| 摘要 |
A flexible hose comprising a main fluid retaining carcass and a secondary carcass enclosing at least part of the main carcass, said secondary carcass being constructed to expand radially relative to said main carcass on leakage of fluid from said main carcass. Said hose includes means to control the radial expansion of said secondary carcass in a predetermined manner; said means may comprise localized bonding of said main and secondary carcasses and/or localized circumferential reinforcement of the secondary carcass.
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