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Publication of DK577187D0publicationCriticalpatent/DK577187D0/en
Publication of DK577187ApublicationCriticalpatent/DK577187A/en
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Publication of DK168241B1publicationCriticalpatent/DK168241B1/en
In a pipe for lining underground pipelines, which is of composite type having a circumferentially rigid corrugated outer wall 10 made of polymer material, which is attached to the outside of an inner wall 11, the inner wall 11 can, as such or after heating, and while maintaining the circumferential rigidity of the outer wall 10, be stretched and/or compressed when the composite pipe is bent. <IMAGE>
DK577187A1986-03-041987-11-03Pipe for lining underground pipelines
DK168241B1
(en)
Concrete pipe having a corrosion resistant inner lining, suitable pipe connection pieces and sealing arrangements integrated into the end pieces of the pipes