04009063 is referenced by 170 patents and cites 10 patents.

A method of lining a passageway with a hard, rigid pipe of thermosetting resin, wherein a tubular fibrous felt is immersed in the resin to form a carrier for the resin. The immersed felt and resin have an inflatable tube therein and this tube is inflated to shape the resin to the passageway surface. The resin is cured to form the hard, rigid lining pipe with the felt embedded therein.

Title
Method of lining a pipe
Application Number
282071
Publication Number
4009063
Application Date
January 29, 1975
Publication Date
February 22, 1977
Inventor
Eric Wood
Ossett
EN
Agent
Harrington A Lackey
Assignee
Insituform
EN
IPC
E03B 7/00
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