JP3562489B2 - Flat harness - Google Patents

Flat harness Download PDF

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Publication number
JP3562489B2
JP3562489B2 JP2001176908A JP2001176908A JP3562489B2 JP 3562489 B2 JP3562489 B2 JP 3562489B2 JP 2001176908 A JP2001176908 A JP 2001176908A JP 2001176908 A JP2001176908 A JP 2001176908A JP 3562489 B2 JP3562489 B2 JP 3562489B2
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JP
Japan
Prior art keywords
flat harness
electric wire
wire insertion
insertion portion
flat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2001176908A
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Japanese (ja)
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JP2002367439A (en
Inventor
一郎 鈴木
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Sumitomo Wiring Systems Ltd
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Sumitomo Wiring Systems Ltd
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Priority to JP2001176908A priority Critical patent/JP3562489B2/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/012Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
    • H01B13/01254Flat-harness manufacturing

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  • Insulated Conductors (AREA)
  • Connection Of Plates (AREA)
  • Details Of Indoor Wiring (AREA)
  • Installation Of Indoor Wiring (AREA)

Description

【0001】
【発明の属する技術分野】
本発明は自動車に配策されるフラットハーネスに関し、詳しくは、回路増設時にフラットハーネスに電線を追加配線出来るようにするものである。
【0002】
【従来技術】
従来、自動車のドア、ルーフ、トランクルーム、シート下部等のワイヤハーネスを配索するスペースが狭く平坦な箇所では、フラットハーネスがワイヤハーネスとして用いられている。
このフラットハーネスとしては、平行配線した導体を絶縁樹脂でモールドしながら連続成形しているものと、平行配線した導体の両面を絶縁樹脂フィルムでラミネートしたものがある。
【0003】
また、この種のフラットケーブルで、回路数を増設可能としたものとして、特開平5−62527に、図11に示すように、フラットハーネス1の幅方向の一端に凹部1a、他端に凹部1aに係止すつ凸部1bを設け、複数のフラットハーネス1−1、1−2を連結するものが提案されている。
【0004】
【発明が解決しようとする課題】
上記絶縁樹脂でモールドするフラットハーネスおよび絶縁樹脂フィルムでラミネートするフラットハーネスで、後から回路の追加することはできず、従来はフラットハーネスを積層する等して回路を増加している。
上記フラットハーネスを積層して通過する場合、および図11に示すフラットハーネスを幅方向に連続していく場合等、いずれの場合も、フラットハーネス内の導体が追加導体となるため、その許容電流量は導体の電流量で通常小電流量である。大電流回路、中電流回路を必要とする電源回路等では、フラットハーネスを増加しても、所要の回路を増設することはできない問題がある。
【0005】
本発明は上記した問題に鑑みてなされたもので、所要電流量の回路をフラットハーネスに追加できるようにすることを課題としている。
【0006】
【課題を解決するための手段】
上記問題を解決するため、本発明は、第一に、複数の導体を絶縁樹脂でモールドしながら連続成形しているフラットハーネスにおいて、
少なくとも一方側の幅方向の絶縁に沿って電線挿入部を有する延在部を一体成形で設け、
上記電線挿入部は、外面に開口させた凹部からなり、開口を通して押し込まれる電線を内嵌保持する構成としていることを特徴とするフラットハーネスを提供している。
【0007】
上記モールド成形して形成するフラットハーネスでは、成形時に電線挿入部を有している延在部を一体成形で設けている。このように、フラットハーネスを延在部付きとして成形しておくと、新たに回路の追加がある場合には、延在部の電線挿入部に電線を押し込むだけで、フラットハーネスに所要電流量の電線を容易に取り付けることができる。
【0008】
上記電線挿入部は、例えば、断面円形の凹部を電線直径より小径とした挿入口と連通させ、この挿入口を外面に開口させ、挿入口より電線を穴に押し込むことにより、電線を保持する構成としている。よって、断面円形の径を予め挿入する電線径に応じて設定しておくと、挿入する電線をガタつきなく保持することができる。
また、上記電線挿入部は、フラットハーネスにおいて一方側の幅方向の端縁に設けてもよいし、両側に設けてもよい。さらに、上記電線挿入部を一方側の端縁に複数個並設してもよい。
【0009】
なお、上記フラットハーネスの内部にモールドされる導体は、銅箔を打ち抜いた薄肉導体、角導体、単芯線等のいずれでもよい。
【0010】
本発明は、第二に、複数の導体の上下両面を絶縁フィルムでラミネートしているフラットハーネスにおいて、
少なくとも一方側の幅方向の端縁に沿って、電線挿入部を有する延在部材を溶着あるいは接着して連結し、
上記電線挿入部は、外面に開口させた凹部からなり、開口を通して押し込まれる電線を内嵌保持する構成としていることを特徴とするフラットハーネスを提供している。
【0011】
上記FFC、FPC等からなる複数の導体の両面を絶縁樹脂フィルムでラミネートしている場合には、前記のようにモールド樹脂と一体成形で延在部を設けることができないため、電線挿入部を有した延在部材を予め成形しておき、これをフラットハーネスにおいて少なくとも一方側の幅方向の端縁に沿って溶着あるいは接着して連結している。
このように、電線挿入部を有した延在部を溶着してフラットハーネスに取り付けるため、長さ方向において、必要な箇所に必要な長さの延在部を設けることができるという利点がある。
【0012】
また、いずれの場合も、フラットハーネスに増設する予定の電線に合わせて、電線挿入部は太物電線を1本または細物電線を1〜3本挿入できる大きさとし、かつ、電線挿入部を1個または複数個を並列し、さらに、該電線挿入部を設けた上記延在部または延在部材は、幅方向の端縁に沿って全長または所要部分に設けている。
【0013】
【発明の実施の形態】
以下、本発明の実施形態を図面を参照して説明する。
図1および図2は第1実施形態のフラットハーネス10を示す。
フラットハーネス10は、図1に示すように、複数の導体11を、絶縁樹脂12でモールドしながら連続成形しており、左側の幅方向の端縁12aに沿って電線挿入部13を有する延在部14を一体成形で設けている。第1実施形態では、導体11は5本で、5回路のフラットハーネスとしている。
【0014】
延在部14は、絶縁樹脂12の幅方向の端縁12aに沿って全長に渡って連続的に設け、該延在部13に電線挿入部13を凹設している。電線挿入部13は断面円形13aと、断面円形部13aの一部を狭い挿入口13bに連続させた凹部からなり、挿入口13bを外面に開口している。
【0015】
第1実施形態では、太物電線W1を増加するとため、絶縁樹脂12の厚みよりも延在部14の厚みを大きくし、電線挿入部13の断面円形部13aの断面積を大きくしている。
【0016】
上記電線挿入部13に1本の太物電線W1を挿入する場合は、図2に示すように、挿入口13bを電線W1を押し込んで、断面円形部13aに電線Wを押し込んで取り付けている。
【0017】
上記構成とすると、導体11からなる5回路を取り付けた後に回路を増やす場合において、追加する太物電線W1を電線挿入部13に押し込むことにより、電源回路を増設することができる。
【0018】
図3は第1実施形態の第1変形例を示し、1本の太物電線の代わりに、2本の細物電線である電線W2を電線挿入部13に挿入して回路の増設をしている。
【0019】
図4は第1実施形態の第2変形例を示し、フラットハーネス20には、絶縁樹脂12の一方側の幅方向の端縁12aに2の電線挿入部23、23’を備えた延在部24を一体成形で設けている。これら、2の電線挿入部23、23’の夫々に2本の太物電線を押し込んで取り付けることができる。
【0020】
図5は第1実施形態の第3変形例を示す。
フラットハーネス30は、絶縁樹脂12の左右両側端縁12a、12bから電線挿入部33a、33bをそれぞれ設けた延在部34a、34bを一体成形で設けている。
【0021】
図6は第1実施形態の第4変形例を示す。
フラットハーネス40は、絶縁樹脂12の一方側の幅方向の端縁12aに沿って設けた延在部44に、側面を開口した電線挿入部43を設けている。即ち、電線挿入部の向きを上方から側面に変えている。
【0022】
図7は第1実施形態の第5変形例を示す。
フラットハーネス50は、絶縁樹脂12の幅方向の端縁12aに沿って設ける延在部54の厚さを絶縁樹脂12の厚みと同一とし、該延在部54に電線挿入部53を設けている。この電線挿入部53には細物電線が挿入され、この状態で、延在部54がフラットハーネス50より突出しない構成とすることができる。
【0023】
図8及び図9は第2実施形態に係るフラットハーネス60を示す。
フラットハーネス60は、図8に示すように、複数の導体61の上下両面を、絶縁樹脂フィルム62、63でラミネートしているFFCあるいはFPCからなる。このフラットハーネス60には、別体で成形した電線挿入部65を有する延在部材66を、フラットハーネス60の一側の幅方向の端縁60aに沿って溶着あるいは接着して連結させている。
【0024】
フラットハーネス60に電線W1を挿入する場合は、図9に示すように、電線挿入部65における断面円形部65aの外面と接する開口部65bに電線W1を押し込み、断面円形部65aに電線Hを収容保持している。
【0025】
図10は第2実施形態の変形例を示す。
フラットハーネス70には一方側の幅方向の端縁70aに、電線挿入部分75を設けた延在部材76を長さ方向に部分的に溶着して連結している。このように部分的に設けると、必要箇所だけ電線Wを増設することができる。
【0026】
【発明の効果】
以上の説明より明らかなように、本発明によれば、フラットハーネスの幅方向の端縁に沿って電線挿入部を有する延在部を一体成形し、あるいは延在部材を溶着や接着して設けているため、回路の追加のある場合には上記電線挿入部に電線を押し込んで取り付けることで、容易に回路の追加を簡単に行うことができる。また、上記電線挿入部の大きさ、取り付ける箇所、あるいは延在部の長さを変えることで追加する電線の種類は配線長さに対応させることができる。
【図面の簡単な説明】
【図1】第1実施形態のフラットハーネスを示す一部断面斜視図である。
【図2】第1実施形態のフラットハーネスに電線を取り付けた状態を示す一部断面斜視図である。
【図3】第1実施形態の第1変形例を示す断面図である。
【図4】第1実施形態の第2変形例を示す一部断面斜視図である。
【図5】第1実施形態の第3変形例を示す一部断面斜視図である。
【図6】第1実施形態の第4変形例を示す一部断面斜視図である。
【図7】第1実施形態の第5変形例を示す一部断面斜視図である。
【図8】第2実施形態のフラットハーネスを示し、(A)は溶着前の一部断面斜視図、(B)は溶着後の一部断面斜視図である。
【図9】第2実施形態のフラットハーネスに電線を取り付けた状態を示し、(A)は一部断面斜視図、(B)は断面図である。
【図10】第2実施形態の変形例を示す一部断面斜視図である。
【図11】従来のフラットハーネスを示す一部断面斜視図である。
【符号の説明】
10、60 フラットハーネス
11、61 導体
12 絶縁樹脂
13 電線挿入部
13a 断面球形部
13a’開口部
14 延在部
62、63 絶縁樹脂フィルム
66 延在部材
W 電線
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a flat harness routed to an automobile, and more particularly, to enabling an additional wire to be connected to a flat harness when a circuit is added.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, flat harnesses have been used as wire harnesses in places where wiring harnesses are narrow and flat, such as automobile doors, roofs, trunk rooms, and seat lower portions.
As the flat harness, there are a flat harness in which a conductor with parallel wiring is continuously molded while being molded with an insulating resin, and a flat harness in which both surfaces of the conductor with parallel wiring are laminated with an insulating resin film.
[0003]
Japanese Patent Application Laid-Open No. Hei 5-62527 discloses a flat cable of this type which is capable of increasing the number of circuits. As shown in FIG. 11, a recess 1a is provided at one end in the width direction of the flat harness 1, and a recess 1a is provided at the other end. And a plurality of flat harnesses 1-1 and 1-2 are connected to each other.
[0004]
[Problems to be solved by the invention]
With the flat harness molded with the insulating resin and the flat harness laminated with the insulating resin film, a circuit cannot be added later. Conventionally, the number of circuits is increased by laminating a flat harness or the like.
In any case, such as when the flat harnesses are stacked and passed, or when the flat harness shown in FIG. 11 is continued in the width direction, the conductor in the flat harness becomes an additional conductor, so the allowable current amount Is the amount of current in the conductor, which is usually small. In a power supply circuit or the like that requires a large current circuit or a medium current circuit, there is a problem that even if the flat harness is increased, the required circuit cannot be added.
[0005]
The present invention has been made in view of the above-described problem, and has as its object to enable a circuit having a required current amount to be added to a flat harness.
[0006]
[Means for Solving the Problems]
In order to solve the above problems, the present invention first, in a flat harness that is continuously molded while molding a plurality of conductors with an insulating resin,
An extending portion having an electric wire insertion portion is provided by integral molding along at least one side widthwise insulation,
The flat wire harness is provided, wherein the wire insertion portion is formed of a concave portion opened on the outer surface and is configured to internally fit and hold a wire pushed through the opening.
[0007]
In the flat harness formed by molding, an extending portion having an electric wire insertion portion is provided by integral molding at the time of molding. In this way, if the flat harness is molded with the extension, if there is a new circuit, simply push the wire into the wire insertion part of the extension, and the flat harness will have the required amount of current. Wires can be easily attached.
[0008]
The wire insertion portion is configured to hold an electric wire by, for example, communicating a concave portion having a circular cross section with an insertion hole having a diameter smaller than the diameter of the electric wire, opening the insertion hole to the outer surface, and pushing the electric wire into the hole from the insertion hole. And Therefore, if the diameter of the circular cross section is set in advance according to the diameter of the wire to be inserted, the wire to be inserted can be held without rattling.
Further, the wire insertion portion may be provided on one end of the flat harness in the width direction, or may be provided on both sides. Furthermore, a plurality of the wire insertion portions may be provided side by side on one end.
[0009]
The conductor molded inside the flat harness may be any of a thin conductor punched out of copper foil, a square conductor, a single core wire, and the like.
[0010]
Secondly, the present invention provides a flat harness in which upper and lower surfaces of a plurality of conductors are laminated with an insulating film.
Along the edge in the width direction of at least one side, an extending member having an electric wire insertion portion is welded or bonded and connected,
The flat wire harness is provided, wherein the wire insertion portion is formed of a concave portion opened on the outer surface and is configured to internally fit and hold a wire pushed through the opening.
[0011]
When a plurality of conductors made of FFC, FPC and the like are laminated on both surfaces with an insulating resin film, an extension cannot be provided by integral molding with the molding resin as described above. The extended member formed in advance is welded or bonded along at least one side edge in the width direction of the flat harness.
As described above, since the extending portion having the wire insertion portion is welded and attached to the flat harness, there is an advantage that an extending portion of a required length can be provided at a required position in the length direction.
[0012]
Also, in each case, the wire insertion portion is sized so that one thick wire or one to three thin wires can be inserted according to the wires to be added to the flat harness, and the wire insertion portion is one. The extension part or the extension member in which a plurality or a plurality of the extension parts are arranged in parallel and further provided with the electric wire insertion part are provided at the entire length or at a required portion along the edge in the width direction.
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 and 2 show a flat harness 10 according to the first embodiment.
As shown in FIG. 1, the flat harness 10 is formed by continuously forming a plurality of conductors 11 while molding them with an insulating resin 12, and has an extension having an electric wire insertion portion 13 along a left edge 12 a in a width direction. The part 14 is provided by integral molding. In the first embodiment, five conductors 11 are used as a flat harness having five circuits.
[0014]
The extension portion 14 is provided continuously over the entire length along the edge 12 a in the width direction of the insulating resin 12, and the wire insertion portion 13 is recessed in the extension portion 13. The wire insertion portion 13 is formed of a circular section 13a and a concave portion in which a part of the circular section 13a is continuous with a narrow insertion port 13b, and the insertion port 13b is opened to the outer surface.
[0015]
In the first embodiment, in order to increase the thickness of the thick electric wire W1, the thickness of the extending portion 14 is made larger than the thickness of the insulating resin 12, and the cross-sectional area of the circular section 13a of the electric wire insertion portion 13 is made larger.
[0016]
When one thick electric wire W1 is inserted into the electric wire insertion portion 13, as shown in FIG. 2, the insertion opening 13b is inserted by pushing the electric wire W1 and the electric wire W is inserted into the circular section 13a by pressing.
[0017]
With the above configuration, in a case where the number of circuits is increased after the five circuits including the conductors 11 are attached, the power supply circuit can be added by pushing the thick electric wire W1 to be added into the electric wire insertion portion 13.
[0018]
FIG. 3 shows a first modification of the first embodiment, in which, instead of one thick electric wire, two thin electric wires W2 are inserted into the electric wire insertion portion 13 to add a circuit. I have.
[0019]
FIG. 4 shows a second modified example of the first embodiment. In the flat harness 20, an extension portion having two wire insertion portions 23 and 23 ′ at one widthwise edge 12 a of one side of the insulating resin 12. 24 are provided by integral molding. Two thick electric wires can be pushed into each of the two electric wire insertion portions 23 and 23 'and attached.
[0020]
FIG. 5 shows a third modification of the first embodiment.
The flat harness 30 is provided with extending portions 34a and 34b provided with wire insertion portions 33a and 33b, respectively, from the left and right side edges 12a and 12b of the insulating resin 12 by integral molding.
[0021]
FIG. 6 shows a fourth modification of the first embodiment.
The flat harness 40 is provided with an electric wire insertion portion 43 having an open side surface at an extending portion 44 provided along one edge 12a of the insulating resin 12 in one width direction. That is, the direction of the wire insertion portion is changed from the upper side to the side.
[0022]
FIG. 7 shows a fifth modification of the first embodiment.
In the flat harness 50, the thickness of the extension portion 54 provided along the edge 12a in the width direction of the insulating resin 12 is the same as the thickness of the insulating resin 12, and the wire insertion portion 53 is provided in the extension portion 54. . A thin electric wire is inserted into the electric wire insertion portion 53, and in this state, the extension portion 54 can be configured not to protrude from the flat harness 50.
[0023]
8 and 9 show a flat harness 60 according to the second embodiment.
As shown in FIG. 8, the flat harness 60 is made of FFC or FPC in which the upper and lower surfaces of a plurality of conductors 61 are laminated with insulating resin films 62 and 63. The flat harness 60 is connected to an extending member 66 having a separately formed wire insertion portion 65 by welding or bonding along one side edge 60a of the flat harness 60 in the width direction.
[0024]
When inserting the electric wire W1 into the flat harness 60, as shown in FIG. 9, the electric wire W1 is pushed into an opening 65b in contact with the outer surface of the circular section 65a in the electric wire insertion portion 65, and the electric wire H is housed in the circular section 65a. keeping.
[0025]
FIG. 10 shows a modification of the second embodiment.
An extending member 76 provided with an electric wire insertion portion 75 is connected to the flat harness 70 by being partially welded in the length direction to an edge 70a in the width direction on one side. When the wires W are partially provided in this manner, the electric wires W can be added only at necessary places.
[0026]
【The invention's effect】
As is clear from the above description, according to the present invention, the extension having the wire insertion portion is integrally formed along the widthwise edge of the flat harness, or the extension is provided by welding or bonding. Therefore, in the case where a circuit is added, the circuit can be easily added by pushing the electric wire into the electric wire insertion portion and attaching the electric wire. Further, by changing the size of the wire insertion portion, the place to be attached, or the length of the extending portion, the type of the wire to be added can correspond to the wiring length.
[Brief description of the drawings]
FIG. 1 is a partially sectional perspective view showing a flat harness according to a first embodiment.
FIG. 2 is a partially sectional perspective view showing a state where an electric wire is attached to the flat harness of the first embodiment.
FIG. 3 is a sectional view showing a first modification of the first embodiment.
FIG. 4 is a partially sectional perspective view showing a second modification of the first embodiment.
FIG. 5 is a partially sectional perspective view showing a third modification of the first embodiment.
FIG. 6 is a partially sectional perspective view showing a fourth modification of the first embodiment.
FIG. 7 is a partially sectional perspective view showing a fifth modification of the first embodiment.
8A and 8B show a flat harness according to a second embodiment, wherein FIG. 8A is a partial cross-sectional perspective view before welding, and FIG. 8B is a partial cross-sectional perspective view after welding.
9A and 9B show a state where an electric wire is attached to the flat harness according to the second embodiment, wherein FIG. 9A is a partially sectional perspective view, and FIG. 9B is a sectional view.
FIG. 10 is a partially sectional perspective view showing a modification of the second embodiment.
FIG. 11 is a partially sectional perspective view showing a conventional flat harness.
[Explanation of symbols]
10, 60 Flat harness 11, 61 Conductor 12 Insulating resin 13 Wire insertion part 13a Spherical section 13a 'opening 14 Extension part 62, 63 Insulating resin film 66 Extension member W Electric wire

Claims (3)

複数の導体を絶縁樹脂でモールドしながら連続成形しているフラットハーネスにおいて、
少なくとも一方側の幅方向の絶縁に沿って電線挿入部を有する延在部を一体成形で設け、
上記電線挿入部は、外面に開口させた凹部からなり、開口を通して押し込まれる電線を内嵌保持する構成としていることを特徴とするフラットハーネス。
In a flat harness that is continuously molded while molding multiple conductors with insulating resin,
An extending portion having an electric wire insertion portion is provided by integral molding along at least one side widthwise insulation,
The flat harness, wherein the electric wire insertion portion is configured to have a concave portion opened on an outer surface and to internally fit and hold an electric wire pushed through the opening.
複数の導体の上下両面を絶縁フィルムでラミネートしているフラットハーネスにおいて、
少なくとも一方側の幅方向の端縁に沿って、電線挿入部を有する延在部材を溶着あるいは接着して連結し、
上記電線挿入部は、外面に開口させた凹部からなり、開口を通して押し込まれる電線を内嵌保持する構成としていることを特徴とするフラットハーネス。
In a flat harness in which the upper and lower surfaces of multiple conductors are laminated with an insulating film,
Along the edge in the width direction of at least one side, an extending member having an electric wire insertion portion is welded or bonded and connected,
The flat harness, wherein the electric wire insertion portion is configured to have a concave portion opened on an outer surface and to internally fit and hold an electric wire pushed through the opening.
上記電線挿入部を太物電線を1本または細物電線を1〜3本挿入できる大きさとし、かつ、該電線挿入部を1個または複数個を並列して設け、さらに、該電線挿入部を設けた上記延在部または延在部材は、幅方向の端縁の沿って全長または所要部分に設けている請求項1または請求項2に記載のフラットハーネス。The wire insertion part is large enough to insert one thick wire or one to three thin wires, and one or more wire insertion parts are provided in parallel. The flat harness according to claim 1, wherein the provided extending portion or the extending member is provided at an entire length or a required portion along an edge in the width direction.
JP2001176908A 2001-06-12 2001-06-12 Flat harness Expired - Fee Related JP3562489B2 (en)

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Application Number Priority Date Filing Date Title
JP2001176908A JP3562489B2 (en) 2001-06-12 2001-06-12 Flat harness

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JP2002367439A JP2002367439A (en) 2002-12-20
JP3562489B2 true JP3562489B2 (en) 2004-09-08

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Publication number Priority date Publication date Assignee Title
JP5261206B2 (en) * 2009-01-15 2013-08-14 パナソニック株式会社 Electric razor
JP5784901B2 (en) * 2010-12-17 2015-09-24 矢崎総業株式会社 Wire harness
EP3497704B1 (en) * 2016-08-11 2023-06-28 Lisa Dräxlmaier GmbH Flat electric conductor arrangement and method for the production thereof
JP7059809B2 (en) * 2018-05-30 2022-04-26 日立金属株式会社 Branch holder and wire harness
JP6846393B2 (en) 2018-09-25 2021-03-24 矢崎総業株式会社 Wire Harness

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