WO2011087032A1 - シールド導電路 - Google Patents
シールド導電路 Download PDFInfo
- Publication number
- WO2011087032A1 WO2011087032A1 PCT/JP2011/050395 JP2011050395W WO2011087032A1 WO 2011087032 A1 WO2011087032 A1 WO 2011087032A1 JP 2011050395 W JP2011050395 W JP 2011050395W WO 2011087032 A1 WO2011087032 A1 WO 2011087032A1
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- WIPO (PCT)
- Prior art keywords
- electric wires
- partition wall
- wall
- shape
- conductive path
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/006—Constructional features relating to the conductors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
Definitions
- the present invention relates to a shield conductive path.
- a shield conductive path in which a plurality of non-shielded electric wires are inserted into a metal pipe to shield and protect the electric wires (for example, Patent Document 1).
- a plurality of types of electric wires such as a power wire through which a high voltage and a large current flow and a weak electric wire are routed.
- a power wire through which a high voltage and a large current flow and a weak electric wire are routed.
- shield the braided wire etc. on the weak electric cable to prevent the influence of electromagnetic noise generated by the power cable.
- the number of parts is increased, and processing is troublesome.
- the present invention has been completed based on the above circumstances, and an object thereof is to provide a shield conductive path through which a plurality of types of electric wires can be inserted and can be easily processed into a desired shape. To do.
- the present invention is a shield conductive path comprising a plurality of electric wires formed by surrounding a conductor with an insulation coating, and a metal pipe that shields and protects by inserting the electric wires, A cylindrical tube body through which an electric wire is inserted, and a partition wall extending from an inner wall of the tube body and partitioning the inside of the tube body, the partition wall being perpendicular to the axial direction of the tube body
- the cross-sectional shape in the direction is characterized by a curved surface shape or a bent shape.
- the inside of the pipe body of the pipe is partitioned by the partition wall, a plurality of types of electric wires can be inserted without being shielded, so that it does not take time and effort for processing.
- the cross-sectional shape of the partition wall that partitions the cylinder body is a curved surface or a bent shape, it is easily deformed.
- it is possible to provide a shield conductive path through which a plurality of types of electric wires can be inserted and can be easily processed into a desired shape.
- the present invention preferably has the following configuration.
- a gap is provided between the insertion space surrounded by the inner wall of the cylinder main body and the partition wall and the outer peripheral surface of the insulating coating, when the shield conductive path is bent There is no damage to the wires.
- the partition wall has a cross-sectional shape that is line-symmetrical or point-symmetrical, or extends from the inner wall of the cylinder body to the axis of the cylinder body and is equivalent to the inner wall of the cylinder body.
- the partition wall is easily bent, so that processing into a desired shape is facilitated.
- the present invention it is possible to provide a shield conductive path through which a plurality of types of electric wires can be inserted and can be easily processed into a desired shape.
- the shield conductive path 10 according to the first embodiment is routed between devices (not shown) such as a battery, an inverter, and a motor that constitute a power source for traveling in a hybrid vehicle, for example.
- the non-shield type electric wires 11 and 21 are inserted into a pipe 30 having both a collective shield function and an electric wire protection function.
- the three electric wires arranged in the right insertion space 34 (details will be described later) in FIG. 1 are referred to as the first electric wires 11 and arranged in the left insertion space 35 in FIG.
- This electric wire is referred to as a second electric wire 21, and these are collectively referred to as two types of electric wires 11 and 21.
- the two types of electric wires 11 and 21 have different cross-sectional diameters, and the first electric wire 11 has a larger cross-sectional diameter than the second electric wire 21.
- Each of the two types of electric wires 11 and 21 has a form in which the outer circumferences of conductors 12 and 22 made of metal (for example, aluminum alloy, aluminum, copper, copper alloy, etc.) are surrounded by insulating coatings 13 and 23 made of synthetic resin. .
- the conductors 12 and 22 of the two types of electric wires 11 and 21 are each composed of a bar-shaped single core wire or a stranded wire in which a plurality of fine wires are close to each other in a spiral shape, and are formed in a substantially circular cross section.
- the cross-sectional shape of the outer periphery of the insulating coatings 13 and 23 is formed into a substantially circular cross section.
- the pipe 30 is made of metal (for example, aluminum alloy or copper alloy), and extends from the cylindrical portion 31 (corresponding to the tube main body 31) having a substantially circular cross section and the inner wall 31A of the cylindrical portion 31 to the inside of the cylindrical portion 31. And a partition wall 32 for partitioning 31B.
- the cylindrical portion 31 and the partition wall 32 are integrally formed by extrusion molding.
- the partition wall 32 is formed over the entire length of the pipe 30, and passes from the one end portion of the inner peripheral surface (inner wall) of the cylindrical portion 31 through the axis Y of the cylindrical portion 31 to face the one end portion. It is formed over the inner peripheral surface.
- the cross-sectional shape in the direction perpendicular to the axial direction of the cylindrical portion 31 of the partition wall 32 is a curved surface shape curved in a sine curve shape.
- the cross-sectional shape of the partition wall 32 is substantially point-symmetric with respect to the axis Y of the cylindrical portion 31.
- the interior 31 ⁇ / b> B of the cylindrical portion 31 is partitioned into two insertion spaces 34 and 35 by the partition wall 32.
- Each of the insertion spaces 34 and 35 is a space surrounded by the inner wall 31 ⁇ / b> A of the cylindrical portion 31 and the partition wall 32.
- the first electric wire 11 and the second electric wire 21 are inserted from the opening on one end side of the pipe 30, respectively.
- the insertion space 34 on the right side in the drawing through which the first electric wire 11 is inserted is used as the first insertion space 34
- the insertion space 35 on the left side in the drawing through which the second electric wire 21 is inserted is the second insertion space 35.
- the two insertion spaces are collectively referred to as insertion spaces 34 and 35.
- a gap 36 is provided between the insulating coating 13 of the inserted first electric wire 11 and the first insertion space 34, and the insulating coating 23 of the inserted second electric wire 21 and the second A gap 37 is also provided between the insertion space 35.
- the shield conductive path 10 of the present embodiment When wiring the shield conductive path 10 of the present embodiment produced as described above, the shield conductive path 10 is deformed into a shape corresponding to the wiring location.
- the cross-sectional shape of the partition wall 32 that partitions the cylindrical portion 31 is a curved surface, it is easy to deform.
- gaps 36 and 37 are provided between the first and second insertion spaces 34 and 35 and the outer peripheral surfaces of the insulating coatings 13 and 23 of the two types of electric wires 11 and 21. Therefore, the bending process is easy without scratching the insulating coatings 13 and 23 of the electric wires 11 and 21, and the sectional shape of the partition wall 32 is point-symmetric. It is easy and processing to a desired shape is easier. As described above, according to the present embodiment, it is possible to provide the shield conductive path 10 through which a plurality of types of electric wires 11 and 21 can be inserted and can be easily processed into a desired shape.
- the shield conductive path 40 of the present embodiment is routed between devices (not shown) similar to those of the first embodiment.
- Three types of non-shielded electric wires 51, 61, 71 are collectively shielded. It becomes the structure penetrated in the pipe 80 which has a function and an electric wire protection function.
- one electric wire arranged in the upper insertion space 84 (details will be described later) in FIG. 2 is defined as the third electric wire 51, and is arranged in the lower right insertion space 85 in FIG. 2.
- the two electric wires are the fourth electric wires 61, the four electric wires arranged in the insertion space 86 on the lower left side in FIG. 2 are the fifth electric wires 71, and these three types of electric wires 51, 61, 71.
- the three types of electric wires 51, 61, 71 have different cross-sectional diameters, and the third electric wire 51, the fourth electric wire 61, and the fifth electric wire 71 are arranged in order of increasing cross-sectional diameter.
- the three types of electric wires 51, 61, 71 are made of insulating coatings 53, 63, 73 made of synthetic resin on the outer periphery of conductors 52, 62, 72 made of metal (for example, aluminum alloy, aluminum, copper, copper alloy, etc.), respectively. It is the form surrounded by.
- the conductors 52, 62, 72 of the three types of electric wires 51, 61, 71 are each composed of a rod-shaped single core wire or a twisted wire in which a plurality of thin wires are spirally arranged, and are formed in a substantially circular cross section.
- the cross-sectional shape of the outer periphery of the insulating coatings 53, 63, 73 is also formed into a substantially circular cross-section, like the conductors 52, 62, 72.
- the pipe 80 is made of metal (for example, aluminum alloy or copper alloy), and extends from the cylindrical portion 81 (corresponding to the cylinder main body 81) having a substantially circular cross section and the inner wall 81A of the cylindrical portion 81 to the inside of the cylindrical portion 81. And a partition wall 82 for partitioning 81B.
- the cylindrical portion 81 and the partition wall 82 are integrally formed by extrusion molding.
- the partition wall 82 is formed over the entire length of the pipe 80, and the three arc-shaped partition pieces 83, 83, 83 extending from the inner wall 81 ⁇ / b> A of the cylindrical portion 81 to the axis Z of the cylindrical portion 81.
- the cross-sectional shape in the direction perpendicular to the axial direction of the cylindrical portion 81 is a curved surface shape.
- the extending ends (ends on the axis Z side) of the three partition pieces 83, 83, 83 are connected and integrated with each other at the axis Z of the cylindrical portion 81.
- the three partition pieces 83, 83, 83 have the same shape, and are arranged at equiangular intervals at a pitch of 120 ° in the circumferential direction of the inner wall 81 ⁇ / b> A of the cylindrical portion 81.
- the interior 81B of the cylindrical portion 81 is partitioned into three insertion spaces 84, 85, 86 by the partition wall 82.
- Each insertion space 84, 85, 86 is a space surrounded by the inner wall 81 ⁇ / b> A of the cylindrical portion 81 and the partition wall 82.
- the third electric wire 51, the fourth electric wire 61, and the fifth electric wire 71 are inserted from the opening on one end side of the pipe 80.
- the upper insertion space 84 in the drawing through which the third electric wire 51 is inserted is defined as the third insertion space 84
- the lower right insertion space 85 in the drawing through which the fourth electric wire 61 is inserted is the fourth insertion.
- the insertion space 86 on the left side in the drawing through which the fifth electric wire 71 is inserted is defined as a fifth insertion space 86, and the three insertion spaces are collectively referred to as insertion spaces 84, 85, 86.
- a gap 87 is provided between the insulating coating 53 of the inserted third electric wire 51 and the third insertion space 84, and the insulating coating 63 and the fourth insertion of the inserted fourth electric wire 61 are provided.
- a gap 88 is provided between the space 85 and a gap 89 is also provided between the insulating coating 73 of the inserted fifth electric wire 71 and the fifth insertion space 86.
- the shield conductive path 40 of the present embodiment When wiring the shield conductive path 40 of the present embodiment produced as described above, the shield conductive path 40 is deformed into a shape corresponding to the wiring location.
- the cross-sectional shape of the partition wall 82 that partitions the cylindrical portion 81 is a curved surface shape, it is easy to deform.
- the shield conductive path 40 that can insert the three kinds of electric wires 51, 61, 71 and can be easily processed into a desired shape.
- the partition wall has a curved cross-sectional shape and a point-symmetric shape, or extends from the inner wall of the cylinder body to the axis of the cylinder body and is equally spaced from the inner wall of the cylinder body
- the partition wall only needs to have a curved surface shape or a bent shape, and for example, the partition wall may have a bent shape as shown in FIG.
- the partition wall has a bent cross-sectional shape.
- the partition wall may have a line-symmetric shape, a partition wall having an arc-shaped cross section may be formed at a position where the inside of the cylinder body is not divided equally, or a plurality of partition walls may be arranged. Also good.
- a plurality of partition pieces having the same shape may be arranged at unequal intervals to form a partition wall, or a plurality of partition pieces having different shapes may be arranged at equal or unequal intervals to form a partition wall. It may be formed.
- plural types (two types, three types) of electric wires are inserted into the insertion space of the cylinder main body for each type, but the same type of electric wires are divided into a plurality of insertion spaces and inserted. It may be made.
- the cross-sectional shape of the pipe is not substantially circular, but may be substantially elliptical or substantially polygonal.
- the metal pipe is not limited to being integrally formed by extrusion, but may be formed by welding.
- a wire such as an optical fiber may be further inserted into the pipe.
- the cross-sectional shape of the electric wire may be a flat shape, a substantially oval shape, a substantially oval shape, a substantially rectangular shape, or the like other than the substantially circular shape.
- the cross-sectional diameters of the wires to be inserted may be the same or the same.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Details Of Indoor Wiring (AREA)
- Insulated Conductors (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Manufacturing Of Electric Cables (AREA)
Abstract
Description
ところで、ハイブリッド自動車などの車両においては、高電圧大電流が流れる動力電線や弱電系の電線など複数種の電線が配索される。ここで、例えば、動力電線と弱電系の電線とを、同一のパイプに挿通させる場合には、動力電線が発する電磁ノイズの影響を防ぐために弱電系の電線に編組線などのシールドを施してからパイプに挿通させる必要があり、部品点数が多くなり、かつ、加工の手間がかかるという問題があった。
本発明は、導体を絶縁被覆で包囲してなる複数の電線と、前記電線を挿通させることによりシールドするとともに保護する金属製のパイプと、を備えるシールド導電路であって、前記パイプは、前記電線を挿通させる筒状の筒本体と、前記筒本体の内壁から延出され前記筒本体の内部を仕切る仕切り壁と、を有し、前記仕切り壁の前記筒本体の軸線方向に対して垂直な方向の断面形状が、曲面形状あるいは屈曲した形状であるところに特徴を有する。
前記筒本体の内壁および前記仕切り壁に囲まれてなる挿通空間と、前記絶縁被覆の外周面との間には、隙間が設けられている構成とすると、シールド導電路の曲げ加工を行った時電線を傷つけることはない。
本発明によれば、複数種の電線を挿通可能であり、かつ、所望の形状に容易に加工可能なシールド導電路を提供することができる。
11…第1の電線(電線)
12…導体
13…絶縁被覆
21…第2の電線(電線)
22…導体
23…絶縁被覆
30…パイプ
31…円筒部(筒本体)
31A…内壁
Y…円筒部の軸心
32…仕切り壁
34…第1の挿通空間(挿通空間)
35…第2の挿通空間(挿通空間)
36…隙間
37…隙間
83…仕切り片
以下、本発明を具体化した実施形態1を図1を参照して説明する。本実施形態1のシールド導電路10は、例えばハイブリッド自動車において走行用の動力源を構成するバッテリ、インバータ、モータなどの装置(図示せず)の間に配索されるものであり、2種類のノンシールドタイプの電線11,21を、一括シールド機能と電線保護機能を兼ね備えるパイプ30内に挿通した構成になる。
本実施形態のシールド導電路10を作製する際には、パイプ30の円筒部31の内部31Bに2種類の電線11,21を挿通させる。パイプ30の一端側の開口から第1の挿通空間34に第1の電線11が3本挿通され、第2の挿通空間35に第2の電線が4本挿通される。ここで、本実施形態では、パイプ30の円筒部31Aの内部31Bが仕切り壁32により仕切られているから、2種類の電線11,21を挿通させる際にシールドを施す必要はないので加工の手間がかからず部品点数も少なくて済む。仕切り壁によって挿通空間が狭まり、電線との接触面が増え、電線の発熱を放熱させる効果もある。
以上より、本実施形態によれば、複数種の電線11,21を挿通可能であり、かつ、所望の形状に容易に加工可能なシールド導電路10を提供することができる。
以下、本発明を具体化した実施形態2を図2を参照して説明する。本実施形態のシールド導電路40は、実施形態1と同様の装置(図示せず)の間に配索されるものであり、3種類のノンシールドタイプの電線51,61,71を、一括シールド機能と電線保護機能を兼ね備えるパイプ80内に挿通した構成になる。
本実施形態のシールド導電路40を作製する際には、パイプ80の円筒部81の内部81Bに3種類の電線51,61,71を挿通させる。パイプ80の一端側の開口から第3の挿通空間84に第3の電線51が1本挿通され、第4の挿通空間85に第4の電線61が2本挿通され、第5の挿通空間86に第5の電線71が4本挿通される。ここで、本実施形態では、パイプの円筒部81の内部81Bが仕切り壁82により仕切られているから、複数種の電線51,61,71を挿通させる際にシールドを施す必要はないので加工の手間がかからず部品点数も少なくて済む。
以上より、本実施形態によれば、3種類の電線51,61,71を挿通可能であり、かつ、所望の形状に容易に加工可能なシールド導電路40を提供することができる。
本発明は上記記述及び図面によって説明した実施形態に限定されるものではなく、例えば次のような実施形態も本発明の技術的範囲に含まれる。
(1)上記実施形態では仕切り壁として断面形状が曲面形状であり、かつ点対称な形状のものや、筒本体の内壁から筒本体の軸心に延出されるとともに筒本体の内壁に均等な間隔で配置された同一形状の複数の仕切り片からなるものを示したが、これに限定されない。
仕切り壁は断面形状が曲面形状あるいは屈曲した形状のものであればよく、例えば図3に示すような断面形状が屈曲した形状のものであってもよい。なお、図3に示すシールド導電路は、仕切り壁の断面形状が屈曲した形状であること以外は実施形態1のシールド導電路と同様の構成である。
また、仕切り壁は線対称な形状のものでもよいし、筒本体の内部を均等に分割しない位置に、断面が円弧状の仕切り壁を形成してもよいし、複数の仕切り壁を配置してもよい。さらに、同一形状の複数の仕切り片を不均等な間隔で配置して仕切り壁を形成してもよいし、相違する形状の複数の仕切り片を均等あるいは不均等な間隔で配置して仕切り壁を形成してもよい。
(2)上記実施形態では複数種(2種、3種)の電線を、種類ごとに筒本体の挿通空間に挿通させたが、同一種の複数本の電線を複数の挿通空間にわけて挿通させたものであってもよい。
(3)パイプの断面形状は略円形でなく、略楕円形、略多角形でも良い。
(4)金属パイプは押し出し成形によって一体に形成されたものだけでなく、溶接により形成されたものでも良い。
(5)パイプには光ファイバーなどの線材をさらに挿通させてもよい。
(6)電線の断面形状は略円形以外に、フラット形状、略楕円形、略長円形、略矩形状などであってもよい。
(7)挿通させる電線の断面直径は同一のものであっても、同程度のものであっても良い。
Claims (3)
- 導体を絶縁被覆で包囲してなる複数の電線と、前記電線を挿通させることによりシールドするとともに保護する金属製のパイプと、を備えるシールド導電路であって、
前記パイプは、前記電線を挿通させる筒状の筒本体と、前記筒本体の内壁から延出され前記筒本体の内部を仕切る仕切り壁と、を有し、
前記仕切り壁の前記筒本体の軸線方向に対して垂直な方向の断面形状が、曲面形状あるいは屈曲した形状であることを特徴とするシールド導電路。 - 前記筒本体の内壁および前記仕切り壁に囲まれてなる挿通空間と、前記絶縁被覆の外周面との間には、隙間が設けられていることを特徴とする請求の範囲第1項に記載のシールド導電路。
- 前記仕切り壁は、前記断面形状が線対称な形状または点対称な形状であるか、あるいは、前記筒本体の内壁から前記筒本体の軸心に延出されるとともに前記筒本体の内壁に均等な間隔を設けて配置された同一形状の複数の仕切り片からなることを特徴とする請求の範囲第1項または第2項に記載のシールド導電路。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/520,039 US20120279776A1 (en) | 2010-01-14 | 2011-01-13 | Shield conducting path |
CN2011800060929A CN102714076A (zh) | 2010-01-14 | 2011-01-13 | 屏蔽导电路径 |
KR1020127019927A KR101348492B1 (ko) | 2010-01-14 | 2011-01-13 | 실드 도전로 |
DE112011100246T DE112011100246T5 (de) | 2010-01-14 | 2011-01-13 | Abgeschirmter Leitungspfad |
BR112012017403A BR112012017403A2 (pt) | 2010-01-14 | 2011-01-13 | caminho de blindagem condutora |
KR1020137031165A KR20140013053A (ko) | 2010-01-14 | 2011-01-13 | 실드 도전로 |
US14/742,350 US9396840B2 (en) | 2010-01-14 | 2015-06-17 | Shield conducting path |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-005706 | 2010-01-14 | ||
JP2010005706A JP4897058B2 (ja) | 2010-01-14 | 2010-01-14 | シールド導電路 |
Related Child Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/520,039 A-371-Of-International US20120279776A1 (en) | 2010-01-14 | 2011-01-13 | Shield conducting path |
US14/742,350 Continuation-In-Part US9396840B2 (en) | 2010-01-14 | 2015-06-17 | Shield conducting path |
US14/742,350 Continuation US9396840B2 (en) | 2010-01-14 | 2015-06-17 | Shield conducting path |
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WO2011087032A1 true WO2011087032A1 (ja) | 2011-07-21 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2011/050395 WO2011087032A1 (ja) | 2010-01-14 | 2011-01-13 | シールド導電路 |
Country Status (7)
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US (2) | US20120279776A1 (ja) |
JP (1) | JP4897058B2 (ja) |
KR (2) | KR20140013053A (ja) |
CN (1) | CN102714076A (ja) |
BR (1) | BR112012017403A2 (ja) |
DE (1) | DE112011100246T5 (ja) |
WO (1) | WO2011087032A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104520150A (zh) * | 2012-02-23 | 2015-04-15 | 住友电装株式会社 | 线束的布线结构及该布线结构的形成方法 |
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Also Published As
Publication number | Publication date |
---|---|
KR20120102798A (ko) | 2012-09-18 |
KR20140013053A (ko) | 2014-02-04 |
US9396840B2 (en) | 2016-07-19 |
DE112011100246T5 (de) | 2013-05-02 |
KR101348492B1 (ko) | 2014-01-06 |
CN102714076A (zh) | 2012-10-03 |
US20120279776A1 (en) | 2012-11-08 |
BR112012017403A2 (pt) | 2017-12-19 |
JP4897058B2 (ja) | 2012-03-14 |
US20150287500A1 (en) | 2015-10-08 |
JP2011146228A (ja) | 2011-07-28 |
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