The support 64, which may be multiple pins, are retracted at a desired time during the molding process so that {HEAD ~ the material} forming {TAIL ~ the shell} 60 fills the mold support region 62 during molding 
forming
The support 64 , which may be multiple pins , are retracted at a desired time during the molding process so that { HEAD ~ the material } forming { TAIL ~ the shell } 60 fills the mold support region 62 during molding
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH