Armored metal articles with a thin hard film made in situ and conforming to the exact contour of the underlying surface

Claim 1

AN IMPROVED ARMORED STEEL SAW TOOTH HAVING A HARD-WEARING, NON-BRITTLE ARMOR COATING PRODUCED IN SITUFROM POWDERED METALLIC PARTICLES COMPRISING A STEEL SAW TOOTH CONSTITUTING A STRUCTURE BASE HAVING AN UNCOATED SLOPE AND HAVING AT LEAST ONE WORKING AND WEARING SURFACE USUALLY SUBJECT TO BEING WORN AWAY IN USE AND HAVING A TOP, VERTICAL SIDES, SQUARE CORNERS, A SLOPE AND A SHARP CUTTING EDGE; A HARD-WEARING ARMOR COATING COVERING AND PROTECTING A SELECTED SURFACE INCLUDING SAID WORKING AND WEARING SURFACE, OF THE TOP, VERTICAL SIDES AND SQUARE CORNERS AND CONSTITUTED OF A THIN, HARD MATRIX ALLOY COMPOSED OF POWDERED PARTICLES CONSISTING ESSENTIALLY OF CHROMIUM, COBALT AND TUNGSTEN AND SWEATED TOGETHER IN SITU AND HAVING A THICKNESS UP TO ABOUT 0.015 IN. AND CONFORMING EXACTLY TO THE SHAPE OF AN UNDERLYIONG SURFACE OF ANY CHARACTER INCLUDING HORIZONTAL, INCLINED AND VERTICAL SURFACES AND SHARP CORNERS; A PLURALITY OF PARTICLES OF REFRACTORY METALLIC CARBIDES SELECTED FROM THE GROUP CONSISTING OF CARBIDES OF SILICON,TUNGSTEN, MOLYBDENUM, CHROMIUM,TANTALUM, NIOBIUM, VANADIUM, TITANIUM, ZIRCONIUM, BORON AND MIXTURES THEREOF AND EMBEDDED IN THE ARMOR COATING; AND AN INTERFACIAL METALLIC LAYER INTERPOSED BETWEEN AND FUSED VIA A FUSION BOND TO THE SURFACE OF THE STEEL TOOTH AND VIA ANOTHER FUSION BOND TO THE ARMOR COATING, EXHIBITING INTERGRANULAR PENETRATION OF SAID STEEL TOOTH, AND MADE OF AN ALLOY COMPOSED OF CONSTITUENTS OF THE MATRIX OF SAID ARMOR COATING INCLUDING CHROMIUM, COBALT, AND TUNGSTEN AND OF IRON FROM SAID STEEL OF THE SAW TOOTH WHEREBY AN ARMORED STEEL SAW TOOTH IS PROVIDED WHICH IS CAPABLE OF SUSTAINING INTENSE LOADS WITHOUT CRACKING, CHIPPING AND SHEARING.