Heating vessel to transform substances from solid state to liquid or semi-liquid state, uses heater with deep U-shaped profile to cover sides of wax cartridge inserted into heater

摘要

The heating vessel has a support (1) with a deep U-shaped profile obtained by extrusion of aluminum with two side walls (2,3) and an attachment (5) to the bottom (4) to accept an electric heating resistance. A cartridge of wax (8) with its faces of the same depth as the side walls, is inserted in the vessel to melt the wax.