Improvements in Bell Furnaces used mainly for metal coils annealing under Controlled Atmosphere

摘要

The present Invention relates to improvements in Bell Furnaces used mainly for Metal coil annealing under Controlled AtmosphereComprising a base provided with a support Plate on which rests the batteries or coilsAn Inner cover which isolates the load of the atmosphere and environment that relies on this basis with the interposition of a Sealing ring and an oven provided with heaters and comes to cover the lid.Characterized in that a semi sealed barrier between the internal capacity of the Inner cover, and the annular space between the side wall of the circular Periphery of the base and LidInside, and the lower part of the ferrule cover is provided with Cooling, on the one hand, to reduce the heat Flux at the bottom and, moreover,To disperse the heat flow in the ambient atmosphere.