H - Electricity – 05 – B
Patent
H - Electricity
05
B
309/7
H05B 3/36 (2006.01) H05B 3/38 (2006.01) A61F 7/00 (2006.01)
Patent
CA 1089904
ABSTRACT OF THE DISCLOSURE RADIANT THERAPEUTIC HEATER A therapeutic heating pad which is not hot to the touch but provides substantial infrared radiation to a user. Accordingly it can be used for extended periods without feeling uncomfortable to the skin, while imparting deep therapeutic heat to the user. The heating pad is comprised of a radiant heat generating layer having a plane surface comprising means for radiating heat evenly from its surface, a pair of flexible electri- cally insulating and radiation permeable layers located adjacent and covering opposite sides of the layer, a thermal insulation layer disposed against and covering one of the electrically insulating layers, a radiation reflective layer disposed against and covering the outside surface of the thermal insul- ation layer, and a sealed radiation permeable envelope enclosing the entire heater. Preferrably the flexible heat generating layer is comprised of a fiber glass mat impregnated with a resistive material, which material provides a surface temperature, when current is conducted therethrough, which is between 60 degrees Celcius and 65 degrees Celcius. i
296254
Bender Joseph M.
Shapiro Cohen
LandOfFree
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