Coated metal sheet, method for producing same, and exterior building material

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United States of America Patent

PATENT NO 10370554
APP PUB NO 20170226366A1
SERIAL NO

15503185

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Abstract

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This coated metal sheet for exterior covering has a metal sheet and a top coating layer disposed on the metal sheet, the top coating layer is configured from a fluororesin and contains a gloss control agent comprising 0.01-15 vol % of microporous particles and a matte agent comprising primary particles, and the coated metal sheet satisfies the belowmentioned formulae. In the number-based particle size distribution of the gloss control agent and the matte agent, R is the number average particle size (μm) of the gloss control agent, D197.5 and D297.5 represent the 97.5% particle size (μm) of the gloss control agent and the matte agent, Ru is the upper limit particle size (μm) of the gloss control agent, and T is the top coating layer thickness (μm).

description='In-line Formulae' end='lead'D197.5/T≤0.9description='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'Ru≤1.2Tdescription='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'R≥1.0description='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'0.5≤D297.5/T≤7.0description='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'3≤T≤40.description='In-line Formulae' end='tail'

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Patent Owner(s)

Patent OwnerAddress
NIPPON STEEL NISSHIN CO LTDCHIYODA-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hara, Taketo Chiba, JP 7 18
Sakato, Kenji Chiba, JP 6 13
Ueda, Koichiro Chiba, JP 46 416
Yamaguchi, Hiroki Chiba, JP 140 609

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