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