C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
38/24
C21D 1/52 (2006.01) C21D 9/00 (2006.01) F27B 9/20 (2006.01)
Patent
CA 1202174
Abstract of the Disclosure HEATING FURNACE FOR ELONGATE MATERIAL A heating furnace for elongate material, more particular- ly for bars, billets and the like, of light metal, has a furnace tunnel (15), formed of furnace shells (14), for the material (1) to be heated. At least in their center portion, the furnace shells are covered by a thermal pro- tection means which comprises insulating elements (54,56) designed to be removable. The insulating elements (54,56) extend upwardly beyond the furnace shells (14) and define a flue gas passageway (32), of which the furnace tunnel forms an integral part. This provides the heating furnace with a thermal protection means easy to assemble and dis- assemble which considerably improves the utilization of the energy input for heating. Fig. 1.
421690
Elhaus Friedrich W.
Sim & Mcburney
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