公开(公告)号：US08668789B2

公开(公告)日：2014-03-11

申请号：US13387761

申请日：2010-07-27

Applicant: Junichiro Hirasawa ,  Naoto Yoshimi ,  Hiroki Nakamaru ,  Kohei Hasegawa ,  Hideyuki Tsurumaru ,  Keita Yonetsu ,  Hideyuki Takahashi ,  Masato Sasaki

Inventor： Junichiro Hirasawa ,  Naoto Yoshimi ,  Hiroki Nakamaru ,  Kohei Hasegawa ,  Hideyuki Tsurumaru ,  Keita Yonetsu ,  Hideyuki Takahashi ,  Masato Sasaki

IPC: C21D6/00 ,  C21D1/52 ,  C21D1/26

CPC classification number: C21D8/0236 ,  C21D1/74 ,  C21D6/008 ,  C21D8/0273 ,  C21D8/0457 ,  C21D9/46 ,  C21D9/48 ,  C21D9/561 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06

Abstract: A method for the manufacturing of high strength cold rolled steel sheets includes continuously annealing a cold rolled steel sheet that has a composition containing C: 0.05-0.3% mass, Si: 0.6-3.0% mass, Mn: 1.0-3.0% mass, P: ≦0.1% mass, S: ≦0.02% mass, Al: 0.01-1% mass, N: ≦0.01% mass, and Fe and inevitable impurities: balance, in a manner such that the cold rolled steel sheet is heated in a furnace using an oxidizing burner to a steel sheet temperature of ≧700° C., then soak-annealed in a reducing atmosphere furnace at 750-900° C., then cooled so the average cooling rate between 500° C. and 100° C. is ≧50° C./s. High-Si cold rolled steel sheets with high strength and good phosphatability while containing Si≧0.6% are obtained without controlling conditions so as to increase the dew point in the reducing atmosphere in the soaking furnace or to increase the vapor hydrogen partial pressure ratio.

Abstract translation: 高强度冷轧钢板的制造方法包括连续地退火具有C：0.05〜0.3质量％，Si：0.6〜3.0质量％，Mn：1.0〜3.0质量％的组成的冷轧钢板，P ：0.1质量％，S：@ 0.02质量％，Al：0.01〜1质量％，N：0.01质量％，Fe和不可避免的杂质：余量，使冷轧钢板以 使用氧化燃烧器将钢板温度> 700℃，然后在还原气氛炉中在750-900℃下浸泡退火，然后冷却，使平均冷却速率在500℃和100℃之间 C. => 50°C / s。 在不控制条件的情况下获得具有高Si值= 0.6％的高强度和高磷酸化性的高Si冷轧钢板，以增加均热炉中的还原气氛中的露点或提高蒸汽氢分压比。

公开(公告)号：US20110236677A1

公开(公告)日：2011-09-29

申请号：US13132225

申请日：2009-04-22

Applicant: Yoichi Makimizu ,  Hiroshi Kajiyama ,  Sakae Fujita ,  Naoto Yoshimi ,  Masahiko Tada ,  Shinji Ootsuka ,  Hiroyuki Masuoka ,  Katsuya Hoshino

Inventor： Yoichi Makimizu ,  Hiroshi Kajiyama ,  Sakae Fujita ,  Naoto Yoshimi ,  Masahiko Tada ,  Shinji Ootsuka ,  Hiroyuki Masuoka ,  Katsuya Hoshino

IPC: B32B15/18 ,  B05D3/00 ,  B05D7/14 ,  B32B15/04

CPC classification number: C23C22/50 ,  C23C2/06 ,  C23C2/20 ,  C23C2/26 ,  C23C22/53 ,  C25D5/48 ,  Y10T428/265

Abstract: A method for producing a galvanized steel sheet includes contacting a steel sheet with a zinc-containing aqueous solution having a zinc ion concentration of 1 to 100 g/l, contacting the steel sheet with an aqueous solution with a pH of 6 to 14, washing the steel sheet with water, and then drying the steel sheet. An example of the zinc-containing aqueous solution is a solution containing zinc sulfate. According to the method, an oxide layer which has an average thickness of 10 nm or more and which principally contains zinc is formed on the steel sheet and the galvanized steel sheet can be stably produced at high speed in a reduced space so as to have excellent press formability.

Abstract translation: 镀锌钢板的制造方法包括使钢板与锌离子浓度为1〜100g / l的含锌水溶液接触，使钢板与pH为6〜14的水溶液接触，洗涤 钢板用水，然后干燥钢板。 含锌水溶液的实例是含有硫酸锌的溶液。 根据该方法，在钢板上形成平均厚度为10nm以上且主要含有锌的氧化物层，并且可以在减少的空间中高速稳定地制造镀锌钢板，从而具有优异的 冲压成型性。

公开(公告)号：US20110226387A1

公开(公告)日：2011-09-22

申请号：US13129504

申请日：2009-04-22

Applicant: Yoichi Makimizu ,  Hiroshi Kajiyama ,  Sakae Fujita ,  Naoto Yoshimi ,  Masahiko Tada ,  Hiroyuki Masuoka ,  Katsuya Hoshino ,  Masayasu Nagoshi

Inventor： Yoichi Makimizu ,  Hiroshi Kajiyama ,  Sakae Fujita ,  Naoto Yoshimi ,  Masahiko Tada ,  Hiroyuki Masuoka ,  Katsuya Hoshino ,  Masayasu Nagoshi

IPC: C23C22/05 ,  C22C38/00

CPC classification number: C23C2/26 ,  C23C8/02 ,  C23C22/53

Abstract: A method for manufacturing a galvanized steel sheet, includes: galvanizing a steel sheet; bringing the surface of the steel sheet into contact with an aqueous solution containing zinc ion in the range of 5 to 100 g/l as the zinc ion concentration, having a pH of 4 to 6, and having a liquid temperature of 20 to 70° C., holding the steel sheet for 1 to 60 seconds; and then washing and drying the steel sheet. The solution containing zinc is preferably one containing zinc sulfate, for example. According to the method, a galvanized steel sheet having an oxide layer having an average thickness of 10 nm or more and mainly containing zinc formed on the surface of the steel sheet and having excellent press formability can be stably manufactured in a short time.

Abstract translation: 一种镀锌钢板的制造方法，包括：镀锌钢板; 使钢板的表面与含有5〜100g / l的锌离子的水溶液作为锌离子浓度接触，pH为4〜6，液温为20〜70℃ C.保持钢板1〜60秒; 然后洗涤和干燥钢板。 含锌的溶液例如优选含有硫酸锌的溶液。 根据该方法，可以在短时间内稳定地制造具有平均厚度为10nm以上且主要含有形成在钢板表面上的锌并且具有优异的压制成形性的氧化物层的镀锌钢板。

公开(公告)号：US20090239063A1

公开(公告)日：2009-09-24

申请号：US12226168

申请日：2007-04-26

Applicant: Hiroyuki Masuoka ,  Shoichiro Taira ,  Yoshiharu Sugimoto ,  Naoto Yoshimi ,  Masayasu Nagoshi ,  Wataru Tanimoto

Inventor： Hiroyuki Masuoka ,  Shoichiro Taira ,  Yoshiharu Sugimoto ,  Naoto Yoshimi ,  Masayasu Nagoshi ,  Wataru Tanimoto

IPC: B32B15/04 ,  C21D8/02

CPC classification number: C23C2/06 ,  C23C2/26 ,  C23C2/28 ,  C23C2/40 ,  C23C22/08 ,  C23C22/53 ,  Y10T428/12792 ,  Y10T428/12799 ,  Y10T428/26 ,  Y10T428/265

Abstract: A method of manufacturing a hot dip galvannealed steel sheet, including the steps of: subjecting a steel sheet to hot dip galvanizing to manufacture a hot dip galvanized steel sheet; heating the hot dip galvanized steel sheet for alloying; subjecting the hot dip galvanized steel sheet to temper rolling; bringing the temper-rolled hot dip galvanized steel sheet into contact with an acid solution containing at least one ion selected from the group consisting of Zr ions, Ti ions, and Sn ions to thereby form an acid solution film on the surface of the steel sheet; after completion of the contact, a state where the acid solution film is formed on the surface of the steel sheet is held for at least 1 second; and washing with water the hot dip galvanized steel sheet after holding, to thereby form a Zn oxide layer having a thickness of 10 nm or more on the surface of the galvanized steel sheet. The hot dip galvannealed steel sheet has an oxide layer having an average thickness of 10 nm or more on the surface of the plated steel sheet.

Abstract translation: 一种制造热浸镀锌钢板的方法，包括以下步骤：对钢板进行热浸镀锌以制造热浸镀锌钢板; 加热热镀锌钢板进行合金化; 对热浸镀锌钢板进行回火轧制; 使回火热浸镀锌钢板与含有选自Zr离子，Ti离子和Sn离子中的至少一种离子的酸溶液接触，从而在钢板表面形成酸溶液膜 ; 接触完成后，在钢板表面形成酸溶液膜的状态保持至少1秒钟; 并在保持之后用水洗涤热浸镀锌钢板，从而在镀锌钢板的表面上形成厚度为10nm以上的Zn氧化物层。 热镀锌合金化热镀锌钢板在镀覆钢板的表面上具有平均厚度为10nm以上的氧化物层。

公开(公告)号：US5795660A

公开(公告)日：1998-08-18

申请号：US773380

申请日：1996-12-26

Applicant: Naoto Yoshimi ,  Takahiro Kubota ,  Takashi Ishiyama ,  Masaaki Yamashita ,  Yasuhiko Haruta

Inventor： Naoto Yoshimi ,  Takahiro Kubota ,  Takashi Ishiyama ,  Masaaki Yamashita ,  Yasuhiko Haruta

IPC: C08G18/58 ,  C08G18/64 ,  B32B15/04 ,  B32B15/18 ,  B32B27/06 ,  B32B27/38

CPC classification number: C09D5/084 ,  C08G18/584 ,  C08G18/643 ,  C08G2150/90 ,  Y10T428/12542 ,  Y10T428/12569 ,  Y10T428/12597 ,  Y10T428/12611 ,  Y10T428/12618 ,  Y10T428/12792 ,  Y10T428/12799 ,  Y10T428/12847 ,  Y10T428/12972

Abstract: An organic composite coated steel sheet having an excellent corrosion resistance in a rust-contaminated environment. The sheet contains a chromate film on a zinc or zinc alloy plated sheet and an organic resin film on the chromate film. The resin film has a thickness of 0.2-2.0 microns. The resin film contains (a) a base resin obtained by adding at least one basic nitrogen atom and at least two primary hydroxyl groups to the ends of molecules of an epoxy resin, (b) a polyfunctional polyisocyanate compound having at least six isocyanate groups per molecule, and (c) a rust-preventing additive of a sparingly soluble chromate or a mixture of silica and a sparingly soluble chromate.

Abstract translation: 一种在生锈污染环境中具有优异耐腐蚀性的有机复合涂层钢板。 该片材在锌或锌合金镀层上含有铬酸盐膜，在铬酸盐膜上含有有机树脂膜。 树脂膜的厚度为0.2-2.0微米。 树脂膜含有（a）通过在环氧树脂的分子的末端添加至少一个碱性氮原子和至少两个伯羟基而得到的基础树脂，（b）具有至少6个异氰酸酯基的多官能多异氰酸酯化合物 分子，和（c）微溶铬酸盐或二氧化硅和微溶铬酸盐的混合物的防锈添加剂。

公开(公告)号：US20120082845A1

公开(公告)日：2012-04-05

申请号：US13314547

申请日：2011-12-08

Applicant: Yoichi Makimizu ,  Sakae Fujita ,  Naoto Yoshimi ,  Masahiko Tada ,  Shinji Ootsuka ,  Hiroyuki Masuoka ,  Katsuya Hoshino ,  Hiroshi Kajiyama ,  Masayasu Nagoshi ,  Wataru Tanimoto ,  Kyoko Fujimoto

Inventor： Yoichi Makimizu ,  Sakae Fujita ,  Naoto Yoshimi ,  Masahiko Tada ,  Shinji Ootsuka ,  Hiroyuki Masuoka ,  Katsuya Hoshino ,  Hiroshi Kajiyama ,  Masayasu Nagoshi ,  Wataru Tanimoto ,  Kyoko Fujimoto

IPC: B32B3/00

CPC classification number: A61F13/511 ,  A61F13/5116 ,  A61F13/51305 ,  A61F13/51401 ,  C23C2/26 ,  C23C22/53 ,  Y10T428/12611 ,  Y10T428/12785 ,  Y10T428/12792 ,  Y10T428/12799 ,  Y10T428/265

Abstract: A zinc-based metal plated steel sheet is excellent in tribological properties during press forming. An oxide layer containing crystalline 3Zn(OH)2.ZnSO4. xH2O is formed on a plated surface. The oxide layer has a thickness of 10 nm or more. The crystalline oxide layer is composed of 3Zn(OH)2.ZnSO4.3-5H2O.

Abstract translation: 锌基金属镀覆钢板在冲压成形时的摩擦学性能优异。 含有结晶3Zn（OH）2·ZnSO 4的氧化物层。 xH 2 O形成在电镀表面上。 氧化物层的厚度为10nm以上。 结晶氧化物层由3Zn（OH）2·ZnSO 3·3·5H 2 O组成。

公开(公告)号：US08012599B2

公开(公告)日：2011-09-06

申请号：US11977868

申请日：2007-10-26

Applicant: Tatsuya Miyoshi ,  Kenichi Sasaki ,  Naoto Yoshimi ,  Akira Matsuzaki ,  Kazuhisa Okai ,  Takao Ooshima ,  Takashi Nakano ,  Masahiro Murata ,  Syoichi Tanaka

Inventor： Tatsuya Miyoshi ,  Kenichi Sasaki ,  Naoto Yoshimi ,  Akira Matsuzaki ,  Kazuhisa Okai ,  Takao Ooshima ,  Takashi Nakano ,  Masahiro Murata ,  Syoichi Tanaka

IPC: B32B15/04 ,  B32B15/08 ,  B32B15/092 ,  B32B15/095 ,  B32B15/18 ,  B05D3/02

CPC classification number: C23C28/00 ,  C09D163/00 ,  C23C2/26 ,  C23C2222/20 ,  Y02T50/67 ,  Y10T428/12569 ,  Y10T428/12757 ,  Y10T428/12799 ,  Y10T428/24967 ,  Y10T428/24975 ,  Y10T428/265 ,  Y10T428/31529 ,  Y10T428/31551 ,  Y10T428/31612 ,  Y10T428/31678 ,  C08L2666/54

Abstract: The surface-treated steel sheet has a zinc-based plated steel sheet, a surface-treatment coating being formed on the surface of the zinc-based steel sheet by applying and drying a surface treatment coating composition thereon, and a top coating being formed by applying and drying a coating composition for top coating on the surface-treatment coating. The surface treatment coating composition contains a water-epoxy resin dispersion, a silane coupling agent, and phosphoric acid and/or a hexafluorometal acid. The coating composition for top coating contains a high molecular weight epoxy group-containing resin having number average molecular weights ranging from 6000 to 20000.

Abstract translation: 表面处理钢板具有锌基或铝系电镀钢板，通过将表面处理用涂料组合物进行涂布，干燥，在锌系或铝系钢板的表面形成表面处理用涂料 并且通过施加和干燥表面处理涂层上的顶涂层用涂料组合物形成顶涂层。 表面处理涂料组合物含有水环氧树脂分散体，水分散聚氨酯树脂，硅烷偶联剂，磷酸和/或六氟金属酸。 用于顶涂层的涂料组合物含有高分子量环氧基的树脂平均分子量为6000至20,000。

公开(公告)号：US06562474B1

公开(公告)日：2003-05-13

申请号：US09603889

申请日：2000-06-26

Applicant: Naoto Yoshimi ,  Satoru Ando ,  Masaru Sagiyama ,  Akihiko Furuta ,  Masaaki Yamashita ,  Akira Matsuzaki ,  Takafumi Yamaji ,  Tatsuya Miyoshi ,  Takahiro Kubota ,  Yasuhiko Haruta ,  Hiroyasu Matsuki ,  Kenichi Tomita

Inventor： Naoto Yoshimi ,  Satoru Ando ,  Masaru Sagiyama ,  Akihiko Furuta ,  Masaaki Yamashita ,  Akira Matsuzaki ,  Takafumi Yamaji ,  Tatsuya Miyoshi ,  Takahiro Kubota ,  Yasuhiko Haruta ,  Hiroyasu Matsuki ,  Kenichi Tomita

IPC: B32B900

CPC classification number: C23C22/22 ,  B05D5/00 ,  B05D7/51 ,  B05D2202/10 ,  C09D5/084 ,  C09D5/10 ,  C23C22/08 ,  C23C22/18 ,  C23C22/20 ,  C23C28/00 ,  Y10T428/256 ,  Y10T428/31609

Abstract: A coated steel sheet having excellent corrosion resistance comprises: a zinc or a zinc alloy plated steel sheet or an aluminum or an aluminum alloy plated steel sheet; a composite oxide coating formed on the surface of the plated steel sheet; and an organic coating formed on the composite oxide coating. The composite oxide coating contains a fine particle oxide and a phosphoric acid and/or a phosphoric acid compound. The organic coating has thickness of from 0.1 to 5 &mgr;m.

Abstract translation: 具有优异的耐腐蚀性的涂层钢板包括锌或镀锌合金钢板或铝或镀铝合金钢板; 在镀覆钢板的表面上形成的复合氧化物涂层; 和在复合氧化物涂层上形成的有机涂层。 复合氧化物涂层含有细颗粒氧化物和磷酸和/或磷酸化合物。 有机涂层的厚度为0.1〜5μm。

公开(公告)号：US5641578A

公开(公告)日：1997-06-24

申请号：US499554

申请日：1995-07-10

Applicant: Naoto Yoshimi ,  Masaaki Yamashita ,  Toshiyuki Ookuma ,  Tatsuya Miyoshi ,  Toyofumi Watanabe ,  Tsutomu Watanabe

Inventor： Naoto Yoshimi ,  Masaaki Yamashita ,  Toshiyuki Ookuma ,  Tatsuya Miyoshi ,  Toyofumi Watanabe ,  Tsutomu Watanabe

IPC: B05D7/14 ,  B05D7/24 ,  B32B15/08 ,  C09D7/00 ,  C09D7/12 ,  C09D201/00 ,  C23C22/00 ,  C23C22/24 ,  C23C22/84 ,  B32B15/18

CPC classification number: C23C28/3225 ,  C09D7/007 ,  C09D7/12 ,  C23C28/00 ,  C23C28/345 ,  Y10T428/12549 ,  Y10T428/12569 ,  Y10T428/12611 ,  Y10T428/12799

Abstract: A black steel sheet having a sufficiently small coating thickness to allow the welding of the steel sheet, and yet exhibiting an excellently black surface. It is a steel sheet having a surface plated with zinc or a zinc alloy, and carrying a chromate film formed on its plated surface, and a black film formed on the chromate film from a composition comprising specific proportions of a thermosetting resin and a black dye, which are both soluble in an organic solvent, and having a sufficiently small thickness. The composition may further contain a solid lubricant, or a granular rust-inhibitive pigment, or both.

Abstract translation: 具有足够小的涂层厚度以允许钢板焊接并且表现出非常好的黑色表面的黑色钢板。 是具有镀锌或锌合金的表面的钢板，并且在其镀层表面上形成铬酸盐膜，并且由含有特定比例的热固性树脂和黑色染料的组合物形成在铬酸盐膜上的黑色膜 它们均溶于有机溶剂，并具有足够小的厚度。 该组合物还可以含有固体润滑剂或颗粒状防锈颜料，或两者。

公开(公告)号：US5589279A

公开(公告)日：1996-12-31

申请号：US290675

申请日：1994-08-15

Applicant: Naoto Yoshimi ,  Toyofumi Watanabe ,  Masaaki Yamashita

Inventor： Naoto Yoshimi ,  Toyofumi Watanabe ,  Masaaki Yamashita

IPC: B32B15/08 ,  B05D7/14 ,  B32B15/092 ,  C09D7/00 ,  C23C22/24 ,  C23C22/84

CPC classification number: C23C22/84 ,  B05D7/14 ,  C09D7/007 ,  B05D2301/20 ,  B05D2350/65 ,  B05D2401/20 ,  B05D2701/00 ,  Y10T428/12549 ,  Y10T428/12569 ,  Y10T428/31678

Abstract: A black steel sheet having a sufficiently small coating thickness to allow the welding of the steel sheet, and yet exhibiting an excellently black surface, but also having high corrosion resistance, adhesive strength and formability. It is a steel sheet having a surface plated with zinc or zinc alloy, and carrying a chromate film formed on its plated surface, and a black film formed on the chromate film from a composition comprising specific proportions of a water-soluble or water-dispersible thermosetting resin and a water-soluble black dye, and having a sufficiently small thickness. The composition may further contain a solid lubricant, or a granular rust-inhibitive pigment, or both.

Abstract translation: 具有足够小的涂层厚度以允许钢板焊接，但表现出优异的黑色表面，而且具有高耐腐蚀性，粘合强度和成形性的黑色钢板。 它是具有镀锌或锌合金的表面并且在其镀覆表面上形成的铬酸盐膜的钢板，以及由含有特定比例的水溶性或水分散性的组合物形成在铬酸盐膜上的黑色膜 热固性树脂和水溶性黑色染料，并且具有足够小的厚度。 该组合物还可以含有固体润滑剂或颗粒状防锈颜料，或两者。