Heated roof drainage raceway with self adjusting heating cable cavity
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United States of America Patent
Stats
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Aug 30, 2016
Grant Date -
Jul 2, 2015
app pub date -
Dec 31, 2013
filing date -
Dec 31, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
If roof top snow melt water is allowed to refreeze on the colder areas of the roof, an ice dam can be formed. A heated drainage path ensures this water is drained away from the structure's foundation. The various sheet metal raceway products disclosed contain spring-like folded members to securely press against the self-regulating heating cable, thereby maximizing the thermal conduction between the heating cable and the sheet metal raceways. The spring-like members of the raceways ensure a tight thermal contact to heating cables of different thicknesses. The spring-like members compensate for metal fatigue to provide a longer useful life of the installed system. The system also allows easy end of life replacement of the heating cable.
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