WO2006054554A1 - シールド電線の端末接続構造およびその接続構造を有する端子付きシールド電線並びにその製造方法 - Google Patents
シールド電線の端末接続構造およびその接続構造を有する端子付きシールド電線並びにその製造方法 Download PDFInfo
- Publication number
- WO2006054554A1 WO2006054554A1 PCT/JP2005/020953 JP2005020953W WO2006054554A1 WO 2006054554 A1 WO2006054554 A1 WO 2006054554A1 JP 2005020953 W JP2005020953 W JP 2005020953W WO 2006054554 A1 WO2006054554 A1 WO 2006054554A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- terminal
- wire
- crimping
- barrel
- shielded
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
- H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
- H01R9/0518—Connection to outer conductor by crimping or by crimping ferrule
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/048—Crimping apparatus or processes
Definitions
- the present invention relates to a shielded wire terminal connection structure, a shielded wire with a terminal having the connection structure, and a manufacturing method thereof, and more specifically, an outer conductor terminal of a connector at a terminal portion of a shielded wire of a wire harness.
- the present invention relates to a shielded wire terminal connection structure suitable for improving the high-frequency characteristics by preventing the rotation of terminals, and a shielded wire with a terminal having the connection structure, and a method for manufacturing the shielded wire.
- the wire barrel provided in the outer conductor terminal and the tip of the insulation barrel are designed so that they come into contact with each other just around the electric wire. For this reason, the barrel length is short, which results in insufficient crimping of the braided wire, and there is a risk of the braided wire protruding between the gaps at the end of the barrel or short-circuiting due to wire breakage. [0005] Therefore, as in the invention described in Japanese Patent Application Laid-Open No. 2000-323246, overlap crimping is performed by increasing the lengths of the tip ends of the wire barrel and the insulation barrel.
- the braided wire is greatly wound during crimping, the risk of crimping leakage is reduced, and the end of the barrel is not abutted. Therefore, the braided wire is not cut between the gaps, and there is no possibility of a short circuit.
- the thickness of the coaxial wire changes slightly, it can be handled by adjusting the crimping height (CZH) and crimping width (CZW) to adjust the wrap amount at the barrel tip. It is possible to cope with it, and it is possible to reduce the number of types of terminals, thereby reducing cost.
- FIG. 4 shows the structure.
- FIG. 4 (a) shows a state before the outer conductor terminal 21 is crimped to the end of the shielded electric wire 10
- FIG. 4 (b) shows a state after the crimping carriage.
- the shielded electric wire 10 is shown as an example of a coaxial wire suitable for transmission of a high-frequency electric signal.
- the connector terminals connected to both ends of the shielded electric wire 10 for transmitting such a high-frequency signal have the inner conductor terminal 33 connected to the signal conductor 18 of the shielded electric wire 10 and the both ends of the outer conductor terminal 21 opened. It is accommodated in a rectangular tube-shaped fitting tube portion 23 via a dielectric 35.
- the braided wire (shield conductor) 14 of the shielded electric wire 10 is overlap-bonded by a pair of crimping pieces 30a and 30b of the wire barrel 26 extending to the fitting tube portion 23, and the insulation sheath of the shielded electric wire 10 is also insulated.
- the portion 12 is overlap-bonded by a pair of crimping pieces 30c, 30d of the insulation barrel 28.
- FIG. 5 is a cross-sectional view showing the process of overlapping crimping the shielded wire 10 by the wire barrel 26 and the insulation barrel 28 of the outer conductor terminal 21 (for convenience of drawing, only the insulation barrel 28 is shown).
- the crimper 44 is formed into a left-right asymmetric mold inner wall shape in which two peaks with different heights are connected, and this shifts the timing at which each pair of crimping pieces bends. The collision of the tip end portion of the crimping piece is avoided so that the crimping failure does not occur (Japanese Patent Laid-Open No. 3-165478).
- the crimper 41 which is a crimping die on the wire barrel 26 side, is also an asymmetrical die inner wall surface in which two ridges of different heights are connected in the same manner as the crimping die on the insulation barrel 28 side.
- the shape of the inner wall surface of both crimpers 41 and 44 is the outer conductor terminal piece side crimping piece 30a, 30c side bending crimping side opposite to the crimping side 30b, 30d side bending side Is larger (deeper).
- the central axis of the shielded wire 10 and the central axis of the signal conductor are shifted in both the wire barrel 26 and the insulation barrel 28, and the signal conductor Will be pulled to the side and the shielded wire will be twisted. There is a risk of disconnection.
- the terminal crimping device has been provided with a terminal presser 50 for preventing terminal bend-up and down, and the like.
- the terminal could be easily fixed by pressing the fitting cylinder part. Therefore, even if the asymmetric crimpers 41 and 44 clamp the wire barrel 26 and the insulation barrel 28, the crimping pieces 30b and 30d that do not rotate the terminal bend to the right side beyond the protrusion 72.
- the crimping pieces 30a and 30b, 30c and 30d overlapped each other evenly on the left and right sides, and a good overlap crimping could be performed.
- the problem to be solved by the present invention is that when the outer conductor terminal is crimped onto the shielded electric wire for high frequency, the rotation of the terminal is suppressed, and a good electric wire fixing force and electrical connection are provided.
- Another object of the present invention is to provide a shielded electric wire with a terminal having a terminal connection structure and a manufacturing method thereof.
- the shield conductor is covered around the signal conductor connected to the inner conductor terminal via an insulating inner sheath, and the outer periphery thereof is further insulated.
- a wire barrel which is a pair of crimping pieces for sandwiching the shield conductor exposed from the shielded wire terminal to the outer conductor terminal, and a jacket portion of the shielded wire
- An insulation barrel which is also a pair of crimping pieces, is formed back and forth, and the tip of the crimping piece forming the wire barrel pair and the tip of the crimping piece forming the pair of the insulation barrel are both
- the other crimping piece overlaps the crimping piece and the shielded electric wire is sandwiched between them.
- the overlapping of the respective crimping pieces in the wire barrel and the insulation barrel is the left-right reverse side.
- the gist of the present invention is that the pressure-bonding pieces are in an overlapping state.
- a second aspect of the present invention is a shielded electric wire with a terminal having the terminal connection structure.
- Claim 3 of the present invention is a method for manufacturing a shielded electric wire with a terminal having the above-mentioned terminal connection structure, wherein an insulating inner sheath is provided around the signal conductor connected to the inner conductor terminal.
- the shield is covered by a pair of crimping pieces of the wire barrel included in the outer conductor terminal.
- the shield conductor from which the wires are exposed is crimped in an overlapping manner, and the pair of insulation barrels that are also provided on the outer conductor terminal are overlapped in a manner opposite to the manner in which the crimped pieces of the wire barrel overlap.
- the gist of the invention is that the outer sheath of the shielded wire terminal is overlap-bonded.
- the overlap crimping state of the barrel tip of the wire barrel for sandwiching the shield conductor of the shielded electric wire and the portion of the insulation jacket are sandwiched Overlap at the tip of the barrel of the insulation barrel
- the crimping state is the state where the crimping pieces on the opposite sides are overlapped with each other, so the wire when crimping the outer conductor terminal to the shielded wire
- the rotation applied to the barrel and the rotation applied to the oscillation barrel cancel each other in opposite directions, and the rotation applied to the entire terminal can be suppressed. Therefore, the center axis of the terminal and the center axis of the wire are not misaligned.
- the shielded electric wire with a terminal having such a terminal connection structure of the shielded electric wire even in the terminal corresponding to the transmission of the high frequency signal in which the fitting cylindrical portion of the outer conductor terminal is a cylindrical shape, Since the rotation applied to the outer conductor terminal during crimping can be suppressed, a good electrical connection state can be obtained. For this reason, for example, it is suitably used for transmission of high-frequency signals such as the power of a wire harness of an automobile and a navigation system.
- the wire barrel and the insulation barrel included in the outer conductor terminal are opposite to each other. Since the overlap crimps are made so that they overlap, the rotation of the terminals can be effectively suppressed. Therefore, it is suitable for connecting the outer conductor terminal with a cylindrical fitting tube part corresponding to the high frequency that has been difficult to apply the overlap crimp until now, and the outer conductor terminal is crimped to the shielded wire.
- FIG. 1 shows a terminal connection structure of a shielded electric wire with a terminal according to an embodiment of the present invention, where (a) shows a state before connection and (b) shows a state after terminal connection. It is.
- FIG. 2 is a view showing a cross-sectional shape of a crimper and anvil of a crimping die for the outer conductor terminal of FIG. 1.
- FIG. 3 is a view showing a crimping process of a wire barrel and an insulation barrel of a shielded electric wire with a terminal according to an embodiment of the present invention.
- FIG. 4 (a) shows the state before the terminal connection of the conventional shielded wire with terminal, and (b) shows the state after the terminal connection.
- FIG. 5 is a diagram showing a process of crimping an insulation barrel of a shielded electric wire with a terminal according to the related art.
- FIG. 6 is a diagram showing a terminal presser during terminal connection processing.
- FIG. 1 (a) shows a state before the outer conductor terminal 20 is crimped to the end of the shielded electric wire 10.
- Fig. 1 (b) shows the state after crimping.
- the shielded electric wire 10 has an insulating covering around the signal conductor 18 in which a plurality of metal strands are twisted and bundled as a transmission path for electric signals and the like. 16 is covered with a shield conductor 14 consisting of a braided wire, which is also formed by braiding a plurality of strands, and the outer periphery of the shield conductor 14 is covered with an insulating sheath 12.
- the shield conductor 14 However, by covering the outer periphery of the signal conductor 18 without any gaps, it is suitable for transmission of high-frequency electrical signals.
- outer sheath 12 and the insulating inner sheath 16 are peeled at a predetermined length at the tip, and the signal conductor 18 and the shield conductor 14 are exposed.
- An inner conductor terminal 32 is connected to the signal conductor 18 and is inserted into the cylindrical fitting tube portion 22 of the outer conductor terminal 20.
- the outer conductor terminal 20 is formed by punching a conductive plate, and then formed by bending such as pressing, and a fitting cylinder portion 22 formed in a cylindrical shape opened in the front and rear, and the fitting cylinder Crimp pieces 30a, 30b for sandwiching the shield conductor 14 of the shielded electric wire 10 at the rear end of the portion 22 are formed so as to protrude upward and the shield conductor 10 at the rear end of the wire barrel 26.
- Insulation barrels 28 are formed so that the crimping pieces 30c, 30d for sandwiching the outer jacket 12 are projected upward in the same manner.
- the shielded electric wire 10 having a predetermined length peeled and having the inner conductor terminal 32 connected to the signal conductor 18 is placed.
- a crimper 40 is disposed above the wire barrel 26 and the shielded electric wire 10 placed thereon, and an anvil 42 is disposed below the wire barrel 26.
- the insulation barrel 28 is placed thereon.
- a crimper 44 is disposed above the shielded electric wire 10 and an anvil 46 is disposed below the wire barrel 28.
- Fig. 2 (a) shows the shape of the wire barrel crimper 40 and anvil 42
- Fig. 2 (b) shows the shape of the insulation norl crimper 44 and anvil 46 as viewed from the fitting surface side force of the outer conductor terminal.
- Fig. 2 (a) and Fig. 2 (b) are similar and formed in a horizontally inverted shape.
- These crimpers 40 and 44 are formed in an asymmetrical inner wall shape that consists of two ridges with different heights.
- a shallow depression 76 is on the left and two depressions are connected near the center.
- a deep recess 80 is formed on the right side of the portion 78.
- a deep recess 70 is formed on the left, a protruding portion 72 connecting two recesses near the center, and then a shallow recess 74 is formed on the right.
- FIG. 3 shows the barrel crimping process of the shielded electric wire with terminal according to the present invention in order.
- a crimper 40 is disposed above the wire barrel 26 and the shielded electric wire 10 placed thereon, and an anvil 42 is disposed below the wire barrel 28.
- a crimper 44 is disposed above the shielded electric wire 10 placed thereon, and an anvil 46 is disposed below the insulation barrel 28.
- the wire barrel crimper 44 descends from above the wire barrel 26 and the shielded electric wire 10 placed thereon, and first the inner wall 76 of the shallower hollow of the crimper 44 is shallower. Then, the crimping piece 30b on the left side in the figure comes into contact and begins to bend inward along the inner wall surface 76 of the mold. On the other hand, the crimper 44 for the insulation barrel descends from the insulation barrel 28 and the shielded electric wire 10 placed on the insulation barrel 28, and the figure first appears on the inner wall 74 of the shallower recess of the crimper 44. The middle right crimping piece 30c comes into contact and begins to bend inward along the inner wall surface 74 of the mold.
- the crimper 40 continues to descend, and the crimping piece 30a on the right side comes into contact with the deeper inner wall 80 of the crimper 40.
- the crimping piece 30a is also placed on the inner mold wall 80 in the same manner as the left crimping piece 30b. Then begin to bend inward.
- the crimper 44 continues to descend, and the left crimping piece 30d contacts the deeper mold inner wall surface 70 of the crimper 44.
- the crimping piece 30d is also inward along the inner mold wall surface 70. Begin to bend.
- the anvil 42 disposed below the wire barrel and the anvil 46 disposed below the insulation barrel are connected to the clinno 40, 44 with the wire barrel 26 and the insulation barrel. Insert 28 and shielded electric wire 10 placed on it. Then, as shown in FIG. 3 (b), the tip force S of the crimping pieces 30a, 30b and 30c, 30d reaches the projecting portions 72, 78 near the central axis of the clinno, and wraps the shield wire.
- the tip of the left crimping piece 30b that has begun to be bent first on the wire barrel side is guided by the protrusion 78 near the center of the crimper 40 and guided downward.
- the tip of the right crimping piece 30a that has started to bend at a later time is bent so as to overlap the left crimping piece 30b.
- the tip force of the right crimping piece 30c that started to be bent first is guided by the protrusion 72 near the center of the crimper 44 and guided downward, and the left crimping piece that started to bend slowly
- the tip of 30d is bent so as to overlap the right crimping piece 30c.
- the crimpers 40 and 44 continue to descend, and the bending progresses without the leading ends of the crimping pieces 30a and 30b and 30c and 30d reaching the projecting portions 72 and 78 near the center of each tarinno colliding.
- the crimping piece 30b bent along the shallower mold inner wall surface 76 of the crimper 40 is formed to wrap around under the other crimping piece 30a.
- the tip of the crimping piece 30a on the right side in the drawing is sandwiched between the tip of the crimping piece 30b that has been bent by the left side force and the protruding portion 78 of the crimper 40, and is pressed down.
- the tip of the crimping piece 30a is pushed in the direction indicated by the arrow 62 in FIG.
- the crimping piece 30c bent along the inner wall surface 74 of the shallower crimper 44 recess wraps under the crimping piece 30d on the opposite side.
- the tip end is sandwiched between the tip end of the crimping piece 30c, which has bent the right side force, and the protruding portion 72 of the crimper 44, and is pushed.
- the tip of the crimping piece 30d is pushed in the direction opposite to the wire barrel side, that is, the direction indicated by the arrow 64 in FIG.
- the outer conductor terminal 20 is pushed in the opposite direction on the wire barrel side and the insulation barrel side, so that the forces acting on the wire barrel side and the insulation barrel side are canceled out, and as a result, the outer conductor terminal 20 20 does not rotate. Therefore, the crimp piece 30a of the wire barrel and the crimp piece 30c of the insulation barrel exceed the protrusions 72 and 78 of the crimpers 40 and 44. The crimping pieces 30b and 30d are bent to the right side beyond the protrusion 72 of the crimper 44.
- the crimpers 40 and 44 continue to descend further, and as shown in Fig. 3 (d), on the wire barrel side, the tip of the left crimping piece 30b is below the right crimping piece 30a and the right crimping piece The tip of the piece 30a overlaps the upper side of the left crimp piece 30b by overlapping both left and right forces equally.
- the tip of the right crimping piece 30c is below the left crimping piece 30d, and the tip of the left crimping piece 30d is above the right crimping piece 30c.
- the crimping pieces are bent evenly on the left and right to obtain a good crimped state with no deviation between the center of the shielded cable and the signal conductor. Can do.
- the outer conductor terminal 20 has the shield wire 10 so that the crimping pieces overlap in the left and right directions in the wire barrel 26 and the insulation barrel 28 provided in front and back. Crimped to For example, in the example shown in FIG. 3, the insulation barrel 28 is overlap-bonded with the left crimping piece 30d overlapping the right crimping piece 30c. At the same time, the wire barrel is pressure-overlapped with the right crimping piece 30a overlapping the left crimping piece 30b. At this time, the force that generates the clockwise rotation in the insulation barrel 28 and the counterclockwise rotation in the wire barrel 26 is the opposite direction. For this reason, the clockwise and counterclockwise rotations are offset, and the outer conductor terminal 20 is prevented from rotating as a whole, and good crimping as shown in FIG.
- the present invention has been described in detail.
- the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the gist of the present invention.
- the case where the crimping piece on the right side of the wire barrel is on the upper side and the crimping piece on the left side of the insulation barrel is on the upper side has been described. Needless to say, it doesn't matter at all.
- the force described with reference to the example of the coaxial wire as the shielded wire can be applied to other shielded wires.
- the terminal connected to the electric wire has two or more pairs of crimping pieces before and after! It can be applied to any terminal, and the multiple pairs of crimping pieces overlap each other. ! / Thus, it is possible to carry out overlap pressure bonding.
- the shielded electric wire with a terminal according to the present invention is suitable for transmission of a high-frequency signal and has a strong adhering force between the terminal and the electric wire and high reliability of electrical connection, for example, a connector member for an automobile wire harness and its It can utilize suitably for manufacture etc.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004332859A JP2006147223A (ja) | 2004-11-17 | 2004-11-17 | シールド電線の端末接続構造およびその接続構造を有する端子付きシールド電線並びにその製造方法 |
JP2004-332859 | 2004-11-17 |
Publications (1)
Publication Number | Publication Date |
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WO2006054554A1 true WO2006054554A1 (ja) | 2006-05-26 |
Family
ID=36407097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/020953 WO2006054554A1 (ja) | 2004-11-17 | 2005-11-15 | シールド電線の端末接続構造およびその接続構造を有する端子付きシールド電線並びにその製造方法 |
Country Status (2)
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JP (1) | JP2006147223A (ja) |
WO (1) | WO2006054554A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114267965A (zh) * | 2020-09-16 | 2022-04-01 | 住友电装株式会社 | 带端子电线 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009054357A (ja) * | 2007-08-24 | 2009-03-12 | Auto Network Gijutsu Kenkyusho:Kk | シールド電線の端末接続構造ならびに端子付きシールド電線および端子付きシールド電線の製造方法 |
JP4832384B2 (ja) * | 2007-08-29 | 2011-12-07 | 矢崎総業株式会社 | アンテナ接続構造及びアンテナ接続方法 |
JP2009277437A (ja) * | 2008-05-13 | 2009-11-26 | Yazaki Corp | シールド接続構造およびシールド接続方法 |
JP5586354B2 (ja) * | 2010-07-15 | 2014-09-10 | 矢崎総業株式会社 | 金型及び圧着方法 |
KR101380563B1 (ko) * | 2012-12-13 | 2014-04-01 | 주식회사 유라코퍼레이션 | 동시압착용 어플리케이터 |
JP6282818B2 (ja) | 2013-08-09 | 2018-02-21 | 日本圧着端子製造株式会社 | 圧接コネクタ、および、電線付き圧接コネクタ |
JP6586348B2 (ja) * | 2015-10-29 | 2019-10-02 | 矢崎総業株式会社 | 端子圧着装置及び端子圧着方法 |
EP3258550A1 (de) * | 2016-06-14 | 2017-12-20 | Telsonic Holding AG | Vorrichtung und verfahren zum crimpen von verbindungselementen und crimpverbindung |
JP6402958B1 (ja) * | 2017-02-10 | 2018-10-10 | 株式会社オートネットワーク技術研究所 | 端子付き電線 |
JP7132601B2 (ja) * | 2018-07-30 | 2022-09-07 | 日本圧着端子製造株式会社 | 電線と保持金具との接続構造 |
JP7402419B2 (ja) * | 2020-09-16 | 2023-12-21 | 住友電装株式会社 | 端子付き電線 |
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US2763849A (en) * | 1952-03-01 | 1956-09-18 | Aircraft Marine Prod Inc | Electrical connector |
JPS5577368U (ja) * | 1978-11-22 | 1980-05-28 | ||
JPS5725489U (ja) * | 1980-07-18 | 1982-02-09 | ||
JPH0456085A (ja) * | 1990-06-22 | 1992-02-24 | Hirose Electric Co Ltd | コネクタの結線構造とその方法 |
US6183309B1 (en) * | 1999-04-26 | 2001-02-06 | Thomas Shiaw-Cherng Chiang | Molded electrical receptacle assembly |
-
2004
- 2004-11-17 JP JP2004332859A patent/JP2006147223A/ja active Pending
-
2005
- 2005-11-15 WO PCT/JP2005/020953 patent/WO2006054554A1/ja not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2763849A (en) * | 1952-03-01 | 1956-09-18 | Aircraft Marine Prod Inc | Electrical connector |
JPS5577368U (ja) * | 1978-11-22 | 1980-05-28 | ||
JPS5725489U (ja) * | 1980-07-18 | 1982-02-09 | ||
JPH0456085A (ja) * | 1990-06-22 | 1992-02-24 | Hirose Electric Co Ltd | コネクタの結線構造とその方法 |
US6183309B1 (en) * | 1999-04-26 | 2001-02-06 | Thomas Shiaw-Cherng Chiang | Molded electrical receptacle assembly |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114267965A (zh) * | 2020-09-16 | 2022-04-01 | 住友电装株式会社 | 带端子电线 |
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JP2006147223A (ja) | 2006-06-08 |
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