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1. 发明专利

JP2011214115A Roll for hot-dip metal coating bath 有权
标题翻译：热镀锌金属涂层浴
公开(公告)号：JP2011214115A
公开(公告)日：2011-10-27
申请号：JP2010085180
申请日：2010-04-01
申请人： Hitachi Metals Ltd , Kyushu Institute Of Technology , 国立大学法人九州工業大学 , 日立金属株式会社
发明人： SHIMIZU KENICHIRO , HAMAYOSHI SHIGEYUKI , OGAWA EISUKE , NODA NAOAKI
IPC分类号： C23C2/00 , F16C13/00
摘要： PROBLEM TO BE SOLVED: To provide a roll for a ceramic-made hot-dip metal coating bath having a large diameter, in particular, the outside diameter of ≥300 mm and capable of eliminating any trouble of crack during the forming or the baking occurring in a shaft part.SOLUTION: The roll for a hot-dip metal coating bath includes a hollow barrel part in contact with a steel plate, a shaft part in contact with a bearing, and an intermediate part joined with an inner surface of the barrel part and joined with an outer circumference of the shaft part. The barrel part, the shaft part and the intermediate part are respectively formed of ceramic, and joined with each other.
摘要翻译：要解决的问题：为了提供具有大直径，特别是≥300mm的外径的陶瓷制的热浸镀金属浴的辊，并且能够在成形或烘烤期间消除任何裂纹的麻烦在轴部分中。解决方案：用于热浸金属涂层的辊包括与钢板接触的中空筒部分，与轴承接触的轴部分和与筒体的内表面接合的中间部分并与轴部的外周连接。筒部，轴部和中间部分分别由陶瓷形成，并且彼此接合。

2. 发明专利

JP2015013305A ダイカストスリーブの再生方法及び再生されたダイカストスリーブ有权
标题翻译： DIE铸造套管再生工艺和再生DIE铸造套管
公开(公告)号：JP2015013305A
公开(公告)日：2015-01-22
申请号：JP2013141545
申请日：2013-07-05
申请人：日立金属株式会社 , Hitachi Metals Ltd
发明人： SHIMIZU KENICHIRO , KUMAGAI NORIO , HISANABE HIDEFUMI
IPC分类号： B22D17/20 , C23C4/06 , C25D5/28 , C25D7/00
CPC分类号： B22D17/2023 , B22D21/007 , B23P6/00 , Y10T29/4973
摘要：【課題】外筒の外周面の真円度を十分に確保しつつ、焼嵌め式ダイカスト用スリーブを再生する方法を提供する。【解決手段】高強度低熱膨張性金属からなる外筒11内に、セラミックスからなる内筒12を焼嵌めしたダイカスト用スリーブ1を再生する方法であって、外筒11から使用済みの内筒12を焼外した後、外筒11内に新しい内筒12を焼嵌めする前又は後に外筒11の外周面に拡径層8を形成し、外筒11内に新しい内筒12を装着した後に拡径層8を円筒状外形に加工する方法。【選択図】図10
摘要翻译：要解决的问题：提供燃烧配合型压铸套筒再生过程，同时在壳体的外周面上充分确保圆形度。解决方案：提供了一种压铸套筒1的再生过程，该压铸套筒1通过燃烧和装配内部气缸12由陶瓷形成到由高强度低热膨胀型金属形成的壳体11的内部。在从壳体11燃烧除去使用的内筒12之后，在新的内筒12被燃烧并装配到壳体11的内部之前或之后，在壳体11的外周面上形成有直径扩大层8。在将新的内筒12安装到壳体11的内部之后，直径膨胀层8被加工成圆柱形轮廓。

3. 发明专利

JP2006315007A Sleeve for die casting 审中-公开
标题翻译：套管套管
公开(公告)号：JP2006315007A
公开(公告)日：2006-11-24
申请号：JP2005136780
申请日：2005-05-10
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： SHIMIZU KENICHIRO , MATSUNO SHIGEHIRO
IPC分类号： B22D17/20 , B22D13/02 , B22D19/08 , C22C37/08 , C22C38/00 , C22C38/46
摘要： PROBLEM TO BE SOLVED: To provide a sleeve for die casting having no need of heating and holding to a high temperature region in the middle of cooling after centrifugal casting, having no generation of cracks in a covering alloy layer even if being air-cooled to ordinary temperature, and having sufficient hardness and strength in an outer tube to die-casting.
SOLUTION: The sleeve for die-casting is obtained by coating the inside face of a hollow cylindrical outer tube with an erosion resistant and wear resistant alloy by a centrifugal casting process, and the outer tube is composed of a non-heat-treated steel. Further, as the outer tube, a steel based material, when being heated at 900 to 1,300°C and thereafter cooled to ordinary temperature at a cooling rate of 10 to 80°C/min, having a substantially pearlitic structure or a mixed structure of ferrite and pearlite is used.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于压铸的套筒，其不需要在离心铸造之后的冷却中间的高温区域加热保持，即使是空气也不会在覆盖合金层中产生裂纹冷却至常温，并在外管中具有足够的硬度和强度以进行压铸。解决方案：用于压铸的套筒是通过用离心铸造工艺用耐腐蚀和耐磨合金涂覆中空圆柱形外管的内表面而得到的，外管由非热处理组成，处理钢。此外，作为外管，作为钢基材料，在900〜1300℃下加热，然后以10〜80℃/分钟的冷却速度冷却至常温，具有大致珠光体结构或混合结构使用铁素体和珠光体。版权所有（C）2007，JPO＆INPIT

4. 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

5. 发明专利

JP2004181519A Device for preventing backflow for light alloy injection-molding machine 审中-公开
公开(公告)号：JP2004181519A
公开(公告)日：2004-07-02
申请号：JP2002355024
申请日：2002-12-06
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： HIRAKAWA SHIGERU , SHIMIZU KENICHIRO
IPC分类号： F16J15/16 , B22D17/20 , B22D17/30
摘要： PROBLEM TO BE SOLVED: To provide a device for preventing backflow with which in the backflow preventive device for light alloy injection molding machine, damage at a contacting portion of a backflow preventive ring with a seat ring is prevented and this device is produced at a low cost.
SOLUTION: In the backflow preventive device for light alloy injection molding machine having the backflow preventive ring fitted onto the out of the tip part of a screw so as to be freely shiftable in an axial direction, and the seat ring in contact with when the backflow preventive ring is retreated, to at least either one side of the contacting surface of the backflow preventive ring with the seat ring and the contacting surface of the seat ring with the backflow preventive ring, a harder material than the hardness of base materials forming respective members is peculiarly welded.
COPYRIGHT: (C)2004,JPO&NCIPI

6. 发明专利

JP2011073942A Silicon nitride sintered compact and method for production thereof 审中-公开
标题翻译：氮化硅烧结紧凑及其生产方法
公开(公告)号：JP2011073942A
公开(公告)日：2011-04-14
申请号：JP2009228996
申请日：2009-09-30
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： C04B35/584
摘要： PROBLEM TO BE SOLVED: To obtain a silicon nitride sintered product being well wettable with hot molten aluminum and having high strength and high thermal shock resistance. SOLUTION: There is provided the silicon nitride sintered product prepared by sintering an aggregate of a silicon nitride ceramic spherical powder comprising a silicon nitride raw material powder in the core of which boron nitride particles are concentatedly located, boron nitride particles, and an auxiliaries. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：获得用热熔融铝良好润湿并具有高强度和高耐热冲击性的氮化硅烧结产品。解决方案：提供了通过将氮化硅陶瓷球形粉末的集合体烧结而制备的氮化硅烧结体，其中氮化硅陶瓷球形粉末包含氮化硼原料粉末在其中氮化硼颗粒集中位于的芯，氮化硼颗粒和助剂。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2008221220A Spool bush for die casting machine 审中-公开
标题翻译： DIY铸造机SPOOL BUSH
公开(公告)号：JP2008221220A
公开(公告)日：2008-09-25
申请号：JP2007058378
申请日：2007-03-08
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： SHIMIZU KENICHIRO , HAMAYOSHI SHIGEYUKI , TERAYAMA MASASHI
IPC分类号： B22D17/20
摘要： PROBLEM TO BE SOLVED: To provide a spool bush for a die casting machine which employs a compound structure formed with a coating layer having excellent wear resistance and erosion resistance in a portion wetted with the molten metal of a spool bush body and in which the thermal expansion of the spool bush body can be suppressed.
SOLUTION: At least the portion contacting the molten metal of the spool bush body composed of a high-strength low thermal expansion metallic material having an average coefficient of thermal expansion of 1 to 5x10
-6 /°C at 20 to 300°C and ≥5x10
-6 /°C at 20 to 500°C is subjected to metal joining of a coating layer composed of at least any among an Fe-based alloy, a Co-based alloy, an Ni-based alloy, and a Ti-based alloy.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：提供一种用于压铸机的滑动轴套，其采用在具有优异的耐磨性和耐腐蚀性的涂层形成的复合结构，该润滑层在被卷轴套体的熔融金属润湿的部分中可以抑制线轴套筒体的热膨胀。解决方案：至少接触卷轴衬套主体的熔融金属的部分，其由具有平均热膨胀系数为1至5×10 -6 -6 /秒的高强度低热膨胀金属材料组成，在20〜300℃的温度下，在20〜500℃下，≥5×10 -6 -6℃/℃进行金属接合，所述被覆层由Fe系合金， Co基合金，Ni基合金和Ti基合金。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2007063576A Alloy for nonferrous molten metal 审中-公开
标题翻译：合金非金属金属
公开(公告)号：JP2007063576A
公开(公告)日：2007-03-15
申请号：JP2005247388
申请日：2005-08-29
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： SHIMIZU KENICHIRO , MATSUNO SHIGEHIRO
IPC分类号： C22C37/00 , C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide an alloy for nonferrous molten metal which is applicable to various erosion resistant alloys to be used in contact with a nonferrous molten metal, has excellent erosion resistance, wear resistance, oxidation resistance and heat retaining properties, is suppressive in deformation upon repeated use at high temperature, and also has excellent machinability. SOLUTION: This alloy contains, by mass, 1.0 to 4.0% C, 0.2 to 4.0% Si, 0.1 to 2.0% Mn, ≤2.0% Ni, 10.0 to 25.0% Cr, ≤9.0% Mo and 4.0 to 15.0% V, and the balance Fe with inevitable impurity elements. The alloy for nonferrous molten metal further comprises one or more selected from ≤5.0% Co, ≤2.0% Cu, 0.001 to 0.1% Al, COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供适用于与有色熔融金属接触的各种耐腐蚀合金的有色熔融金属的合金，具有优异的耐侵蚀性，耐磨性，抗氧化性和保热性，在高温下反复使用时变形抑制，并且具有优异的机械加工性。解决方案：该合金含有1.0〜4.0％的C，0.2〜4.0％的Si，0.1〜2.0％的Mn，≤2.0％的Ni，10.0〜25.0％的Cr，≤9.0％的Mo和4.0〜15.0质量％ V，余量为Fe与不可避免的杂质元素。用于有色熔融金属的合金还包括选自≤5.0％Co，≤2.0％Cu，0.001至0.1％Al，<0.2％W和≤10.0％Nb中的一种或多种。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2006291285A Erosion-resistant member for nonferrous molten metal 审中-公开
标题翻译：耐腐蚀成员非腐蚀性金属
公开(公告)号：JP2006291285A
公开(公告)日：2006-10-26
申请号：JP2005113291
申请日：2005-04-11
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： OGAWA EISUKE , SHIMIZU KENICHIRO , MATSUNO SHIGEHIRO
IPC分类号： C22C38/00 , B22D17/20 , C22C37/00 , C22C38/58 , C23C8/26 , C23C8/28
摘要： PROBLEM TO BE SOLVED: To provide an erosion-resistant member superior in erosion resistance, abrasion resistance, oxidation resistance and heat retaining properties for a nonferrous molten metal, to which various erosion-resistant alloys to be used in contact with the nonferrous molten metal can be applied.
SOLUTION: The erosion-resistant member for the nonferrous molten metal has a coating layer or a base metal comprising, by mass%, 1.0-4.0% C, 0.2-4.0% Si, 0.1-5.0% Mn, less than 4.0% Ni, 10.0-25.0% Cr, 9.0% or less Mo, 4.0-15.0% V and the balance Fe with unavoidable impurity elements provided on at least one part of the surface contacting with the nonferrous molten metal; and has a nitrided layer formed on the surface of the coating layer or the base metal. The coating layer or the base metal also includes, by mass%, one or more of less than 0.2% W, 5.0% or less Co, 10.0% or less Nb and 3.0% or less Al.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供耐腐蚀性，耐腐蚀性，耐磨性，耐氧化性和耐热性能优异的耐腐蚀性构件，对于与有色金属接触使用的各种耐腐蚀合金，可以施加熔融金属。解决方案：有色熔融金属的耐腐蚀构件具有涂层或贱金属，以质量％计含有1.0-4.0％C，0.2-4.0％Si，0.1-5.0％Mn，小于4.0 ％Ni，10.0-25.0％Cr，9.0％或更低的Mo，4.0-15.0％V，余量为不可避免的杂质元素的Fe与在有色熔融金属接触的表面的至少一部分上提供; 并且在被覆层或母材的表面上形成有氮化层。所述被覆层或所述母材的质量％还包含小于0.2％W，5.0％以下Co，10.0％以下Nb和3.0％以下Al的一种或多种。版权所有（C）2007，JPO＆INPIT

10. 发明专利

JP2006289772A Composite cylinder for molding machine 审中-公开
标题翻译：成型机用复合圆筒
公开(公告)号：JP2006289772A
公开(公告)日：2006-10-26
申请号：JP2005113294
申请日：2005-04-11
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： HIRAKAWA SHIGERU , SHIMIZU KENICHIRO , HISANABE HIDEFUMI
IPC分类号： B29C45/62 , B29C47/66
摘要： PROBLEM TO BE SOLVED: To provide a composite cylinder for a molding machine, having a sufficiently long service life and excellent abrasion resistance even when used for molding a resin containing a large amount of a thermosetting resin, a mineral and a glass fiber.
SOLUTION: The composite cylinder 1 for molding machine is the one in which the coating layer 2 excellent in abrasion resistance is formed on the inner surface of the outer cylinder 3 that is made of a steel material. The coating layer 2 consists of an Fe-based alloy which contains by mass%: C:1.0-3.0%, Si:0.1-2.0%, Mn:0.1-2.0%, Ni≤4.5%, Cr:3.0-10.0%, Mo:0.1-9.0%, V:4.0-10.0%, and W≤10.0%.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于成型机的复合气缸，即使在用于模制含有大量热固性树脂，矿物和玻璃纤维的树脂时也具有足够的使用寿命和优异的耐磨性。解决方案：用于成型机的复合圆筒1是在由钢材制成的外筒3的内表面上形成耐磨性优异的涂层2的复合圆筒1。涂层2由以质量％计含有：C：1.0-3.0％，Si：0.1〜2.0％，Mn：0.1〜2.0％，Ni≤4.5％，Cr：3.0〜10.0％的Fe系合金构成， Mo：0.1-9.0％，V：4.0〜10.0％，W≤10.0％。版权所有（C）2007，JPO＆INPIT

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