Vorrichtung zum Absperren des Innenraumes eines Rohrs

An apparatus for plugging the interior of a pipe having an internal cylindrical surface, the pipe being penetrated by an access opening, the plugging device comprising: an upright tubular plugger housing having means at a lower end for attachment to a pipe in communication with an opening in the pip...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	RALLS, GENE R, ANDREW, BILL D, BLEVINS, DAVID L, OSBURN, COY D, FREEMAN, ERIC N, WILSON, BUDDY A
Format:	Patent
Sprache:	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:	An apparatus for plugging the interior of a pipe having an internal cylindrical surface, the pipe being penetrated by an access opening, the plugging device comprising: an upright tubular plugger housing having means at a lower end for attachment to a pipe in communication with an opening in the pipeline; an elongated vertical cylindrical control bar having a plugger at a lower end thereof, the plugger being operable to plug a pipe after it has been inserted through an opening into the pipe, comprising: an arrangement of a collar and first and second closure plates with respective truncated spherical surfaces to allow swivelling of a control bar placed therethrough in order to position the plugger in the pipe. or a control bar formed of two concentric members each provided with manipulating means.