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公开(公告)号：US20210269098A1
公开(公告)日：2021-09-02
申请号：US17256090
申请日：2019-06-03
发明人： Kazuya YASUI , Kenichi WATANABE , Dongyong SHI , Masao HADANO , Liang CHEN
IPC分类号： B62D25/04 , B23K26/244 , B23K26/00 , B21D22/02
摘要： The joined body includes a joint portion including a linear welding portion in which a first metal member and a second metal member are joined. The joint portion includes a main linear portion being linear and extending along a first direction being a direction corresponding to a load assumed to act on a component obtained by machining the joined body. The main linear portion is a portion whose angle formed with the first direction is 0 degrees or more and 15 degrees or less in the joint portion. The joint portion includes a plurality of the main linear portions arranged at intervals in a second direction being a direction intersecting with the first direction.
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公开(公告)号：US20230294205A1
公开(公告)日：2023-09-21
申请号：US18323903
申请日：2023-05-25
发明人： Liang CHEN , Kenichi WATANABE , Kazuya YASUI , Dongyong SHI , Masao HADANO , Takayuki KIMURA , Reiichi SUZUKI
IPC分类号： B23K26/244 , B23K26/348 , B62D27/02 , B23B3/04 , B21D22/00
CPC分类号： B23K26/244 , B23K26/348 , B62D27/02 , B23B3/04 , B21D22/00 , B23K2101/006
摘要： A method for manufacturing a joint structure formed by joining a first plate-shaped member and a second plate-shaped member having a shape that is longer in a longitudinal direction than in a lateral direction includes overlapping the first plate-shaped member and the second plate-shaped member, after the overlapping, joining each of both edge portions of the second plate-shaped member by forming a weld metal along the longitudinal direction to the first plate-shaped member. The weld metal extends further outward in the lateral direction than the edge portions of the second plate-shaped member, in which the weld metal is formed by a hybrid welding in which a laser is added as a heat source during arc welding such that the weld metal extends around both of the edge portions of the second plate-shaped member along the longitudinal direction.
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公开(公告)号：US20200376598A1
公开(公告)日：2020-12-03
申请号：US16636172
申请日：2018-08-03
发明人： Kenichi WATANABE , Takayuki KIMURA , Liang CHEN , Masao HADANO , Reiichi SUZUKI
摘要： A manufacturing method for a joint body having a first metal member and a second metal member joined together by causing a laser oscillation system to irradiate a surface of the second metal member placed on the first metal member with laser light to form a joint portion including a welded portion where the first metal member and the second metal member are joined together includes continuously supplying the second metal member while pressing the second metal member against the first metal member, the second metal member being a hoop material, and causing the laser oscillation system to emit the laser light.
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公开(公告)号：US20190226048A1
公开(公告)日：2019-07-25
申请号：US16335067
申请日：2017-09-13
IPC分类号： C21D9/50 , C22C38/58 , C22C38/54 , C22C38/50 , C22C38/44 , C22C38/30 , C22C38/06 , C22C38/02 , C22C38/00 , C21D6/00 , B23K9/04 , B23K31/00 , B23K35/30
摘要： Disclosed is a method for producing a steel part, which includes the steps of: preparing a built-up steel sheet including a steel sheet 20 including: C: 0.15 to 0.5% by mass, Si: 0.10 to 3% by mass, Mn: 0.5 to 5% by mass, P: 0.05% by mass or less (excluding 0%), S: 0.05% by mass or less (excluding 0%), Al: 0.01 to 1% by mass, B: 0.0002 to 0.01% by mass, Ti: 0.005 to (3.4[N]+0.1) % by mass (in which [N] represents a content of N (% by mass)), and N: 0.001 to 0.01% by mass, with the balance being iron and inevitable impurities, and one or more built-up portions 30 provided on the steel sheet 20; hot-forming the built-up steel sheet at a temperature of an Ac3 point or higher of the steel sheet 20; and cooling the hot-formed built-up steel sheet to a temperature of an Ms point or lower of the steel sheet such that an area ratio of martensite in the metal structure of the steel sheet 20 is 70% or more.
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5.发明申请公开(公告)号：US20200246914A1
公开(公告)日：2020-08-06
申请号：US16637261
申请日：2018-08-03
发明人： Kenichi WATANABE , Takayuki KIMURA , Liang CHEN , Masao HADANO , Reiichi SUZUKI
摘要： Provided is a manufacturing method for a joint body having a first metal member and a second metal member joined together by welding. With a density of the welding set higher than a density of the welding of other portions, the second metal member is bent within a plane by changing a positional relation of the second metal member relative to the first metal member in plan view.
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公开(公告)号：US20210276126A1
公开(公告)日：2021-09-09
申请号：US17256499
申请日：2019-05-31
发明人： Liang CHEN , Kenichi WATANABE , Kazuya YASUI , Dongyong SHI , Masao HADANO , Takayuki KIMURA , Reiichi SUZUKI
IPC分类号： B23K26/244 , B23K26/348
摘要： A joint structure is formed by joining a first plate-shaped member made of steel and a second plate-shaped member made of steel that is overlapped on the first plate-shaped member and that is formed in a long shape. A surface of the first plate-shaped member and both edge portions of the second plate-shaped member along a longitudinal direction are joined by a weld metal.
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公开(公告)号：US20200269924A1
公开(公告)日：2020-08-27
申请号：US16328659
申请日：2017-09-05
发明人： Kenichi WATANABE , Hideto KATSUMA , Liang CHEN
摘要： A structure for a vehicle, includes: one side structure made of steel and located on one of outer and inner sides of a vehicle body; and another side structure located on the other of the outer and inner sides of the vehicle body and joined to the one side structure. The another side structure includes: a top portion made of an aluminum alloy and protruding toward the other side; wall portions respectively extending from both end parts of the top portion to the one side, each wall portion being made of an aluminum alloy; and a tab portion attached to an end part of the wall portion, extending toward an outside of the another side structure, and joined to the one side structure, the tab portion being made of steel.
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8.发明申请公开(公告)号：US20200180072A1
公开(公告)日：2020-06-11
申请号：US16636135
申请日：2018-08-03
发明人： Kenichi WATANABE , Kazuya YASUI , Dongyong SHI , Takayuki KIMURA , Liang CHEN , Masao HADANO , Reiichi SUZUKI
IPC分类号： B23K26/082 , B23K26/28
摘要： A joint body includes first and second metal members and a joint portion including a welded portion where the first and second metal members are joined together, the welded portion having a line shape. The joint portion includes first and second longitudinal portions and a plurality of connecting portions. The first longitudinal portion has first intersecting portions arranged in a first direction and extends in the first direction. The second longitudinal portion has second intersecting portions arranged in the first direction and extends in the first direction. The welded portion intersects itself at the first and second intersecting portions. The connecting portions are arranged in the first direction. The connecting portions extend in a first direction and connect the first and second longitudinal portions.
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