Method for thawing frozen road culverts

Details Method for thawing frozen road culverts Method for thawing frozen road culverts

1997-09-25

1999-11-16

Walberg, Teresa

Electric heating

Heating devices

Combined with diverse-type art device

219549, 338214, H05B 100, H01C 306

Patent

active

059862378

ABSTRACT:
A method for thawing frozen road culverts. The first step involves positioning an electrically conductive cable in a road culvert prior to an ice blockage occurring. A connection end of the electrically conductive cable is anchored in an accessible location. The second step involves connecting a power source to the connection end of the electrically conductive cable after an ice blockage of the road culvert has occurred and supplying power to the electrically conductive cable, such that energy generated by power flowing through the electrically conductive cable causes a flow path to be created through the ice blockage in the road culvert.

REFERENCES:
patent: 1349136 (1920-08-01), Lillard
patent: 3823304 (1974-07-01), Siemianowski

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