Patent ID: 7234458
Filing Date: 2007-06-26
Classification: A61F,F24V

Abstract:
1. A laminated heating body for transmitting heat to a user's skin, comprising: a heating body for generating heat; and a cover sheet covering a skin-facing side of said heating body, said cover sheet being a laminate of first, second and third sheet bases, said first sheet base being in contact with said heating body, said second sheet base being peelably bonded on a skin-facing side of said first sheet base remote from said heating body, said third sheet base being peelably bonded on a skin-facing side of said second sheet base remote from said heating body, wherein said first sheet base is moisture impermeable, the second and third sheet bases are peelably removable for adjusting the transfer of heat from the heating body to the user's skin, said first sheet base includes metal so as to have a higher heat conductivity than the second sheet base, and said third sheet base has a heat conductivity different from those of said first and second sheet bases.