Patents Assigned to Nippon Steel & Sumikin Coated Sheet Corporation
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Patent number: 10450468Abstract: An aqueous surface treatment composition for coated steel sheet securing sufficient working adhesion while causing the formation of a surface treatment layer imparting excellent overhang corrosion resistance even without containing chrome, that is, a surface treatment composition containing a specific organic silicon compound, hexafluorometallic acid, a urethane resin having specific cationic groups, a vanadium compound, and an aqueous medium and sufficiently securing working adhesion while imparting excellent overhang corrosion resistance by the urethane resin having cationic groups and a total amine value of specific values is provided.Type: GrantFiled: April 18, 2014Date of Patent: October 22, 2019Assignees: NIHON PARKERIZING CO., LTD., NIPPON STEEL & SUMIKIN COATED SHEET CORPORATIONInventors: Shigeki Yamamoto, Tomohiro Iko, Eisuke Kudo, Hiromasa Nomura, Hiroyuki Oyokawa
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Patent number: 10053753Abstract: The aluminum-zinc plated steel sheet according to the present invention includes a plated steel sheet and a covering film that covers the plated steel sheet. The covering film contains a basic compound of transition metal other than cobalt and chromium, and metallic cobalt, or metallic cobalt and a cobalt compound. An amount of the covering film per one side is within a range of 0.01 to 0.8 g/m2. An amount in terms of mass of transition metal other than cobalt in the covering film per one side of the plated steel sheet is within a range of 4 to 400 mg/m2. An amount in terms of mass of cobalt in the covering film per one side of the plated steel sheet is within a range of 0.1 to 20 mg/m2.Type: GrantFiled: February 27, 2014Date of Patent: August 21, 2018Assignees: NIPPON STEEL & SUMIKIN COATED SHEET CORPORATION, NIPPON STEEL & SUMITOMO METAL CORPORATION, NIHON PARKERIZING CO., LTD.Inventors: Nobuki Shiragaki, Tomokazu Sugitani, Hiroyuki Oyokawa, Satoru Yonetani, Hiroshi Kanai, Nobuyuki Shimoda, Ichiro Oura, Hitoshi Kikuchi
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Patent number: 9708702Abstract: A wiping device which blows a wiping gas toward a steel sheet from a pair of wiping nozzles disposed on both sides of the steel sheet so as to face sheet surfaces of the steel sheet, wherein the steel sheet is interposed between the pair of wiping nozzles and is pulled from a hot dip coating bath, the device includes a suctioning tube, wherein: the suctioning tube is disposed on both sides in a width direction of a section of the steel sheet, the section being positioned between the pair of wiping nozzles, so that the suctioning tube is in parallel to the steel sheet; the suctioning tube has a suctioning port that suctions an air; the suctioning port is disposed to face a side end surface of the steel sheet; a cross-sectional shape of the suctioning tube has the largest dimension thereof along a pulling direction of the steel sheet.Type: GrantFiled: September 21, 2012Date of Patent: July 18, 2017Assignees: NIPPON STEEL & SUMITOMO METAL CORPORATION, NIPPON STEEL & SUMIKIN COATED SHEET CORPORATIONInventors: Takeshi Imai, Takeshi Tamura, Seiji Sugiyama, Kazuhiro Miyamoto, Mitsuo Nishimata, Yasushi Yamane
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Patent number: 9435125Abstract: The present invention relates to roofing material to be connected with a further roofing material under a condition that respective sides of the roofing material and the further roofing material are overlapped with each other, including a main body having a substantially flat plate shape and a fitting part formed at an end of the main body. The roofing material further includes at least one positioning marker which is provided to the fitting part so as to indicate a position of an overlap between the respective sides.Type: GrantFiled: September 23, 2014Date of Patent: September 6, 2016Assignee: Nippon Steel & Sumikin Coated Sheet CorporationInventor: Takahiko Wakebe
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Patent number: 9353270Abstract: This surface-treated metal includes a metal, and a coated material on a surface of the metal, in which an outermost layer is a photocatalytic film that contains particles showing photocatalytic activity and an organic-inorganic composite resin, a volume ratio of the particles to the film is in a range from 0.5 to 50 vol %, the resin contains a siloxane bond and at least one group selected from the group consisting of an aryl group, a carboxyl group, an amino group, a hydroxyl group, and an alkyl group having 1 to 12 carbon atoms, the coated material has concaves on a surface thereof on the outermost layer side, an area of the outermost layer is 50% to 98% of an area of a surface of the metal, and a surface area of the outermost layer is 101% to 5000% of the area of the surface of the metal.Type: GrantFiled: June 18, 2012Date of Patent: May 31, 2016Assignees: NIPPON STEEL & SUMITOMO METAL CORPORATION, NIPPON STEEL & SUMIKIN COATED SHEET CORPORATIONInventors: Takao Kanai, Yuji Kubo, Yoshio Kimata, Hiroshi Kanai, Tomonari Hamamura, Hiromasa Nomura
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Patent number: 9133346Abstract: A surface-coated aluminum and zinc plated steel sheet in accordance with the present invention includes: a plated steel sheet; a composite coating film formed by applying an aqueous surface treatment agent on the plated steel sheet and drying the aqueous surface treatment agent. The aqueous surface treatment agent contains a water dispersible resin (A), a cobalt compound (B), and water, and has a pH within a range of 7.5 to 10. The composite coating film contains the water dispersible resin (A) and the cobalt compound (B). A percentage by mass of the water dispersible resin (A) in the composite coating film is 90% or more. A mass of the composite coating film per one surface of the plated steel sheet falls within a range of 0.5 to 3.5 g/m2.Type: GrantFiled: February 28, 2013Date of Patent: September 15, 2015Assignees: NIPPON STEEL & SUMIKIN COATED SHEET CORPORATION, NIPPON STEEL & SUMITOMO METAL CORPORATION, NIHON PARKERIZING CO., LTD.Inventors: Nobuki Shiragaki, Tomokazu Sugitani, Hiroyuki Oyokawa, Satoru Yonetani, Hiroshi Kanai, Nobuyuki Shimoda, Ichiro Oura, Hitoshi Kikuchi
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Patent number: 9080231Abstract: The present invention provides a hot-dipped steel 1 that demonstrates favorable corrosion resistance and formability, and has a favorable appearance of a plating layer. The hot-dipped steel of the present invention includes a steel substrate formed thereon with an aluminum-zinc alloy plating layer. The aluminum-zinc alloy plating layer contains Al, Zn, Si and Mg as constituent elements thereof and the Mg content is 0.1% to 10% by weight. The aluminum-zinc alloy plating layer contains 0.2% to 15% by volume of an Si—Mg phase, and the weight ratio of Mg in the Si—Mg phase to the total weight of Mg is 3% or more.Type: GrantFiled: February 17, 2011Date of Patent: July 14, 2015Assignees: NIPPON STEEL & SUMIKIN COATED SHEET CORPORATION, NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Shiro Fujii, Yoshikazu Yamanaka, Nobuki Shiragaki, Hiroshi Kanai, Nobuyuki Shimoda, Yasuhide Morimoto, Yoshihiro Suemune, Tooru Oohashi
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Publication number: 20120282488Abstract: The present invention provides a hot-dipped steel 1 that demonstrates favorable corrosion resistance and formability, and has a favorable appearance of a plating layer. The hot-dipped steel of the present invention includes a steel substrate formed thereon with an aluminum-zinc alloy plating layer. The aluminum-zinc alloy plating layer contains Al, Zn, Si and Mg as constituent elements thereof and the Mg content is 0.1% to 10% by weight. The aluminum-zinc alloy plating layer contains 0.2% to 15% by volume of an Si—Mg phase, and the weight ratio of Mg in the Si—Mg phase to the total weight of Mg is 3% or more.Type: ApplicationFiled: February 17, 2011Publication date: November 8, 2012Applicants: Nippon Steel Corporation, Nippon Steel & Sumikin Coated Sheet CorporationInventors: Shiro Fujii, Yoshikazu Yamanaka, Nobuki Shiragaki, Hiroshi Kanai, Nobuyuki Shimoda, Yasuhide Morimoto, Yoshihiro Suemune, Tooru Oohashi
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Patent number: 7589285Abstract: A magnetic shield panel includes a magnetic shield member made of magnetic material; and a metallic plate or a translucent plate member, wherein the magnetic shield member is attached to the metallic plate or the translucent plate member.Type: GrantFiled: September 10, 2004Date of Patent: September 15, 2009Assignee: Nippon Steel & Sumikin Coated Sheet CorporationInventors: Morihiro Matsumoto, Yuji Okuzaki, Jiroh Mino, Yoneo Yamada, Takeshi Saito, Takubi Hamano
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Patent number: D710036Type: GrantFiled: November 30, 2012Date of Patent: July 29, 2014Assignee: Nippon Steel & Sumikin Coated Sheet CorporationInventor: Takahiko Wakebe
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Patent number: D710037Type: GrantFiled: November 30, 2012Date of Patent: July 29, 2014Assignee: Nippon Steel & Sumikin Coated Sheet CorporationInventor: Takahiko Wakebe