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1. 发明公开

EP4417493A1 BODY LOWER STRUCTURE AND SIDE SILL STRUCTURE FOR AUTOMOTIVE VEHICLE 审中-实审
公开(公告)号：EP4417493A1
公开(公告)日：2024-08-21
申请号：EP22895396.4
申请日：2022-10-27
申请人： JFE Steel Corporation
发明人： ISHIKAWA, Toshiharu , HIGAI, Kazuhiko , SHIOZAKI, Tsuyoshi
IPC分类号： B62D25/20 , B60K1/04
CPC分类号： B62D25/20 , B60K1/04 , B62D25/025 , B62D21/157 , B62D25/2036
摘要： A lower structure of automotive body of an automobile according to the present invention is a lower structure of automotive body of an automobile including a specific component including a side sill 1, in which the side sill 1 has a structure in which a closed sectional space 3 is partitioned into two closed sectional spaces 3a and 3b in a vehicle width direction by a partition member 2, and the side sill further has an impact absorbing structure A constituted by a pair of sectionally groove-shaped members 4a and 4b that are joined to the partition member 2 in a state where the partition member 2 is sandwiched from both sides in the closed sectional spaces 3a and 3b and form closed sectional spaces 5a and 5b respectively with the partition member 2, and bulkheads 6 that are provided in the closed sectional spaces 5a and 5b along the vehicle width direction to partition the closed sectional spaces 5a and 5b. The bulkheads 6 in the closed sectional spaces 5a and 5b are provided under a predetermined arrangement condition, and each bulkhead 6 is joined to at least the sectionally groove-shaped members 4a and 4b.

2. 发明公开

EP3929037A1 COLLISION ENERGY ABSORPTION COMPONENT FOR AUTOMOBILES 审中-公开
公开(公告)号：EP3929037A1
公开(公告)日：2021-12-29
申请号：EP19916530.9
申请日：2019-12-12
申请人： JFE Steel Corporation
发明人： HIGAI, Kazuhiko , SHIOZAKI, Tsuyoshi , TAMAI, Yoshikiyo , KITAMURA, Shigeaki , MABUCHI, Naoki
IPC分类号： B60R19/34 , B62D21/15
摘要： A crashworthiness energy absorption part 1 for automotive according to the present invention absorbs collision energy by undergoing axis crush deformation when a crashworthiness load is input from the front or back of the automotive body, includes: a tubular member 3 with a top portion 5a and a pair of side wall portions 5b; a closed cross section space forming wall part 9 provided to extend over the top portion 5a inside the tubular member 3, having both edge portions joined to inner surfaces of the pair of side wall portions 5b, and forming a closed cross section space between itself and a peripheral wall portion of the tubular member 3; and a resin 11 filling the closed cross section space and including a rubber-modified epoxy resin and a curing agent. The resin 11 has tensile breaking elongation of 80% or more, adhesive strength to the tubular member 3 and closed cross section space forming wall part 9 of 12 MPa or higher, and a compression nominal stress of 6 MPa or higher at a compression nominal strain of 10%.

3. 发明公开

EP3257612A1 LAP FILLET ARC-WELDED JOINT 有权
标题翻译： LAP FILLET ARC焊接接头
公开(公告)号：EP3257612A1
公开(公告)日：2017-12-20
申请号：EP16749033.3
申请日：2016-01-27
申请人： JFE Steel Corporation
发明人： SHIOZAKI, Tsuyoshi , TOKITA, Yuichi , TAMAI, Yoshikiyo
IPC分类号： B23K9/02 , B23K33/00 , B23K9/00
CPC分类号： F16B5/08 , B23K9/025 , B23K9/028 , B23K33/004 , B23K2101/06 , B23K2101/18 , B23K2101/28
摘要： The lap fillet arc-welded joint (1) pertaining to the present invention is characterized in that two plates (3, 9) are lapped, and the surface of a first plate (vertical wall section (9a) of an upper-side component (9)) and the surface of a second plate (vertical wall section (3a) of a lower-side component (3)) are welded along the end section of the first plate (vertical wall section (9a) of the upper-side component (9)), wherein a curved convex section (5) in the form of a bead protruding to the surface side of the vertical wall section (3a) is provided, and a weld toe section (1a) is provided to the top section of the curved convex section (5).
摘要翻译：本发明的搭接角焊接接头（1）的特征在于，搭接两个板（3,9），并且第一板（垂直壁部分（9a）的上侧部件（9a）沿着第一板（上侧部件（9）的纵壁部（9a））的端部，焊接第二板（下侧部件（3）的纵壁部（3a）（9）），其中设置有凸出到垂直壁部分（3a）的表面侧的弯曲凸出部分（5），并且焊接脚趾部分（1a）设置在顶部弯曲的凸部（5）。

4. 发明公开

EP4201752A1 COLLISION ENERGY ABSORPTION COMPONENT FOR AUTOMOBILE, AND METHOD FOR MANUFACTURING SAID COLLISION ENERGY ABSORPTION COMPONENT FOR AUTOMOBILE 审中-实审
公开(公告)号：EP4201752A1
公开(公告)日：2023-06-28
申请号：EP21857994.4
申请日：2021-05-10
申请人： JFE Steel Corporation
发明人： HIGAI, Kazuhiko , SHIOZAKI, Tsuyoshi , TAMAI, Yoshikiyo
IPC分类号： B60R19/34 , B62D21/15
摘要： An automotive crashworthiness energy absorption part 1 according to the present invention includes: a tubular member 3 formed by using a hat-shaped section part including a top portion 7a and a side-wall portion 7b; a coating part 5 made of a material having a lower strength than the tubular member 3, the coating part 5 being arranged on outer surfaces of the top portion 7a and the side-wall portion 7b at a portion including a corner portion 7c that connects the top portion 7a and the side-wall portion 7b, with a gap 11 of 0.2 mm or more and 3 mm or less from the outer surface of the top portion 7a, the outer surface of the side-wall portion 7b, and an outer surface of the corner portion 7c; and a coating film 13 of an electrodeposition paint formed in the gap 11.

5. 发明公开

EP4147950A1 AUTOMOTIVE IMPACT ENERGY ABSORPTIVE PART 审中-实审
公开(公告)号：EP4147950A1
公开(公告)日：2023-03-15
申请号：EP21824756.7
申请日：2021-03-19
申请人： JFE Steel Corporation
发明人： HIGAI, Kazuhiko , SHIOZAKI, Tsuyoshi , TAMAI, Yoshikiyo , KITAMURA, Shigeaki , MABUCHI, Naoki
IPC分类号： B62D21/15 , B62D29/04 , B32B15/092
摘要： An automotive crashworthiness energy absorptive part 1 according to the present invention absorbs crashworthiness energy by crushing axially when a crashworthiness load is input from a front side or a rear side of an automotive body, includes a tubular member 3 having a top portion 5a and a pair of side wall portions 5c continuous from the top portion 5a via corner portions 5b; a closed cross section space forming wall member 9 disposed on an inner surface side of the tubular member 3 and forming a closed cross section space between the closed cross section space forming wall member 9 and at least the corner portion 5b; and a resin 11 provided in the closed cross section space, in which the resin 11 contains a rubber-modified epoxy resin and a hardener, and has a tensile breaking elongation of 2% or more and less than 80%, providing excellent water resistance without generating interfacial peeling, an adhesive strength with the tubular member 3 and the closed cross section space forming wall member 9 of 12 MPa or more, and a compressive nominal stress of 6 MPa or more at a compressive nominal strain of 10%.

6. 发明公开

EP3978229A1 COLLISION ENERGY ABSORPTION COMPONENT FOR AUTOMOBILES AND PRODUCTION METHOD THEREFOR 审中-实审
公开(公告)号：EP3978229A1
公开(公告)日：2022-04-06
申请号：EP19930293.6
申请日：2019-12-27
申请人： JFE Steel Corporation
发明人： HIGAI, Kazuhiko , SHIOZAKI, Tsuyoshi , TAMAI, Yoshikiyo
IPC分类号： B32B3/00 , B60R19/18 , B62D29/04 , B62D25/20
摘要： An automotive crashworthiness energy absorption part 1 according to the present invention is provided at a front part or a rear part of an automotive body and absorbs crashworthiness energy when receiving input of a crashworthiness load from the front or the rear of the automotive body and includes: a tubular member 3 configured to absorb crashworthiness energy by undergoing axial crush and including a top portion and side wall portions continuous with the top portion; and resin 9 coated or patched on at least outer surfaces of the top portion and the side wall portions of the tubular member 3. The coated or patched resin 9 has a thickness of 8 mm or less after being heated, forms at least part of a peripheral wall portion of a closed cross section space, and is bonded to the outer surfaces with an adhesive strength of 10 MPa or more.

7. 发明公开

EP3369513A1 LAP-FILLET ARC WELDING JOINT AND JOINT STRUCTURE FOR PRESS FORMING PARTS 有权
公开(公告)号：EP3369513A1
公开(公告)日：2018-09-05
申请号：EP16859366.3
申请日：2016-08-08
申请人： JFE Steel Corporation
发明人： SHIOZAKI, Tsuyoshi , TOKITA, Yuichi , TAMAI, Yoshikiyo
IPC分类号： B23K9/02 , B23K31/00 , B62D21/02
摘要： A lap-fillet arc welding joint 1 according to the present invention is configured by overlapping an upper sheet 10 and a lower sheet 20 and forming a weld bead 30 on an end portion 11 of the upper sheet 10 and a surface 21 of the lower sheet 20 along the end portion 11. The lower sheet 20 has a projecting portion 23 on at least one side of weld toes 31a and 33a of a start portion 31 and a termination portion 33 of the weld bead 30, and the weld toe 31a or 33a is located on a slop surface portion 23a of the projecting portion 23 at the upper sheet 10 side.

8. 发明公开

EP3064288A1 SHEET FORMING METHOD 有权
标题翻译： VERFAHREN ZUR HERSTELLUNG EINER FOLIE
公开(公告)号：EP3064288A1
公开(公告)日：2016-09-07
申请号：EP14858848.6
申请日：2014-08-11
申请人： JFE Steel Corporation
发明人： SHIOZAKI, Tsuyoshi , TAMAI, Yoshikiyo , SHINMIYA, Toyohisa , TOBITA, Shunsuke
IPC分类号： B21D22/26
CPC分类号： B21D22/02 , B21D22/26 , B21D47/00 , B21D53/88
摘要： A method of sheet forming according to the present invention includes a first sheet forming process that sheet-forms a metal sheet 11 into a first sheet-formed part 27 having an intermediate shape with a first sheet forming tool 1 and a second sheet forming process that sheet-forms the first sheet-formed part 27 into a second sheet-formed part having a product shape. The first sheet-formed part 27 has a side-wall stretching portion 29 formed on a side wall portion 23 on an outer side including an L-shaped bent portion and a top-portion stretching portion 31 formed on the outside of a top portion 21 of the L-shaped bent portion. A curvature radius of the side-wall stretching portion 29 is larger than the curvature radius of the L-shaped bent portion of a sheet-formed part 19, and the curvature radius of a shoulder portion contiguously formed with the top-portion stretching portion 31 is larger than the curvature radius of a shoulder portion contiguously formed with the outside of the top portion 21 of the L-shaped bent portion of the sheet-formed part 19.
摘要翻译：根据本发明的片材成形方法包括：第一片材形成工艺，其将具有中间形状的金属片11成形为具有第一片形成工具1的中间形状的第一片状部件27和第二片材形成工序，将第一片状部件27片材形成为具有产品形状的第二片状部件。第一片状部分27具有形成在包括L形弯曲部分的外侧上的侧壁部分23上的侧壁拉伸部分29和形成在顶部21的外侧上的顶部拉伸部分31 的L形弯曲部分。侧壁拉伸部29的曲率半径大于片状部19的L字形弯曲部的曲率半径，与顶部拉伸部31相邻形成的肩部的曲率半径大于与片状部件19的L形弯曲部的顶部21的外侧连续形成的肩部的曲率半径。

9. 发明公开

EP2823928A1 COUPLING STRUCTURE 有权
标题翻译：耦合结构
公开(公告)号：EP2823928A1
公开(公告)日：2015-01-14
申请号：EP13758248.2
申请日：2013-03-01
申请人： JFE Steel Corporation
发明人： SHIOZAKI, Tsuyoshi
IPC分类号： B23K11/11 , B23K11/00 , B62D25/20
CPC分类号： F16B7/00 , B23K9/00 , B62D25/2036 , B62D27/023 , Y10T403/472
摘要： A joint structure of the present invention is a joint structure between an end portion in a longitudinal direction of a hat-section member 27 that is a press-formed part of a metal sheet and another member (side sill 14), and the end portion in the longitudinal direction of the hat-section member 27 is discontinuously split into three being a bottom wall end portion 27a and two side wall end portions 27b and 27c. A width w1 of the bottom wall end portion 27a is larger than a width W of a bottom wall of a central portion of the hat-section member 27 and is welded to the another member (14). The two side wall end portions 27b and 27c are bent and welded to the another member (14).
摘要翻译：本发明的接头构造是作为金属板的冲压成形部的帽形构件27的长度方向的端部与其他构件（下纵梁14）的接合构造，在帽形部件27的纵向方向上不连续地分成三个，即底壁端部27a和两个侧壁端部27b和27c。底壁端部27a的宽度w1大于帽形部件27的中央部分的底壁的宽度W并焊接到另一个部件（14）。两个侧壁端部27b和27c弯曲并焊接到另一个构件（14）。

10. 发明公开

EP4275968A1 COLLISION ENERGY ABSORPTION COMPONENT FOR AUTOMOBILE, AND METHOD FOR MANUFACTURING SAID COLLISION ENERGY ABSORPTION COMPONENT FOR AUTOMOBILE 审中-实审
公开(公告)号：EP4275968A1
公开(公告)日：2023-11-15
申请号：EP21925771.4
申请日：2021-10-29
申请人： JFE Steel Corporation
发明人： ISHIKAWA, Toshiharu , HIGAI, Kazuhiko , SHIOZAKI, Tsuyoshi
IPC分类号： B60R19/34 , B62D21/15 , F16F7/00
摘要： A crash energy absorption part 1 for an automobile according to the present invention is provided in a front portion or a rear portion of an automotive body, and absorbs crash energy when a crash load is input from a front or a rear of the automotive body. The crash energy absorption part 1 includes a top portion 5a, a tubular member 3 including a side wall portion 5c continuous to the top portion 5a via a shoulder part of a punch 5b, and a resin 9 applied or patched to at least an inner surface of the shoulder part of a punch 5b of the tubular member 3. The resin 9 has a thickness gradually changing in an axial direction from one end side toward the other end side. A thickest portion of the thickness is 8 mm or less and the resin is bonded to the inner surface with an adhesive strength of 10 MPa or more and is axially crushed when the crash load is input.

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