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US 5,395,179 AGranted
Snow melting device
AssigneeNihon Kyoryo Kabushikikaisha
InventorTetuho Kotani
Life of this patent
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Abstract
A snow melting device which includes a plurality of heating bodies arranged at intervals perpendicularly to the direction of traffic running and pedestrians walking on the road, each heating body including a planar heat generating element having at least a load bearing side thereof coated with a protective layer and having a terminal for connection to a power source.
Claims1
A snow melting device for melting snow on a road comprising
- a plurality of heating bodies arranged at intervals perpendicularly to the direction of traffic running and pedestrians walking on the road;
- wherein each heating body comprise a planar heat generating element made of a homogenous mixture of carbon and thermoplastic resin having at least a load bearing side thereof and having a terminal for connection to a power source and wherein said heat generating element has a thickness of approximately 0.1 to 1 mm;
- and
- a rubber asphalt protective layer comprising multiple layers overlaid on the load bearing side of the heat generating elements.
1 more element
Dependencies are inferred from the claim text.