Alternatively, {HEAD ~ a plurality} of locator pins 11, in FIG 1, may center and support {TAIL ~ the inner core} within the mold 16 by their being appropriately spaced and of an approximate length equal to the diameter of the outer core mold 
support
Alternatively , { HEAD ~ a plurality } of locator pins 11 , in FIG 1 , may center and support { TAIL ~ the inner core } within the mold 16 by their being appropriately spaced and of an approximate length equal to the diameter of the outer core mold
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH