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    • 1. 发明专利
    • Surface-treated metal plate, its production method, resin-coated metal plate, metal can and can cover
    • 表面处理金属板,其生产方法,树脂涂层金属板,金属罐和罐盖
    • JP2007119867A
    • 2007-05-17
    • JP2005314824
    • 2005-10-28
    • Jfe Steel KkJfeスチール株式会社
    • TANAKA TAKUMISUZUKI TAKESHIHAMAHARA KYOKOIWASA HIROKI
    • C23C28/00C25D9/08
    • PROBLEM TO BE SOLVED: To provide a surface-treated metal plate having excellent adhesion with a resin without using chromium, and to provide its production method.
      SOLUTION: In the surface-treated metal plate, at least one side of a metal plate is provided with a Zr and O-containing film, and the surface of the film is provided with an organic film. In the surface-treated metal plate, the content of Zr in the Zr and O-containing film is preferably controlled to 3 to 200 mg/m
      2 . The organic film is preferably formed by applying organic acid, and thereafter drying the same. Further, as the organic acid, hydroxy acid is preferable, and at least one kind of acid selected from citric acid, tartaric acid, glycolic acid, lactic acid, glyceric acid and mandelic acid is more preferable.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种与不使用铬的树脂具有优异粘合性的表面处理金属板,并提供其制造方法。 解决方案:在表面处理的金属板中,金属板的至少一侧设置有含Zr和O的膜,并且膜的表面设置有机膜。 在表面处理的金属板中,Zr和O的膜中的Zr含量优选控制在3〜200mg / m 2。 有机膜优选通过施加有机酸形成,然后干燥。 此外,作为有机酸,优选羟基酸,更优选选自柠檬酸,酒石酸,乙醇酸,乳酸,甘油酸和扁桃酸中的至少一种酸。 版权所有(C)2007,JPO&INPIT
    • 2. 发明专利
    • Manufacturing method of tinned steel strip
    • 钢带钢的制造方法
    • JP2006328446A
    • 2006-12-07
    • JP2005150287
    • 2005-05-24
    • Jfe Steel KkJfeスチール株式会社
    • HAMAHARA KYOKOSUZUKI TAKESHITANAKA TAKUMIIWASA HIROKI
    • C25D5/26C25D3/32
    • PROBLEM TO BE SOLVED: To provide a manufacturing method of tinned steel strip which permits the excellent plating uniformity even under a plating condition of high current density by using a plating bath containing methanesulfonic acid.
      SOLUTION: In the manufacturing method of tinned steel strip of subjecting a conveyed steel strip to an electric tin plating, the plating bath containing tin ion of 10 to 80 g/l, free methanesulfonic acid of 15 to 70 g/l, brightener of 0.1 to 10 g/l and antioxidant of 0.1 to 5 g/l is used and, when current density upon plating is defined as C A/dm
      2 , conveyance speed of the steel strip is R m/min and iron ion concentration in the plating bath is [Fe] g/l, tin ion concentration in the plating bath [Sn] g/l is adjusted so as to satisfy following equation 1; [Sn] ≥ (7.2+0.3×C-0.05×R+0.65×[Fe]).
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种镀锡钢带的制造方法,即使通过使用含有甲磺酸的镀浴,也能够在高电流密度的电镀条件下获得优异的镀层均匀性。 解决方案:在将输送的钢带进行电镀锡的镀锡钢带的制造方法中,含有10〜80g / l的锡离子,15〜70g / l的游离甲磺酸的镀浴, 使用0.1〜10g / l的增白剂和0.1〜5g / l的抗氧化剂,当电镀时的电流密度定义为CA / dm 2 时,钢带的输送速度为R m / min,电镀液中的铁离子浓度为[Fe] g / l,电镀浴中的锡离子浓度[Sn] g / l被调整为满足下式1: [Sn]≥(7.2 + 0.3×C-0.05×R + 0.65×[Fe])。 版权所有(C)2007,JPO&INPIT
    • 4. 发明专利
    • Surface-treated steel sheet and method of manufacturing the same
    • 表面处理钢板及其制造方法
    • JP2007146243A
    • 2007-06-14
    • JP2005343167
    • 2005-11-29
    • Jfe Steel KkJfeスチール株式会社
    • HAMAHARA KYOKOTANAKA TAKUMISUZUKI TAKESHIIWASA HIROKI
    • C25D5/26C25D5/48C25D5/50
    • PROBLEM TO BE SOLVED: To provide a surface-treated steel sheet excellent in rust resistance, corrosion resistance and stability of a coating film with time (yellowing property, adhesiveness to coating material) and the method of manufacturing the same; and further to provide the surface-treated steel sheet capable of being used for food canning application as a tin-free steel alternative Cr-free steel sheet and the method of manufacturing the same.
      SOLUTION: The steel sheet has a Fe-Sn alloy layer at least on one surface wherein non-alloyed Sn on the Fe-Sn alloy layer is 2 . Also, the steel sheet has a Fe-Ni alloy layer at least on one surface and a Fe-Ni-Sn alloy layer on the Fe-Ni alloy layer wherein non-alloyed Sn on the Fe-Ni-Sn alloy layer is 2 .
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种具有时间(黄变性,与涂料的粘合性)的耐腐蚀性,耐腐蚀性和涂膜稳定性优异的表面处理钢板及其制造方法。 并且进一步提供能够用作食品罐头施加的表面处理钢板作为无锡钢替代的无Cr钢板及其制造方法。 钢板在至少一个表面上具有Fe-Sn合金层,其中Fe-Sn合金层上的非合金化Sn <0.1mg / m 2 SP SP 2。 此外,钢板在至少一个表面上具有Fe-Ni合金层,在Fe-Ni合金层上的Fe-Ni-Sn合金层上,Fe-Ni-Sn合金层上的非合金化Sn <0.1 毫克/米 2 。 版权所有(C)2007,JPO&INPIT
    • 5. 发明专利
    • Surface-treated steel sheet, its production method, resin-coated steel sheet, can and can lid
    • 表面处理钢板,其生产方法,树脂涂层钢板,CAN和CAN LID
    • JP2007131882A
    • 2007-05-31
    • JP2005324251
    • 2005-11-09
    • Jfe Steel KkJfeスチール株式会社
    • HAMAHARA KYOKOSUZUKI TAKESHITANAKA TAKUMIIWASA HIROKI
    • C23C28/00B32B15/08
    • PROBLEM TO BE SOLVED: To provide a surface-treated steel sheet suitable for an alternate material for a TFS (Tin-Free Steel sheet) having excellent resin adhesion, rust resistance and corrosion resistance without using chromium, to provide its production method, to provide a resin-coated steel sheet obtained by coating the surface-treated steel sheet with an organic resin, and to provide a can and a can lid using the resin-coated steel sheet. SOLUTION: In the surface-treated steel sheet, at least one side of a steel sheet is provided with an Fe-Sn alloy layer in which the content of unalloyed Sn is 2 , and the surface of the Fe-Sn alloy layer is provided with a film comprising Zr and O. Alternatively, in the surface-treated steel sheet, at least one side of a steel sheet is provided with an Fe-Ni-Sn alloy layer in which the content of unalloyed Sn is 2 , and the surface of the Fe-Ni-Sn alloy layer is provided with a film comprising Zr and O. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供适合于不使用铬的具有优异的树脂粘合性,耐锈性和耐腐蚀性的TFS(无铅钢板)的替代材料的表面处理钢板,以提供其制造方法 提供通过用有机树脂涂布表面处理钢板而获得的树脂涂覆钢板,并使用树脂涂覆钢板提供罐和罐盖。 &lt; P&gt;解决方案:在表面处理钢板中,钢板的至少一侧设有Fe-Sn合金层,其中非合金Sn的含量<0.1mg / m 2 SP SP >,并且Fe-Sn合金层的表面设置有包含Zr和O的膜。或者,在表面处理钢板中,钢板的至少一侧设置有Fe-Ni-Sn合金 其中非合金Sn的含量<0.1mg / m 2&lt; SP&gt;,并且Fe-Ni-Sn合金层的表面设置有包含Zr和O的膜。版权: (C)2007,JPO&INPIT
    • 6. 发明专利
    • Tinning method and tinning bath used therefor
    • 其中使用的TINNING方法和TINNING浴
    • JP2005314799A
    • 2005-11-10
    • JP2005046836
    • 2005-02-23
    • Jfe Steel KkJfeスチール株式会社
    • HAMAHARA KYOKONAKAKOJI NAOMASASUZUKI KENTAROIWASA HIROKIYOSHIMURA MOTOHIRO
    • C25D3/30C25D5/26
    • PROBLEM TO BE SOLVED: To provide a tinning method using a sulfonic acid bath by which, e.g., even in the case, as a tin ion feeding source, tin oxide is not used, or a soluble anode is used, or a sulfonic acid based liquid is poured into a tinning line of the existing halogen bath, and that is used as it is, the uniformity of plating is excellent, and, e.g., even in the case it is used as the material for a can, deterioration in corrosion resistance and appearance does not occur.
      SOLUTION: Regarding the electrotinning method for a steel sheet using a tinning bath comprising tin ions and a sulfonic acid based compound as a plating electroconducting assistant, plating is performed in such a manner that the concentration of chlorine ions in the tinning bath is controlled to ≤0.5 g/L, and also, the concentration of fluorine ions is controlled to ≤2 g/L.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种使用磺酸浴的镀锡方法,例如,即使在这种情况下,作为锡离子进料源,不使用氧化锡或使用可溶性阳极,或 将磺酸基液体注入现有的卤素浴的镀锡线中,原样使用,电镀的均匀性优异,例如甚至在用作罐的材料的情况下,劣化 在耐腐蚀性和外观上不会发生。 解决方案:关于使用包含锡离子和磺酸基化合物作为电镀导电助剂的镀锡浴的钢板的电镀方法,以镀锡浴中的氯离子浓度为 控制在≤0.5g/ L,氟离子浓度控制在≤2g/ L。 版权所有(C)2006,JPO&NCIPI
    • 7. 发明专利
    • Galvanized steel sheet excellent in pitting corrosion resistance
    • 耐蚀耐腐蚀性优良的钢板
    • JP2008133543A
    • 2008-06-12
    • JP2008004986
    • 2008-01-11
    • Jfe Steel KkJfeスチール株式会社
    • NAKAKOJI HISATADAHAMAHARA KYOKOMOCHIZUKI KAZUO
    • C23C22/22C23C22/18
    • PROBLEM TO BE SOLVED: To inexpensively provide a galvanized steel sheet used for an automotive body in particular, excellent in pitting corrosion resistance after electrodeposition coating.
      SOLUTION: The manufacturing method of the galvanized steel sheet includes forming a zinc phosphate coating layer containing proper amounts of Mg, Ni, and Mn by immersing the steel sheet, after surface galvanization, into treatment liquid containing 3-50 g/L of Mg2
      + , 0.1-10.0 g/L of Ni
      2+ and 0.3-10.0 g/L of Mn
      2+ . The zinc phosphate coating layer contains 2.0 to 7.0 percent by weight of Mg, 0.1 to 1.4 percent by weight of Ni, and 0.5 to 5.0 percent by weight of Mn. Furthermore, the contents of Mn and Ni satisfy the following relational expression (1): [Mn]≤[Ni]×11.4, wherein [Mn] represents the Mn content in percent by weight and [Ni] the Ni content in percent by weight.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了廉价地提供用于汽车车身的镀锌钢板,在电沉积涂覆之后具有优异的耐点腐蚀性。 解决方案:镀锌钢板的制造方法包括通过将表面镀锌后的钢板浸渍到含有3-50g / L的处理液中而形成含有适量Mg,Ni和Mn的磷酸锌涂层 的Mg2 + SP + +,SP为0.1-10.0g / L,Mn 2 + 为0.3-10.0g / L。 磷酸锌被膜层含有2.0〜7.0重量%的Mg,0.1〜1.4重量%的Ni和0.5〜5.0重量%的Mn。 此外,Mn和Ni的含量满足以下关系式(1):[Mn]≤[Ni]×11.4,[Mn]表示Mn含量,以重量%计,[Ni] 。 版权所有(C)2008,JPO&INPIT
    • 10. 发明专利
    • Surface-treated steel sheet, its production method, resin-coated steel sheet, can and can lid
    • 表面处理钢板,其生产方法,树脂涂层钢板,CAN和CAN LID
    • JP2007217728A
    • 2007-08-30
    • JP2006037305
    • 2006-02-15
    • Jfe Steel KkJfeスチール株式会社
    • SUZUKI TAKESHIHAMAHARA KYOKOTANAKA TAKUMIIWASA HIROKI
    • C23C28/00B32B15/08B65D1/00B65D23/08B65D39/02C25D5/26C25D5/50C25D9/08
    • PROBLEM TO BE SOLVED: To provide a surface-treated steel sheet of Cr-free steel sheet suitable for a TFS (Tin-Free Steel sheet) having excellent paint adhesion, resin adhesion, rust resistance and corrosion resistance, to provide its production method, to provide a resin-coated steel sheet obtained by coating the surface-treated steel sheet with a resin film, and to provide a can and a can lid using the same. SOLUTION: In the surface-treated steel sheet, at least one side of a steel sheet is provided with an Fe-Sn alloy layer in which the content of unalloyed Sn is 2 , and the surface of the Fe-Sn alloy layer is provided with a film comprising Ti and O. Alternatively, at least one side of a steel sheet is provided with an Fe-Ni alloy layer, the surface of the Fe-Ni alloy layer is provided with an Fe-Ni-Sn alloy layer in which the content of unalloyed Sn is 2 , and the surface of the Fe-Ni-Sn alloy layer is provided with a film comprising Ti and O. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种适用于具有优异的涂料粘附性,树脂粘附性,耐锈性和耐腐蚀性的TFS(无锡钢板)的无Cr钢板的表面处理钢板,以提供其 制造方法,提供通过用树脂膜涂布表面处理钢板而得到的树脂被覆钢板,并且使用该树脂被覆钢板提供罐和罐盖。 &lt; P&gt;解决方案:在表面处理钢板中,钢板的至少一侧设有Fe-Sn合金层,其中非合金Sn的含量<0.1mg / m 2 SP SP >,并且Fe-Sn合金层的表面设置有包含Ti和O的膜。或者,钢板的至少一侧设置有Fe-Ni合金层,Fe-Ni合金的表面 具有Fe-Ni-Sn合金层,其中非合金Sn的含量<0.1mg / m 2&lt; SP&gt;,并且Fe-Ni-Sn合金层的表面设置有 包含Ti和O.的膜。(C)2007,JPO&INPIT