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