FACING PROCESS OF INTERNAL SURFACE OF METALLIC TUBE BY POLYMER SHELL

FIELD: pipeline transportation. ^ SUBSTANCE: invention is referred to field of pipeline transportation and can be used in a pipe lines construction in the oil-extracting and petrochemical industry, and also in housing and communal services system. Into a metallic tube a polymer shell is injected, th...

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Bibliographische Detailangaben
Hauptverfasser:	DAUTOV FARVAZ INSAPOVICH, IBRAGIMOV NAIL' GABDULBARIEVICH, FADEEV VLADIMIR GELIEVICH, GAREEV RAVIL' MANSUROVICH, SHAMMASOV RAFAEHL' MAVLAVIEVICH
Format:	Patent
Sprache:	eng ; rus
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:	FIELD: pipeline transportation. ^ SUBSTANCE: invention is referred to field of pipeline transportation and can be used in a pipe lines construction in the oil-extracting and petrochemical industry, and also in housing and communal services system. Into a metallic tube a polymer shell is injected, the shell ends is affixed to a tube by pinching collars by radial strain of collars. For facing the shell with the external diameter exceeding an inside diameter of a tube is used. Before inputting in a tube the shell is stretched in an axled direction until its external diameter does not become less than inside diameter of a tube, then a shell extension is taken out, therefore its external diameter is elastically restored and the shell tightly fit to an internal surface of a tube. ^ EFFECT: improvement of quality of tubes facing. ^ 3 dwg