CONNECTING METHOD FOR THERMOPLASTIC RESIN TUBE TO ELECTRIC FUSION-BONDING JOINT

PURPOSE:To prevent the generation of a hole, a step, a gap on an inner surface of a connected part of a thermoplastic resin tube to an electric fusion-bounding joint due to incomplete cutting of a thermoplastic resin tube and beads thereon due to squeeze-out of melted resin. CONSTITUTION:A thermopla...

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Bibliographische Detailangaben
1. Verfasser:	SHIOHAMA YUICHI
Format:	Patent
Sprache:	eng
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 INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES 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:	PURPOSE:To prevent the generation of a hole, a step, a gap on an inner surface of a connected part of a thermoplastic resin tube to an electric fusion-bounding joint due to incomplete cutting of a thermoplastic resin tube and beads thereon due to squeeze-out of melted resin. CONSTITUTION:A thermoplastic resin tube P is inserted into a faucet 2 of an electric fusion-bonding joint 1 in which energized heaters 4, 5 are buried in an inner periphery of the faucet 2 and a stopper 3 until the tube P is brought into contact with the stopper 3. The heaters 4, 5 are heated while bringing an outer periphery of an inner surface support 8 into pressure contact with the inner wall of the contact part to melt the surface of the stopper 3 and the end of the tube P, and the end of the tube P is brought into pressure contact with the stopper 3 to be fusion-bonded.