Title:
REHABILITATION OF WATER SUPPLY PIPES
Document Type and Number:
WIPO Patent Application WO2000063605
Kind Code:
B1
Abstract:
Device for use in rehabilitation of water supply pipes includes a tubular liner (10) which is deployed through a pipe (11) for example by a line attached to a messenger pig which is propelled through the pipe. The liner (10) has a multi-lobed pleated cross section, and is of a polyolefin elastomer material, e.g., a substantially linear ethylene inter-polymer. The liner is extruded and die drawn during extrusion to produce a reduced diameter highly oriented structure.
Inventors:
CONNOR RAYMOND (GB)
DANIELS SIMON (GB)
DANIELS SIMON (GB)
Application Number:
PCT/EP2000/004174
Publication Date:
November 30, 2000
Filing Date:
April 14, 2000
Export Citation:
Assignee:
SUEZ LYONNAISE DES EAUX (FR)
CONNOR RAYMOND (GB)
DANIELS SIMON (GB)
CONNOR RAYMOND (GB)
DANIELS SIMON (GB)
International Classes:
B29C48/13; B29C63/34; F16L55/165; (IPC1-7): F16L55/165
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