Lining material for pipe lines

Details Lining material for pipe lines Lining material for pipe lines

B - Operations, Transporting

32

B

189/45

B32B 5/08 (2006.01) B32B 1/08 (2006.01) D03D 1/00 (2006.01) D03D 3/02 (2006.01)

Patent

CA 1279022

S P E C I F I C A T I o N TITLE: A lining material for pipe lines ABSTRACT OF THE DISCLOSURE A lining material for pipe lines utilizable in a pipe- lining method wherein a tubular lining material with a bin- der on the inner surface thereof is inserted into the pipe lines and is allowed to advance within the pipe lines while evaginating the tubular lining material under fluid pressure thereby pressing the tubular lining material against the inner surface of the pipe lines with the binder being inter- posed between the lining material and the pipe lines, which material comprises a tubular textile jacket, a layer of bulky yarns fastened to one surface of the tubular textile jacket, and an air-impervious layer made of a rubber or a synthetic resin and bonded to the other surface of the tubu- lar textile jacket, characterized in that the bulky yarns are sufficiently thicker than the yarns constituting the tubular textile jacket. This lining material is suitable for reinforcing or repairing various types of pipe lines buried in the ground and possesses earthquake-resistance and shape-maintaining property against external pressure in addition to the characterisitics required for conventional lining materials.

565885

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