PIPE CONNECTION DEVICE FOR CONTAINER VALVE

PROBLEM TO BE SOLVED: To surely prevent a tightening nut from being getting loose, without worsening sealing performance between a connecting pipe member and a connection nozzle fixed by the tightening nut. SOLUTION: This pipe connection device includes a nipple (4) connected to the connection nozzl...

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Bibliographische Detailangaben
1. Verfasser:	SAJI KOICHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING 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:	PROBLEM TO BE SOLVED: To surely prevent a tightening nut from being getting loose, without worsening sealing performance between a connecting pipe member and a connection nozzle fixed by the tightening nut. SOLUTION: This pipe connection device includes a nipple (4) connected to the connection nozzle (3), and the tightening nut (6) screwed onto an attaching screw (5) formed in the connection nozzle (3). A diameter-expanded part (10) is provided in one end side of the nipple (4), and the tightening nut (6) is fit around the diameter-expanded part (10). The tightening nut (6) is advanced screwedly to press the diameter-expanded part (10) onto the connection nozzle (3). An engaging part (13) is provided in the connection nozzle (3), and a locking part (12) is provided in the diameter-expanded part (10). The locking part (12) is engaged with the engaging part (13) to make the nipple (4) turn-incapable. A fixing male screw part (15) is formed on an outer circumferential face of the nipple (4), and a connection-fastening nut (17) is arranged in an opposite side opposite to the diameter-expanded part (10) with the tightening nut (6) therebetween, to be fixed to the fixing male screw part (15). COPYRIGHT: (C)2010,JPO&INPIT