Coating processes – Interior of hollow article coating – Rotating the article
Reexamination Certificate
2008-05-20
2008-05-20
Fletcher, III, William Phillip (Department: 1792)
Coating processes
Interior of hollow article coating
Rotating the article
C427S238000, C427S294000, C427S348000, C427S372200
Reexamination Certificate
active
07374792
ABSTRACT:
A catalyst composition is applied to an interior of a hollow substrate. The composition is coated on the substrate by immersing the substrate into a vessel containing a bath of coating slurry. A vacuum is then applied to the partially immersed substrate. The intensity of the vacuum and its application time is sufficient to draw the coating slurry upwardly from the bath into each of a plurality of channels located in the interior of the hollow substrate. After removing the substrate from the bath it is rotated 180°. A blast of pressurized air is applied at an intensity and for a time sufficient to distribute the coating slurry within the channels of the substrate to form a uniform coating profile therein.
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Bibbee Brent C.
Blamble Kenneth W.
Cornelius Jerry D.
Funabiki Masaki
Gramiccioni Gary A.
BASF Catalysts LLC
Brown Melanie L.
Diehl Servilla LLC
Fletcher, III William Phillip
Servilla Scott S.
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