FIELD: mechanical engineering.
SUBSTANCE: invention relates to mechanical engineering, in particular concerns reinforced high-pressure hoses with a sealing elastomeric inner shell, a metal nipple, power and bandage layers. The metal nipple of the sleeve contains annular projections placed concentrically on the surface of a thin-walled shell having the shape of a truncated cone with an annular platform across the axis of the nipple outwards. The invention can be used for the production of high-pressure hoses, for example, for the oil and gas industries.
EFFECT: ease of fabrication, reliability, and possibility of replacing high-pressure metal hoses with PCM hoses, including flexible ones that can work at an internal pressure of 100 MPa or more.
1 cl, 2 dwg
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