Heretofore, {HEAD ~ the prior art} failed to provide {TAIL ~ a simple push type expanding fixture} to retain a hollow work piece onto a rotatable tool for performing a roll forming process 
Heretofore , { HEAD ~ the prior art } failed to provide { TAIL ~ a simple push type expanding fixture } to retain a hollow work piece onto a rotatable tool for performing a roll forming process
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH