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    Hearth roll in a continuous annealing furnace and its production method
    1.
    发明授权
    Hearth roll in a continuous annealing furnace and its production method 有权
    炉内采用连续退火炉及其生产方法

    公开(公告)号：US08864869B2

    公开(公告)日：2014-10-21

    申请号：US12734680

    申请日：2008-11-28

    申请人： Yasushi Kurisu ,  Tatsuo Suidzu

    发明人： Yasushi Kurisu ,  Tatsuo Suidzu

    IPC分类号： C22C19/05 ,  C23C4/06 ,  C22C19/07 ,  C21D9/56 ,  C23C4/18 ,  C22C29/02 ,  F27B9/24

    CPC分类号： C23C4/06 ,  C21D9/563 ,  C22C19/05 ,  C22C19/07 ,  C22C29/02 ,  C23C4/18 ,  F27B9/2407 ,  F27B9/2469

    摘要： The hearth roll for a continuous annealing furnace is able to suppress the occurrence of buildup on the hearth roll surface and able to be stably used for a long period under the high temperature environment. The hearth roll has a cermet coating comprised 50 to 90 vol % of ceramic and the balance of a heat resistant alloy on its surface, the ceramic containing Cr3C2: over 50 to 90 vol %, Al2O3: 1 to 40 vol %, Y2O3: 0 to 3 vol %, and ZrB2: 0 to 40 vol % and having a balance of unavoidable impurities and pores, the heat resistant alloy containing Cr: 5 to 20 mass %, Al: 5 to 20 mass %, and one or both of Y and Si: 0.1 to 6 mass % and has a balance of one or both of Co and Ni and unavoidable impurities.

    摘要翻译： 用于连续退火炉的炉床辊能够抑制炉床辊表面积聚的发生，并且能够在高温环境下长时间稳定地使用。 炉底辊具有包含50至90体积％的陶瓷和其表面上的耐热合金的余量的金属陶瓷涂层，包含Cr 3 C 2的陶瓷：超过50至90体积％，Al 2 O 3：1至40体积％，Y 2 O 3：0 至3体积％，ZrB 2：0〜40体积％，余量为不可避免的杂质和气孔，含有Cr：5〜20质量％，Al：5〜20质量％的耐热合金，Y： 和Si：0.1〜6质量％，并且余量为Co和Ni之一或两者以及不可避免的杂质。

    HEARTH ROLL IN A CONTINUOUS ANNEALING FURNACE AND ITS PRODUCTION METHOD
    2.
    发明申请
    HEARTH ROLL IN A CONTINUOUS ANNEALING FURNACE AND ITS PRODUCTION METHOD 有权
    连续退火炉中的旋转炉及其生产方法

    公开(公告)号：US20100230874A1

    公开(公告)日：2010-09-16

    申请号：US12734680

    申请日：2008-11-28

    申请人： Yasushi Kurisu ,  Tatsuo Suidzu

    发明人： Yasushi Kurisu ,  Tatsuo Suidzu

    IPC分类号： C21D1/00 ,  B05D1/10 ,  C21D9/56

    CPC分类号： C23C4/06 ,  C21D9/563 ,  C22C19/05 ,  C22C19/07 ,  C22C29/02 ,  C23C4/18 ,  F27B9/2407 ,  F27B9/2469

    摘要： A hearth roll for a continuous annealing furnace able to suppress the occurrence of buildup on the hearth roll surface and able to be stably used for a long period under the high temperature environment in a continuous annealing furnace and a method of production of the same are provided.The hearth roll for a continuous annealing furnace has a cermet coating comprised 50 to 90 vol % of ceramic and the balance of a heat resistant alloy on its surface, the ceramic containing Cr3C2: over 50 to 90 vol %, Al2O3: 1 to 40 vol %, Y2O3: 0 to 3 vol %, and ZrB2: 0 to 40 vol % and having a balance of unavoidable impurities and pores, the heat resistant alloy containing Cr: 5 to 20 mass %, Al: 5 to 20 mass %, and one or both of Y and Si: 0.1 to 6 mass % and has a balance of one or both of Co and Ni and unavoidable impurities.

    摘要翻译： 提供一种用于能够抑制在炉床辊表面上积聚的发生并能够在连续退火炉中在高温环境下长时间稳定使用的连续退火炉的炉床及其制造方法 。 用于连续退火炉的炉底辊具有包含50至90体积％的陶瓷和其表面上的耐热合金的余量的金属陶瓷涂层，包含Cr 3 C 2的陶瓷：超过50至90体积％的Al 2 O 3：1至40体积％ ％，Y 2 O 3：0〜3体积％，ZrB 2：0〜40体积％，余量为不可避免的杂质和孔，耐热合金含有Cr：5〜20质量％，Al：5〜20质量％ Y和Si中的一种或两种：0.1至6质量％，余量为Co和Ni中的一种或两种或不可避免的杂质。

    Conveying roll, and hearth roll in a continuous annealing furnace
    5.
    发明授权
    Conveying roll, and hearth roll in a continuous annealing furnace 有权
    输送辊和炉床辊在连续退火炉中

    公开(公告)号：US08328705B2

    公开(公告)日：2012-12-11

    申请号：US12305645

    申请日：2006-07-12

    申请人： Yasushi Kurisu

    发明人： Yasushi Kurisu

    IPC分类号： F16C13/00

    CPC分类号： C23C2/003 ,  C21D9/56 ,  C23C4/02 ,  C23C4/06 ,  F16C13/00

    摘要： The present invention provides conveying rolls and hearth rolls in a continuous annealing furnace for producing steel sheet having flame sprayed coatings on their surfaces wherein the flame sprayed coatings are comprised of cermet having a ceramic ingredient content of 80 vol % or less or a heat resistant alloy, the flame sprayed coatings have oxide layers comprised of one or more of a flame sprayed metal, Cr, Si, Zr, or Al, and a ratio R/R1 of the roughness parameter R of the surface of the oxide layer measured based on JIS B0633 setting the cutoff value at an initial value and a roughness parameter R′ measured setting the cutoff value at 1/10 of the initial value is 4 or more.

    摘要翻译： 本发明在连续退火炉中提供输送辊和炉床，用于生产在其表面上具有火焰喷涂层的钢板，其中火焰喷涂的涂层由陶瓷成分含量为80体积％以下的金属陶瓷或耐热合金 火焰喷涂涂层具有由火焰喷涂金属，Cr，Si，Zr或Al中的一种或多种构成的氧化物层，并且氧化物层的表面的粗糙度参数R的比R / R1基于JIS 将截止值设定为初始值的B0633和将截止值设定为初始值的1/10的粗糙度参数R'为4以上。

    CONVEYING ROLL, AND HEARTH ROLL IN A CONTINUOUS ANNEALING FURNACE
    9.
    发明申请
    CONVEYING ROLL, AND HEARTH ROLL IN A CONTINUOUS ANNEALING FURNACE 有权
    连续轧制轧辊和连续轧制炉

    公开(公告)号：US20100234200A1

    公开(公告)日：2010-09-16

    申请号：US12305645

    申请日：2006-07-12

    申请人： Yasushi Kurisu

    发明人： Yasushi Kurisu

    IPC分类号： F16C13/00

    CPC分类号： C23C2/003 ,  C21D9/56 ,  C23C4/02 ,  C23C4/06 ,  F16C13/00

    摘要： The present invention provides conveying rolls and hearth rolls in a continuous annealing furnace for producing steel sheet having flame sprayed coatings on their surfaces wherein the flame sprayed coatings are comprised of cermet having a ceramic ingredient content of 80 vol % or less or a heat resistant alloy, the flame sprayed coatings have oxide layers comprised of one or more of a flame sprayed metal, Cr, Si, Zr, or Al, and a ratio R/R1 of the roughness parameter R of the surface of the oxide layer measured based on JIS B0633 setting the cutoff value at an initial value and a roughness parameter R′ measured setting the cutoff value at 1/10 of the initial value is 4 or more.

    摘要翻译： 本发明在连续退火炉中提供输送辊和炉床，用于生产在其表面上具有火焰喷涂层的钢板，其中火焰喷涂的涂层由陶瓷成分含量为80体积％以下的金属陶瓷或耐热合金 火焰喷涂涂层具有由火焰喷涂金属，Cr，Si，Zr或Al中的一种或多种构成的氧化物层，并且氧化物层的表面的粗糙度参数R的比R / R1基于JIS 将截止值设定为初始值的B0633和将截止值设定为初始值的1/10的粗糙度参数R'为4以上。