/10/2003
  • Status: Abandoned Application
First Claim
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1. An apparatus for closing at least a portion of a doorway opening in a wall between a cold space on one side of the wall and a warm space on the other side of the wall, the apparatus comprising:

  • a front resilient layer;

    a back resilient layer;

    a central insulating layer comprising a plurality of rigid insulating pieces aligned in tile pattern sandwiched between the front and back resilient foam layers;

    a resilient sheet covering the front and back resilient layers and interposed central insulating layer, forming a resilient insulating panel; and

    a roller structure attached to the resilient insulating panel.

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