Tubular heater for melting ice blockages on a roof

Details Tubular heater for melting ice blockages on a roof Tubular heater for melting ice blockages on a roof

H - Electricity

05

B

309/4

H05B 3/00 (2006.01) E04D 13/00 (2006.01) E04D 13/10 (2006.01)

Patent

CA 1072167

ABSTRACT OF THE DISCLOSURE: A heating device for installation on the roof of a struc- ture to permit water to flow off the structure from behind a blockage of ice. An elongate, hollow tubular member defines a chamber in which is situated a point heat source. A jacket of insulative material surrounds the tubular member to retard heat loss. One side of the jacket faces the roof and has a channel open to the tubular member such that heat transfer from the tubular member occurs primarily through the channel. When the device is installed on a roof, heat radiated through the channel forms heated passageways through the ice blockage for escape of water.

263667

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