Coating processes – Interior of hollow article coating – Metal base
Reexamination Certificate
2006-06-06
2006-06-06
Barr, Michael (Department: 1762)
Coating processes
Interior of hollow article coating
Metal base
C427S230000, C427S376100, C427S376600, C427S383100, C427S383700, C427S378000, C427S379000, C427S380000, C427S348000
Reexamination Certificate
active
07056555
ABSTRACT:
An article having an internal passage therein and an internal article surface is coated by providing a coating slurry that is a mixture of a deposition source including a source of aluminum, a halide activator, and a flowable carrier comprising a flowable compound selected from the group consisting of a flowable organic compound and a flowable inorganic compound. There is no oxide dispersant in the coating slurry. The coating slurry is introduced into the internal passage and dried to remove at least a portion of the carrier therefrom and leave a dried coating material. The article surface in gaseous communication with the dried coating material is heated to form an aluminum-containing coating bonded to the article surface. Any residual dried coating material is removed by blowing compressed air through the internal passage.
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Bauer Steven Earl
Pfaendtner Jeffrey Allan
Saylor Matthew David
Shah Atul Natwerlal
Wheat Gary Eugene
Barr Michael
Garmong Gregory D.
McNees Wallace & Nurick LLC
Miller Jonathan P.
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