ELECTRO FUSION JOINT AND MANUFACTURING METHOD OF THE SAME

To connect a heating wire with a terminal pin securely in an electro fusion joint.SOLUTION: A terminal pin 2500 is inserted into a hole, which is formed from an outer peripheral surface of a thermoplastic resin pipe to reach a heating wire 300, to supply electric power from an external power source...

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Bibliographische Detailangaben
Hauptverfasser:	HIMONO TOMOKAZU, OMURO HIDEKI, KOMORI YUTA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PIPES SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	To connect a heating wire with a terminal pin securely in an electro fusion joint.SOLUTION: A terminal pin 2500 is inserted into a hole, which is formed from an outer peripheral surface of a thermoplastic resin pipe to reach a heating wire 300, to supply electric power from an external power source to the heating wire 300, has a substantially cylinder shape and conductivity, and is connected with the heating wire 300 by a connection cylindrical body 2600 having conductivity. The terminal pin 2500 includes a substantially cylindrical part 2530 and includes a side surface groove 2530S, which corresponds to a diameter of the heating wire 300 and is formed along a center axis of the substantially cylindrical shape, on a curved surface of the substantially cylindrical part 2530. The connection cylindrical body 2600 is formed by a metal piece being bent in a substantially cylindrical shape. The terminal pin 2500 including the heating wire 300 on the side surface groove 2530S is inserted into a substantially cylindrical portion of the connection cylindrical body 2600 to cause the heating wire 300 to make pressure contact with the terminal pin 2500.SELECTED DRAWING: Figure 12 【課題】電気融着継手における電熱線とターミナルピンとを確実に接続する。【解決手段】ターミナルピン２５００は、熱可塑性の樹脂管の外周面から電熱線３００に到達するように穿孔された穴に挿入された、外部の電源から電熱線３００に電気を供給するための略円柱形状で導電性を備え、導電性を備えた接続用筒体２６００により電熱線３００と接続される。ターミナルピン２５００は、略円筒形状部２５３０を備え、電熱線３００の径に対応した溝であって略円柱の中心軸に沿った側面溝２５３０Ｓを略円筒形状部２５３０の曲面に備える。接続用筒体２６００は、金属片が略円筒形状に曲げられて形成されており、側面溝２５３０Ｓに電熱線３００を内包したターミナルピン２５００が、接続用筒体２６００の略円筒形状の部分に挿入されて、電熱線３００がターミナルピン２５００に圧接される。【選択図】図１２