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Heatable hair roller and heating unit for use therewith

  • US 3,881,086 A
  • Filed: 08/20/1973
  • Issued: 04/29/1975
  • Est. Priority Date: 08/20/1973
  • Status: Expired due to Term
First Claim
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1. A heatable hair roller comprising a plastic tubular body defining an outer surface for said hair roller and having first and second aperture means therein spaced longitudinally on said body, said aperture means each extending around the circumference of said body;

  • alloy means having a predetermined Curie temperature disposed in said tubular body; and

    electrical heating means in said body in heat transfer relation with said alloy means and including first contact means disposed within said tubular body in alignment with said first aperture means to expose said first contact means in recessed relation to the outer surface of said tubular body and second contact means disposed within said tubular body in alignment with said second aperture means to expose said second contact means in recessed relation to said outer surface of said tubular body to thereby permit electricity to be supplied to said electrical heating means.

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