72336563
Aug 28, 1969
Nov 9, 1971
EXOTHERMIC MATERIAL CONSISTING OF MIXED METALLIC OXIDES IN FINELY DIVIDED FORM OR IN A PREFORMED SHAPE, USABLE FOR HEATING PIPES, TUBES, RODS AND THE LIKE TO ELEVATED TEMPERATURE TO ACCOMPLISH AN ANNEALING TREATMENT THEREON; AND THE COMPLETE KIT CONSISTING OF SHAPED EXOTHERMIC SECTIONS, HIGH TEMPERATURE INSULATION, LOW TEMPERATURE INSULATION, SEALING RINGS, INSULATING CEMENT AND FASTENING WIRES
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