Hearth roll and continuous annealing facility

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United States of America Patent

PATENT NO 10337082
APP PUB NO 20170275731A1
SERIAL NO

15510936

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Provided is a hearth roll for supporting and conveying a steel sheet in a continuous annealing furnace, wherein all of a shaft portion and a roil main body are made from one or more ceramic materials, preferably constituted with concentric ceramic layers of different ceramic materials centering on the rotation shaft of the roll. The hearth roll has not only an excellent pickup resistance but also a long roll life free from maintenance for long periods. Also provided is a continuous annealing facility using the hearth roll in at least one of a heating zone, a soaking zone and a cooling zone.

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Patent Owner(s)

Patent OwnerAddress
JFE STEEL CORPORATION2-3 UCHISAIWAI-CHO 2-CHOME CHIYODA-KU 100-0011

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukunaga, Takayuki Kurashiki, JP 44 563

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