Repair of holes and cracks in clay sewer pipe

Pipes and tubular conduits – Repairing

Patent

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Details

138 98, 264 36, F16L 5518

Patent

active

046013121

ABSTRACT:
The repair of a sewer line having a fracture, and employing a liner sleeve and an elastomer sleeve extending about the line sleeve, and a filler slurry, includes:

REFERENCES:
patent: 3168909 (1965-02-01), Zurbrigen et al.
patent: 3834421 (1974-09-01), Daley
patent: 3834422 (1974-09-01), Larson
patent: 4026329 (1977-05-01), Thompson
patent: 4077435 (1978-03-01), Van Scoy
patent: 4245970 (1981-01-01), Onge

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