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Method of manufacturing a sheathed electrical heater assembly

  • US 6,188,051 B1
  • Filed: 06/01/1999
  • Issued: 02/13/2001
  • Est. Priority Date: 06/01/1999
  • Status: Expired due to Fees
First Claim
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1. A method of manufacturing an electrical heater assembly comprising the steps of:

  • molding a core element into a desired shape, said core element having an outer surface, said core element comprising a compound including an organic material;

    heating said core element at an elevated temperature sufficient to release organic material from said core;

    placing a heating element in communication with said core element; and

    overmolding said core and said heating element with an organo-ceramic insulation protection layer, whereby said heater assembly is formed.

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