Patent ID: 7000676
Filing Date: 2006-02-21
Classification: B22D

Abstract:
1. A mold for casting of molten metal alloys comprising: a cooled tubular body having a top surface having an orifice, a bottom surface having an orifice, and a cooled inner wall, defining a central cavity; an annular ring attached to said top surface of said cooled tubular body, said annular ring having a lip adjacent to said cooled inner wall of said cooled tubular body; and a thermally insulated insert having a top portion and a bottom portion, said top portion being wider than said bottom portion, said bottom portion having a beveled sidewall overlapping said lip of said annular ring and said cooled inner wall of said cooled tubular body, said beveled sidewall of said bottom portion angled inwardly toward the center of the mold cavity of said mold, said bottom portion attached to said annular ring and said top surface of said cooled tubular body.