Metal founding – Means to shape metallic material – United particle type shaping surface
Reexamination Certificate
2005-08-16
2005-08-16
Johnson, Jonathan (Department: 1725)
Metal founding
Means to shape metallic material
United particle type shaping surface
C164S397000, C164S365000
Reexamination Certificate
active
06929054
ABSTRACT:
A sacrificial core for forming an interior space of a part includes a ceramic core element and a first core element including a refractory metal element. The ceramic core element may be molded over the first core element or molded with assembly features permitting assembly with the first core element.
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Beals James T.
Draper Samuel D.
Dube Bryan P.
Lopes Jose A.
Murray Stephen D.
Bachman & LaPointe P.C.
Johnson Jonathan
Tran Len
United Technologies Corporation
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