METHOD FOR MAKING CLAMP OF SEPARATE RAIL JOINTING OF RAILWAY ROAD TRACK Russian patent published in 2001 - IPC

FIELD: railway road transport, namely manufacture of parts of upper structure of railway road track. SUBSTANCE: method comprises steps of using flat strip of predetermined thickness and width instead of profiled rolled -shaped strip, cutting flat strip by blanks equal to developed clamp profile, heating them up to 1000-1050 C for 1-1.5 min; feeding heated blank in forging press for forming blank according to its predetermined contour and size. EFFECT: enhanced manufacturing process providing improved strength and increased useful life period of clamp due to arranging fibbers of material along profile of clamp at forging, significant metal economy due to elimination of waste at chopping clamp blanks. 3 cl, 4 dwg, 1 tbl