FIELD: machine building.
SUBSTANCE: here is disclosed flexible heat insulated pipe with at least one internal water transported channel, layer of heat insulation enveloping water transporting channels, and also with corrugated external casing of thermo-plastic polymer. Walls of the water transporting channels are made of thermo-resistant elastomer, while an external casing has thickness not more, than 5 mm. Corrugations have depth D/10-D/4 and pitch D/30-D/10, where D is external diametre of an external pipe taken by tops of corrugations.
EFFECT: improved flexibility of pipe and its increased thermo-resistance.
| Title | Year | Author | Number |
|---|---|---|---|
| AUTOMATED SOLAR COLLECTOR OF ECONOMY CLASS | 2014 |
|
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| LIGHTING PLANT (VERSIONS) AND LIGHTING ELEMENT THEREOF | 2006 |
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RU2557811C2 |
