JPH08326981A - Manufacture of electric fusion coupling - Google Patents
Manufacture of electric fusion couplingInfo
- Publication number
- JPH08326981A JPH08326981A JP7131852A JP13185295A JPH08326981A JP H08326981 A JPH08326981 A JP H08326981A JP 7131852 A JP7131852 A JP 7131852A JP 13185295 A JP13185295 A JP 13185295A JP H08326981 A JPH08326981 A JP H08326981A
- Authority
- JP
- Japan
- Prior art keywords
- core
- cores
- conductive wire
- connecting jig
- electric fusion
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
- B29D23/003—Pipe joints, e.g. straight joints
- B29D23/005—Pipe joints, e.g. straight joints provided with electrical wiring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
- B29D23/003—Pipe joints, e.g. straight joints
- B29D23/008—T-joints
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Branch Pipes, Bends, And The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、合成樹脂製のガス管や
上下水道管等の曲り部に使用され、一般にエルボと呼ば
れる、例えばＬ字形状のような２軸の電気融着継手の製
造方法に関し、特に金型のコアに導電線を巻き付ける導
電線巻付工程に特徴があるものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used for manufacturing bent pipes such as gas pipes and water and sewer pipes made of synthetic resin, and is generally called an elbow, for example, for manufacturing an L-shaped biaxial electric fusion joint. With regard to the method, it is particularly characterized by the step of winding the conductive wire around the core of the mold.
【０００２】[0002]
【従来の技術】電気融着継手の製造方法には、特開平４
−１８５９９３号公報に示すように、導電線を巻き付け
たコアを外型に嵌め込んで射出成形を行うといった方法
がある。2. Description of the Related Art A method for manufacturing an electric fusion splicing joint is disclosed in Japanese Patent Laid-Open No.
As disclosed in Japanese Patent No. 185993, there is a method in which a core around which a conductive wire is wound is fitted into an outer mold and injection molding is performed.
【０００３】そこで、従来この製造方法により、一般に
エルボと呼ばれるＬ字形状の電気融着継手を製造する場
合、分割可能になされた第一コアと第二コアの二つのコ
アをＬ字形状に結合させてコア本体を形成させておき、
導電線巻き付け工程において、分割状態の第一、第二両
コアのそれぞれに導電線を巻き付け、その後、第一、第
二両コアを結合してコア本体を形成すると共に、第一、
第二両コアに巻き付けられた導電線を接続していた。Therefore, when an L-shaped electric fusion joint generally called an elbow is manufactured by this manufacturing method, two cores, a separable first core and a second core, are connected to each other in an L-shape. Let the core body be formed,
In the conductive wire winding step, the conductive wire is wound around each of the divided first and second cores, and then the first and second cores are joined to form a core body, and first,
The conductive wire wound around the second core was connected.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、このよ
うな従来の方法では、導電線の巻付工程において、導電
線の巻き付け作業を第一コアと第二コアとに別々に分け
て行うので非能率的で、その後、第一、第二両コアに巻
き付けられた導電線を接続する手間もかかるので、非能
率的な作業となり、作業効率が悪く問題であった。However, in such a conventional method, in the process of winding the conductive wire, the work of winding the conductive wire is separately performed for the first core and the second core, which is inefficient. Since it takes time and effort to connect the conductive wires wound around both the first and second cores after that, it becomes an inefficient work, resulting in poor work efficiency and a problem.
【０００５】本発明は、上記従来の問題に着目し、導電
線を第一コアと第二コアとに連続して同時に巻き付ける
ことができ、しかも、第一、第二両コアに巻き付けられ
た導電線を接続する手間もかからない能率のよい巻付工
程を有する電気融着継手の製造方法を提供することを第
一の目的とし、第一コアから第二コアに巻き始める導電
線が所定の位置に位置決めされた巻付工程を有する電気
融着継手の製造方法を提供することを第二の目的として
いる。In view of the above-mentioned conventional problems, the present invention is capable of continuously winding a conductive wire around a first core and a second core at the same time, and moreover, a conductive wire wound around both the first and second cores. The first object is to provide a method for manufacturing an electric fusion joint having an efficient winding step that does not require the effort of connecting wires, and the conductive wire starting to be wound from the first core to the second core is at a predetermined position. A second object is to provide a method for manufacturing an electric fusion joint having a positioned winding step.
【０００６】[0006]
【課題を解決するための手段】本発明は、上記第一の目
的と第二の目的を達成するためになされたものであっ
て、上記第１の目的を達成するために、請求項１記載の
電気融着継手の製造方法では、第一コアの結合面と第二
コアの結合面とを結合させて形成されるコア本体に導電
線を巻き付ける導電線巻付工程を備えた電気融着継手の
製造方法において、前記導電線巻付工程は、第一及び第
二コアのそれぞれの中心線を同一直線上に配置し、連結
治具を介して両者を直結し、この直結状態の第一、第二
コアの第一コアから第二コアに連続して導電線を巻き付
け、その後、前記連結治具を取り除き、第一及び第二コ
アの結合面を結合してコア本体を形成する方法とした。The present invention has been made to achieve the above first and second objects, and in order to achieve the above first object, claim 1 In the method for producing an electric fusion joint, the electric fusion joint including a conductive wire winding step of winding a conductive wire around a core body formed by joining the joining surface of the first core and the joining surface of the second core. In the manufacturing method of, in the conductive wire winding step, the respective center lines of the first and second cores are arranged on the same straight line, and both are directly connected via a connecting jig, and the first in the directly connected state, A method of forming a core body by continuously winding a conductive wire from the first core of the second core to the second core, then removing the connecting jig, and joining the joining surfaces of the first and second cores .
【０００７】また、前記第二の目的を達成するために、
請求項２記載の電気融着継手の製造方法では、前記連結
治具に第二コア側に突出しているガイド板を取り付け、
第一コアから第二コアに巻き付ける導電線をこのガイド
板の先端に当接し、第二コア側に巻きはじめる導電線の
位置決めを行うことを特徴とする、請求項１記載の電気
融着継手の製造方法とした。In order to achieve the second object,
The method for manufacturing an electric fusion joint according to claim 2, wherein a guide plate protruding toward the second core side is attached to the connecting jig,
The conductive wire wound from the first core to the second core is brought into contact with the tip of the guide plate to position the conductive wire that starts to be wound on the second core side. The manufacturing method was used.
【０００８】[0008]
【作用】本発明請求項１記載の電気融着継手の製造方法
において、導電線巻付工程は、第一及び第二コアのそれ
ぞれの中心線を同一直線上に配置し、連結治具を介して
両者を直結し、この直結状態の第一、第二コアの第一コ
アから第二コアに連続して導電線を巻き付けているの
で、導電線を第一コアと第二コアとに同時に巻き付ける
ことができ、しかも、第一及び第二コアに巻き付けられ
た導電線を接続する手間もかからないので、巻付工程の
作業能率がよい。In the method for manufacturing an electric fusion joint according to claim 1 of the present invention, in the step of winding the conductive wire, the center lines of the first and second cores are arranged on the same straight line and a connecting jig is used. The first and second cores in the directly connected state are directly connected to each other and the conductive wire is continuously wound around the second core, so that the conductive wire is wound around the first core and the second core at the same time. Moreover, since it does not take time and effort to connect the conductive wires wound around the first and second cores, the work efficiency of the winding step is good.
【０００９】本発明請求項２記載の電気融着継手の製造
方法では、前記連結治具に第二コア側に突出しているガ
イド板を取り付け、第一コアから第二コアに巻き付けら
れる導電線をこのガイド板の先端に当接して第二コアに
巻き付けるので、第二コアに巻き始める導電線の位置を
所定の位置に決めることができる。According to the second aspect of the present invention, in the method for manufacturing an electric fusion joint, a guide plate protruding to the second core side is attached to the connecting jig, and a conductive wire wound from the first core to the second core is attached. Since it abuts on the tip of the guide plate and is wound around the second core, the position of the conductive wire to start winding around the second core can be determined at a predetermined position.
【００１０】[0010]
【実施例】以下、本発明の実施例を図面を参照して説明
する。図１〜図８は本発明の一実施例を示したものであ
って、図１は導電線巻付工程に使用する第一及び第二コ
アと連結治具の分解斜視図であり、図２（イ）は第一、
第二コアの結合前の平面図であり、（ロ）は第一、第二
コアを結合させて形成されたコア本体の平面図であり、
（ハ）は（イ）図のＸ−Ｘ線における部分側面図であ
る。Embodiments of the present invention will be described below with reference to the drawings. 1 to 8 show an embodiment of the present invention, and FIG. 1 is an exploded perspective view of first and second cores and a connecting jig used in a conductive wire winding step. (A) is first,
It is a plan view of the second core before coupling, (b) is a plan view of the core body formed by coupling the first and second cores,
(C) is a partial side view taken along the line XX in (A).
【００１１】図３は図１に示した分解斜視図の平面図、
図４は第一、第二コアとこの両コアの間に装着された連
結治具の平面図であり、図５は連結治具を示したもので
あって、（イ）は平面図、（ロ）は側面図、（ハ）は正
面図である。図６は直結状態の第一コアから第二コアに
導電線が巻き付けられた状態を示す平面図であり、図７
は導電線が巻き付けられた第一、第二コアを結合させて
形成されたコア本体の平面図であり、図８は電気融着継
手を示す断面図である。FIG. 3 is a plan view of the exploded perspective view shown in FIG.
FIG. 4 is a plan view of the first and second cores and a connecting jig mounted between the two cores, FIG. 5 shows the connecting jig, and (a) is a plan view. (B) is a side view and (c) is a front view. FIG. 6 is a plan view showing a state in which a conductive wire is wound around the first core in the directly connected state to the second core.
[Fig. 8] is a plan view of a core body formed by combining first and second cores around which conductive wires are wound, and Fig. 8 is a cross-sectional view showing an electric fusion joint.
【００１２】１は第一コア、２は第二コア、３はコア本
体、４は連結治具、５は駆動源、６は支持具、７は導電
線、８はガイド、９は電気融着継手である。図８に示す
電気融着継手９は、本発明方法によって製造されるＬ字
形状のエルボと称されるものであって、この電気融着継
手９は、ポリエチレンやポリプロピレンや塩化ビニル樹
脂等の熱可塑性合成樹脂で形成されていて、両端のパイ
プ差込部９ａ、９ｂには、導電線７が密に巻き付けられ
ている。Reference numeral 1 is a first core, 2 is a second core, 3 is a core body, 4 is a connecting jig, 5 is a driving source, 6 is a support tool, 7 is a conductive wire, 8 is a guide, and 9 is electrofusion. It is a joint. The electric fusion-bonding joint 9 shown in FIG. 8 is referred to as an L-shaped elbow manufactured by the method of the present invention. The electric fusion-bonding joint 9 is made of a material such as polyethylene, polypropylene or vinyl chloride resin. It is made of a plastic synthetic resin, and the conductive wire 7 is tightly wound around the pipe insertion portions 9a and 9b at both ends.
【００１３】前記導電線７は、ニクロムや鉄クロム等に
より形成されており、通電することにより発熱して、前
記パイプ差込部９ａ、９ｂに差し込んだ図外のパイプと
電気融着継手９とを溶融させて融着するもので、この導
電線７の両端は電極９ｃ、９ｄに接続されている。The conductive wire 7 is made of nichrome, iron chrome or the like, and when energized, heat is generated, and a pipe (not shown) inserted into the pipe insertion portions 9a and 9b and an electric fusion joint 9 are formed. Is melted and fused, and both ends of the conductive wire 7 are connected to electrodes 9c and 9d.
【００１４】上記の電気融着継手９を製造する際に使用
するコア本体３は、電気融着継手９の内面を形成する金
型であって、このコア本体３は、図２に示すように、第
一コア１と第二コア２を、それそれの中心線が９０°に
交わるように結合して形成されるもので、前記第一コア
１の結合面１１に結合用の突起片１２と結合用の嵌合溝
１３とが形成され、かつ、もう一方の第二コア２の結合
面２１にも結合用の突起片２２と結合用の嵌合溝２３と
が形成されている。The core body 3 used in manufacturing the above-mentioned electric fusion joint 9 is a mold for forming the inner surface of the electric fusion joint 9, and the core body 3 is as shown in FIG. , The first core 1 and the second core 2 are coupled to each other so that their center lines intersect at 90 °, and the coupling surface 11 of the first core 1 has a coupling projection 12 and a coupling projection 12. A coupling fitting groove 13 is formed, and a coupling projection piece 22 and a coupling fitting groove 23 are also formed on the coupling surface 21 of the other second core 2.
【００１５】この第一、第二コア１、２を結合するに
は、図２の（イ）に示すように、矢印Ａの方向に第二コ
ア２の突起片２２を第一コア１の嵌合溝１３に挿入する
と共に、第一コア１の突起片１２を第二コア２の嵌合溝
２３に挿入し、第一コア１の結合面１１と第二コア２の
結合面２１とを合致させ、図２（ロ）に示すように、コ
ア本体３が形成される。To connect the first and second cores 1 and 2, as shown in FIG. 2A, the projection piece 22 of the second core 2 is fitted in the first core 1 in the direction of arrow A. The protrusion piece 12 of the first core 1 is inserted into the fitting groove 23 of the second core 2 while being inserted into the joint groove 13, and the joint surface 11 of the first core 1 and the joint surface 21 of the second core 2 are aligned with each other. Then, the core body 3 is formed as shown in FIG.
【００１６】次に、本発明実施例に基づく、電気融着継
手９の製造方法における導電線巻付工程を順を追って説
明する。先ず、図１または図３に示すように、第一コア
１と第二コア２のそれぞれの中心線（図３の符号Ｂ及び
Ｃで示す）を同一直線上に配置させ、この直線上に配置
された第一コア１と第二コア２の両結合面１１、２１の
間に連結治具４が矢印Ｄで示す方向から装着され、図４
に示すように、この連結治具４によって第一、第二コア
１、２を直結させる。Next, the conductive wire winding step in the method for manufacturing the electric fusion joint 9 according to the embodiment of the present invention will be described step by step. First, as shown in FIG. 1 or 3, the center lines of the first core 1 and the second core 2 (indicated by the symbols B and C in FIG. 3) are arranged on the same straight line, and are arranged on this straight line. The connecting jig 4 is mounted between the two coupling surfaces 11 and 21 of the first core 1 and the second core 2 which are arranged in the direction indicated by the arrow D, as shown in FIG.
As shown in, the connecting jig 4 directly connects the first and second cores 1 and 2.
【００１７】上記連結治具４には、図５にその詳細を示
すように、側面形状が略Ｕ字形状になされた治具本体４
１の内側に、２枚の平行な三角形状の係止片４２、４２
が設けられ、この係止片４２、４２の相対峙する側に隣
接して係止棒４３、４３が設けられている。この係止片
４２、４２は、直結された第一、第二両コア１、２の結
合面１１と２１の間に形成された三角形状の凹部と符合
する形状になされ、この三角形状の凹部に係合されてい
る。また、前記係止棒４３、４３は第一コア１の嵌合溝
１３と２３とに挿入可能になされている。この結果、第
一、第二両コア１、２は、連結治具４の係止片４２、４
２と係止棒４３、４３とによって、径方向に振れること
がないようにしっかりと直結されている。As shown in detail in FIG. 5, the connecting jig 4 has a jig body 4 whose side surface is substantially U-shaped.
Inside the 1, two parallel triangular locking pieces 42, 42
Is provided, and locking bars 43, 43 are provided adjacent to the sides of the locking pieces 42, 42 facing each other. The locking pieces 42, 42 are shaped to match the triangular recesses formed between the coupling surfaces 11 and 21 of the first and second cores 1, 2 that are directly connected to each other. Is engaged with. The locking rods 43, 43 can be inserted into the fitting grooves 13 and 23 of the first core 1. As a result, the first and second cores 1 and 2 are locked by the locking pieces 42 and 4 of the connecting jig 4.
The two and the locking rods 43, 43 are directly connected so as not to swing in the radial direction.
【００１８】上記のようにして、第一、第二コア１、２
が直結されると、図６に示すように、第一コア１の端部
に設けられたフランジ１４が駆動源５に装着され、第二
コア２の端部に設けられたフランジ２４の中心部にはセ
ンター孔２５が穿設されていて、このセンター孔２５に
支持具６が取り付けられている。駆動源５を円弧上の矢
印Ｅに示す方向に回転させると、第一、第二両コア１、
２は一体となって回転可能になされている。As described above, the first and second cores 1, 2
6, the flange 14 provided at the end of the first core 1 is attached to the drive source 5, and the central portion of the flange 24 provided at the end of the second core 2 is connected as shown in FIG. A center hole 25 is formed in the center hole 25, and the support 6 is attached to the center hole 25. When the drive source 5 is rotated in the direction indicated by the arrow E on the arc, the first and second cores 1,
2 is rotatable integrally.
【００１９】そこで、導電線７の先端を第一コア１の外
周面に形成された固定孔１５に挿入し、さらに、この固
定孔１５に図示省略の楔形状の押さえ棒を差し込み、導
電線７の先端を第一コア１に固定させる。次に、駆動源
５を矢印Ｅで示す方向に回転させて、第一コア１の外周
に導電線７を巻き付ける。所定の巻き回数の導電線７が
巻き付けられると、一旦、駆動源５の回転を停止させ、
導電線７を連結治具４の係止棒４３、４３に沿わせて第
二コア２の方向に引き込んでいく。Therefore, the tip of the conductive wire 7 is inserted into the fixing hole 15 formed on the outer peripheral surface of the first core 1, and a wedge-shaped presser bar (not shown) is inserted into the fixing hole 15 to make the conductive wire 7 The tip of is fixed to the first core 1. Next, the drive source 5 is rotated in the direction indicated by the arrow E to wind the conductive wire 7 around the outer periphery of the first core 1. When the conductive wire 7 is wound a predetermined number of times, the drive source 5 is once stopped from rotating,
The conductive wire 7 is drawn along the locking rods 43, 43 of the connecting jig 4 toward the second core 2.
【００２０】この際、連結治具４には、第二コア２側に
突出しているガイド板８が取り付けられていて、上記第
一コア１から第二コア２に巻き付けられる導電線７をこ
のガイド板８の先端に当接させて第二コア２側に巻きは
じめると、導電線７の位置決めができるようになされて
いる。上記のようにして、ガイド板８によって導電線７
の第二コア２に巻きはじめる位置決めがなされると、再
び、駆動源５を回転させて第二コア２に導電線７を所定
の巻き回数だけ巻き付ける。そして、巻き付けが終わる
と駆動源５を停止させ、導電線７の端末を第二コア２に
形成された固定孔２６に差し込んで固定し、図外の融着
コテにより導電線７を第一、第二両コア１、２の外周に
融着して巻きがもどらないようにしておく。At this time, a guide plate 8 projecting to the second core 2 side is attached to the connecting jig 4, and the conductive wire 7 wound around the first core 1 to the second core 2 is attached to this guide. The conductive wire 7 can be positioned when it is brought into contact with the tip of the plate 8 and starts to be wound on the second core 2 side. As described above, the conductive wire 7 is guided by the guide plate 8.
When the positioning to start winding on the second core 2 is performed, the drive source 5 is rotated again and the conductive wire 7 is wound around the second core 2 a predetermined number of times. Then, when the winding is completed, the drive source 5 is stopped, the end of the conductive wire 7 is inserted into the fixing hole 26 formed in the second core 2 and fixed, and the conductive wire 7 is first and The outer circumferences of the second cores 1 and 2 are fused to prevent the winding from returning.
【００２１】その後、連結治具４を第一、第二両コア
１、２から脱着し、第一、第二両コア１、２の結合面１
１と２１とを結合させ、図７に示すように、導電線７が
巻き付けられたコア本体３を形成する。最後に、第一、
第二両コアの固定孔１５と２６から導電線７の端末を取
り出し、この端末に電極９ｃ、９ｄを取り付けておく。Thereafter, the connecting jig 4 is detached from the first and second cores 1 and 2, and the connecting surface 1 of the first and second cores 1 and 2 is attached.
1 and 21 are combined to form the core body 3 around which the conductive wire 7 is wound, as shown in FIG. Finally, first,
The end of the conductive wire 7 is taken out from the fixing holes 15 and 26 of the second cores, and the electrodes 9c and 9d are attached to this end.
【００２２】（実施例の作用）本実施例の電気融着継手
９の製造方法では、導電線巻付工程で、第一、第二コア
１、２のそれぞれの中心線を同一直線上に配置し、この
第一コア１と第二コア２の両結合面１１、２１の間に連
結治具４を装着し、この連結治具４によって第一、第二
両コア１、２を直結し、この直結状態の第一コア１から
第二コア２に連続して導電線７を巻き付けているので、
導電線７を第一コア１と第二コア２とに同時に巻き付け
ることができ、しかも、第一、第二両コア１、２に巻き
付けられた導電線７を接続する手間もかからないので、
巻付工程の作業能率がよい。(Operation of Embodiment) In the method for manufacturing the electric fusion joint 9 of the present embodiment, the center lines of the first and second cores 1 and 2 are arranged on the same straight line in the conductive wire winding step. Then, the connecting jig 4 is mounted between the connecting surfaces 11 and 21 of the first core 1 and the second core 2, and the connecting jig 4 directly connects the first and second cores 1 and 2. Since the conductive wire 7 is continuously wound from the first core 1 in the directly connected state to the second core 2,
Since the conductive wire 7 can be wound around the first core 1 and the second core 2 at the same time, and moreover, there is no need to connect the conductive wire 7 wound around the first and second cores 1 and 2,
Good work efficiency in the winding process.
【００２３】また、本実施例の電気融着継手９の製造方
法では、連結治具４に取り付けられたガイド板８の先端
を第二コア２側に突出させ、第一コア１から第二コア２
に巻き付けられる導電線７をこのガイド板８の先端に当
接して第二コア２に巻き付けるので、第二コア２に巻き
始める導電線７の位置を所定の位置に決めることができ
る。In the method for manufacturing the electric fusion joint 9 of this embodiment, the tip of the guide plate 8 attached to the connecting jig 4 is projected toward the second core 2 side, and the first core 1 to the second core 2 are projected. Two
Since the conductive wire 7 to be wound on the second core 2 is wound around the tip of the guide plate 8 and wound around the second core 2, the position of the conductive wire 7 to start winding on the second core 2 can be set to a predetermined position.
【００２４】以上、本発明の実施例を図面により詳述し
てきたが、具体的な構成はこの実施例に限られるもので
はなく、本発明の要旨を逸脱しない範囲の設計変更等が
あっても本発明に含まれる。例えば、実施例では、第一
コアと第二コアとが９０°の角度で結合されたコア本体
を示したが、この角度は、９０°に限られない。Although the embodiment of the present invention has been described in detail above with reference to the drawings, the specific configuration is not limited to this embodiment, and even if there is a design change or the like within the scope not departing from the gist of the present invention. Included in the present invention. For example, in the embodiment, the core body in which the first core and the second core are joined at an angle of 90 ° is shown, but the angle is not limited to 90 °.
【００２５】[0025]
【発明の効果】以上説明したように、請求項１記載の電
気融着継手の製造方法にあっては、導電線巻付工程で、
連結治具によって第一、第二両コアを直結し、この直結
状態の第一コアから第二コアに連続して導電線を巻き付
けているので、導電線を第一コアと第二コアとに同時に
巻き付けることができ、しかも、第一、第二両コアに巻
き付けられた導電線を接続する手間もかからないので、
巻付工程の作業能率がよいという効果、及び、ソケット
用の捲線機で捲線可能となり、エルボ専用の捲線機が不
要となり、設備投資費用を節約できるという効果が得ら
れる。As described above, in the method for manufacturing the electric fusion splicing joint according to the first aspect, in the conductive wire winding step,
The first and second cores are directly connected by a connecting jig, and the conductive wire is continuously wound from the first core in the directly connected state to the second core, so that the conductive wire is connected to the first core and the second core. Since it can be wound at the same time, and it does not take time to connect the conductive wires wound around the first and second cores,
The effect that the work efficiency of the winding step is good, and that the winding machine for the socket can be wound, the winding machine dedicated to the elbow is not required, and the capital investment cost can be saved.
【００２６】本発明請求項２記載の電気融着継手の製造
方法では、連結治具に取り付けられたガイド板の先端を
第二コア側に突出させ、第一コアから第二コアに巻き付
けられる導電線をこのガイド板の先端に当接させて第二
コアに巻き付けるので、第二コアに巻き始める導電線の
位置を所定の位置に決めることができ、熟練した技術を
必要とすることなく誰でも巻付状態が一定しているとい
う効果が得られる。According to the second aspect of the present invention, in the method for manufacturing the electric fusion joint, the tip end of the guide plate attached to the connecting jig is projected toward the second core side, and the conductive material is wound around the first core to the second core. Since the wire is brought into contact with the tip of this guide plate and wound around the second core, the position of the conductive wire starting to be wound around the second core can be determined at a predetermined position, and anyone without skill is required. The effect that the winding state is constant is obtained.
【図１】本発明の一実施例を示したものであって、導電
線巻付工程に使用する第一及び第二コアと連結治具の分
解斜視図である。FIG. 1 shows an embodiment of the present invention and is an exploded perspective view of first and second cores and a connecting jig used in a conductive wire winding step.
【図２】（イ）は第一、第二コアの結合前の平面図であ
り、（ロ）は第一、第二コアを結合させて形成されたコ
ア本体の平面図であり、（ハ）は（イ）図のＸ−Ｘ線に
おける部分側面図である。FIG. 2A is a plan view of the first and second cores before they are joined, and FIG. 2B is a plan view of a core body formed by joining the first and second cores. 8B is a partial side view taken along line XX of FIG.
【図３】図１に示した分解斜視図の平面図である。FIG. 3 is a plan view of the exploded perspective view shown in FIG.
【図４】第一、第二コアとこの両コアの間に装着された
連結治具の平面図である。FIG. 4 is a plan view of first and second cores and a connecting jig mounted between the two cores.
【図５】連結治具を示したものであって、（イ）は平面
図、（ロ）は側面図、（ハ）は正面図である。5A and 5B show a connecting jig, wherein FIG. 5A is a plan view, FIG. 5B is a side view, and FIG. 5C is a front view.
【図６】直結状態の第一コアから第二コアに導電線が巻
き付けられた状態を示す平面図である。FIG. 6 is a plan view showing a state in which a conductive wire is wound around a first core in a directly connected state to a second core.
【図７】導電線が巻き付けられた第一、第二コアを結合
させて形成されたコア本体の平面図である。FIG. 7 is a plan view of a core body formed by combining first and second cores around which conductive wires are wound.
【図８】電気融着継手の断面図である。FIG. 8 is a cross-sectional view of the electric fusion joint.
１ 第一コア ２ 第二コア ３ コア本体 ４ 連結治具 ７ 導電線 ８ ガイド板 ９ 電気融着継手 １１、２１ 結合面 DESCRIPTION OF SYMBOLS 1 1st core 2 2nd core 3 Core body 4 Connecting jig 7 Conductive wire 8 Guide plate 9 Electrofusion joint 11, 21 Coupling surface
Claims (2)
を結合させて形成されるコア本体に導電線を巻き付ける
導電線巻付工程を備えた電気融着継手の製造方法におい
て、 前記導電線巻付工程は、第一及び第二コアのそれぞれの
中心線を同一直線上に配置し、連結治具を介して両者を
直結し、この直結状態の第一、第二コアの第一コアから
第二コアに連続して導電線を巻き付け、その後、前記連
結治具を取り除き、第一及び第二コアの結合面を結合し
てコア本体を形成する工程よりなることを特徴とする電
気融着継手の製造方法。1. A method for manufacturing an electric fusion joint, comprising: a conductive wire winding step of winding a conductive wire around a core body formed by bonding a bonding surface of a first core and a bonding surface of a second core; In the conductive wire winding step, the respective center lines of the first and second cores are arranged on the same straight line, and both are directly connected via a connecting jig, and the first and second cores in the directly connected state are connected. A conductive wire is continuously wound from one core to the second core, and then the connecting jig is removed, and the connecting surfaces of the first and second cores are connected to each other to form a core body. A method for manufacturing an electric fusion joint.
るガイド板を取り付け、第一コアから第二コアに巻き付
ける導電線をこのガイド板の先端に当接し、第二コア側
に巻きはじめる導電線の位置決めを行うことを特徴とす
る、請求項１記載の電気融着継手の製造方法。2. A guide plate protruding to the second core side is attached to the connecting jig, and a conductive wire for winding from the first core to the second core is brought into contact with the tip of the guide plate to wind on the second core side. The method for producing an electric fusion splicing joint according to claim 1, characterized in that the first positioning of the conductive wire is performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7131852A JPH08326981A (en) | 1995-05-30 | 1995-05-30 | Manufacture of electric fusion coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7131852A JPH08326981A (en) | 1995-05-30 | 1995-05-30 | Manufacture of electric fusion coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08326981A true JPH08326981A (en) | 1996-12-10 |
Family
ID=15067632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7131852A Withdrawn JPH08326981A (en) | 1995-05-30 | 1995-05-30 | Manufacture of electric fusion coupling |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08326981A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2984207A1 (en) * | 2011-12-15 | 2013-06-21 | Rehau Sa | PROCESS FOR MANUFACTURING A THERMOPLASTIC TUBULAR ASSEMBLY COMPRISING AN OVERMOLDED FUNCTIONAL ELEMENT AND THE PRODUCT THUS OBTAINED |
| KR101476060B1 (en) * | 2013-11-19 | 2014-12-23 | 주식회사 엘지화학 | Molding apparatus for producing elbow pipe |
-
1995
- 1995-05-30 JP JP7131852A patent/JPH08326981A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2984207A1 (en) * | 2011-12-15 | 2013-06-21 | Rehau Sa | PROCESS FOR MANUFACTURING A THERMOPLASTIC TUBULAR ASSEMBLY COMPRISING AN OVERMOLDED FUNCTIONAL ELEMENT AND THE PRODUCT THUS OBTAINED |
| KR101476060B1 (en) * | 2013-11-19 | 2014-12-23 | 주식회사 엘지화학 | Molding apparatus for producing elbow pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A761 | Written withdrawal of application |
Free format text: JAPANESE INTERMEDIATE CODE: A761 Effective date: 20040319 |