PIPE-END-CONNECTING JOINT

A PIPE-END-CONNECTING JOINT COMPRISSE A NIPPLE (1) INSERTED IN THE PIPE END, A HOLDER (2) FOR TIGHTENING THE OUTER CIRCUMFERENCE OF THE PIPE END, AND AN ELASTIC PACKING 3 DIVIDED INTO HALF PARTS AND ATTACHED IN THE HOLDER (2). THE NIPPLE (1) INCLUDES A TUBULAR PORTION (11) PROVIDED IN ONE LONGITUDIN...

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Bibliographische Detailangaben
Hauptverfasser: HIROSHI IKEGAMI, NOBUO SHINDO, SUSUMU OKAIRI, YASUHIRO KIKUMORI, TOSHIHIRO NAKANISHI, TATSUYA MACHINO
Format: Patent
Sprache:eng
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Zusammenfassung:A PIPE-END-CONNECTING JOINT COMPRISSE A NIPPLE (1) INSERTED IN THE PIPE END, A HOLDER (2) FOR TIGHTENING THE OUTER CIRCUMFERENCE OF THE PIPE END, AND AN ELASTIC PACKING 3 DIVIDED INTO HALF PARTS AND ATTACHED IN THE HOLDER (2). THE NIPPLE (1) INCLUDES A TUBULAR PORTION (11) PROVIDED IN ONE LONGITUDINAL END SIDE THEREOF SO AS TO BE INSERTED IN THE PIPE END, A CONNECTION PORTION (12) PROVIDED IN THE OTHER LONGITUDINAL END SIDE THEREOF SO AS TO BE CONNECTED TO ANOTHER JOINT, AND A FLANGE PORTION (13) PROVIDED IN A LONGITUDINAL INTERMEDIATE PORTION THEREOF SO AS TO PROTRUDE OUTWARD. THE HOLDER (2) IS DIVIDED LONGITUDINALLY INTO TWO SPLIT PARTS (2A AND 2B) SO THAT EACH OF THE TWO SPLIT PARTS (2A AND 2B) HAS AN SEMICIRCULARLY FORMED INNER CIRCUMFERENTIAL SURFACE (21), AND EACH OF THE TWO SPLIT PARTS (2A AND 2B) HAS ONE LONGITUDINAL END SIDE IN WHICH ONE OF THE HALF PARTS OF THE ELASTIC PACKING IS MOUNTED, AND HAS THE OTHER LONGITUDINAL END SIDE IN WHICH A RING-LIKE GROOVE (23) IS FORMED SO AS TO BE FITTED TO THE FLANGE PORTION (13), AND FURTHER HAS A LONGITUDINALLY INTERMEDIATE PORTION BETWEEN THE ONE AND THE OTHER LONGITUDINAL END SIDES IN WHICH A SPIRAL CORRUGATED PORTION (22) IS FORMED ALONG THE OUTER CIRCUMFERENTIAL SURFACE OF THE PIPE(P), THE SPIRAL CORRUGATED PORTION (22) HAVING A SPIRAL PROTRUDING PORTION (24)AN INNER DIAMETER OF WHICH IS SMALLER THAN AN OUTER DIAMETER OF A TROUGH PORTION R OF THE PIPE (P), THE TWO SPLIT PARTS (2A AND 2B) HAVING HOLES FOR INSERTION OF CONNECTION BOLTS. (FIG. 1)