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1. 发明申请

WO2017098304A1 METHOD FOR PRODUCING AN AUTOMOTIVE STRUCTURAL PART COMPRISING A LOWERSIDE SILL AND A LOWER FRONT PILLAR 审中-公开
公开(公告)号：WO2017098304A1
公开(公告)日：2017-06-15
申请号：PCT/IB2015/059484
申请日：2015-12-09
申请人： ARCELORMITTAL
发明人： VIAUX, Ivan
IPC分类号： B62D25/02 , B21D22/02
CPC分类号： B62D25/025 , B21D22/022 , B21D53/88 , B62D25/02 , C21D1/673 , C21D9/50 , C22C38/00 , C22C38/04
摘要： The method comprises the steps of : - providing an inner structural part blank having a L-shape and an outer structural part blank having a L-shape, said inner and outer structural part blanks (38) being substantially planar, - hot stamping the inner structural part blank to form an inner automotive structural part (14) having an inner lowerside sill part (18) and an inner lower front pillar part (20) made of a single part with the inner lowerside sill part (18), - hot stamping the outer structural part blank to form an outer automotive structural part (16) having an outer lowerside sill part (28) and an outer lower front pillar part (30) made of a single part with the outer lowerside sill part (28), - assembling the inner automotive structural part (14) and the outer automotive structural part (16) to form the automotive structural part (1).

2. 发明申请

WO2020136402A1 METHOD FOR PRODUCING A WELDED STEEL BLANK AND ASSOCIATED WELDED STEEL BLANK 审中-公开
公开(公告)号：WO2020136402A1
公开(公告)日：2020-07-02
申请号：PCT/IB2018/060585
申请日：2018-12-24
申请人： ARCELORMITTAL
发明人： SCHMIT, Francis , POIRIER, Maria , ALVAREZ, Cristian , GOUTON, Lucille , DAVID, Thierry , VIAUX, Ivan
IPC分类号： B23K26/26 , B23K26/322 , B23K31/02 , B23K26/211 , B23K101/00 , B23K101/18 , B23K101/34 , B23K103/04
摘要： The présent application relates to a method of producing a welded Steel blank (1) comprising : providing two precoated sheets (2), each comprising a Steel substrate (3) having a precoating (5) on each of its two main faces (4), each sheet (2) comprising, on each main face (4), at a weld edge (14), a removal zone (18) in which the precoating (5) is removed over a removal fraction, butt welding the sheets (2) using a filler wire (20) so as to create a weld joint (22) having an aluminum content Al Wj comprised between 0.1 wt.% and 1.2 wt.%. The composition of the wire (20) and the proportion of wire (20) added is such that the weld joint (22) has a quenching factor FT wj such that FT Wj - 0.96FT BM ≥ 0, and a nickel content Ni WJ Λ 14-3.4xAI Wj and a chromium content Cr Wj Λ 5-2xAI Wj , where Al wj is the aluminum content of the weld joint (22).

3. 发明申请

WO2018091948A1 BUMPER BEAM HAVING AN 8 SHAPED CROSS-SECTION 审中-公开
公开(公告)号：WO2018091948A1
公开(公告)日：2018-05-24
申请号：PCT/IB2016/056963
申请日：2016-11-18
申请人： ARCELORMITTAL
发明人： HERISSON, Damien , LAM, Jimmy , HASENPOUTH, Dan , GIBEAU, Elie , VIAUX, Ivan
IPC分类号： B60R19/18 , B21D5/08
摘要： The bumper beam (1) is made of at least one roll formed steel sheet (10) comprising an upper beam (12) and a lower beam (14) extending in a transversal direction, said upper beam (12) and said lower beam (14) each having a closed cross-section defined by a front wall (16, 22), a rear wall (18, 24), an upper wall (20) and a lower wall (26), the upper wall (20) and the lower wall (26) joining the front wall (16, 22) to the rear wall (18, 24), wherein a central wall (28) extending between the front walls (16, 22) and the rear walls (18, 24) of the upper beam (12) and of the lower beam (14) forms both the lower wall of the upper beam (12) and the upper wall of the lower beam (14). The central wall (28) extends in at least two different planes.

4. 发明申请

WO2017098302A1 VEHICLE UNDERBODY STRUCTURE COMPRISING A REINFORCEMENT ELEMENT BETWEEN A LONGITUDINAL BEAM AND A LOWERSIDE SILL PART 审中-公开
标题翻译：包括纵向梁和下部纵梁部分之间的增强元件的车辆下部结构
公开(公告)号：WO2017098302A1
公开(公告)日：2017-06-15
申请号：PCT/IB2015/059478
申请日：2015-12-09
申请人： ARCELORMITTAL
发明人： VIAUX, Ivan , ARNAUTU, Florin
IPC分类号： B62D25/20 , B62D29/00
CPC分类号： B62D25/2036 , B62D29/007
摘要： Vehicle underbody structure comprising a reinforcement element between a longitudinal beam and a lowerside sill part The Vehicle underbody structure, comprises a floor panel (1), at least one longitudinal beam (2) extending in a longitudinal direction of the vehicle under said floor panel (1) and at least one lowerside sill part (4) extending in the longitudinal direction adjacent to the floor panel (1), the vehicle underbody structure further comprising at least one reinforcement element (6) extending in a transversal direction, substantially perpendicular to the longitudinal direction, said reinforcement element (6) extending under the floor panel (1) and being attached at one of its transversal ends to the longitudinal beam (2) and at the other of its transversal ends to the lowerside sill part (4). The reinforcement element (6) is made of a press hardened steel part having a tensile strength higher or equal to 1200 MPa.
摘要翻译：一种车辆底部结构，其包括在纵梁和下部槛部件之间的加强元件。车辆底部结构包括底板（1），至少一个纵向梁（2），所述纵梁沿纵向方向在所述底板（1）下面的车辆和至少一个在所述底板（1）附近沿纵向方向延伸的至少一个底侧槛部件（4），所述车辆底部结构还包括至少一个增强元件（6），所述增强元件所述加强元件（6）在所述底板（1）下方延伸并且在其横向端部中的一个处附接至所述纵梁（2）并且在其横向端部中的另一个端部处连接至所述纵梁下方的门槛部分（4）。加强元件（6）由抗拉强度高于或等于1200MPa的加压硬化钢部件制成。

5. 发明申请

WO2020136585A1 METHOD FOR PRODUCING A WELDED STEEL BLANK AND ASSOCIATED WELDED STEEL BLANK 审中-公开
公开(公告)号：WO2020136585A1
公开(公告)日：2020-07-02
申请号：PCT/IB2019/061344
申请日：2019-12-24
申请人： ARCELORMITTAL
发明人： SCHMIT, Francis , POIRIER, Maria , ALVAREZ, Cristian , GOUTON, Lucille , DAVID, Thierry , VIAUX, Ivan
IPC分类号： B23K26/26 , B23K26/322 , B23K31/02 , B23K26/211 , B23K101/00 , B23K101/18 , B23K101/34 , B23K103/04
摘要： Method for producing a welded steel blank (1) comprising: - providing two precoated sheets (2), each comprising a steel substrate (3) having a precoating (5) on each of its two main faces (4), each sheet (2) comprising, on each main face (4), at a weld edge (14), a removal zone (18) in which the precoating (5) is removed over a removal fraction; - butt welding the sheets (2) using a filler wire (20) so as to create a weld joint (22) having an aluminum content AI WJ comprised between 0.1 wt.% and 1.2 wt.%. The composition of the wire (20) and the proportion of wire (20) added is such that the weld joint (22) has: (a) a quenching factor FT WJ such that FT WJ -0.96 FT BM > 0, (b) a nickel content Ni W j ≤ 14-3.4XAI WJ and a chromium content CrWj ≤ 5-2XAI WJ , where AI WJ is the aluminum content of the weld joint (22).

6. 发明申请

WO2018091947A1 BUMPER BEAM HAVING RIBS ON SEVERAL WALLS OF THE BUMPER BEAM 审中-公开
公开(公告)号：WO2018091947A1
公开(公告)日：2018-05-24
申请号：PCT/IB2016/056961
申请日：2016-11-18
申请人： ARCELORMITTAL
发明人： BRUN, Gilles , HERRISON, Damien , LAM, Jimmy , HASENPOUTH, Dan , GIBEAU, Elie , VIAUX, Ivan
IPC分类号： B60R19/18
摘要： The bumper beam (1) is made of at least one rolled formed steel sheet (10) comprising an upper beam (12) and a lower beam (14) extending in a transversal direction, said upper beam (12) and said lower beam (14) each having a closed cross-section defined by a front wall (16, 22), a rear wall (18, 24), an upper wall (20, 29) and a lower wall (26, 27), the upper wall (20, 29) and the lower wall (26, 27) joining the front wall (16, 22) to the rear wall (18, 24), wherein each of the front walls (16, 22) of the upper beam (12) and of the lower beam (14) comprises a front rib (66) extending transversally and towards the interior of the bumper beam (1). At least one of the upper wall (20) of the upper beam (12), the lower wall (26) of the lower beam (14), the rear wall (18) of the upper beam (12) and the rear wall (24) of the lower beam (14) further comprises a rib (66, 70) extending transversally and towards the interior of the bumper beam (1).

7. 发明申请

WO2017098306A1 VEHICLE REAR BODY STRUCTURE AND METHOD FOR MANUFACTURING THEREOF 审中-公开
标题翻译：车辆后部车身结构及其制造方法
公开(公告)号：WO2017098306A1
公开(公告)日：2017-06-15
申请号：PCT/IB2015/059487
申请日：2015-12-09
申请人： ARCELORMITTAL
发明人： VIAUX, Ivan
IPC分类号： B62D21/15 , B62D25/08 , B62D25/20
CPC分类号： B62D21/152 , B62D25/08 , B62D25/2027
摘要： A vehicle rear body structure (2) comprising a rear rail (10, 12) extending in a longitudinal direction and a rear bumper beam (21), extending transversely to the longitudinal direction, the rear rail (10,12) having a rear end (10a) and a front end (10b), spaced apart along the longitudinal direction, the rear end (10a) being connected to the rear bumper beam (21) and the rear rail (10, 12) extending towards the front of the vehicle from its rear end (10a), wherein the rear rail (10, 12) comprises at least a front portion (37), an intermediate portion (39) and a rear portion (41), the front portion (37) being intended for extending alongside a fuel tank of the vehicle, the resistance to plastic deformation of the front portion (37) being greater than the resistance to plastic deformation of the intermediate portion (39), which is itself greater than the resistance to plastic deformation of the rear portion (41).
摘要翻译：包括沿纵向方向延伸的后轨道（10,12）和横向于纵向方向延伸的后保险杠横梁（21）的车辆后部车身结构（2），所述后轨道（2），其具有沿纵向间隔开的后端（10a）和前端（10b），后端（10a）连接到后保险杠横梁（21），并且后横梁（10,12））从其后端（10a）朝向车辆前部延伸，其中后部轨道（10,12）至少包括前部（37），中间部分（39）和后部（41），所述后部（37）用于沿着车辆的燃料箱延伸，所述前部（37）的塑性变形阻力大于所述中间部分（39）的塑性变形阻力，所述阻力本身大于所述中间部分对后部（41）塑性变形的抵抗力。

8. 发明申请

WO2017097424A3 VEHICLE UNDERBODY STRUCTURE COMPRISING A REINFORCEMENT ELEMENT BETWEEN A LONGITUDINAL BEAM AND A LOWERSIDE SILL PART 审中-公开
标题翻译：包括纵向梁和下部纵梁部分之间的增强元件的车辆下部结构
公开(公告)号：WO2017097424A3
公开(公告)日：2017-06-15
申请号：PCT/EP2016/002076
申请日：2016-12-09
申请人： ARCELORMITTAL
发明人： VIAUX, Ivan , ARNAUTU, Florian
IPC分类号： B62D25/20 , B62D29/00
摘要： The Vehicle underbody structure, comprises a floor panel (1), at least one longitudinal beam (2) extending in a longitudinal direction of the vehicle under said floor panel (1) and at least one lowerside sill part (4) extending in the longitudinal direction adjacent to the floor panel (1), the vehicle underbody structure further comprising at least one reinforcement element (6) extending in a transversal direction, substantially perpendicular to the longitudinal direction, said reinforcement element (6) extending under the floor panel (1) and being attached at one of its transversal ends to the longitudinal beam (2) and at the other of its transversal ends to the lowerside sill part (4). The reinforcement element (6) is made of a press hardened steel part having a tensile strength higher or equal to 1200 MPa.
摘要翻译：车辆底部结构包括底板（1），在所述底板（1）下方沿车辆纵向延伸的至少一个纵梁（2），以及至少一个下纵梁所述车辆底部结构还包括沿横向方向延伸的至少一个加固元件（6），所述加固元件基本上垂直于所述纵向方向延伸，所述加固元件（6）沿所述纵向方向延伸并且与所述底板（1））在地板面板（1）下方延伸并且在其横向端部之一附接到纵梁（2）并且在其横向端部的另一端附接到下部槛台部件（4）。加强元件（6）由抗拉强度高于或等于1200MPa的加压硬化钢部件制成。

9. 发明申请

WO2018092058A1 BUMPER BEAM HAVING RIBS ON SEVERAL WALLS OF THE BUMPER BEAM 审中-公开
公开(公告)号：WO2018092058A1
公开(公告)日：2018-05-24
申请号：PCT/IB2017/057168
申请日：2017-11-16
申请人： ARCELORMITTAL
发明人： BRUN, Gilles , HERISSON, Damien , LAM, Jimmy , HASENPOUTH, Dan , GIBEAU, Elie , VIAUX, Ivan
IPC分类号： B60R19/18
摘要： The bumper beam (1) is made of at least one rolled formed steel sheet (10) comprising an upper beam (12) and a lower beam (14) extending in a transversal direction, said upper beam (12) and said lower beam (14) each having a closed cross-section defined by a front wall (16, 22), a rear wall (18, 24), an upper wall (20, 29) and a lower wall (26, 27), the upper wall (20, 29) and the lower wall (26, 27) joining the front wall (16, 22) to the rear wall (18, 24), wherein each of the front walls (16, 22) of the upper beam (12) and of the lower beam (14) comprises a front rib (66) extending transversally and towards the interior of the bumper beam (1). At least one of the upper wall (20) of the upper beam (12), the lower wall (26) of the lower beam (14), the rear wall (18) of the upper beam (12) and the rear wall (24) of the lower beam (14) further comprises a rib (66, 70) extending transversally and towards the interior of the bumper beam (1).

10. 发明申请

WO2017098293A1 VEHICLE FRONT BODY STRUCTURE AND METHOD FOR MANUFACTURING THEREOF 审中-公开
标题翻译：车辆前身结构及其制造方法
公开(公告)号：WO2017098293A1
公开(公告)日：2017-06-15
申请号：PCT/IB2015/002319
申请日：2015-12-09
申请人： ARCELORMITTAL
发明人： VIAUX, Ivan , DROUADAINE, Yves
IPC分类号： B62D25/08 , B62D29/00
CPC分类号： B62D25/082 , B62D29/007
摘要： A vehicle front body structure comprising an upper longitudinal beam and a upper fender rail (14) for supporting a fender of the vehicle, said upper fender rail (14) extending in a longitudinal direction substantially parallel to the upper longitudinal beam and having a front end (14a) and a rear end (14b) spaced apart along the longitudinal direction, the rear end (14b) being attached to a front pillar of the vehicle and the upper fender rail (14) extending towards the front of the vehicle from the rear end (14b), characterized in that the resistance to plastic deformation of the upper fender rail (14) increases from the front end (14a) of the upper fender rail (14) to the rear end (14b) of the upper fender rail (14).
摘要翻译：一种车辆前部车身结构，包括上部纵梁和用于支撑车辆的挡泥板的上部挡泥板导轨（14），所述上部挡泥板导轨（14）在基本上平行于上部纵梁，并且具有沿着纵向方向间隔开的前端（14a）和后端（14b），后端（14b）附接到车辆的前柱，并且上部挡泥板轨道（14）朝向车辆前部其特征在于，所述上翼子板导轨（14）的塑性变形阻力从所述上翼子板导轨（14）的前端（14a）向所述后端（14b）的后端 14b）的上翼子板轨道（14）。

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