Patent ID: 6134386
Filing Date: 2000-10-17
Classification: F24D,H05B,Y02B

Abstract:
A panel heater for animal use comprising:a hollow substantially rectangular open-mounted container-like outer shell, having a base, the outer surface of which forms an animal contacting heating surface and four upstanding outwardly inclined side walls;a plurality of upstanding bollards mounted on the base within the shell;a separate rectangular electrical junction box within the shell formed from three upstanding interior walls mounted on the base and contracting the interior of a side wall thereof and having exterior communication means for electrical power supply cable formed by a hole in the side wall and interior communication means formed from a pair of spaced apart holes in an interior wall thereof;base connectors within the junction box for connection to electrical power cables and to a heating element;a heating element formed from an electrical resistance wire having a pair of end connectors fast on the base connector in the junction box, the electrical resistance wire being led through one of the holes in an interior wall of the junction box around the bollards spaced apart from the base to form one continuous path of wire within the shell and then back through the other hole to the base connector;a plurality of anchorage means mounted on the base within the shell, each anchorage means having at least one surface spaced apart from, above and facing the inner surface of the base to secure fire retardent material to the base;fire retardant material filling the shell to above the electrical resistance wire;a heat insulation panel mounted on top of the fire retardant material; anda closure lid, forming the ground contacting base of the panel heater, mounted on the heat insulation material to close the shell.