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