JP5255987B2 - Wire insert for corrugated tube - Google Patents

Wire insert for corrugated tube Download PDF

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JP5255987B2
JP5255987B2 JP2008271004A JP2008271004A JP5255987B2 JP 5255987 B2 JP5255987 B2 JP 5255987B2 JP 2008271004 A JP2008271004 A JP 2008271004A JP 2008271004 A JP2008271004 A JP 2008271004A JP 5255987 B2 JP5255987 B2 JP 5255987B2
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corrugated tube
wire
electric wire
wires
electric
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JP2010104082A (en
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邦比呂 村松
省吾 松岡
琢 高塚
博行 宇賀神
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Yazaki Corp
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Yazaki Corp
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Description

本発明は、筒状のコルゲートチューブに電線又は電線束を挿通させるコルゲートチューブ用電線挿通具に関する。   The present invention relates to an electric wire insertion tool for a corrugated tube that allows an electric wire or an electric wire bundle to pass through a cylindrical corrugated tube.

下記の特許文献１に記載のコルゲートチューブは、全長にわたって周壁に設けられたスリットから、電線や電線束をコルゲートチューブ内に収容することで、コルゲートチューブへの電線の挿通作業の簡略化が図られている。   The corrugated tube described in Patent Document 1 below simplifies the work of inserting the electric wire into the corrugated tube by accommodating the electric wire or the bundle of electric wires in the corrugated tube from the slit provided on the peripheral wall over the entire length. ing.

実開平５−１５６１１号公報Japanese Utility Model Publication No. 5-15611

しかしながら、高い防水性が求められる箇所へ配索する場合に、テープ等の保護部材をコルゲートチューブに巻き付ける作業が煩雑であった。   However, when wiring to a place where high waterproofness is required, the work of winding a protective member such as a tape around the corrugated tube has been complicated.

本発明は斯かる課題に鑑みてなされたもので、上記課題を解決できるコルゲートチューブ用電線挿通具を提供することを目的とする。   This invention is made | formed in view of such a subject, and it aims at providing the electric wire penetration tool for corrugated tubes which can solve the said subject.

このような目的を達成するために、本発明のコルゲートチューブ用電線挿通具は、筒状のコルゲートチューブに電線又は電線束を挿通させるコルゲートチューブ用電線挿通具であって、前記電線又は電線束の先端が挿入される挿入口を後端部に開口させた有底筒状の挿入部と、該電線又は電線束を収容する収容部とを有し、前記挿入部の先端部を先端にかけて縮幅させてなり、前記コルゲートチューブ内で前記挿入部をガイドするガイド部とを備え、前記収容部は、該収容部の上内面及び下内面を内側に膨出させ、異なるサイズの前記電線又は電線束を並列に収容可能に区画されており、前記挿入部は、前記挿入口を前記収容部に合わせて複数並列に並べて開口させていることを特徴とする。
また、本発明は、前記収容部は、長円形の断面形状の外形を有していることを特徴とする。
また、本発明は、前記挿入部の後端面の下部からは、前記挿入口から前記挿入部に挿入された前記電線又は電線束を下側から支持する受部が、後方に延びており、前記受部は平坦な底面を有することを特徴とする。 In order to achieve such an object, the wire insertion tool for a corrugated tube of the present invention is a wire insertion tool for a corrugated tube that allows a wire or a wire bundle to pass through a cylindrical corrugated tube, It has a bottomed cylindrical insertion part with an insertion port into which the tip is inserted opened at the rear end part, and a housing part that accommodates the electric wire or wire bundle, and the width of the insertion part is reduced toward the tip. A guide portion that guides the insertion portion in the corrugated tube , and the housing portion bulges the upper inner surface and the lower inner surface of the housing portion to the inside, and the electric wires or wire bundles of different sizes Can be accommodated in parallel, and the insertion part is characterized in that a plurality of the insertion openings are aligned and opened in accordance with the accommodation part .
Moreover, the present invention is characterized in that the housing portion has an oval cross-sectional outer shape .
Further, in the present invention, from the lower part of the rear end surface of the insertion part, a receiving part that supports the wire or the wire bundle inserted into the insertion part from the insertion port extends from the lower side , The receiving part has a flat bottom surface .

本発明によれば、電線挿通具に先端を挿入した電線又は電線束をコルゲートチューブ内に送り込むことで、電線又は電線束をコルゲートチューブに容易に挿通させられるので、高い防水性を求められる箇所へのコルゲートチューブを用いた配索作業を簡略化できる。   According to the present invention, since the electric wire or the electric wire bundle with the tip inserted into the electric wire insertion tool is fed into the corrugated tube, the electric wire or the electric wire bundle can be easily inserted into the corrugated tube. The wiring work using the corrugated tube can be simplified.

以下、図面を参照して、本発明の最良の形態を説明する。
図１は、本実施形態のコルゲートチューブ用電線挿通具１を示す図であり、（ａ）は平面図，（ｂ）は右側面図，（ｃ）はコルゲートチューブＫに挿入された状態での断面図である。なお、以下の説明で用いる上下，前後，及び左右の各方向は説明に用いる各図に示している。 Hereinafter, the best mode of the present invention will be described with reference to the drawings.
1A and 1B are views showing a corrugated tube wire insertion tool 1 according to the present embodiment, where FIG. 1A is a plan view, FIG. 1B is a right side view, and FIG. 1C is a state in which the corrugated tube K is inserted. It is sectional drawing. In addition, each direction of the up-down, front-back, left-right used in the following description is shown in each figure used for description.

電線挿通具１は、ステンレス等の金属材料から形成されており、図１に示すように、電線Ｃ１，Ｃ２を収容する収容部１１と、コルゲートチューブＫ内で収容部１１をガイドするガイド部１３と、収容部１１に収容された電線Ｃ１，Ｃ２を下側から支持する受部１２とを備えている。なお、電線挿通具１は樹脂製でもよい。収容部１１は、電線Ｃ１，Ｃ２を挿通させるコルゲートチューブＫの開口形状とほぼ等しい断面形状の外形を有した有底筒状を呈している。本実施形態では、コルゲートチューブＫが上下の高さ方向を左右の幅方向に比べて幅広に形成された長円形の開口形状を有していることから、収容部１１は、コルゲートチューブＫの内径よりやや小さな外径を有した長円形の断面形状の外形を有している。   The wire insertion tool 1 is made of a metal material such as stainless steel. As shown in FIG. 1, a housing portion 11 that houses the wires C1 and C2 and a guide portion 13 that guides the housing portion 11 in the corrugated tube K. And the receiving part 12 which supports the electric wires C1 and C2 accommodated in the accommodating part 11 from the lower side is provided. The wire insertion tool 1 may be made of resin. The accommodating portion 11 has a bottomed cylindrical shape having an outer shape having a cross-sectional shape substantially equal to the opening shape of the corrugated tube K through which the electric wires C1 and C2 are inserted. In this embodiment, since the corrugated tube K has an oval opening shape in which the upper and lower height directions are formed wider than the left and right width directions, the accommodating portion 11 has an inner diameter of the corrugated tube K. It has an oval cross-sectional outer shape with a slightly smaller outer diameter.

収容部１１の上内面及び下内面の互いに対向する位置には、それぞれ上内面及び下内面を収容部１１の内側に膨出させて構成された膨出部１２１が設けられている。収容部１１は、両膨出部１２１によって電線Ｃ１を収容する収容室１１１と、電線Ｃ２を収容する収容室１１２とに区画されている。収容室１１１，１１２は、電線Ｃ１，Ｃ２の断面形状に合わせた内面形状を有しており、電線Ｃ１，Ｃ２の挿入口を左右に並べている。   At the positions of the upper inner surface and the lower inner surface facing each other in the housing portion 11, a bulging portion 121 configured by bulging the upper inner surface and the lower inner surface inside the housing portion 11 is provided. The accommodating portion 11 is divided into a accommodating chamber 111 that accommodates the electric wire C1 and an accommodating chamber 112 that accommodates the electric wire C2 by both bulging portions 121. The storage chambers 111 and 112 have an inner surface shape that matches the cross-sectional shape of the electric wires C1 and C2, and the insertion ports for the electric wires C1 and C2 are arranged on the left and right.

受部１２は、収容部１１の下部と等しい断面形状を有して、収容部１１の後面の下部から後方に延びている。ガイド部１３は、収容部１１の先端部を先端にかけて縮幅させた外観形状を有している。本実施形態では、ガイド部１３の上面１３１ａ及び下面１３１ｂが、また、左面１３２ａ及び右面１３２ｂが、先端側にかけてそれぞれ互いが近づく向きに傾斜した平坦面となっており、略矩形の断面形状を有して前方に延びている。   The receiving part 12 has the same cross-sectional shape as the lower part of the accommodating part 11 and extends rearward from the lower part of the rear surface of the accommodating part 11. The guide portion 13 has an external shape in which the distal end portion of the accommodating portion 11 is reduced in width toward the distal end. In the present embodiment, the upper surface 131a and the lower surface 131b of the guide portion 13 and the left surface 132a and the right surface 132b are flat surfaces that are inclined toward each other toward the distal end side, and have a substantially rectangular cross-sectional shape. And extend forward.

収容部１１の後端に開口した挿入口から、収容室１１１，１１２に電線Ｃ１，Ｃ２の先端を挿入された電線挿通具１は、ガイド部１３を備えた先端側からコルゲートチューブＫに挿入されると、コルゲートチューブＫ内をガイド部１３に案内されて移動する。具体的には、電線Ｃ１，Ｃ２が屈曲し、又は、コルゲートチューブＫが湾曲している場合には、図２（ａ）に示すようにガイド部１３の左面１３２ａ若しくは右面１３２ｂをコルゲートチューブＫの内面に近接させたり、図２（ｂ）に示すようにガイド部１３の上面１３１ａ若しくは下面１３１ｂをコルゲートチューブＫの内面に近接させて、コルゲートチューブＫの内面と電線挿通具１との引っかかりを抑えることで、コルゲートチューブＫ内で電線挿通具１を移動させることができる。   The wire insertion tool 1 in which the distal ends of the electric wires C1 and C2 are inserted into the accommodating chambers 111 and 112 from the insertion opening opened at the rear end of the accommodating portion 11 is inserted into the corrugated tube K from the distal end side including the guide portion 13. As a result, the corrugated tube K moves while being guided by the guide portion 13. Specifically, when the electric wires C1 and C2 are bent or the corrugated tube K is curved, the left surface 132a or the right surface 132b of the guide portion 13 is connected to the corrugated tube K as shown in FIG. 2, the upper surface 131 a or the lower surface 131 b of the guide portion 13 is brought close to the inner surface of the corrugated tube K to prevent the corrugated tube K from being caught by the wire insertion tool 1. Thus, the wire insertion tool 1 can be moved in the corrugated tube K.

次に、電線挿通具１を用いて電線Ｃ１，Ｃ２をコルゲートチューブＫに挿通させる電線挿通装置２について説明する。図３は、電線挿通装置２の構成の概略を示す模式図であり、（ａ）は平面図，（ｂ）は右側面図である。   Next, the electric wire insertion device 2 for inserting the electric wires C1 and C2 through the corrugated tube K using the electric wire insertion tool 1 will be described. 3A and 3B are schematic views showing an outline of the configuration of the wire insertion device 2, wherein FIG. 3A is a plan view and FIG. 3B is a right side view.

電線挿通装置２は、電線Ｃ１，Ｃ２を挿通するコルゲートチューブＫの載置される載置台２０と、電線挿通具１を検知する検知部２１と、電線Ｃ１，Ｃ２をコルゲートチューブＫに送り出す電線自動送り機２２と、電線自動送り機２２に送り出される電線Ｃ１，Ｃ２を巻回された電線ドラム２３とを備えている。検知部２１は、載置台２０の左右の両側に設けられた光電センサーであり、載置台２０上の電線挿通具１を検知する。   The wire insertion device 2 includes a mounting table 20 on which a corrugated tube K for inserting the wires C1 and C2 is placed, a detection unit 21 that detects the wire insertion tool 1, and an automatic wire feeder that sends the wires C1 and C2 to the corrugated tube K. A feeder 22 and a wire drum 23 around which wires C1 and C2 fed to the wire automatic feeder 22 are wound are provided. The detection unit 21 is a photoelectric sensor provided on both the left and right sides of the mounting table 20, and detects the wire insertion tool 1 on the mounting table 20.

電線ドラム２３に巻回された電線Ｃ１，Ｃ２を、載置台２０上に載置されたコルゲートチューブＫ内に電線自動送り機２２が送り出すと、電線Ｃ１，Ｃ２の先端を収容部１１に収容した電線挿通具１が、電線Ｃ１，Ｃ２に押し出されてコルゲートチューブＫ内を移動する。電線挿通具１がコルゲートチューブＫを通過して、検知部２１に検知されると、電線自動送り機２２による電線Ｃ１，Ｃ２の送り出しが停止される。このようにして、電線挿通装置２による電線Ｃ１，Ｃ２のコルゲートチューブＫへの挿通作業が行われる。   When the automatic wire feeder 22 sends out the electric wires C1 and C2 wound around the electric wire drum 23 into the corrugated tube K placed on the mounting table 20, the tips of the electric wires C1 and C2 are accommodated in the accommodating portion 11. The wire insertion tool 1 is pushed out by the wires C1 and C2 and moves in the corrugated tube K. When the wire insertion tool 1 passes through the corrugated tube K and is detected by the detection unit 21, the feeding of the wires C1 and C2 by the wire automatic feeder 22 is stopped. In this way, the operation of inserting the wires C1, C2 into the corrugated tube K by the wire insertion device 2 is performed.

以上説明したように、本実施形態によれば、電線挿通具１の収容部１１に先端を挿入した電線Ｃ１，Ｃ２を、コルゲートチューブＫ内に送り込むことで、電線Ｃ１，Ｃ２の先端とコルゲートチューブＫの内面との接触を避け、コルゲートチューブＫの内面や電線Ｃ１，Ｃ２を傷つけることなく、電線Ｃ１，Ｃ２をコルゲートチューブＫ内に挿通させることができる。このため、スリットを設けることなく電線や電線束をコルゲートチューブＫに容易に挿通させられる。従って、高い防水性が求められる箇所へのコルゲートチューブＫを用いた配索作業を簡略化できる。   As described above, according to the present embodiment, the tips of the wires C1 and C2 and the corrugated tube are fed into the corrugated tube K by feeding the wires C1 and C2 having the tips inserted into the housing portion 11 of the wire insertion tool 1 into the corrugated tube K. The wires C1 and C2 can be inserted into the corrugated tube K without damaging the inner surface of the corrugated tube K and the wires C1 and C2 while avoiding contact with the inner surface of K. For this reason, an electric wire and an electric wire bundle can be easily inserted in the corrugated tube K without providing a slit. Therefore, the wiring work using the corrugated tube K to a place where high waterproofness is required can be simplified.

また、本実施形態によれば、左右に並んで開口した収容室１１１，１１２の挿入口に別個の電線Ｃ１，Ｃ２の先端を挿入することで、電線Ｃ１，Ｃ２をまとめてコルゲートチューブＫに挿通させることができる。   Moreover, according to this embodiment, the electric wires C1 and C2 are collectively inserted into the corrugated tube K by inserting the distal ends of the separate electric wires C1 and C2 into the insertion ports of the storage chambers 111 and 112 opened side by side. Can be made.

また、本実施形態によれば、収容部１１に挿入された電線Ｃ１，Ｃ２を下側から受部１２で支持して、自重で収容部１１から垂れ下がった電線Ｃ１，Ｃ２の先端部とコルゲートチューブＫの内面との接触を抑えることで、電線挿通具１を電線Ｃ１，Ｃ２と一体に移動させやすくなり、収容部１１からの電線Ｃ１，Ｃ２の脱落を防止できる。また、収容部１１に挿入される電線Ｃ１，Ｃ２を受部１２でガイドすることで、電線Ｃ１，Ｃ２の収容部１１への挿入作業を簡略化できる。   Moreover, according to this embodiment, the electric wire C1 and C2 inserted in the accommodating part 11 is supported by the receiving part 12 from the lower side, and the front-end | tip part of the electric wires C1 and C2 hung down from the accommodating part 11 with its own weight, and a corrugated tube By suppressing the contact with the inner surface of K, the wire insertion tool 1 can be easily moved together with the wires C1 and C2, and the wires C1 and C2 from the accommodating portion 11 can be prevented from falling off. Moreover, the operation of inserting the wires C1 and C2 into the housing portion 11 can be simplified by guiding the wires C1 and C2 inserted into the housing portion 11 with the receiving portion 12.

また、本実施形態によれば、ステンレス製の電線挿通具１を検知部２１で検知し、その検知結果に基づき電線Ｃ１，Ｃ２の先端位置を特定することで、コルゲートチューブＫを電線Ｃ１，Ｃ２の先端が通過したことを電線自動送り機２２が確認できることから、コルゲートチューブＫへの電線Ｃ１，Ｃ２の挿通作業を簡略化できる。   Moreover, according to this embodiment, the stainless steel electric wire insertion tool 1 is detected by the detection part 21, and the tip position of the electric wires C1 and C2 is specified based on the detection result, whereby the corrugated tube K is connected to the electric wires C1 and C2. Since the automatic wire feeder 22 can confirm that the tip of the wire has passed, the operation of inserting the wires C1 and C2 into the corrugated tube K can be simplified.

また、本実施形態によれば、収容部１１が電線Ｃ１，Ｃ２を挿通させるコルゲートチューブＫの開口形状とほぼ等しい断面形状の外形を有しており、コルゲートチューブＫとのクリアランスを最小限に抑えられることから、コルゲートチューブＫ内の電線挿通具１が、進行方向に対して上下及び左右方向に傾くのを抑えることができる。   Moreover, according to this embodiment, the accommodating part 11 has the external shape of the cross-sectional shape substantially equivalent to the opening shape of the corrugated tube K which lets the electric wires C1 and C2 penetrate, and the clearance with the corrugated tube K is minimized. Therefore, the wire insertion tool 1 in the corrugated tube K can be prevented from being inclined in the vertical and horizontal directions with respect to the traveling direction.

なお、収容部１１に収容する電線又は電線束の数量は、コルゲートチューブＫに挿通させる電線又は電線束の数量等に応じて適宜変更できる。例えば、収容部１１が収容室１１１のみを備え、１本の電線のみを収容できる構成を有していてもよい。   In addition, the quantity of the electric wire or electric wire bundle accommodated in the accommodating part 11 can be suitably changed according to the quantity etc. of the electric wire or electric wire bundle penetrated by the corrugated tube K. For example, the accommodating part 11 may include only the accommodating chamber 111 and have a configuration that can accommodate only one electric wire.

また、受部１２は必ずしも備える必要はない。また、ガイド部１３の上下，左右の各面１３１ａ，１３１ｂ，１３２ａ，１３２ｂは、平坦に形成されている必要はなく、例えば、曲面から形成されていてもよい。また、ガイド部１３の上下，左右の各面は、上記実施形態のように向かい合う面とガイド部１３の軸心を挟んで対象となる形状に形成する必要はなく、例えば、図４に示すように、上面１３１ａと下面１３１ｂとの長さが異なっていてもよい。   Moreover, the receiving part 12 does not necessarily need to be provided. Further, the upper, lower, left and right surfaces 131a, 131b, 132a, and 132b of the guide portion 13 do not need to be formed flat, and may be formed from curved surfaces, for example. Further, the upper, lower, left and right surfaces of the guide portion 13 do not need to be formed in a target shape with the opposite surface and the axis of the guide portion 13 sandwiched as in the above embodiment, for example, as shown in FIG. Further, the lengths of the upper surface 131a and the lower surface 131b may be different.

また、上記実施形態では、受部１２にも膨出部１２１が設けられている場合について説明したが、受部１２には膨出部１２１を備えない構成としてもよい。また、収容部１１の後面に開口した挿入口の配置態様は任意であり、挿入口の数量や大きさ等に応じて定めることができる。   Moreover, although the said embodiment demonstrated the case where the bulging part 121 was provided also in the receiving part 12, it is good also as a structure which is not provided with the bulging part 121 in the receiving part 12. FIG. Moreover, the arrangement | positioning aspect of the insertion port opened on the rear surface of the accommodating part 11 is arbitrary, and can be defined according to the quantity, size, etc. of an insertion port.

また、上記実施形態では、収容室１１１，１１２が一対の膨出部１２１で区画されており、両者が連通している場合について説明した。しかしながら、収容室１１１，１１２が隔壁で区画されて、両者が連通していない構成としてもよい。また、挿入口のみが隔てられており、収容室１１１，１１２が内部で連通していてもよい。   In the above-described embodiment, the case where the storage chambers 111 and 112 are partitioned by the pair of bulging portions 121 and the both communicate with each other has been described. However, the storage chambers 111 and 112 may be partitioned by a partition wall so that they do not communicate with each other. Moreover, only the insertion port is separated, and the storage chambers 111 and 112 may communicate with each other inside.

本発明の一実施形態の電線挿通具を示す図であり、（ａ）は平面図，（ｂ）は右側面図，（ｃ）はコルゲートチューブに挿入された状態での断面図である。It is a figure which shows the electric wire penetration tool of one Embodiment of this invention, (a) is a top view, (b) is a right view, (c) is sectional drawing in the state inserted in the corrugated tube. コルゲートチューブ内での電線挿通具を示す図であり、（ａ）は平面図，（ｂ）は右側面図である。It is a figure which shows the electric wire penetration tool in a corrugated tube, (a) is a top view, (b) is a right view. 電線挿通装置の構成の概略を示す模式図であり、（ａ）は平面図，（ｂ）は右側面図である。It is a schematic diagram which shows the outline of a structure of an electric wire insertion apparatus, (a) is a top view, (b) is a right view. 電線挿通装置の構成の他の例を示す右側面図である。It is a right view which shows the other example of a structure of an electric wire penetration apparatus.

符号の説明Explanation of symbols

１ 電線挿通具
１１ 収容部
１１１，１１２ 収容室
１３ ガイド部
Ｃ１，Ｃ２ 電線
１２ 受部
１２１ 膨出部
１３１ａ 上面
１３１ｂ 下面
１３２ａ 左面
１３２ｂ 右面
２ 電線挿通装置
２０ 載置台
２１ 検知部
２２ 電線自動送り機
２３ 電線ドラム DESCRIPTION OF SYMBOLS 1 Electric wire insertion tool 11 Housing | casing part 111,112 Storage chamber 13 Guide part C1, C2 Electric wire 12 Receiving part 121 Swelling part 131a Upper surface 131b Lower surface 132a Left surface 132b Right surface 2 Electric wire insertion apparatus 20 Mounting base 21 Detection part 22 Electric wire automatic feeder 23 Electric wire drum

Claims (3)

筒状のコルゲートチューブに電線又は電線束を挿通させるコルゲートチューブ用電線挿通具であって、
前記電線又は電線束の先端が挿入される挿入口を後端部に開口させた有底筒状の挿入部と、
該電線又は電線束を収容する収容部とを有し、
前記挿入部の先端部を先端にかけて縮幅させてなり、前記コルゲートチューブ内で前記挿入部をガイドするガイド部とを備え、
前記収容部は、該収容部の上内面及び下内面を内側に膨出させ、異なるサイズの前記電線又は電線束を並列に収容可能に区画されており、
前記挿入部は、前記挿入口を前記収容部に合わせて複数並列に並べて開口させていることを特徴とするコルゲートチューブ用電線挿通具。 A corrugated tube wire insertion tool for inserting an electric wire or wire bundle into a tubular corrugated tube,
A bottomed cylindrical insertion part having an insertion port into which a leading end of the electric wire or electric wire bundle is inserted is opened at a rear end part;
A housing portion for housing the wire or the bundle of wires,
The distal end portion of the insertion portion is reduced in width toward the distal end, and includes a guide portion that guides the insertion portion in the corrugated tube ,
The accommodating portion is divided so that the upper inner surface and the lower inner surface of the accommodating portion bulge inwardly, and the electric wires or electric wire bundles of different sizes can be accommodated in parallel.
The corrugated tube wire insertion tool , wherein the insertion portion has a plurality of the insertion openings arranged in parallel in accordance with the accommodation portion and opened . 前記収容部は、長円形の断面形状の外形を有していることを特徴とする請求項１に記載のコルゲートチューブ用電線挿通具。 The corrugated tube wire insertion tool according to claim 1, wherein the housing portion has an oval cross-sectional outer shape . 前記挿入部の後端面の下部からは、前記挿入口から前記挿入部に挿入された前記電線又は電線束を下側から支持する受部が、後方に延びており、
前記受部は平坦な底面を有することを特徴とする請求項１又は２に記載のコルゲートチューブ用電線挿通具。 From the lower part of the rear end surface of the insertion part, a receiving part that supports the wire or the wire bundle inserted into the insertion part from the insertion port extends from the lower side , and
The corrugated tube wire insertion tool according to claim 1 or 2, wherein the receiving portion has a flat bottom surface .
JP2008271004A 2008-10-21 2008-10-21 Wire insert for corrugated tube Active JP5255987B2 (en)

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