| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a novel regeneration method of an existing pipe and a double tube structure object, which can lay a regeneration pipe without following unevenness or meandering, to an existing pipe in which unevenness and meandering are produced in a pipe line. <P>SOLUTION: In the regeneration method of an existing pipe L in which a regeneration pipe S is formed by spirally winding a long strip member 100, and which lays the regeneration pipe S in a pipe line of the existing pipe L, a support member 1 is arranged in a depression part produced in a pipe line of the existing pipe L, and the regeneration pipe S is laid in the pipe line of the existing pipe L while supporting the regeneration pipe S by the support member 1. <P>COPYRIGHT: (C)2012,JPO&INPIT |
