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Apparatus for inductive and resistive heating of an object

  • US 6,717,118 B2
  • Filed: 12/21/2002
  • Issued: 04/06/2004
  • Est. Priority Date: 06/26/2001
  • Status: Expired due to Fees
First Claim
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1. An apparatus for heating a flowable material comprising:

  • a core having a passageway formed therein for the communication of the flowable material, the core having an outer surface; and

    an electric element coiled in multiple turns against the core in a helical pattern, the electric element, in use, heating the core both resistively and inductively, the electric element having no auxiliary cooling capacity.

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