Patent ID: 6727471
Filing Date: 2004-04-27
Classification: E01C,E04D,H05B

Abstract:
A heater module for a modular heating system comprising:a flexible non-conductive inner layer having a flat first face and a spaced opposed second face, and a first edge and a spaced second edge opposite said first edge, a flexible heater layer mounted on said first face, said heater layer having first and second power wires each extending across said first face with said first power wire having a first end at said first edge and a second end at said second edge, and said second power wire having a first end at said first edge, spaced from said first end of said first power wire, and a second end at said second edge, near said second end of said first power wire, and a heater element mounted on said first face, and having a first end connected to said first power wire and a second end connected to said second power wire, a flexible ground layer mounted on said second face, a flexible non-conductive first outer layer mounted on said first face over and sealing in said heater layer, and a flexible non-conductive second outer layer mounted on said second face over and sealing in said ground layer.