Coating apparatus – With heat exchange – drying – or non-coating gas or vapor... – To remove or spread applied coating by gas blast
Patent
1993-04-21
1995-09-26
Jones, W. Gary
Coating apparatus
With heat exchange, drying, or non-coating gas or vapor...
To remove or spread applied coating by gas blast
118 65, 118602, 118419, 118407, 118412, 427209, 427349, 4274343, B05C 1106, B05C 1100, B05C 312
Patent
active
054531276
ABSTRACT:
Method and apparatus for meniscus coating one or two sides of steel strip with a metal or metal alloy. The apparatus includes a horizontally disposed coating tray for containing molten coating metal, gas heaters for maintaining the temperature of the coating metal above the melting point of the coating metal, stabilizing rollers for moving steel strip transversely past a departure lip positioned on one side of the coating tray and adding solid or molten metal to the coating tray for maintaining the level of the coating metal in the coating tray relative to the upper elevation of the departure lip so that an uninterrupted flow of the coating metal can be delivered over the departure lip to a surface of the strip. The coating tray may be rotatably mounted for adjusting the level of molten metal in the coating tray. The coating tray also may include a sled for lateral displacement for positioning the departure lip a predetermined distance away from the strip. The terminal end of the departure lip preferably includes a planar upper surface having an acute angle of at least 15.degree. relative to the horizontal plane of the coating tray. Non-oxidizing gas may be passed through a jet nozzle to control the coating thickness on the strip.
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Barney Gerald L.
Caudill Forrester
Flinchum Charles
Kleimeyer David L.
Parrella Larry E.
Armco Steel Company, L.P.
Bunyard R. J.
Fillnow L. A.
Griffin Steven P.
Johnson R. H.
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