FIELD: pipeline engineering.
SUBSTANCE: pipe comprises polymeric tube whose wall has a given thickness, inner side, and outer side. The opening passes throughout the length inside the wall of the polymeric tube. The longitudinal stiffening rib is positioned in front of the opening and projects into the pipe. The opening receives the solid wire coated with a material that prevents adhesion of the polymeric melt to the wire. A method of joining pipes is proposed.
EFFECT: enhanced reliability.
cl, dwg
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| HEAT-RESISTANT WIRE OR CABLE WITH IMPROVED OPERATIONAL PROPERTIES | 2009 |
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| MANUFACTURING METHOD OF SHIELDING OF ELECTRIC WIRE FROM TWISTED FIBRES WITH CORES | 2008 |
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RU2336586C1 |
| HIGH TEMPERATURE INSULATING TAPE AND WIRE OR CABLE SHEATHED THEREWITH | 2012 |
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RU2604234C2 |
