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Heating sheet

  • US 4,533,821 A
  • Filed: 09/15/1983
  • Issued: 08/06/1985
  • Est. Priority Date: 12/11/1982
  • Status: Expired due to Fees
First Claim
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1. A heating sheet, comprising:

  • a nonconductive fiber sheet;

    a plurality of heating wires fixed on at least one surface of said nonconductive fiber sheet and extending in a longitudinal direction so that said plurality of heating wires do not cross each other; and

    at least two common power source terminals each having a plurality of conductors fixed on at least said one surface of said nonconductive fiber sheet and extending in a transverse direction, each of said common power source terminals being connected to a corresponding or intermediate portion of a plurality of said heating wires such that each of said plurality of conductors crosses and is electrically connected to a corresponding plurality of heating wires, each of said common power source terminals having arcuate portions extending above or below said non-conductive fiber sheet at predetermined intervals; and

    means for connecting said common power source terminals to a low-voltage power source.

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