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    • 1. 发明专利
    • Neck-in formation method of steel can
    • 钢罐的形成方法
    • JP2011088188A
    • 2011-05-06
    • JP2009243932
    • 2009-10-23
    • Nippon Steel Corp新日本製鐵株式会社
    • YAMAMOTO SHUJIMURAKAMI HIDEKUNIAITO TAKAHIROYOKOYA HIROICHI
    • B21D51/26
    • PROBLEM TO BE SOLVED: To provide a neck-in formation method for forming a steel can used in beverage and food applications or aerosol applications or the like without causing any wrinkle during the neck-in formation.
      SOLUTION: In the neck-in formation method of a cylindrical steel can with the diameter reduction ratio Rd of ≥6% to ≤8% by using a columnar die 2 arranged with its center axis matched with that of a necking die 1, the formation starting point 3 and the formation ending point 4 of the necking die are connected to each other via two arcs in a circumscribed manner, the radius R1 of the arc on the formation starting point side is set so as to satisfy 0.049Din≤R1≤0.062Din, and the area angle θ1 of the arc having the radius of R1 is set so as to satisfy 56°≤θ1≤62°. Rd satisfies the formula Rd=((Din-Dout)/Din)×100, where Din represents outside diameter (mm) of the can before neck-in formation, and Din represents outside diameter (mm) of the can after neck-in formation.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种用于形成用于饮料和食品应用或气溶胶应用等中的钢罐的颈缩形成方法,而不会在颈部形成期间引起任何皱纹。

      解决方案:通过使用其中心轴与颈缩模1的中心轴配合的柱状模具2,在直径减小比Rd≥6%〜≤8%的圆筒形钢罐的颈缩成形方法中 ,颈缩模的形成起点3和形成结束点4通过外接两个弧相互连接,形成起始点侧的电弧的半径R1被设定为满足0.049Din≤ R1≤0.062Din,将半径R1的电弧的面角度θ1设定为满足56°≤θ1≤62°。 Rd满足公式Rd =((Din-Dout)/ Din)×100,其中Din表示在颈缩形成之前罐的外径(mm),Din表示颈缩后罐的外径(mm) 形成。 版权所有(C)2011,JPO&INPIT

    • 2. 发明专利
    • Method of producing tin-plated steel sheet having excellent adhesiveness to coating film after retort
    • 生产具有优异粘合性的镀锡钢板的方法
    • JP2010209414A
    • 2010-09-24
    • JP2009056962
    • 2009-03-10
    • Nippon Steel Corp新日本製鐵株式会社
    • NISHIDA HIROSHIHIRANO SHIGERUHASEGAWA KAZUNARIOTA MASAYUKITAKAMIYA TOSHIAKIYOKOYA HIROICHI
    • C25D5/48C23C28/00
    • PROBLEM TO BE SOLVED: To provide a method of producing tin-plated steel sheet having excellent adhesiveness to coating film after retort without conducting large equipment reconstruction. SOLUTION: In the method of producing the tin-plated steel having excellent retort adhesiveness, the method of producing the tin-plated steel sheet for a can by applying a pretreatment, tin plating, a reflow treatment and a chemical conversion treatment on a cold rolled steel sheet is carried out as follows: the tin-plating is applied on the inner surface of the can to have ≥1.5 g/m 2 coating weight in the tin plating step, a reflow is carried out so that the melting time in the tin-plating is 0.1-0.7 sec in the reflow step and after immersing in a sodium bichromate aqueous solution by an electroless state for 0.5-4.0 sec, the chemical conversion treatment by cathodic electrolysis is carried out on tin-plating by passing current at 0.8-6.5 C/dm 2 in the sodium bichromate aqueous solution. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种在蒸煮后对涂膜具有优异粘附性的镀锡钢板的生产方法,而不进行大型设备重建。 解决方案:在制造具有优良蒸馏粘合性的镀锡钢的方法中,通过对预处理,镀锡,回流处理和化学转化处理进行预处理,镀锡,回流处理和化学转化处理来制造罐用镀锡钢板的方法 如下进行冷轧钢板:在镀锡步骤中,在罐的内表面上施加镀锡以在镀锡步骤中具有≥1.5g/ m 2(SP> 2)涂层重量,回流为 使得在回流工序中镀锡时的熔融时间为0.1-0.7秒,通过化学镀浸渍在重铬酸钠水溶液中0.5-4.0秒后,通过阴极电解进行化学转化处理 通过在重铬酸钠水溶液中以0.8-6.5C / dm 2 / SP>的电流通过镀锡。 版权所有(C)2010,JPO&INPIT
    • 3. 发明专利
    • Steel sheet for vessel
    • 船用钢板
    • JP2009001854A
    • 2009-01-08
    • JP2007163199
    • 2007-06-20
    • Nippon Steel Corp新日本製鐵株式会社
    • TACHIKI HIKARIHIRANO SHIGERUNISHIDA HIROSHIYOKOYA HIROICHIMIYAZAKI HIRONOBUNODA MASAKAZU
    • C23C28/00B32B15/08C23C22/33C25D5/26C25D11/36C25D11/38
    • PROBLEM TO BE SOLVED: To provide a steel sheet for a vessel having excellent corrosion resistance and can making workability.
      SOLUTION: The steel sheet for a vessel is provided with: a plated steel sheet in which a substrate Ni layer is formed on the surface of a steel sheet and an Sn plating layer applied to the surface of the substrate Ni layer and including insular Sn obtained by alloying a part of Sn plating and a part or the whole of the substrate Ni layer is formed; and a chemical conversion coating layer formed on the plated steel sheet and including at least any two coating films selected from a Zr coating film formed from one or two or more kinds of Zr compounds and containing Zr by 0.1 to 9 mg/m
      2 in a metal Zr amount, a phosphoric acid coating film formed from one or two or more kinds of phosphoric acid compounds and containing P by 0.1 to 8 mg/m
      2 in a P amount and a phenol resin coating film containing a phenol resin by 0.05 to 8 mg/m
      2 in a C amount. Provided that the major axis of an optional particle in the chemical conversion coating layer is denoted as a and the minor axis is denoted as b, (a+b)/2≤200(nm) is satisfied, and the chemical conversion coating layer contains a Cr compound by 0.01 to 5 mg/m
      2 expressed in terms of a metal Cr amount.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种具有优异的耐腐蚀性并且可以提高加工性的用于容器的钢板。 < P>解决方案:用于容器的钢板设置有:在钢板表面上形成基板Ni层的镀覆钢板和施加到基板Ni层表面的Sn镀层,并且包括 形成通过使Sn镀层的一部分合金化和基板Ni层的一部分或全部而获得的岛状Sn; 以及形成在所述镀覆钢板上的化学转化涂层,所述化学转化涂层至少包含选自由一种或两种以上的Zr化合物形成的Zr涂膜中的至少两种涂膜,并且Zr含有0.1〜9mg / m 2 2 ,由一种或两种以上磷酸化合物形成的P含量为0.1〜8mg / m 2 SP / P的磷酸涂膜,P量 和含有酚醛树脂的酚醛树脂涂膜,其含量为0.05〜8mg / m 2 SPF。 假设化学转化涂层中的任意粒子的长轴为a,短轴为b,则满足(a + b)/2≤200(nm),化学转化覆膜含有 按金属Cr量表示的0.01〜5mg / m 2的化合物。 版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Steel sheet for side seamless can, and its production method
    • 无缝可焊钢板及其生产方法
    • JP2008063619A
    • 2008-03-21
    • JP2006242741
    • 2006-09-07
    • Nippon Steel Corp新日本製鐵株式会社
    • YOKOYA HIROICHITANAKA SEIICHI
    • C22C38/00C21D9/48C22C38/06
    • PROBLEM TO BE SOLVED: To provide a steel sheet for a side seamless can free from strain aging even when being heated, and also having excellent can strength, and to provide its production method.
      SOLUTION: The steel sheet for a side seamless can having excellent can strength is a surface treated steel sheet having steel components comprising, by mass, 0.02 to 0.08% C, ≤0.5% Si, 0.1 to 0.2% Mn, ≤0.04% P, 0.005 to 0.02% S, ≤0.03% Sol.Al, ≤0.006% N and 0.002 to 0.01% B, and also, having the relations of Mn/S: 10 to 30 and B/N: 0.5 to 1.7, and the balance Fe with inevitable impurities, and has a steel sheet thickness of 0.12 to 0.23 mm, and in which the yield strength YS in the rolling direction of the steel sheet is 420 to 640 MPa. Even when the steel sheet is heated at 210°C for ≤30 min, its yield point elongation value YPEl in the rolling direction after cooling is 0%, thus it is perfectly non-aged and stretcher strain is not generated. The method for production of the steel sheet is also provided.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 待解决的问题:为了提供即使在加热时也能够无应变老化的侧面无缝钢板,并且还具有优异的强度,并且提供其制造方法。 解决方案:具有优异的罐强度的侧面无缝钢板是具有钢质成分的质量为0.02〜0.08%的C,≤0.5%的Si,0.1〜0.2%的Mn,≤0.04的表面处理钢板 %P,0.005〜0.02%S,≤0.03%Sol.Al,≤0.006%N,0.002〜0.01%B,Mn / S:10〜30和B / N:0.5〜1.7的关系, 余量为Fe的不可避免的杂质,钢板厚度为0.12〜0.23mm,钢板的轧制方向的屈服强度YS为420〜640MPa。 即使钢板在210℃下加热≤30分钟,冷却后的轧制方向的屈服点伸长率YPE1为0%,因此不会产生非老化和拉伸应变。 还提供了生产钢板的方法。 版权所有(C)2008,JPO&INPIT
    • 5. 发明专利
    • Resin film for metal plate coating and resin film-coated metal plate, and its manufacturing method
    • 金属板涂料和树脂薄膜包覆金属板的树脂膜及其制造方法
    • JP2007284616A
    • 2007-11-01
    • JP2006115837
    • 2006-04-19
    • Nippon Steel Corp新日本製鐵株式会社
    • TACHIKI HIKARIHIRANO SHIGERUNISHIDA HIROSHIYOKOYA HIROICHIKATAOKA TAKEHARU
    • C08J5/18B32B15/09
    • PROBLEM TO BE SOLVED: To provide a resin film for coating a laminated steel plate for a can, which is used by squeezing and drawing, and excellent in scratch resistance, a resin film-coated metal plate excellent in scratch resistance, and its manufacturing method. SOLUTION: This resin film for metal plate coating is a film, which is a mixture of a rubber-like elastomer resin and at least three thermoplastic resins which are polyolefin copolymer resins containing not greater than 10 mass% of a unit containing epoxy group to a polyester resin of which intrinsic viscosity is prescribed, and is in a substantially not yet oriented condition having a structure of the rubber-like elastomer resin dispersed in the polyester resin, and its exposed area rate of rubber-like elastomer and/or the polyolefin copolymer resin at the center of the film thickness of the film contacting the metal plate and parallel to the metal surface is prescribed, and this resin film coated metal is prepared by using the film. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于涂布用于挤压和拉伸使用的罐的层压钢板和耐刮擦性优异的树脂膜,耐刮擦性优异的树脂膜涂覆金属板,以及 其制造方法。 解决方案:该金属板涂覆用树脂薄膜是橡胶状弹性体树脂和至少3种热塑性树脂的混合物,它们是含有不大于10质量%含环氧基的单元的聚烯烃共聚物树脂 组合成具有特性粘度的聚酯树脂,并且处于基本上尚未定向的状态,其具有分散在聚酯树脂中的橡胶状弹性体树脂的结构,并且其橡胶状弹性体的暴露面积率和/或 规定了与金属板接触并平行于金属表面的膜的膜厚中心处的聚烯烃共聚物树脂,并且通过使用该膜制备该树脂膜涂覆的金属。 版权所有(C)2008,JPO&INPIT
    • 6. 发明专利
    • Resin film for covering metal plate, metal plate covered with resin film and method for producing the same
    • 用于覆盖金属板的树脂膜,覆盖有树脂膜的金属板及其制造方法
    • JP2007204630A
    • 2007-08-16
    • JP2006025671
    • 2006-02-02
    • Nippon Steel Corp新日本製鐵株式会社
    • TACHIKI HIKARIHIRANO SHIGERUNISHIDA HIROSHIYOKOYA HIROICHIKATAOKA TAKEHARU
    • C08J5/18B29C47/02B29K21/00B29K67/00B29L9/00B32B15/09B32B27/32B32B27/36C08L67/02
    • PROBLEM TO BE SOLVED: To provide a resin film having excellent corrosion resistance and used for the covering of a laminated steel plate for can to be worked by drawing or drawing and ironing and provide a metal plate covered with the resin film having excellent corrosion resistance. SOLUTION: The resin film for covering a metal plate is an essentially non-oriented film having a structure containing a rubbery elastomer resin dispersed in a polyester resin and produced by mixing a polyester resin having a specified intrinsic viscosity with a rubbery elastomer resin and at least three kinds of thermoplastic resins comprising polyolefin copolymer resins containing ≤10 mass% unit containing epoxy group, and having a specified exposure area ratio of the rubbery elastomer and/or the polyolefin copolymer resin on the film surface contacting with the metal plate. The metal plate is used of the covering film. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供具有优异耐腐蚀性的树脂膜,用于通过拉伸或拉伸和熨烫来加工罐的层压钢板的覆盖层,并提供覆盖有优异的树脂膜的金属板 耐腐蚀性能。 解决方案:用于覆盖金属板的树脂膜是基本上无取向的膜,其具有包含分散在聚酯树脂中的橡胶状弹性体树脂的结构,并且通过将具有特定特性粘度的聚酯树脂与橡胶状弹性体树脂 和包含含有≤10质量%含有环氧基的单元的聚烯烃共聚物树脂的至少三种热塑性树脂,并且在与金属板接触的膜表面上具有指定的橡胶弹性体和/或聚烯烃共聚物树脂的暴露面积比。 金属板用于覆盖膜。 版权所有(C)2007,JPO&INPIT
    • 7. 发明专利
    • Apparatus for making can with which generation of hair is prevented
    • 用于制造可防止头发发生的装置
    • JP2006026670A
    • 2006-02-02
    • JP2004206723
    • 2004-07-14
    • Nippon Steel Corp新日本製鐵株式会社
    • SAKAI TATSUHIKONISHIDA HIROSHIYOKOYA HIROICHI
    • B21D51/26B23K26/00B23K26/16
    • PROBLEM TO BE SOLVED: To provide an apparatus and method of can making by which an odor and the change of a surface property due to resin vapor are not generated by preventing a coating-film hair and a film hair and, further, preventing resticking of the gasified resin vapor onto the surface of a metal plate when manufacturing a drawn and ironed can by taking the metal plate on at least one side of the base material of which an organic coating film is formed as a base stock. SOLUTION: In a apparatus for manufacturing a metallic container by cutting the metallic sheet at least one side of which is coated with a resin coating film into a disk shape and performing cupping and drawn-ironed molding using the disk, this apparatus of the can making for preventing the generation of the resin hair is provided with a device 4 for applying a laser beam to the vicinity of the cutting part of the metallic sheet to be cut into the disk shape, a mask 12 for covering the inside of the vicinity of the cutting part and a gas sucking and discharging chamber 9 for covering the outside of the vicinity of the cutting part to be cut into the disk shape. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种可以通过防止涂膜毛发和膜毛发生而不产生由于树脂蒸气而导致的气味和表面性质变化的制造装置和方法,此外, 通过在形成有机涂膜的基材的至少一个侧面上的金属板作为基础原料,防止在制造拉制和熨烫的罐时将气化的树脂蒸汽重新排列到金属板的表面上。 解决方案:在金属容器的制造装置中,将金属板的至少一面用树脂被覆膜形成盘状,并使用盘进行拔罐和拉拔成形, 设置有用于防止产生树脂毛发的罐头设置有用于将激光束施加到要切割成盘形的金属片的切割部分附近的装置4,用于覆盖 切割部附近以及用于覆盖被切割成切割部的附近的外侧的气体吸引排出室9。 版权所有(C)2006,JPO&NCIPI