Method of producing hot-dip metal coated steel strip and continuous hot-dip metal coating apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11104983
APP PUB NO 20190300997A1
SERIAL NO

16316424

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Abstract

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Disclosed is a method of producing a hot-dip metal coated steel strip capable of sufficiently suppressing generation of bath wrinkles and producing high-quality hot-dip metal coated steel strip at low cost. The disclosed method of producing a hot-dip metal coated steel strip includes: blowing a gas from a pair of gas wiping nozzles 20A and 20B to a steel strip S while being pulled up from a molten metal bath 14 so as to adjust a coating weight of molten metal on both sides of the steel strip S, in which each of the gas wiping nozzles 20A and 20B includes an injection port portion that is installed downward with respect to a horizontal plane such that an angle formed by the injection port portion and the horizontal plane is 10° or more and 75° or less, and has a header pressure below 30 kPa.

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Patent Owner(s)

Patent OwnerAddress
JFE STEEL CORPORATION2-3 UCHISAIWAI-CHO 2-CHOME CHIYODA-KU TOKYO 1000011 ?1000011

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Inaba, Atsushi Tokyo, JP 65 1124
Koyama, Takumi Tokyo, JP 8 15
Takahashi, Hideyuki Tokyo, JP 354 3400
Terasaki, Yu Tokyo, JP 4 3
Yasufuku, Yusuke Tokyo, JP 3 7

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