METHOD AND A MACHINE FOR ALIGNING AND JOINING PIPES

The invention is directed principally to a process of joining pipes of large diameter, for example, pipes used in conveying water from dams to reservoirs, and to a machine for carrying out the process. Such pipes each have a bell at one end and the other end is of smaller diameter than the bell end...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LEVAKE R,US, HUBBARD D,US, STEIGER J,US
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The invention is directed principally to a process of joining pipes of large diameter, for example, pipes used in conveying water from dams to reservoirs, and to a machine for carrying out the process. Such pipes each have a bell at one end and the other end is of smaller diameter than the bell end and referred to in the trade as the "spigot end." The spigot end is provided with a shoulder. The machine can be disposed within the pipe that is laid and it includes mechanism that is extendible into the spigot end of the pipe to be laid, the mechanism including rollers that are brought into abutting relationship with the shoulder at the spigot end of the pipe to be laid. The machine, through the shoulders, draws the spigot end of the pipe to be laid into sealing relationship with the bell of the pipe that was laid.