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Insulated sleeved roll

  • US 6,716,147 B1
  • Filed: 06/16/2003
  • Issued: 04/06/2004
  • Est. Priority Date: 06/16/2003
  • Status: Expired due to Fees
First Claim
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1. An insulating roll comprising:

  • A) a metal conduit having an outer peripheral portion including a working area and opposing ends;

    B) a plurality of discs having outer peripheries, fabricated from an inorganic material and defining a disc bundle positioned axially on and around the metal conduit, said disc bundle having opposing ends;

    C) a tubular shell having an inner surface about and spaced apart from said outer peripheries and including the working area and opposing ends;

    D) metallic foils between each or a plurality of said discs extending from said outer peripheral portion to and beyond said outer peripheries to but not beyond the inner surface of said tubular shell, said metallic foils being in frictional contact between said inner surface and said outer peripheries.

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