| 摘要 |
PROBLEM TO BE SOLVED: To provide an apron in which a ceramic sintered compact is formed without warp, also the replacement and the reproduction of the ceramic sintered compact are facilitated and the replacement cost is low by locally applying the ceramic sintered compacts to places where the damage of wear or the like is especially severe in the apron. SOLUTION: The apron is installed on the outlet side of a rolling mill on a hot rolling line and is divided in al least two or more pieces. Each divided apron is composed of different materials of at least two or more kinds and at least one of the divided aprons consists of the ceramic sintered compact. The ceramic sintered compact is composed of the sintered compact containing silicon nitride as a principal component. COPYRIGHT: (C)2005,JPO&NCIPI
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