公开(公告)号：US20240300216A1

公开(公告)日：2024-09-12

申请号：US18549534

申请日：2022-03-22

Applicant: JFE Steel Corporation

Inventor： Soichi Fujimoto ,  Yasuhide Oshima

IPC: B32B15/082 ,  B32B15/09 ,  B32B37/06

CPC classification number: B32B15/082 ,  B32B15/09 ,  B32B37/06 ,  B32B2311/24 ,  B32B2311/30 ,  B32B2367/00 ,  B32B2369/00 ,  B32B2457/00

Abstract: A film-laminated metal sheet satisfies smoothness, heat resistance, flexibility, and gas barrier properties and has a low environmental burden and excellent productivity and a method produces the metal sheet, a substrate for flexible electronics, and an organic EL substrate. The film-laminated metal sheet has at least one surface covered with a resin film. The arithmetic average roughness Sa of a surface of the resin film is 0.030 μm or less. The maximum peak height Sp of the surface of the resin film is 0.30 μm or less. The maximum valley depth Sv of the surface of the resin film is 1.0 μm or less.

公开(公告)号：US10252319B2

公开(公告)日：2019-04-09

申请号：US15158897

申请日：2016-05-19

Applicant: JFE Steel Corporation

Inventor： Yasuhide Oshima ,  Junichi Kitagawa ,  Hiroki Iwasa ,  Katsumi Kojima ,  Hiroshi Kubo

IPC: B21D51/26 ,  B32B27/36 ,  B32B15/09 ,  B32B15/18

Abstract: A laminated steel sheet for a two-piece can body with a high strain level satisfying the following formulae, the polyester resin layer composing the laminated steel sheet having a center line surface roughness (Ra) of 0.2 μm to 1.8 μm: r1≤r,0.1≤r1/R≤0.25, and 1.5≤h/(R−r)≤4 wherein h is the height of the two-piece can body, r is the maximum radius, r1 is the minimum radius, and R is the radius of the circular laminated steel sheet before forming having the same weight as the can body.

公开(公告)号：US11518144B2

公开(公告)日：2022-12-06

申请号：US16307316

申请日：2017-05-15

Applicant: JFE Steel Corporation

Inventor： Tomonari Hiraguchi ,  Yasuhide Oshima ,  Katsumi Kojima

IPC: B32B15/09 ,  B32B15/18 ,  B32B27/36 ,  B32B37/10 ,  B32B37/14

Abstract: A laminated metal sheet for a metal container lid includes a polyester resin layer formed on a metal sheet. The polyester resin layer is composed of an A and a B layer, wherein the melting point of the A layer is lower than the melting point of the B layer by 20° C. or more, the A layer includes a molten layer where the value of the ratio of a peak intensity I0° to a peak intensity I90° is 1.5 or less, the B layer includes an orientation layer where the value of the ratio of the peak intensity I0° to the peak intensity I90° is 3.0 or more, the thickness of the A layer is within the range from 5 μm or more to less than 30 μm, and the thickness of the B layer is within the range from 0.5 μm or more to less than 6.0 μm.

公开(公告)号：US20200377274A1

公开(公告)日：2020-12-03

申请号：US16771272

申请日：2018-10-12

Applicant: JFE Steel Corporation

Inventor： Yuya Kawai ,  Junichi Kitagawa ,  Yasuhide Oshima ,  Katsumi Kojima

IPC: B65D65/40 ,  B32B15/09 ,  B32B15/18 ,  B32B27/08 ,  B32B27/20 ,  B32B27/36 ,  B32B37/18 ,  B32B38/00

Abstract: A resin-coated metal sheet for a container includes: a metal sheet; a first resin coating layer provided on an inner face of the metal sheet after forming; and a second resin coating layer provided on an outer face of the metal sheet after forming, wherein a polar component of surface free energy of the second resin coating layer is 3.5 mN/m or more, after the second resin coating layer is subjected to heat treatment at a melting point of the second resin coating layer plus 8° C. for 2 minutes, and a static friction coefficient of the second resin coating layer, at 145° C., is 0.16 or less.

公开(公告)号：US20190134950A1

公开(公告)日：2019-05-09

申请号：US16307316

申请日：2017-05-15

Applicant: JFE Steel Corporation

Inventor： Tomonari Hiraguchi ,  Yasuhide Oshima ,  Katsumi Kojima

IPC: B32B15/09 ,  B32B15/18 ,  B32B27/36 ,  B32B37/14 ,  B32B37/10

Abstract: A laminated metal sheet for a metal container lid includes a polyester resin layer formed on a metal sheet. The polyester resin layer is composed of an A and a B layer, wherein the melting point of the A layer is lower than the melting point of the B layer by 20° C. or more, the A layer includes a molten layer where the value of the ratio of a peak intensity I0° to a peak intensity I90° is 1.5 or less, the B layer includes an orientation layer where the value of the ratio of the peak intensity I0° to the peak intensity I90° is 3.0 or more, the thickness of the A layer is within the range from 5 μm or more to less than 30 μm, and the thickness of the B layer is within the range from 0.5 μm or more to less than 6.0 μm.

公开(公告)号：US08727155B2

公开(公告)日：2014-05-20

申请号：US13723957

申请日：2012-12-21

Applicant: JFE Steel Corporation

Inventor： Yasuhide Oshima ,  Hiroki Iwasa ,  Yoshihiko Yasue ,  Yuka Nishihara ,  Katsumi Kojima ,  Hiroshi Kubo

IPC: B21D51/26

CPC classification number: B65D7/12 ,  B21D51/26 ,  B21D51/2615 ,  B32B1/02 ,  B32B15/08 ,  B32B15/18 ,  B32B27/18 ,  B32B27/36 ,  B32B2307/518 ,  B32B2307/584 ,  B32B2307/714 ,  B32B2439/66 ,  B65D1/165 ,  Y10T428/31681

Abstract: A can body for a two-piece can made of a laminated steel sheet, the laminated steel sheet containing a steel sheet and a copolyethylene terephthalate resin layer containing at least hyone member selected from the group consisting of isophthalic acid and cyclohexane dimethanol as a copolymer component in a proportion of 5 to 20 mol %, and having a crystallization temperature of 120° C. to 140° C. on at least one side of the steel sheet; and satisfying the following relationships: r1≦r, 0.1≦r1/R≦0.25, and 1.5≦h/(R−r)≦4, wherein r1 represents the minimum radius of the can body, r represents the maximum radius of the can body, h represents the height of the can body, and R represents the radius of the laminated steel sheet having a circular shape before shaping whose weight is the same as that of the can body. The can body has a high strain level, and does not suffer from delamination and breakage of the resin layer.

Abstract translation: 用于层叠钢板的两片式罐体可以是含有钢板和共聚对苯二甲酸乙二醇酯树脂层的叠层钢板，该层叠钢板至少含有选自间苯二甲酸和环己烷二甲醇中的共振组分的共振组分 比例为5〜20摩尔％，在钢板的至少一面具有120℃〜140℃的结晶化温度。 并且满足以下关系：r1＆nlE; r，0.1＆nlE; r1 / R＆nlE; 0.25和1.5＆nlE; h /（R-r）＆nlE; 4，其中r1表示罐体的最小半径，r表示最大半径 罐体的高度h表示罐体的高度，R表示成形前的具有与罐体相同重量的圆形的层叠钢板的半径。 罐体具有高应变水平，并且不会发生树脂层的分层破损。

公开(公告)号：US20200262183A1

公开(公告)日：2020-08-20

申请号：US15781605

申请日：2016-10-21

Applicant: JFE STEEL CORPORATION

Inventor： Norihiko Nakamura ,  Yasuhide Oshima ,  Junichi Kitagawa ,  Hiroki Nakamaru ,  Yoichiro Yamanaka

IPC: B32B15/09 ,  B32B15/18 ,  B65D65/40

Abstract: A laminated steel sheet for a both-sided resin-coated container includes a steel sheet, a first polyester resin layer formed on a surface of the steel sheet serving as an inner side of a container after the container is formed, and a second polyester resin layer formed on a surface of the steel sheet serving as an outer side of the container after the container is formed. The first polyester resin layer includes a polyethylene terephthalate content of 95% by weight or more and has a degree of crystallinity in a range of 3% to 25%. The second polyester resin layer includes polyethylene terephthalate and polybutylene terephthalate and has a proportion of polybutylene terephthalate in a range of 40% by weight to 80% by weight.

公开(公告)号：US12280575B2

公开(公告)日：2025-04-22

申请号：US17286596

申请日：2019-10-21

Applicant: JFE Steel Corporation

Inventor： Soichi Fujimoto ,  Yasuhide Oshima ,  Katsumi Kojima

IPC: B32B27/36 ,  B29C48/00 ,  B29C48/08 ,  B29C48/21 ,  B29C48/88 ,  B29C55/00 ,  B29C55/04 ,  B29K67/00 ,  B29L7/00 ,  B32B15/04 ,  B32B15/09 ,  B65D25/14 ,  B65D25/34 ,  B65D65/40 ,  C08J5/18

Abstract: A film for coating a metal sheet, the film satisfying that: a ratio (EMD/ETD) of a Young's modulus EMD in a lengthwise direction to a Young's modulus ETD in a width direction is 1.1 to 4.0; and a thermal shrinkage rate, measured by a thermo-mechanical analyzer, in both lengthwise and width directions at 200° C. is equal to or smaller than 20%.

公开(公告)号：US12245493B2

公开(公告)日：2025-03-04

申请号：US17417610

申请日：2019-12-19

Applicant: JFE STEEL CORPORATION

Inventor： Soichi Fujimoto ,  Yasuhide Oshima ,  Katsumi Kojima

IPC: B32B15/09 ,  B32B15/18 ,  B32B15/20 ,  B32B27/08 ,  B32B27/20 ,  H10K77/10 ,  H10K102/00

Abstract: A film-laminated metal sheet including a resin film configured to coat a metal sheet on at least one surface, wherein an arithmetic mean height Sa0 of a surface of the resin film is 3.0 nm or smaller, and an arithmetic mean height change ratio {(Sa1/Sa0)×100} of the surface of the resin film is 80% to 120%, where Sa1 denotes an arithmetic mean height of the surface of the resin film after thermal treatment at 100° C.

公开(公告)号：US11760065B2

公开(公告)日：2023-09-19

申请号：US17630822

申请日：2020-07-31

Applicant: JFE STEEL CORPORATION

Inventor： Tomonari Hiraguchi ,  Yuya Kawai ,  Junichi Kitagawa ,  Soichi Fujimoto ,  Yasuhide Oshima

IPC: B32B15/09 ,  B32B27/36 ,  B65D25/34 ,  B65D23/08

CPC classification number: B32B15/09 ,  B32B27/36 ,  B32B2250/02 ,  B32B2255/062 ,  B32B2255/26 ,  B32B2307/40 ,  B32B2307/518 ,  B32B2307/704 ,  B32B2307/714 ,  B32B2307/732 ,  B32B2311/24 ,  B32B2311/30 ,  B32B2367/00 ,  B32B2439/00 ,  B32B2439/66 ,  B32B2439/70 ,  B65D23/08 ,  B65D25/34

Abstract: A resin coated metal sheet for container includes a polyester resin coating layer in which 90 mol % or more of structural units are ethylene terephthalate units. A half-value width of a peak attributable to C═O stretching vibration around 1,730 cm−1 determined from laser Raman spectroscopic analysis measured by making a plane of polarization of linearly polarized laser light incident on a thickness direction section of the polyester resin coating layer perpendicularly to a thickness direction is 18.5 cm−1 to 22.0 cm−1 at a position with a thickness of 1.0 μm from a metal sheet side of the polyester resin coating layer and is greater than 17.0 cm−1 and 18.5 cm−1 or less at a position with a thickness of 1.0 μm from a surface side of the polyester resin coating layer.