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发明公开
CN107000309A 给管状结构加衬里的方法 有权

给管状结构加衬里的方法
摘要：
使用塑料衬里管给管状结构加衬里的方法，包括以下步骤：通过使衬里管穿过辊系统来暂时地缩小衬里管的外直径；一旦衬里管的外直径已经缩小，则将衬里管冷却，并施加热约束；将衬里管运输到远离辊系统的安装现场；去除所述热约束；以及在所述安装现场将衬里管安装在所述管状结构中。
摘要（英）：

Method of lining a tubular structure with a plastics liner pipe comprising the steps of: -temporarily reducing an outside diameter of the liner pipe by passing the liner pipe through a roller system; -cooling the liner pipe once its outside diameter has been reduced and applying a thermal restraint; -transporting the liner pipe to an installation site remote from the roller system; -removing said thermal restraint; and -installing the liner pipe in said tubular structure at said installation site.

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