Gas wiping apparatus

Details Gas wiping apparatus Gas wiping apparatus

2006-12-19

2011-11-15

Yuan, Dah-Wei (Department: 1717)

Coating apparatus

With heat exchange, drying, or non-coating gas or vapor...

To manipulate work by gas blast

C118S063000, C118S021000

Reexamination Certificate

active

08056499

ABSTRACT:
A gas wiping apparatus for use in coating a molten metal onto a steel strip. In the apparatus, a chamber, to which a high pressure gas is supplied, defines a multistage uniform pressure space. A lip support unit is associated with a front of the chamber to allow the high pressure gas to flow therethrough, the lip support unit supporting the apparatus against load. Upper and lower lips are associated with a front of the lip support unit to cooperatively define an outlet. The upper lip adjusts a gap of a gas outlet cooperatively with the lower lip, and can be easily installed in a lip support unit while adjusting the gap of the gas outlet stably. Also, edge over coating (EOC) of the steel strip can be prevented without an additional auxiliary nozzle.

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