an upper shaping form sized to fit closely within the tubular cavity, and means for moving {HEAD ~ the upper shaping form} between a raised position spaced above the open bottom cavity end, and {TAIL ~ a lowered position} near the open bottom cavity end and the lower shaping form 
an upper shaping form sized to fit closely within the tubular cavity , and means for moving { HEAD ~ the upper shaping form } between a raised position spaced above the open bottom cavity end , and { TAIL ~ a lowered position } near the open bottom cavity end and the lower shaping form
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH