EXOWELD
EXOTHERMIC MATERIAL CONSISTING OF MIXED METALLIC OXIDES IN FINELY DIVIDED FORM OR IN A PREFORMED SHAPE, USEABLE FOR JOINING SHAPED ARTICLES SUCH AS BARS, PLATES, TUBES, RAILS, STRUCTURAL SHAPES AND THE LIKE BY FUSION AND THE COMPLETE KIT CONSISTING OF MOLD HALVES, BOTTOM PLATE, SEALING COMPOUND, EXOTHERMIC POWDER, SEPARATOR DISCS, IGNITION POWDER, FUSES, AND FASTENERS FOR JOINING THE MOLD HALVES
Expired · August 28, 1969 · 72336561 ·