发明名称 DUO HEATING PAD
摘要 A heat pad for the lower abdomen and back portions of the human body is made up with front and rear heating pad sections, each of a durable pliant inner layer of electrical insulation, such as a synthetic rubber, capable of withstanding heat of the order of that commonly employed in heat pads, and a cover layer of a durable fabric such as nylon cloth having some resiliency. Each section has a top waistband portion of elastic webbing and a bottom leg band portion of the same material separate from the corresponding webbing of the other section. The inner layer of each section has a heating element secured therein and extended throughout the inner layer except for crotch portions along the lower part of the section. The two sections are permanently secured to each other for a short distance along one of their side edges and have cooperating snap fasteners along their other side edges ad along their bottom edges. Double sets of fasteners are provided at the bottom edges for adjustment. The heater elements have current supply cords individual to each element and embodying individual switches. A heat control device governs the current supply to both cords which are connected in parallel to each other across the main current supply cord.
申请公布号 US3680563(A) 申请公布日期 1972.08.01
申请号 USD3680563 申请日期 1970.02.09
申请人 WILLIE MAE FORREST 发明人 WILLIE MAE FORREST
分类号 A61F7/00;A61F7/02;A61F7/08;(IPC1-7):A61F7/00 主分类号 A61F7/00
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