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公开(公告)号：US11387581B2
公开(公告)日：2022-07-12
申请号：US16721535
申请日：2019-12-19
Inventor： Sho Yoshida , Akira Tachibana , Kengo Mitose
Abstract: The present disclosure relates to an electric wire connection structure including one or more copper-based conductor covered electric wires having a copper-based conductor covered part and exposed part; and one or more aluminum-based conductor covered electric wires having an aluminum-based conductor covered part and exposed part. An ultrasonic joint part is provided at a conductor stacked part in which the copper-based conductor exposed part and the aluminum-based conductor exposed part are superposed. A total contacting length L which is a summed length of a part at which the copper-based conductor exposed part and the aluminum-based conductor exposed part contact and a summed length x of a contour line of a space S formed at a part at which the copper-based conductor exposed part and the aluminum-based conductor exposed part are separate in a joint interface of the ultrasonic joint part satisfy a relational expression of (x/L)×100≤10% based on cross-section observation.
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公开(公告)号：US11361876B2
公开(公告)日：2022-06-14
申请号：US16584825
申请日：2019-09-26
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Masayasu Kasahara , Akira Tachibana
IPC: C22C49/14 , H01B1/02 , C22C1/10 , C25D1/04 , H01R13/03 , H05K1/09 , C22C32/00 , C25D15/02 , C25D7/00 , C22C49/00
Abstract: The present disclosure relates to an integrally formed product including a metal and a fiber of biological origin disposed in dispersed state in the metal. A proportion by mass of the fiber of biological origin contained in the integrally formed product is within a range of 0.02 mass % or more and 10 mass % or less.
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公开(公告)号：US20170194066A1
公开(公告)日：2017-07-06
申请号：US15464110
申请日：2017-03-20
Inventor： Sho Yoshida , Akira Tachibana , Yasushi Kihara , Shigeki Sekiya , Kengo Mitose
IPC: H01B1/02 , C22C21/02 , C22F1/05 , H01R4/18 , H01B13/02 , H01B13/06 , H01B7/282 , C22C21/08 , H01B13/00
CPC classification number: H01B1/023 , C22C21/00 , C22C21/02 , C22C21/08 , C22F1/00 , C22F1/04 , C22F1/05 , H01B7/00 , H01B7/282 , H01B13/0003 , H01B13/0016 , H01B13/02 , H01B13/06 , H01R4/18 , H01R4/62
Abstract: An electric wire apparatus includes an electric wire including an aluminum alloy wire rod having an outer periphery portion coated, and a crimp terminal crimped to an end portion of the electric wire, the crimp terminal having a barrel portion crimped with the aluminum alloy wire rod, the barrel portion having a one-end closed tubular shape. The aluminum alloy wire rod has a composition including 0.10 mass % to 1.00 mass % of magnesium (Mg), 0.10 mass % to 1.00 mass % of silicon (Si), 0.01 mass % to 2.50 mass % of iron (Fe), 0.000 mass % to 0.100 mass % of titanium (Ti), 0.000 mass % to 0.030 mass % of boron (B), 0.00 mass % to 1.00 mass % of copper (Cu), 0.00 mass % to 0.50 mass % of silver (Ag), 0.00 mass % to 0.50 mass % of gold (Au), 0.00 mass % to 1.00 mass % of manganese (Mn), 0.00 mass % to 1.00 mass % of chromium (Cr), 0.00 mass % to 0.50 mass % of zirconium (Zr), 0.00 mass % to 0.50 mass % of hafnium (Hf), 0.00 mass % to 0.50 mass % of vanadium (V), 0.00 mass % to 0.50 mass % of scandium (Sc), 0.00 mass % to 0.50 mass % of cobalt (Co), 0.00 mass % to 0.50 mass % of nickel (Ni), and the balance including aluminum and inevitable impurities.
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4.发明授权公开(公告)号：US09768525B2
公开(公告)日：2017-09-19
申请号：US14968464
申请日：2015-12-14
Inventor： Akira Tachibana , Kengo Mitose , Saburo Yagi
IPC: H01R4/10 , H01R4/18 , H01R43/048 , H01R4/20 , H01R43/02 , B23K26/32 , B23K26/21 , H01R43/16 , C22F1/08 , B23K101/38 , B23K103/10 , B23K103/12
CPC classification number: H01R4/183 , B23K26/21 , B23K26/32 , B23K2101/38 , B23K2103/10 , B23K2103/12 , C22F1/08 , H01R4/184 , H01R4/187 , H01R4/20 , H01R43/02 , H01R43/0221 , H01R43/048 , H01R43/16 , Y10T29/49213
Abstract: A terminal includes a tubular crimp portion that crimp connects with an electric wire. The tubular crimp portion is composed of a metal member. The tubular crimp portion includes a non-weld portion and a weld portion, the weld portion being formed by welding. A metal base material constituting the metal member of the non-weld portion includes a normal portion and an annealed portion.
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5.发明授权Terminal, a wire connecting structure and a method of manufacturing the terminal 有权端子，电线连接结构和制造端子的方法公开(公告)号：US09484642B2
公开(公告)日：2016-11-01
申请号：US14831643
申请日：2015-08-20
Inventor： Yoshikazu Okuno , Akira Tachibana , Kengo Mitose
IPC: H01R4/10 , H01R4/18 , H01R43/16 , C25D7/00 , H01R13/03 , H01R43/02 , B23K26/20 , H01R4/20 , H01R4/62 , C25D3/12 , C25D3/30
CPC classification number: H01R4/187 , B23K26/206 , B23K26/244 , B23K26/262 , B23K26/30 , B23K2101/34 , B23K2101/38 , B23K2103/08 , B23K2103/166 , C25D3/12 , C25D3/30 , C25D5/12 , C25D7/00 , H01R4/20 , H01R4/62 , H01R13/03 , H01R43/0221 , H01R43/16 , Y10T29/49215
Abstract: A terminal includes a connector portion, a tubular crimp portion that crimps/joins with a wire, and a transition portion joining the two portions. The tubular crimp portion is composed of a metal member including a base material of copper or copper alloy with 0.20-1.40 mm thickness and a coating layer of tin, tin alloy, nickel, nickel alloy, silver or silver alloy with 0.2-3.0 μm thickness formed on the base material. The tubular crimp portion has a weld portion formed by butt-welding and having, in its cross-section perpendicular to a terminal longitudinal direction, a phase existing therein of tin, tin alloy, nickel, nickel alloy, silver or silver alloy greater than 0.01 μm2. The tubular crimp portion is a closed tubular body with one end opposite to a wire-insertion-opening being closed.
Abstract translation: 端子包括连接器部分，与线接合/接合的管状压接部分和连接两部分的过渡部分。 管状压接部由金属构件构成，该金属构件包括厚度为0.20-1.40mm的铜或铜合金的基材，以及锡，锡合金，镍，镍合金，银或银合金的涂层，厚度为0.2-3.0μm 形成在基材上。 管状压接部分具有通过对接焊接形成的焊接部分，其垂直于端子纵向方向的横截面中存在锡，锡合金，镍，镍合金，银或银合金的相位大于0.01 μm2。 管状压接部分是封闭的管状体，其一端与导线插入开口相对地封闭。
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Patent Agency Ranking
公开(公告)号：US09306356B2
公开(公告)日：2016-04-05
申请号：US14477571
申请日：2014-09-04
Inventor： Akira Tachibana , Kengo Mitose , Kyota Susai , Takao Tateyama , Yukihiro Kawamura , Takashi Tonoike , Masakazu Kozawa , Takuro Yamada
IPC: H01R43/02 , H01R43/048 , H01R4/62 , H01R13/03 , H01R4/18
Abstract: In an electrical wire connecting structure and a method of manufacturing the electrical wire connecting structure, a terminal having a tube-shaped portion of 2.0 mm in inner diameter is prepared for an electrical wire having a conductor cross-sectional area of 0.72 to 1.37 mm2, the electrical wire 13 is inserted into an electrical wire insertion port of the tube-shaped portion of the electrical wire, and the tube-shaped portion and the core wire portion of the electrical wire are compressed to be crimp-connected to each other. Furthermore, a terminal having a tube-shaped portion of 3.0 mm in inner diameter is prepared for an electrical wire having a conductor cross-sectional area of 1.22 to 2.65 mm2, the electrical wire is inserted into the electrical wire insertion port of the tube-shaped portion 25 of the electrical wire, and the tube-shaped portion and the core wire portion of the electrical wire are compressed to be crimp-connected to each other.
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7.发明授权公开(公告)号：US09246292B2
公开(公告)日：2016-01-26
申请号：US14290503
申请日：2014-05-29
Inventor： Akira Tachibana , Kengo Mitose , Saburo Yagi
CPC classification number: H01R4/183 , B23K26/21 , B23K26/32 , B23K2101/38 , B23K2103/10 , B23K2103/12 , C22F1/08 , H01R4/184 , H01R4/187 , H01R4/20 , H01R43/02 , H01R43/0221 , H01R43/048 , H01R43/16 , Y10T29/49213
Abstract: A terminal includes a tubular crimp portion that crimp connects with an electric wire. The tubular crimp portion is composed of a metal member. The tubular crimp portion includes a non-weld portion and a weld portion, the weld portion being formed by welding. A metal base material constituting the metal member of the non-weld portion includes a normal portion and an annealed portion.
Abstract translation: 端子包括压接与电线连接的管状压接部分。 管状压接部由金属构件构成。 管状压接部分包括非焊接部分和焊接部分，焊接部分通过焊接形成。 构成非焊接部的金属构件的金属基材包括法线部和退火部。
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公开(公告)号：US11670436B2
公开(公告)日：2023-06-06
申请号：US16816772
申请日：2020-03-12
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Akira Tachibana , Daisuke Muto , Hirofumi Oshima
CPC classification number: H01B7/0838 , H01B1/026 , H01B3/427 , H01B7/40 , H02K3/28
Abstract: Provided are an insulated wire material including: a conductor including a single core conductor or a plurality of divided conductors placed in parallel to each other or helically placed; a peripheral insulating layer with which a periphery of the conductor is coated; and a welding member provided at least one end portion of the conductor and joined, via a welded portion welded to the single core conductor or divided conductors, to at least a peripheral surface of the welded portion, a manufacturing method thereof, a coil including the insulated wire material, and electrical/electronic equipment including the coil.
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9.发明授权公开(公告)号：US10998108B2
公开(公告)日：2021-05-04
申请号：US15363518
申请日：2016-11-29
Inventor： Yoshikazu Okuno , Yoshiaki Kobayashi , Tatsuya Nakatsugawa , Kengo Mitose , Akira Tachibana , Shingo Kawata
IPC: H01B1/02 , C25D5/12 , H01H1/025 , B21D53/00 , H01H1/04 , C25D5/50 , B32B15/01 , C22F1/10 , C25D5/34 , C25D7/00 , C22F1/08 , C22F1/16 , C25D3/12 , C25D3/30 , C25D3/38
Abstract: An electrical contact material (10) having: a conductive substrate (1) formed from copper or a copper alloy; a first intermediate layer (2) provided on the conductive substrate (1); a second intermediate layer (3) provided on the first intermediate layer (2); and an outermost layer (4) formed from tin or a tin alloy and provided on the second intermediate layer (3), wherein the first intermediate layer (2) is constructed as one layer of grains extending from the conductive substrate (1) side to the second intermediate layer (3) side, and wherein, in the first intermediate layer (2), the density of grain boundaries (5b) extending in a direction in which the angle formed by the grain boundary in interest and the interface between the conductive substrate and the first intermediate layer is 45° or greater, is 4 μm/μm2 or less; a method of producing the same; and a terminal.
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公开(公告)号：US10033146B2
公开(公告)日：2018-07-24
申请号：US15051943
申请日：2016-02-24
Inventor： Akira Tachibana , Kengo Mitose , Kyota Susai , Takao Tateyama , Yukihiro Kawamura , Takashi Tonoike , Masakazu Kozawa , Takuro Yamada
IPC: H01R43/048 , H01R4/62 , H01R13/03 , H01R4/18 , H01R43/02
Abstract: A method of manufacturing an electrical wire connecting structure in which a terminal having a tube-shaped portion and a conductor portion of a covered electrical wire are crimped at the tube-shaped portion, and the tube-shaped portion has a conductor crimping portion corresponding to the conductor portion, and a cover crimping portion corresponding to a cover portion of the covered electrical wire, the method comprising the steps of a) forming the tube-shaped portion, b) inserting the covered electrical wire into a corresponding space, c) crimping a welded portion of the conductor, and d) compressing the cover crimping portion.
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