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Induction heating coil for bonding metal sheets

  • US 5,365,041 A
  • Filed: 04/26/1993
  • Issued: 11/15/1994
  • Est. Priority Date: 04/26/1993
  • Status: Expired due to Term
First Claim
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1. An induction heating coil for inductively heating juxtaposed portions of two metal sheets to cure a heat curable bonding material disposed between and adjacent to a perimeter edge of the two metal sheets to bond the two metal sheets together, the induction heating coil comprising:

  • a first element disposed in a first plane and forming a first inductive heating surface adapted to be disposed adjacent one of the two metal sheets and the bonding material disposed therebetween;

    a second element disposed in a second plane at a predetermined, non-parallel angle with respect to the first plane of the first element, the second element forming a second inductive heating surface adapted to be disposed adjacent the perimeter edge of the two metal sheets and the bonding material disposed therebetween; and

    means for supplying a high frequency electric current to the first and second elements.

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