Gas wiping method and gas wiping apparatus
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United States of America Patent
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Feb 21, 2017
Grant Date -
Dec 11, 2014
app pub date -
Sep 24, 2013
filing date -
Sep 25, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A gas wiping apparatus includes a pair of wiping nozzles which are disposed so as to face each other and interpose a coated steel sheet therebetween in a thickness direction of the coated steel sheet, and each of which ejects a wiping gas along a width direction of the coated steel sheet; a gas shield plate that is disposed at a position which separates toward an outside from each end portion of the coated steel sheet so that the gas shield plate is interposed between the pair of wiping nozzles; and a side nozzle that ejects a gas to form a gas flow along each surface of the gas shield plate in a direction reverse to a direction in which the coated steel sheet is pulled upward.
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