发明名称 Vertical pipe lining method and system
摘要 The invention discloses a vertical pipe lining method comprising placing a repair material having a first end and a second end into a pipe having a bottom opening and a top opening. The repair material is inflated to press the repair material against the inside wall surface of the pipe; and heated air is conveyed through the inflated repair material from the bottom opening to the top opening to cure or mold a thermal responsive component of the repair material to the pipe. The invention also teaches a repair material for vertically oriented pipes comprising a multi-layered lining comprising a first outer layer and a second inner layer wherein the first outer layer comprises a resin impregnated fiber and the second inner layer is air impermeable. The invention also teaches a system for repairing. vertical pipe utilizing a repair material inflation device, an air blower and an air heater.
申请公布号 US7527076(B2) 申请公布日期 2009.05.05
申请号 US20060334578 申请日期 2006.01.18
申请人 ENERGY MAINTENANCE SERVICE GROUP I LLC 发明人 LEPOLA WILLIAM;KNOPPEL KENTON L
分类号 F16L55/16 主分类号 F16L55/16
代理机构 代理人
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