Refractory metal core wall thickness control

Details Refractory metal core wall thickness control Refractory metal core wall thickness control

2007-12-11

2007-12-11

Lin, Kuang Y. (Department: 1725)

Metal founding

Process

Shaping a forming surface

C164S361000, C164S369000, C164S519000

Reexamination Certificate

active

11520298

ABSTRACT:
In accordance with the present invention, a casting system is provided which broadly comprises a core and a wax die spaced from said core, a refractory metal core having a first end seated within a slot in the core and a second end contacting the wax die for positioning the core relative to the wax die, and the refractory metal core having at least one of a mechanism for providing spring loading when closed in the wax die and a mechanism for mechanically locking the wax die to the core.

REFERENCES:
patent: 4499366 (1985-02-01), Yoshida et al.
patent: 5243757 (1993-09-01), Grabbe et al.
patent: 6807734 (2004-10-01), Eldridge et al.
patent: 2004/0016119 (2004-01-01), Eldridge et al.

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