This preventing means serves to hold the coupling element from opposite side surfaces by {HEAD ~ a bifurcated blade} of {TAIL ~ the cutting punch} while it is being cut, and also serves to move the cut coupling element to a forming die in a subsequent station where a bulge is formed on a head portion of the coupling element 
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This preventing means serves to hold the coupling element from opposite side surfaces by { HEAD ~ a bifurcated blade } of { TAIL ~ the cutting punch } while it is being cut , and also serves to move the cut coupling element to a forming die in a subsequent station where a bulge is formed on a head portion of the coupling element
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH