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61. 发明专利

JP2008221221A Ceramic roll 有权
标题翻译：陶瓷滚筒
公开(公告)号：JP2008221221A
公开(公告)日：2008-09-25
申请号：JP2007058379
申请日：2007-03-08
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： OGAWA EISUKE , HAMAYOSHI SHIGEYUKI
IPC分类号： B21B39/00 , B21B27/00 , B21B43/00 , F16C13/00
摘要： PROBLEM TO BE SOLVED: To provide a ceramic roll which is assembled by fitting a ceramic sleeve and a metallic roll base body to each other on a table roll to be used for a run-in table facility and capable of easily preventing any breakage of the roll due to the difference in the coefficient of thermal expansion of both members.
SOLUTION: A table roll to be used in a run-in table facility for transferring a bar steel to a cooling bed in a steel rolling process comprises a metallic roll base body 3 having a cylindrical roll barrel and a cylindrical part formed inside the roll barrel with a rotary shaft being connected thereto. An annular recessed groove 6a is formed in an outer circumference of the roll barrel of the roll base body and/or an inner circumference of the ceramic sleeve. An elastic metallic ring 5a for transmitting the torque is fitted to and interposed in the recessed groove, and the ceramic sleeve is attached to an outer circumference of the roll barrel.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种陶瓷辊，其通过将陶瓷套筒和金属辊基体相互配合在桌子辊上而被组装以用于入座台设备，并且能够容易地防止任何由于两个构件的热膨胀系数的差异导致辊的断裂。解决方案：用于在钢轧制过程中将钢筋转移到冷却床的入口台设备中使用的台辊包括具有圆柱形辊筒和形成在内部的圆柱形部分的金属辊基体3 与旋转轴连接的滚筒。在辊基体的辊筒的外周和/或陶瓷套筒的内周形成有环状的凹槽6a。用于传递扭矩的弹性金属环5a嵌合在凹槽中并插入凹槽中，并且陶瓷套筒附接到辊筒的外周。版权所有（C）2008，JPO＆INPIT

62. 发明专利

JP2006193812A Roll for hot dip metal plating bath 有权
标题翻译：热镀锌金属镀层
公开(公告)号：JP2006193812A
公开(公告)日：2006-07-27
申请号：JP2005009178
申请日：2005-01-17
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： OGAWA EISUKE , HAMAYOSHI SHIGEYUKI
IPC分类号： C23C2/00 , C23C2/40 , F16C13/00
摘要： PROBLEM TO BE SOLVED: To provide a ceramic roll for a hot dip metal plating bath which has high heat-impact resistance so as to prevent breakage due to the heat impact during the use, and is capable of preventing detachment of a roll shaft part from a barrel part or cracks thereof. SOLUTION: The roll for the hot dip metal plating bath comprises a hollow barrel part in contact with a steel plate and a shaft part joined with the barrel part. The barrel part and the shaft part are formed of ceramics, respectively. An inner surface of the barrel part consists of large diameter areas on both end sides, and a small diameter area in the center. The shaft part 20 has a small diameter part and a large diameter part. The large diameter part of the shaft part is joined with the large diameter area of the barrel part by shrink fitting. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供一种耐热冲击性高的用于热浸金属电镀浴的陶瓷辊，以防止在使用过程中由于热冲击而导致的断裂，并且能够防止辊的脱离轴部分从筒部或其裂缝。解决方案：用于热浸金属电镀浴的辊包括与钢板接触的中空筒体部分和与筒体部分接合的轴部分。筒部和轴部分别由陶瓷形成。筒部的内表面由两端的大直径区域和中心的小直径区域组成。轴部20具有小直径部和大直径部。轴部的大直径部通过收缩配合与筒部的大直径区域接合。版权所有（C）2006，JPO＆NCIPI

63. 发明专利

JP2006095540A Rotator for stirring molten metal 审中-公开
标题翻译：旋转器用于搅拌金属
公开(公告)号：JP2006095540A
公开(公告)日：2006-04-13
申请号：JP2004281856
申请日：2004-09-28
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： SHIMIZU KENICHIRO , HAMAYOSHI SHIGEYUKI
IPC分类号： B22D1/00 , B22D11/117 , C04B37/00
摘要： PROBLEM TO BE SOLVED: To provide a rotator for stirring molten metal with which it is prevented to break the joined part at a ceramic-made shaft and a ceramic-made stirring disk by improving the conventional rotator for stirring the molten metal and also, manufacturing cost can be reduced with a simple structure and easy manufacture. SOLUTION: As a first peculiarity, the ceramic-made stirring disk 3 is engaged and fixed with a shrinkage-fitting to the lower end part of the ceramic-made shaft 2 having a gas supplying path 21 in the inner part thereof. Further, as a second peculiarity, an adhesive is interposed between the engaging surfaces of the lower end of the ceramic-made shaft 2 having the gas supplying path 21 in the inner part and the ceramic-made stirring disk 3, and engaged and fixed. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于搅拌熔融金属的旋转器，通过改进用于搅拌熔融金属的常规旋转器，通过改进传统的旋转器来搅拌熔融金属并防止其在陶瓷制的轴和陶瓷制的搅拌盘上断开接合部分，此外，制造成本可以通过简单的结构和易于制造而降低。解决方案：作为第一特性，陶瓷制的搅拌盘3通过收缩配合接合固定在陶瓷制的轴2的下端部，陶瓷制的轴2的内部具有供气路径21。此外，作为第二特性，在内部具有气体供给路径21的陶瓷制轴2的下端的接合面和陶瓷制的搅拌盘3之间插入粘合剂，并且接合固定。版权所有（C）2006，JPO＆NCIPI

64. 发明专利

JP2005271035A Ceramic-made pinch roll 审中-公开
标题翻译：陶瓷拼接辊
公开(公告)号：JP2005271035A
公开(公告)日：2005-10-06
申请号：JP2004088151
申请日：2004-03-25
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： SUGIYAMA SHIGESADA , HAMAYOSHI SHIGEYUKI , NOGAMI SHINGO
IPC分类号： B21B27/00 , B21B39/00 , C04B35/584
摘要： PROBLEM TO BE SOLVED: To provide a ceramic-made pinch roll capable of excellently suppressing generation of seizure by forming a surface of the pinch roller in contact with a steel strip of ceramic. SOLUTION: In the pinch roll, a ceramic-made sleeve consisting of a sintered compact consisting mainly of silicon nitride is fitted to an outer circumference of a metallic shaft. The heat conductivity at ordinary temperature of the sleeve is ≥ 50W/(m × K). The relative density of the sleeve is ≥ 98%, and the four-point bending strength of the sleeve at ordinary temperature is ≥ 700 MPa. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够通过形成与陶瓷的钢带接触的压紧辊的表面而能够极好地抑制发生咬合的陶瓷制的夹送辊。解决方案：在夹送辊中，将由主要由氮化硅组成的烧结体组成的陶瓷制套筒安装在金属轴的外周。套管常温下的导热系数≥50W/（m×K）。套筒的相对密度≥98％，常温下套筒的四点弯曲强度≥700 MPa。版权所有（C）2006，JPO＆NCIPI

65. 发明专利

JP2005270990A Ceramic-made apron 审中-公开
标题翻译：陶瓷制造
公开(公告)号：JP2005270990A
公开(公告)日：2005-10-06
申请号：JP2004083986
申请日：2004-03-23
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： SUGIYAMA SHIGESADA , HAMAYOSHI SHIGEYUKI
IPC分类号： B21B39/14 , B21B39/12 , C04B35/584
摘要： PROBLEM TO BE SOLVED: To provide a ceramic-made apron which is formed of ceramic sintered compact having excellent wear resistance or the like without any warp, and easily changed and recycled even when the apron is damaged at a low cost. SOLUTION: The apron is installed on an outlet side of a rolling mill of a hot-rolling line. The apron is divided into at least two sections in the direction parallel to the steel plate advancing direction, and at least one of the divided aprons is formed of ceramic sintered compact. Further, the ceramic sintered compact consists mainly of silicon nitride. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种由陶瓷烧结体形成的陶瓷烧结体，其具有优异的耐磨性等而没有任何翘曲，并且即使在围裙以低成本损坏的情况下也容易改变和再循环。解决方案：围裙安装在热轧生产线轧机的出口侧。围裙在平行于钢板前进方向的方向上分成至少两个部分，并且至少一个分开的皮圈由陶瓷烧结体形成。此外，陶瓷烧结体主要由氮化硅构成。版权所有（C）2006，JPO＆NCIPI

66. 发明专利

JP2005179146A Squeeze roll for producing electric resistance welded pipe 审中-公开
标题翻译：用于生产电阻焊管的卷边辊
公开(公告)号：JP2005179146A
公开(公告)日：2005-07-07
申请号：JP2003425006
申请日：2003-12-22
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： SUGIYAMA SHIGESADA , HAMAYOSHI SHIGEYUKI , NOGAMI SHINGO
IPC分类号： B21C37/08 , B23K13/00 , C04B35/584
摘要： PROBLEM TO BE SOLVED: To provide a squeeze roll for producing an electric resistance welded pipe, the squeeze roll being prevented from being broken by thermal shock when it is used by improving thermal shock resistance and strength of a silicon nitride-based ceramic. SOLUTION: The squeeze roll for producing the electric resistance welded pipe is used for producing the electric resistance welded pipe, wherein at least a part brought into contact with a base material for the electric resistance welded pipe is formed from a sintered compact containing silicon nitride as a main component, and the sintered compact has a thermal conductivity at normal temperature of ≥50 W/(m×K). Further, the sintered compact containing silicon nitride as the main component contains aluminum in an amount of ≤0.2 wt.% and oxygen in an amount of ≤5.0 wt.%. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种用于制造电阻焊管的挤压辊，当通过提高耐热冲击性和氮化硅基陶瓷的强度来防止挤压辊被热冲击破坏时。解决方案：用于生产电阻焊管的挤压辊用于制造电阻焊管，其中至少部分与用于电阻焊管的基材接触的部分由含有氮化硅为主要成分，烧结体的常温下的热导率为≥50W/（m×K）。此外，以氮化硅为主要成分的烧结体含有量为≤0.2重量％的铝和≤5.0重量％的氧。版权所有（C）2005，JPO＆NCIPI

67. 发明专利

JP2005177810A Apron made of ceramic 审中-公开
标题翻译：陶瓷制造商
公开(公告)号：JP2005177810A
公开(公告)日：2005-07-07
申请号：JP2003422684
申请日：2003-12-19
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： SUGIYAMA SHIGESADA , HAMAYOSHI SHIGEYUKI
IPC分类号： B21B39/12
摘要： PROBLEM TO BE SOLVED: To provide an apron made of ceramic, which apron is used in a hot rolling line and is excellent in its wear resistance, thermal shock resistance, and strength.
SOLUTION: The apron is arranged on the exit side of a rolling mill in the hot rolling line. At least the surface layer of the apron to be brought into contact with steel plates is composed of a sintered body having silicon nitride as a main component. The sintered body has a thermal conductivity coefficient of at least 50 W/(mK) at an ordinary temperature, contains at most 0.2 wt.% Al, at most 5.0 wt.% O, and has a relative density of at least 98%, and a four-point bending strength of at least 700 MPa at an ordinary temperature.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种由陶瓷制成的围裙，该围裙在热轧生产线中使用，并且其耐磨性，耐热冲击性和强度都优异。
解决方案：围裙布置在热轧生产线上轧机的出口侧。至少与钢板接触的围裙的表层由以氮化硅为主要成分的烧结体组成。该烧结体在常温下的导热系数至少为50W /（mK），含有至多0.2重量％的Al，最多5.0重量％的O，相对密度至少为98％以及在常温下为至少700MPa的四点弯曲强度。版权所有（C）2005，JPO＆NCIPI

68. 发明专利

JP2005169463A Roll made of ceramic 审中-公开
标题翻译：陶瓷制品
公开(公告)号：JP2005169463A
公开(公告)日：2005-06-30
申请号：JP2003413530
申请日：2003-12-11
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： SUGIYAMA SHIGESADA , HAMAYOSHI SHIGEYUKI , NOGAMI SHINGO
IPC分类号： B21B39/00 , C04B35/584 , C04B41/87
摘要： PROBLEM TO BE SOLVED: To provide a roll made of ceramic obtained by fitting sleeves made of ceramic to the outer circumference of a metallic shaft material, in which insulating properties can be sufficiently maintained and deterioration in wear resistance can be prevented, and which has excellent thermal impact resistance and strength as well. SOLUTION: The roll made of ceramic is obtained by fitting sleeves made of ceramic and having insulating properties to the outer circumference of a metallic shaft material and is used for carrying a steel sheet in a hot rolling line. Each sleeve made of ceramic is composed of a sintered compact essentially consisting of silicon nitride, and a film of titanium nitride is formed on the surface in contact with the steel sheet on the sleeve. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种陶瓷制成的辊，其通过将金属轴材料的外周嵌入陶瓷套筒而获得，其中可以充分保持绝缘性能并且可以防止耐磨损性的劣化，以及其具有优异的耐热冲击性和强度。解决方案：由陶瓷制成的辊通过将金属轴材料的外周嵌入并具有绝缘性的套筒制成，并用于在热轧生产线上承载钢板。由陶瓷制的每个套筒由基本上由氮化硅构成的烧结体组成，并且在与套筒上的钢板接触的表面上形成氮化钛膜。版权所有（C）2005，JPO＆NCIPI

69. 发明专利

JP2005169462A Roll made of ceramic 有权
标题翻译：陶瓷制品
公开(公告)号：JP2005169462A
公开(公告)日：2005-06-30
申请号：JP2003413528
申请日：2003-12-11
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： SUGIYAMA SHIGESADA , HAMAYOSHI SHIGEYUKI
IPC分类号： B21B27/00 , B21B27/02 , B21B27/03 , C04B35/584
摘要： PROBLEM TO BE SOLVED: To provide a roll made of ceramic in which the cracking of a sleeve(s) made of ceramic can be prevented at the time when a heat cycle of heating and cooling is applied in the use of the roll even if inexpensive carbon steel of a relative low alloy or alloy steel for structural purposes of a low alloy is used as a metallic shaft material. SOLUTION: The roll made of ceramic is used for producing a steel sheet in a hot rolling line. The roll is obtained by fitting one or more sleeves made of ceramic to the outer circumference of a metallic shaft material, and is characterized in that an aluminum alloy-coated layer or a chromium alloy-coated layer is formed on the surface of the metallic shaft material. Alternatively, an aluminum cementation layer or a chromium cementation layer is formed on the surface of the metallic shaft material. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种陶瓷制的辊，其中在使用辊的加热和冷却的热循环时可以防止由陶瓷制成的套筒的开裂即使作为低合金结构用的低合金或合金钢的廉价碳钢用作金属轴材料。
解决方案：用陶瓷制成的辊用于在热轧生产线上生产钢板。通过将一个或多个由陶瓷制成的套筒装配到金属轴材料的外周而获得辊，其特征在于，在金属轴的表面上形成铝合金涂层或铬合金涂层材料。或者，在金属轴材料的表面上形成铝胶结层或铬胶结层。版权所有（C）2005，JPO＆NCIPI

70. 发明专利

JP2004283898A Ceramic roll 审中-公开
公开(公告)号：JP2004283898A
公开(公告)日：2004-10-14
申请号：JP2003081860
申请日：2003-03-25
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： SUGIYAMA SHIGESADA , HAMAYOSHI SHIGEYUKI , NOGAMI SHINGO
IPC分类号： B21B39/00
摘要： PROBLEM TO BE SOLVED: To provide a ceramic roll which can suppress a warp in the middle part of a conveyed steel sheet by enhancing resistance to thermal shock of a silicon nitride base sintered compact itself which forms ceramic sleeves. SOLUTION: This ceramic roll is used for conveying the steel sheet in a hot-rolling line and is constituted by fitting one or a plurality of ceramic sleeves on the outer circumference of a metallic shaft member. One of the ceramic sleeves is fit so as to cover the middle part in the axial length direction of the metallic shaft material and consists of the sintered compact consisting essentially of silicon nitride which has a relative density of ≥ 98%, a four-point bending strength of ≥ 600 MPa at room temperature and a thermal conductivity of ≥ 50 W/(mK) at room temperature. COPYRIGHT: (C)2005,JPO&NCIPI

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