RESINOUS PIPE JOINT

A resin tube fitting 1 prevents backwaters between its body and inner ring. The fitting includes a body 5, an inner ring 6, and a union nut 7. The body has main, outer, and inner sleeves (11, 12, 13), and a groove 14. The inner ring has a cylinder 31, an insert 32, and outer and inner protrusions (3...

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Bibliographische Detailangaben
Hauptverfasser:	KOIKE, Tomoyuki, IIDA, Toshihide, NARUO, Motoaki, FUJII, Makoto
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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 PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A resin tube fitting 1 prevents backwaters between its body and inner ring. The fitting includes a body 5, an inner ring 6, and a union nut 7. The body has main, outer, and inner sleeves (11, 12, 13), and a groove 14. The inner ring has a cylinder 31, an insert 32, and outer and inner protrusions (33, 34). The union nut has a body 51 and a pressing member 53. The inner sleeve has a through hole serving as a channel. The inner protrusion extends from the cylinder to an axial direction to contact the inner sleeve. The inner protrusion has a through hole serving as another channel connected with the inner sleeve's channel. The tip 45 of the inner protrusion 34 has an inner diameter not less than the minimum inner diameter of the inner sleeve. An inner peripheral surface 71 is located at the inner periphery of the inner protrusion 34 and causes it to reduce in inner diameter toward another axial direction.