Metal founding – Process – Shaping a forming surface
Reexamination Certificate
2006-03-30
2009-08-18
Kerns, Kevin P (Department: 1793)
Metal founding
Process
Shaping a forming surface
C164S138000, C164S517000, C164S361000, C106S038270, C106S038900
Reexamination Certificate
active
07575042
ABSTRACT:
A method for forming an article is described. The method includes the step of applying a precursor material to at least one surface of a mold structure for casting the article, and curing the applied precursor material. The precursor material includes facecoat-forming constituents which can be curably converted into a facecoat; and a protective coating-former for the article being cast. Molten material is then introduced into the mold structure, so as to come in contact with the facecoat formed from the cured precursor material. The molten material is cooled, to form the article. The cured precursor material, which is in contact with a surface of the cast article, is then reacted with the article, to form the protective coating on the surface of the article. Related mold structures are also described.
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Bewlay Bernard Patrick
Jackson Melvin Robert
Coppa Francis T.
General Electric Company
Kerns Kevin P
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