Metal founding – Process – Disposition of a gaseous or projected particulate molten...
Reexamination Certificate
2007-11-13
2007-11-13
Kerns, Kevin (Department: 1725)
Metal founding
Process
Disposition of a gaseous or projected particulate molten...
C164S024000, C164S028000, C164S031000, C164S032000, C164S034000, C164S516000, C164S072000, C106S286500, C264S643000
Reexamination Certificate
active
11526965
ABSTRACT:
A substrate is coated by applying an essentially pure aluminum first layer to a surface of the substrate. At least a first portion of the first layer is oxidized so as to provide a protective coating of desired properties. The substrate may be a refractory metal-based investment casting core.
REFERENCES:
patent: 7207373 (2007-04-01), Parkos et al.
Lomasney Gary M.
Parkos, Jr. Joseph J.
Persky Joshua E.
Bachman & LaPointe P.C.
Kerns Kevin
Lin I.-H.
United Technologies Corporation
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