FIELD: construction.
SUBSTANCE: mandrel for manufacturing a corrugated composite pipe contains a pneumatic chamber connected to a pipeline through a control device with a working medium supply line, an electric drive, and a control device. It also includes a winding unit with a coil driven by an electric drive, a unit for spreading and impregnating the outer sleeve with a thermosetting organic compound, a curing unit containing a winding device consisting of longitudinally arranged cylindrical elements and equipped with a heat chamber.
EFFECT: obtaining a bent corrugated composite pipe from the inside and outside for a strong plug-in permanent connection of sections of a reinforced concrete column.
2 cl, 3 dwg
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