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    • 7. 发明申请
    • INSTALLATION OF CURED IN PLACE LINERS WITH AIR AND FLOW-THROUGH STEAM TO CURE
    • 安装在具有空气和流量的蒸汽的地板衬里固化
    • WO2006052539A2
    • 2006-05-18
    • PCT/US2005/039470
    • 2005-11-02
    • INSITUFORM (NETHERLANDS) B.V.INSITUFORM HOLDINGS (UK) LIMITEDINA ACQUISITION CORP.DRIVER, Franklin, ThomasWANG, WeipingCOYNE, Joseph, M.
    • DRIVER, Franklin, ThomasWANG, WeipingCOYNE, Joseph, M.
    • F16L55/1651Y10T156/1084
    • A process for lining an existing pipeline or conduit with a flexible resin impregnated cured in place liner by pulling in the liner and inflating a resin impregnated inflation bladder with air and curing the liner with flow-through steam without loss of pressure is provided. The liner includes a resin absorbent material in tubular form with an impermeable membrane forming an outer layer. The inflation bladder also includes a resin absorbent material in tubular form with an impermeable membrane forming an outer layer and an exhaust assembly at the trailing end and is passed through a pressurized inversion apparatus into the collapsed liner. As the bladder reaches the distal end, the exhaust assembly exits the everting bladder and is coupled to an exhaust hose. Steam is then introduced the inversion apparatus to cure the resin and is exhausted through the exhaust tube. After cure, steam is replaced with air to cool the liner and the ends are cut to restore service through the host pipe.
    • 提供了一种利用柔性树脂浸渍的已固化的固定衬垫来拉动内衬并用空气使树脂浸渍的充气囊膨胀并且在不损失压力的情况下固化衬管的过程。 衬垫包括管状形式的树脂吸收材料,其中形成外层的不渗透膜。 膨胀囊还包括管状形式的树脂吸收材料,其中形成外层的不可渗透膜和在尾端处的排气组件,并且通过加压的反转装置进入塌缩的衬里。 当膀胱到达远端时,排气组件离开退缩气囊并且联接到排气软管。 然后将蒸汽引入反转装置以固化树脂,并通过排气管排出。 固化后,用空气代替蒸汽以冷却衬管,并且端部被切割以通过主管恢复使用。