For example, the outer core mold 16, FIG 6, may be cast to have {HEAD ~ a series} of {TAIL ~ locator pin} supports 18, of a specified depth and of a diameter slightly larger than the locator pin diameter, for aligning and centering the inner core within the mold 
For example , the outer core mold 16 , FIG 6 , may be cast to have { HEAD ~ a series } of { TAIL ~ locator pin } supports 18 , of a specified depth and of a diameter slightly larger than the locator pin diameter , for aligning and centering the inner core within the mold
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