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

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United States of America Patent

PATENT NO 10378111
APP PUB NO 20170218519A1
SERIAL NO

15314185

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Abstract

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Provided is a coated metal sheet for exterior use, having a metal sheet, and a top coat film situated on the metal sheet. The top coat film contains a resin, 0.2-15 volume percent of a gloss control agent composed of porous particles, and a delustering agent composed of primary particles. The coated metal sheet satisfies the following expressions in which, in the number-size distribution of the gloss control agent and the delustering agent, R is the number-average particle diameter (μm) of the gloss control agent, D197.5 and D297.5 are 97.5% particle diameter values (μm) of the gloss control agent and the delustering agent, Ru is the upper limit particle diameter (μm) of the gloss control agent, and T is the film thickness (μm) of the top coat film.

description='In-line Formulae' end='lead'D197.5/T≤0.7description='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'Ru≤1.2T description='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'2.0≤D297.5/T≤7.0description='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'13≤T≤20.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
Takahashi, Kazuhiko Chiba, JP 155 1861
Ueda, Koichiro Chiba, JP 46 416

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