公开(公告)号：US11339491B2

公开(公告)日：2022-05-24

申请号：US16619147

申请日：2018-06-05

Applicant: JFE STEEL CORPORATION

Inventor： Yusuke Nakagawa ,  Takeshi Suzuki ,  Mikito Suto ,  Katsumi Kojima ,  Yuya Baba ,  Hanyou Sou ,  Yoichiro Yamanaka ,  Shunsuke Tokui

IPC: C25D3/04 ,  C23C28/00 ,  C25D11/38 ,  C25D5/00 ,  C25D5/18 ,  C25D7/00

Abstract: A steel sheet for cans which exhibits excellent weldability; and a production method therefor include a steel sheet for cans with the surface of a steel sheet in order from the steel sheet side, a chromium metal layer and a hydrous chromium oxide layer. The deposited amount of the chromium metal layer is 65-200 mg/m2. The deposited amount of the hydrous chromium oxide layer in terms of chromium is 3-30 mg/m2. The chromium metal layer includes: a base part having a thickness of 7.0 nm or higher; and granular protrusions which are on the base part, have a maximum grain size of 100 nm or lower, and have a number density per unit area of at least 200 per μm2.

公开(公告)号：US20180363160A1

公开(公告)日：2018-12-20

申请号：US16060206

申请日：2016-12-01

Applicant: JFE Steel Corporation

Inventor： Yusuke Nakagawa ,  Takeshi Suzuki ,  Mikito Suto ,  Katsumi Kojima ,  Yuya Baba

IPC: C25D5/14 ,  C25D11/38 ,  C25D5/16 ,  C25D3/04

Abstract: A steel sheet for cans has, on the surface thereof, in order from the steel sheet side, a chromium metal layer and a hydrous chromium oxide layer. The chromium metal layer is deposited in an amount of 50-200 mg/m2, and the hydrous chromium oxide layer is deposited in an amount of 3-15 mg/m2 in terms of chromium. The chromium metal layer includes: a flat chromium metal layer that has a thickness of at least 7 nm; and a granular chromium metal layer that includes granular protrusions that are formed on the surface of the flat chromium metal layer. The maximum grain size of the granular protrusions is 150 nm or smaller. The number density of the granular protrusions per unit area is 10/μm2 or higher.

公开(公告)号：US10914016B2

公开(公告)日：2021-02-09

申请号：US16060206

申请日：2016-12-01

Applicant: JFE Steel Corporation

Inventor： Yusuke Nakagawa ,  Takeshi Suzuki ,  Mikito Suto ,  Katsumi Kojima ,  Yuya Baba

IPC: C25D5/14 ,  C25D11/38 ,  C25D3/04 ,  C25F3/08 ,  C25D7/06 ,  C23C28/00 ,  C25D5/16

Abstract: A steel sheet for cans has, on the surface thereof, in order from the steel sheet side, a chromium metal layer and a hydrous chromium oxide layer. The chromium metal layer is deposited in an amount of 50-200 mg/m2, and the hydrous chromium oxide layer is deposited in an amount of 3-15 mg/m2 in terms of chromium. The chromium metal layer includes: a flat chromium metal layer that has a thickness of at least 7 nm; and a granular chromium metal layer that includes granular protrusions that are formed on the surface of the flat chromium metal layer. The maximum grain size of the granular protrusions is 150 nm or smaller. The number density of the granular protrusions per unit area is 10/μm2 or higher.

公开(公告)号：US10301702B2

公开(公告)日：2019-05-28

申请号：US15313729

申请日：2015-05-11

Applicant: JFE STEEL CORPORATION ,  THYSSENKRUPP RASSELSTEIN GMBH ,  Thomas Fechner

Inventor： Takumi Tanaka ,  Yusuke Nakagawa ,  Masaki Tada ,  Katsumi Kojima ,  Hiroki Nakamaru ,  Kathleen Stein-Fechner ,  Burkhard Kaup

IPC: C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C22C38/14 ,  C21D9/46 ,  C21D9/48 ,  C21D8/02 ,  C21D8/04 ,  C22C38/00 ,  B22D11/00 ,  C22C38/02 ,  C23G1/02

Abstract: A can steel plate includes: equal or less than 0.0030% by mass of C; equal or less than 0.02% by mass of Si; 0.05-0.60% by mass of Mn; equal or less than 0.020% by mass of P; equal or less than 0.020% by mass of S; 0.010% to 0.100% by mass of Al; 0.0010-0.0050% by mass of N; 0.001-0.050% by mass of Nb; and balance Fe and impurities. Intensity of (111) [1-21] orientation (where −2 represents 2 with bar in Miller indices) and intensity of (111)[1-10] orientation (where −1 represents 1 with bar in Miller indices) satisfy the following equation (1), and in a rolling direction and 90° direction from the rolling direction in a horizontal plane, tensile strength TS (MPa) and fracture elongation El (%) satisfy relations of the following equations (2) and (3). (Intensity of (111) [1-21] orientation)/(Intensity of (111) [1-10] orientation)>0.9 . . . (1), TS>550 . . . (2), El>−0.02×TS+17.5 . . . (3).

公开(公告)号：US20160257099A1

公开(公告)日：2016-09-08

申请号：US15032816

申请日：2014-10-29

Applicant: JFE STEEL CORPORATION

Inventor： Yoichiro Yamanaka ,  Yusuke Nakagawa ,  Junichi Kitagawa ,  Hiroki Nakamaru

IPC: B32B27/36 ,  B65D25/14 ,  B32B15/09 ,  B65D1/12

CPC classification number: B32B27/36 ,  B32B15/04 ,  B32B15/09 ,  B32B15/18 ,  B32B38/0036 ,  B32B38/145 ,  B32B2307/4026 ,  B32B2307/558 ,  B32B2307/714 ,  B32B2307/75 ,  B32B2311/00 ,  B32B2367/00 ,  B32B2439/00 ,  B32B2439/66 ,  B32B2439/70 ,  B65D1/12 ,  B65D1/165 ,  B65D25/14

Abstract: Provided are a laminated metal sheet for containers that has excellent formability after heat treatment performed after coating, printing, etc. and is suitable for DR cans, a method for producing a metal can using the above metal sheet and a method for evaluating the formability of a metal sheet. The crystal structure of a top layer of a laminate layer of the laminated metal sheet for containers and the crystal structure inside the laminate layer are controlled in a sophisticated manner. Specifically, the intensity ratio I2968/I3085 of the Raman band intensity (I2968) at a peak position around 2,968 cm−1 to the Raman band intensity (I3085) at a peak position around 3,085 cm−1 that are obtained by laser Raman spectroscopy is used. This intensity ratio is controlled within a specific range.

Abstract translation: 提供一种用于容器的层叠金属板，其在涂布，印刷等后进行热处理后具有优异的成形性，并且适用于DR罐，使用上述金属板的金属罐的制造方法以及评价成型性的方法 金属片。 用于容器的层叠金属板的层压层的顶层的晶体结构和层压层内的晶体结构的结构结构以精细的方式进行控制。 具体地，通过激光拉曼光谱法获得的在2968cm -1附近的峰值位置处的拉曼光谱强度（I2968）与在3.085cm -1附近的峰值位置处的拉曼光谱强度（I3085）的强度比I2968 / I3085是 用过的。 该强度比控制在特定范围内。

公开(公告)号：US11377743B2

公开(公告)日：2022-07-05

申请号：US16619584

申请日：2018-06-08

Applicant: JFE Steel Corporation ,  NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY

Inventor： Mikito Suto ,  Takeshi Suzuki ,  Yusuke Nakagawa ,  Katsumi Kojima ,  Hiroki Habazaki ,  Yuki Satoh

IPC: C23C28/02 ,  B01J21/06 ,  B01J35/00 ,  C25D9/08 ,  B32B18/00 ,  C23C28/00 ,  B01J35/02

Abstract: Provided are: a multilayer structure in which a titanium oxide layer exhibits excellent photocatalytic activity; and a method for producing this multilayer structure. The above-described multilayer structure comprises: a conductive part which contains a metal element A other than Ti, while having electrical conductivity; and a titanium oxide layer which is arranged on the conductive part and contains 1.0% by atom or more of the metal element A.

公开(公告)号：US20160009444A1

公开(公告)日：2016-01-14

申请号：US14770640

申请日：2013-12-26

Applicant: JFE STEEL CORPORATION

Inventor： Yusuke Nakagawa ,  Junichi Kitagawa ,  Yoichiro Yamanaka ,  Yoichi Tobiyama

IPC: B65D8/00 ,  B32B1/02 ,  B65D25/14 ,  B32B15/09

CPC classification number: B65D7/04 ,  B32B1/00 ,  B32B1/02 ,  B32B1/08 ,  B32B7/00 ,  B32B7/02 ,  B32B7/08 ,  B32B15/00 ,  B32B15/04 ,  B32B15/08 ,  B32B15/09 ,  B32B27/06 ,  B32B27/18 ,  B32B27/36 ,  B32B2250/00 ,  B32B2250/03 ,  B32B2250/40 ,  B32B2307/536 ,  B32B2439/00 ,  B32B2439/66 ,  B32B2439/70 ,  B65D25/14

Abstract: A laminated metal sheet for a two-piece can includes: a metal sheet; and first and second polyester resin layers formed on outer and inner face sides of the container, respectively. The first polyester resin layer contains polyethylene terephthalate or a copolymerized polyethylene terephthalate with a content of a copolymerized component of less than 6 mol % in a ratio of 30% to 60% by mass, polybutylene terephthalate or a copolymerized polybutylene terephthalate with a content of a copolymerized component of less than 5 mol % in a ratio of 40% to 70% by mass, and a polyolefinic wax in an amount of 0.01% to 3.0% in outer percentage, the second polyester resin layer is a copolymerized polyethylene terephthalate with a content of a copolymerized component of less than 22 mol %, and residual degrees of orientation of the first and the second polyester resin layers are less than 30%.

Abstract translation: 一种用于两件式罐的层压金属板包括：金属板; 以及分别形成在容器的外表面侧和内侧面上的第一和第二聚酯树脂层。 第一聚酯树脂层含有聚对苯二甲酸乙二醇酯或共聚成分为30摩尔％〜60质量％的共聚成分小于6摩尔％的共聚聚对苯二甲酸乙二醇酯，聚对苯二甲酸丁二醇酯或共聚聚对苯二甲酸丁二醇酯 共聚成分以40〜70质量％的比例小于5摩尔％，外部百分比为0.01〜3.0质量％的聚烯烃蜡，第二聚酯树脂层为共聚聚对苯二甲酸乙二醇酯，含量为 的共聚成分小于22摩尔％，第一和第二聚酯树脂层的残留取向度小于30％。

公开(公告)号：US20150122812A1

公开(公告)日：2015-05-07

申请号：US14394425

申请日：2013-04-01

Applicant: JFE STEEL CORPORATION

Inventor： Yusuke Nakagawa ,  Junichi Kitagawa ,  Yoichiro Yamanaka ,  Yoichi Tobiyama

IPC: B65D1/12 ,  B65D1/40 ,  B32B15/09

CPC classification number: B65D1/12 ,  B32B1/02 ,  B32B7/02 ,  B32B15/09 ,  B32B15/18 ,  B32B2250/03 ,  B32B2307/51 ,  B32B2307/518 ,  B32B2307/558 ,  B32B2307/702 ,  B32B2307/714 ,  B32B2311/00 ,  B32B2367/00 ,  B32B2439/70 ,  B65D1/165 ,  B65D1/40 ,  Y10T428/2495

Abstract: A laminated metal sheet includes a metal sheet, a first polyester resin layer, and a second polyester resin layer, and the first polyester resin layer contains 30% by mass to 60% by mass of: polyethylene terephthalate; or copolymerized polyethylene terephthalate having a copolymerization component content of less than 6 mol %; and 40% by mass to 70% by mass of polybutylene terephthalate, the second polyester resin layer is copolymerized polyethylene terephthalate having a copolymerization component content of less than 14 mol %, residual orientations of the first and second polyester resin layers are less than 20%, and film thicknesses X and Y of the first and the second polyester resin layers before forming satisfy predetermined conditions.

Abstract translation: 叠层金属板包括金属片，第一聚酯树脂层和第二聚酯树脂层，第一聚酯树脂层含有30质量％〜60质量％的聚对苯二甲酸乙二醇酯; 或共聚成分含量小于6摩尔％的共聚聚对苯二甲酸乙二醇酯; 和40质量％至70质量％的聚对苯二甲酸丁二醇酯，第二聚酯树脂层是共聚成分含量小于14摩尔％的聚对苯二甲酸乙二醇酯，第一和第二聚酯树脂层的残留取向小于20重量％ ，形成前的第一和第二聚酯树脂层的膜厚X和Y满足预定条件。

公开(公告)号：US20140339123A1

公开(公告)日：2014-11-20

申请号：US14366021

申请日：2012-12-07

Applicant: JFE Steel Corporation

Inventor： Yusuke Nakagawa ,  Junichi Kitagawa ,  Yoichiro Yamanaka ,  Yoichi Tobiyama

IPC: B32B15/09 ,  B65D25/00 ,  B65D1/12 ,  B32B7/02

Abstract: A first polyester resin layer formed on a surface of a metal sheet to serve as the exterior of a container after being formed into the container contains 30% to 60% by mass of poly-ethylene terephthalate or copolymerized polyethylene terephthalate having a copolymerization component content of less than 6 mol %, and 40% to 70% by mass of polybutylene terephthalate. A second polyester resin layer formed on a surface of the metal sheet to serve as the interior of a container after being formed into the container is copolymerized polyethylene terephthalate having a copolymerization component content of less than 14 mol %. The degree of residual orientation of the first and the second polyester resin layers is in a range of 2% to 50%. The thicknesses of the first and the second polyester resin layers after lamination are not less than 6 μm.

Abstract translation: 在形成容器之后，形成在作为容器外部的金属板的表面上的第一聚酯树脂层含有30重量％〜60质量％的聚对苯二甲酸乙二醇酯或共聚聚对苯二甲酸乙二醇酯，其共聚成分含量为 小于6摩尔％，和40〜70质量％的聚对苯二甲酸丁二醇酯。 共聚成分含量小于14摩尔％的共聚聚对苯二甲酸乙二醇酯，形成在金属板表面上形成容器内部的第二聚酯树脂层。 第一和第二聚酯树脂层的残留取向度在2％至50％的范围内。 层叠后的第一和第二聚酯树脂层的厚度不小于6μm。

公开(公告)号：US20240141504A1

公开(公告)日：2024-05-02

申请号：US18272148

申请日：2021-11-15

Applicant: JFE Steel Corporation

Inventor： Yuto Kawamura ,  Yusuke Nakagawa ,  Yoichiro Yamanaka ,  Jialin Wang ,  Shuhei Kozu

IPC: C23C28/00 ,  C23C22/37 ,  C25D3/08 ,  C25D5/00 ,  C25D5/36 ,  C25D7/06 ,  C25D9/06 ,  C25D9/10 ,  C25D11/38

CPC classification number: C23C28/32 ,  C23C22/37 ,  C23C28/345 ,  C25D3/08 ,  C25D5/36 ,  C25D5/605 ,  C25D7/0614 ,  C25D9/06 ,  C25D9/10 ,  C25D11/38

Abstract: There is provided a steel sheet for cans including, on a surface of a steel sheet, a chromium metal layer and a hydrated chromium oxide layer stacked in this order from the steel sheet side. The chromium metal layer has a coating weight of 50 to 200 mg/m2, and the hydrated chromium oxide layer has a coating weight of 3 to 30 mg/m2 in terms of chromium amount. The chromium metal layer includes a base portion of flat plate shape and granular protrusions provided on the base portion. At least 20% of the granular protrusions has a circularity C of 0.85 or less. The circularity C is expressed by C=4πA/U2, when the outer perimeter of a projection image of a granular protrusion is represented by U, and the area thereof is represented by A.