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