Abstract

[Problem] To provide a means for a strip material (A) that can be spirally wound to construct a rehabilitated pipe, the means providing excellent conformability when an existing pipe has a corner portion or when an external force is applied to the new pipe body due to an earthquake or the like. [Solution] The strip material (A) comprises at least: an elongated belt portion 10; a fitting recess portion 20 provided at one end in the shorter direction on one surface side of the belt portion 10; a fitting projection portion 30 provided at the other end in the shorter direction on the one surface side of the belt portion 10; and a folded portion 50 provided midway along the shorter direction on the one surface side of the belt portion 10. A widening slit 60 is provided on the one surface side of the belt portion 10 between a connection part between the belt portion 10 and one end of the folded potion 50 and a connection part between the band portion 10 and the other end of the folded portion 50.

IPC Classes  ?

• B29C 63/32 - Lining or sheathing of internal surfaces using sheet or web-like material by winding helically