Metal founding – Means to shape metallic material – United particle type shaping surface
Reexamination Certificate
2006-11-29
2008-12-23
Kerns, Kevin P (Department: 1793)
Metal founding
Means to shape metallic material
United particle type shaping surface
C164S370000
Reexamination Certificate
active
07467655
ABSTRACT:
A core for use in casting a gas turbine bucket includes a solid, curved upper body portion and a pair of co-planar legs extending downwardly from the solid, curved upper body portions. The pair of legs are separated by an elongated open slot extending from a lower end of the core upwardly more than half a height dimension of the core, into the upper body portion. A pair of axially aligned pegs project in axially opposite directions from opposite sides of the solid, curved upper body portion, perpendicular to and above the elongated slot but spaced from an upper edge of the solid, curved upper body portion. The pair of pegs lie substantially in a plane containing the co-planar legs, and in a radial direction, the pegs are closer to the elongated slot than to the upper edge.
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Beddard Thomas B.
Parks Kenneth L.
General Electric Co.
Kerns Kevin P
Nixon & Vanderhye P.C.
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