Method for repairing local damage to pipelines by applying cladd

Pipes and tubular conduits – Repairing – Patches

Patent

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138167, F16F 5518

Patent

active

053459725

ABSTRACT:
A method for repairing local damage to pipelines by applying a cylindrical cladding consisting of two cylindrical half-shells welded together to create an interspace, which is sealed by applying gaskets forced against the circular edges of the cladding, after which resin is injected into the interspace at high pressure.

REFERENCES:
patent: 1568268 (1926-01-01), Clark et al.
patent: 1877094 (1932-09-01), Walborn
patent: 1940729 (1933-12-01), Pfefferle
patent: 1964642 (1934-06-01), McCoy
patent: 2188302 (1940-01-01), Pfefferle
patent: 2785912 (1957-03-01), Risley et al.
patent: 3002772 (1961-10-01), Schustack
patent: 3396753 (1968-08-01), Foster et al.
patent: 3954288 (1976-05-01), Smith
patent: 4111234 (1978-09-01), Wells et al.
patent: 4603893 (1986-08-01), Takahashi
patent: 4673122 (1987-06-01), Dubey

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