会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明专利
    • Refractory, manufacturing method of refractory, and immersion nozzle for continuous molding
    • 耐火材料制造方法,连续铸造用浸渍喷嘴
    • JP2014148430A
    • 2014-08-21
    • JP2013017011
    • 2013-01-31
    • Nippon Steel & Sumitomo Metal新日鐵住金株式会社Kurosaki Harima Corp黒崎播磨株式会社
    • KATAOKA ATSUICHIROIKEMOTO TADASHIIMAWAKA HIROSHISHIOKAWA MASAHITOWAKITA TAMOTSUMATSUI TAIJIROMORIKAWA KATSUMI
    • C04B35/103B22D11/10B22D41/54C04B38/00
    • PROBLEM TO BE SOLVED: To provide a refractory for an aeration of an immersion nozzle inhibiting changes of aeration property with molding time passage, stabilizing aeration property during molding and capable of preventing damage accidents during molding around a powder part.SOLUTION: There is provided a refractory containing a secondary particles having length of over 0.05 mm and 2 mm or less formed by aggregating a primary particles which are flat shape alumina particles having an aspect ratio of 5 to 50, and containing 55 mass% to 90 mass% of the secondary particles after a heating treatment in a non-oxidation atmosphere at 1500°C for 3 hours, AlOof 98 mass% or more as a component excluding carbon in the secondary particles, and as chemical components, free carbon of 3 mass% to 45 mass%, SiC of 1 mass% to 10 mass%, and having the total content of single compounds SiO, an alkali metal oxide, an alkaline earth metal oxide, TiOand other inevitable components from a production view point of 2 mass% or less.
    • 要解决的问题:提供一种用于通过浸渍喷嘴通气的耐火材料,其抑制成型时间通过的通气性变化,在成型期间稳定通风性能并且能够防止在粉末部件周围的成型期间的损坏事故。解决方案:提供一种 含有长度大于0.05mm和2mm以下的二次粒子的耐火材料,其通过聚集长径比为5〜50的平坦状氧化铝粒子的一次粒子,并含有55质量%〜90质量%的二次粒子 在非氧化性气氛中在1500℃下加热处理3小时后,作为除二次粒子以外的碳以外的成分为98质量%以上的AlO,作为3质量%〜45质量%的游离碳的化学成分, 1质量%〜10质量%的SiC,从生产观点考虑,具有单一化合物SiO,碱金属氧化物,碱土金属氧化物,TiO和其它不可避免的成分的总含量 nt为2质量%以下。
    • 2. 发明专利
    • Filling pipe
    • 灌装管
    • JP2013154352A
    • 2013-08-15
    • JP2012014374
    • 2012-01-26
    • Kurosaki Harima Corp黒崎播磨株式会社Nippon Steel & Sumitomo Metal Corp新日鐵住金株式会社
    • MORIKAWA KATSUMISASAKI AKINARITSUKAGUCHI YUICHI
    • B22D41/50B22D11/10
    • PROBLEM TO BE SOLVED: To prevent a metal from depositing at an inner wall surface of a filling pipe and impairing a flow of a molten steel.SOLUTION: A filling pipe includes a plurality of layers of which part or the whole of a region is formed of different materials, in a radial direction. In the region constituted of the plurality of layers, a lining layer 2 that is a layer positioned on an innermost-hole side except for an anti-oxidation layer 3, and a layer 4 adjacent to an outer peripheral side of the lining layer form an integral structure. The lining layer 2 after being subjected to heating in a non-oxidizing atmosphere at 1,000°C contains, in terms of chemical component values, 60-97 mass% carbon except for a compound with elements other than carbon; and 3-40 mass% SiC.
    • 要解决的问题:防止金属在填充管的内壁表面沉积并损害钢水的流动。解决方案:一种填充管包括多个层,部分或全部区域形成 的不同材料,沿径向。 在由多个层构成的区域中,除了抗氧化层3之外,位于最内侧的层的衬里层2和与衬里层的外周侧相邻的层4形成 整体结构。 在1000℃的非氧化性气氛下进行加热后的衬里层2除了碳以外的元素以外,含有60〜97质量%的碳的化学成分值, 和3-40质量%的SiC。
    • 3. 发明专利
    • Refractory for continuous casting and nozzle for continuous casting
    • 连续铸造和喷枪的连续铸造用耐火材料
    • JP2013035040A
    • 2013-02-21
    • JP2011173893
    • 2011-08-09
    • Kurosaki Harima Corp黒崎播磨株式会社Nippon Steel & Sumitomo Metal Corp新日鐵住金株式会社
    • MORIKAWA KATSUMISASAKI AKINARIFUKUNAGA SHINICHIABE YUSUKESUZUKI HIDEJI
    • B22D11/10C04B35/66
    • PROBLEM TO BE SOLVED: To provide a refractory for continuous casting and a nozzle for continuous casting having high infiltration resistance and corrosion resistance against slag components or the like, and also having spalling resistance even in continuous casting of molten steel containing in-steel inclusions (slag components) of complex oxide type which is highly erosive for the refractory.SOLUTION: By specifying the chemical components and the mineral compositions in the grain size area of ≤0.045 mm, a film-like dense and thin spinel (a secondary spinel) is rapidly generated on the side in contact with molten steel of the refractory having pores on an operating surface and inside thereof, and the inside of the refractory is protected thereby, and the infiltration property and the erosion are reduced. Further, by specifying the grain size constitution of the refractory, the spalling resistance is ensured.
    • 要解决的问题:为了提供连续铸造用耐火材料和连续铸造用喷嘴,其具有高的耐渗透性和对炉渣成分等的耐腐蚀性,并且即使在连续铸造含有熔融钢水的钢水中也具有防剥离性, 对耐火材料具有高度腐蚀性的复合氧化物类型的钢夹杂物(炉渣成分)。 解决方案:通过在≤0.045mm的粒度范围内指定化学成分和矿物组成,在与钢水中的钢水接触的一侧上快速产生膜状致密和薄的尖晶石(二次尖晶石) 耐火材料在操作表面和内部具有孔隙,并且耐火材料的内部被保护,并且渗透性能和侵蚀性降低。 此外,通过规定耐火材料的粒径构成,确保了耐剥落性。 版权所有(C)2013,JPO&INPIT
    • 4. 发明专利
    • Nozzle for continuous casting
    • 喷嘴用于连续铸造
    • JP2010167481A
    • 2010-08-05
    • JP2009014439
    • 2009-01-26
    • Kurosaki Harima CorpNippon Steel Corp新日本製鐵株式会社黒崎播磨株式会社
    • MORIKAWA KATSUMISASAKI AKINARIYOSHITOMI TAKENORIHIRAIWA YOSHITAKAKURATANI HIDEYAHIRATA TAKESHITAKEUCHI TOMOHIDEITO SATOSHI
    • B22D11/10B22D41/54C04B35/043C04B35/06
    • PROBLEM TO BE SOLVED: To provide a nozzle for continuous casting, having dolomite clinker contained in an inner bore body, wherein difficulty to be deposited, corrosion resistance and thermal impact resistance are allowed to have in a well balance. SOLUTION: This invention relates to the nozzle for continuous casting, in which the inner bore body obtained by adding an organic binder to a refractory raw material compound, kneading the same, and, after molding, performing heat treatment is arranged in the inner bore of a nozzle body for continuous casting, wherein the refractory raw material blend contains dolomite clinker 1 with a grain size of >1 mm by ≤10 mass% (including 0), the one with a grain size of >0.1 to 1 mm by 20 to 90 mass% and the one with a grain size of ≤0.1 mm by COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供一种用于连续铸造的喷嘴,其具有包含在内孔体中的白云石熟料,其中难以沉积,耐腐蚀性和耐热冲击性被允许具有良好的平衡。 解决方案:本发明涉及连续铸造用喷嘴,其中将通过将有机粘合剂添加到耐火材料化合物而获得的内孔体,将其捏合,并且在成型后进行热处理,布置在 用于连续铸造的喷嘴体的内孔,其中所述耐火材料混合物包含粒径为> 1mm至≤10质量%(包括0)的白云石熟料1,其粒径为> 0.1至1mm 20质量%〜90质量%,粒径≤0.1mm×15质量%(包括0)的粉末,长径比≥10的粒子2,粒径≤500μm的石墨2,3〜20质量% %,平均晶粒大小≤1mm的镁砂熟料3。 版权所有(C)2010,JPO&INPIT
    • 6. 发明专利
    • Refractory for nozzle used for continuous casting and nozzle for continuous casting
    • 用于连续铸造和连续铸造的喷嘴的喷嘴用耐火材料
    • JP2010029895A
    • 2010-02-12
    • JP2008193734
    • 2008-07-28
    • Kurosaki Harima CorpNippon Steel Corp新日本製鐵株式会社黒崎播磨株式会社
    • MORIKAWA KATSUMISASAKI AKINARIHIRAIWA YOSHITAKANEHA KEIICHIROSADANO KENJIFUKUNAGA SHINICHITANAKA KAZUHISA
    • B22D11/10B22D41/50B22D41/54
    • PROBLEM TO BE SOLVED: To provide a refractory for an interlayer of a nozzle for continuous casting, which prevents press crack of an outer circumferential side layer due to thermal expansion difference of an inner hole side layer and an outer circumferential side layer made of a body material, has a shape capable of fixing the inner hole side layer to the outer circumferential side layer at a predetermined interval, and has a function for preventing exfoliation of the inner hole side layer during casting in the nozzle for continuous casting with an improved durability achieved by disposing a layer with high functions such as high corrosion resistance and high antiadhesiveness at the inner hole side. SOLUTION: The refractory contains ≥10 volume% and ≤75 volume% of a hollow refractory aggregate which satisfies the relation of R/t ≥10, wherein R is an average radius of a particle and t is an average wall thickness. The refractory contains one or more kinds of single metals or alloys of Al, Si, and Mg in an amount of ≥0.5 mass% and ≤15 mass% in total in terms of only a metal component, and carbon ≥2 mass% and ≤99.5 mass% of carbon, as a ratio of a residual part other than the hollow refractory aggregate to a total amount. The refractory is arranged between the inner hole side layer 2 and the outer circumferential side layer 3, 4 of the nozzle for continuous casting as the interlayer 1. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供用于连续铸造的喷嘴的中间层的耐火材料,其防止由于制成的内孔侧层和外周侧层的热膨胀差导致的外周侧层的挤压裂纹 具有能够以规定间隔将内孔侧层固定到外周侧层的形状,并且具有防止在铸造中的内孔侧层在用于连续铸造的喷嘴中的剥离的形状 通过在内孔侧设置具有高耐腐蚀性和高抗粘性等高功能的层来提高耐久性。 解决方案:耐火材料包含满足R /t≥10的关系的中空耐火骨料的≥10体积%和≤75体积%,其中R是颗粒的平均半径,t是平均壁厚。 该耐火材料含有一种或多种Al金属或Al的合金,其中Al,Si和Mg的合金量仅为金属成分的总量的≥0.5质量%和≤15质量%,碳≥2质量%≤ 99.5质量%的碳,作为中空耐火骨料以外的残留部分的比例为总量。 耐火材料布置在作为中间层1的连续铸造用喷嘴的内孔侧层2和外周侧层3,4之间。(C)2010,JPO&INPIT
    • 7. 发明专利
    • Refractory for interlayer of nozzle for continuous casting and nozzle for continuous casting
    • 用于连续铸造的喷嘴和连续喷射喷嘴的中间层的耐火材料
    • JP2010029894A
    • 2010-02-12
    • JP2008193730
    • 2008-07-28
    • Kurosaki Harima CorpNippon Steel Corp新日本製鐵株式会社黒崎播磨株式会社
    • MORIKAWA KATSUMISASAKI AKINARIHIRAIWA YOSHITAKANEHA KEIICHIROSADANO KENJIFUKUNAGA SHINICHITANAKA KAZUHISA
    • B22D11/10B22D41/50B22D41/54
    • PROBLEM TO BE SOLVED: To provide a refractory (mortar) for an interlayer of a nozzle for continuous casting, which prevents press crack of an outer circumferential side layer due to thermal expansion difference of an inner hole side layer and the outer circumferential side layer made of a body material and has a shape capable of fixing the inner hole side layer to the outer circumferential side layer (a body of the nozzle for continuous casting) at a predetermined interval in the nozzle for continuous casting with an improved durability achieved by disposing a layer with high functions such as high corrosion resistance and high antiadhesiveness at the inner hole side, and also to provide a nozzle for continuous casting using the refractory for the interlayer.
      SOLUTION: The refractory for the interlayer of the nozzle for continuous casting contains ≥10 volume% and ≤75 volume% of a hollow refractory aggregate which satisfies the relation of R/t≥10, wherein R is an average radius of a particle and t is an average wall thickness. The refractory is arranged between the inner hole side layer 2 and the outer circumferential side layer 3, 4 of the nozzle for continuous casting as the interlayer 1.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供用于连续铸造的喷嘴的中间层的耐火材料(砂浆),其防止由于内部空气侧层和外周侧层的热膨胀差引起的外周侧层的冲压 并且具有能够以提高的耐久性在连续铸造用喷嘴中以预定间隔将内孔侧层固定到外周侧层(用于连续铸造的喷嘴的主体)的形状 通过在内孔侧设置具有高耐腐蚀性和高抗粘性等高功能的层,并且还提供使用中间层的耐火材料进行连续铸造的喷嘴。 解决方案:用于连续铸造用喷嘴的中间层的耐火材料包含满足R /t≥10的关系的中空耐火骨料的≥10体积%和≤75体积%,其中R是平均半径 颗粒和t是平均壁厚。 耐火材料布置在作为中间层1的连续铸造用喷嘴的内孔侧层2和外周侧层3,4之间。(C)2010,JPO&INPIT
    • 9. 发明专利
    • Carbon-containing refractory
    • 含碳的耐火材料
    • JP2006008504A
    • 2006-01-12
    • JP2005151442
    • 2005-05-24
    • Kurosaki Harima Corp黒崎播磨株式会社
    • HOKII TOSHIYUKIFUCHIMOTO HIROYUKIHAREN KOICHIMORIKAWA KATSUMISURUGA TOSHIHIRO
    • C04B35/043B22D11/10F27D1/00
    • B82Y30/00
    • PROBLEM TO BE SOLVED: To provide a carbon-containing refractory having both excellent strength and thermal shock resistance, keeping excellent slag infiltration resistance and having sufficient durability. SOLUTION: The carbon-containing refractory is produced by adding ≤5 mass% fullerene in outer percentage and 0.5-5 mass% pitch in outer percentage with a thermosetting organic resin as an organic binder into magnesia based, spinel based, alumina based refractory raw material powder, kneading, forming and heat-treating. In the carbon-containing refractory, carbon nanofiber having 5-10 nm diameter and 100-300 nm length and is present in a bonded structure and the carbon-containing refractory is used suitably for a dipping nozzle or a long nozzle. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供具有优异的强度和耐热冲击性的含碳耐火材料,保持优异的耐熔渣渗透性并具有足够的耐久性。 解决方案:含碳耐火材料通过以外部百分比添加≤5质量%的富勒烯和外部百分比为0.5-5质量%的沥青,以热固性有机树脂作为有机粘合剂添加到氧化镁基,尖晶石型,氧化铝基 耐火原料粉末,捏合,成型和热处理。 在含碳耐火材料中,具有5-10nm直径和100-300nm长度并且存在于接合结构中的碳纳米纤维和含碳耐火材料适用于浸渍喷嘴或长喷嘴。 版权所有(C)2006,JPO&NCIPI
    • 10. 发明专利
    • Nozzle for continuous casting and method for manufacturing the same
    • 用于连续铸造的喷嘴及其制造方法
    • JP2010005662A
    • 2010-01-14
    • JP2008167836
    • 2008-06-26
    • Kurosaki Harima Corp黒崎播磨株式会社
    • MORIKAWA KATSUMISASAKI AKINARIHAREN KOICHIYOSHITOMI TAKENORIHIRAIWA YOSHITAKA
    • B22D11/10B22D41/50B22D41/54
    • PROBLEM TO BE SOLVED: To provide a nozzle for continuous casting in which durability is enhanced by arranging a refractory layer of high performance, e.g., high corrosion resistance or high adhesion preventive properties, on the inner hole side, and to provide a method for manufacturing a nozzle for continuous casting in which push breaking of the outer circumferential side layer due to the difference in thermal expansion between the inner hole side layer and the outer circumferential side layer of body material is prevented, and exfoliation of the inner hole side layer in the way of casting is prevented. SOLUTION: The nozzle for continuous casting has such an integral structure as the boundary portion of the inner hole side layer 2 and an intermediate layer 4 touches the boundary portion of the intermediate layer 4 and the outer circumferential side layer 3 directly wherein the bonding strength of the intermediate layer and the inner hole side layer and the outer circumferential side layer adjoining the intermediate layer is 0.01 to 1.5 Mpa in a 1,000°C non-oxidizing atmosphere, and a compression rate K(%) of the intermediate layer in the 1,000°C non-oxidizing atmosphere under the pressure of 2.5 Mpa is 10% to 80%. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供一种连续铸造用喷嘴,其通过在内孔侧配置高性能的耐火材料层(例如高耐腐蚀性或高附着力的性能)来提高耐久性,并提供一种 制造连续铸造用喷嘴的方法,其中防止由于内部空间侧层和主体材料的外周侧层之间的热膨胀差导致的外周侧层的推压断裂,并且内孔侧的剥离 防止了铸造方式的层。 解决方案:用于连续铸造的喷嘴具有与内孔侧层2的边界部分一样的一体结构,中间层4直接接触中间层4和外周侧层3的边界部分,其中, 在1000℃非氧化性气氛中,中间层与邻接中间层的内壁侧层和外周侧层的接合强度为0.01〜1.5Mpa,中间层的压缩率K(%)为 压力为2.5Mpa的1000℃非氧化性气氛为10%〜80%。 版权所有(C)2010,JPO&INPIT