Patent ID: 7377305
Filing Date: 2008-05-27
Classification: B22C,B22D,B29C,B33Y,C30B,G03F,Y02P

Abstract:
1. An apparatus for pouring a molten metal, comprising: a crucible having a bottom wall member with an aperture formed therethrough; and, an integrally formed ceramic molten metal dispenser, comprising: an upstanding first tube positioned within said crucible and having a first end located around said aperture and a second end that is closed, said first tube having at least one entrance for allowing the passage of molten metal from said crucible into said molten metal dispenser, said first tube having a double wall to define a molten metal receiving cavity therein and a fill hole leading to said molten metal receiving cavity; an upstanding second tube located within and coupled to said first tube and having an outlet end in fluid communication with said aperture and an inlet end defining an inlet from said first tube; a passageway extending along said second tube for the passage of the molten metal from said at least one entrance to said inlet and to said molten metal receiving cavity.