Coating processes – Centrifugal force utilized – Metal coating
Patent
1998-10-16
1999-11-16
Bareford, Katherine A.
Coating processes
Centrifugal force utilized
Metal coating
427347, 4272983, 427433, 118 56, 118416, 118426, 118428, B05D 118, B05D 312, B05C 310
Patent
active
059853654
ABSTRACT:
An automated method and apparatus for galvanizing threaded rods, comprising conveying threaded rods while horizontally oriented through a bath of molten zinc, then simultaneously spinning the threaded rods in horizontal orientation at sufficient rotational velocity to remove excess molten zinc therefrom by centrifugal force and conveying the threaded rods to a cooling bath. The automated apparatus then conveys the zinc coated threaded rods through a cooling bath to solidify the molten zinc coating and then collects cooled zinc coated threaded rods to permit efficient removal thereof from the apparatus. A rotary conveyor mechanism of the automated apparatus conveys the threaded rods through a molten zinc bath and removes excess molten zinc therefrom by rolling the coated threaded rods down an inclined zinc removal platform. As the rods roll down the zinc removal platform they achieve sufficient rotary velocity to develop predetermined centrifugal force for removal of the minute excess molten zinc that remains after removal of the threaded rods from the molten zinc bath. After excess molten zinc removal the apparatus conveys the threaded rods through a cooling trough to solidify the zinc coating.
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Bareford Katherine A.
Galvanizing Services Co., Inc.
Jackson James L.
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