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Heating cable

  • US 6,680,465 B2
  • Filed: 10/19/2001
  • Issued: 01/20/2004
  • Est. Priority Date: 10/19/2000
  • Status: Expired due to Term
First Claim
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1. A mineral insulated heating cable comprising two electrical conductors extending along the length of the cable and an array of heating elements distributed along the length of the cable and connected in parallel between the conductors, wherein each conductor is encased in an inner sheath of insulating material through which connections are made to each heating element, the inner sheaths and heating elements are encased in an outer sheath of insulating material, and the outer sheath is covered by a metal jacket extruded around the outer sheath.

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