| 摘要 |
A flexible hose comprising a lining layer of substantially impermeable material, a reinforcement structure comprising at least one balanced pair of helically extending reinforcement members embedded in elastomeric material to withstand internal pressure and axial tensile loadings, and radially inwards of at least the reinforcement structure a crush resisting armouring layer comprising at least two helical reinforcing elements nested together and shaped such that contacting surfaces of the elements between the successive turns of the helices are of a substantially frusto-conical shape. |
