FIELD: hydraulic equipment.
SUBSTANCE: invention relates to a winding sleeve with at least one polymer tape spirally twisted forming a sleeve body and with at least two reinforcing spirals. At least one first reinforcing spiral, along its perimeter, is completely immersed in the sleeve body. At least one second reinforcing spiral is located on the outer surface of the sleeve body and, along its perimeter, is immersed in the sleeve body by less than 50%. The radial thickness of the first reinforcing spiral is more than three times greater than the radial thickness of the sleeve body on the inside of the sleeve below the first reinforcing spiral, and at least twice as large as the radial thickness of the sleeve body on the outside of the sleeve above the first reinforcing spiral.
EFFECT: sufficient flexibility of the winding sleeve and stability against external mechanical impact and internal pressure are provided.
13 cl, 4 dwg
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