Pipeline repair method

Details Pipeline repair method Pipeline repair method

1990-12-03

1993-04-06

Stoll, Robert L.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

264 465, 264262, B32B 3100

Patent

active

H00011630

ABSTRACT:
A method for repairing corroded steel pipelines. Sections of fiberglass pipe are joined by means of internal collars to provide a length of pipe liner. The liner is inserted into a section of pipeline to be repaired. A hardening polymer, such as polyurethane elastomer, is then pumped into the annular space between the fiberglass pipe liner and the steel pipeline and allowed to cure in place.

REFERENCES:
patent: 3402731 (1968-09-01), Martin
patent: 4049480 (1977-09-01), Kutschke

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