Method and apparatus for repairing ruptures in underground condu

Details Method and apparatus for repairing ruptures in underground condu Method and apparatus for repairing ruptures in underground condu

1989-08-23

1991-02-26

Taylor, Dennis L.

Hydraulic and earth engineering

Subterranean or submarine pipe or cable laying, retrieving,...

405303, 138 97, F16L 100, F16L 5518

Patent

active

049957619

ABSTRACT:
An apparatus and method are disclosed for repairing ruptures in underground conduits. An inflatable bladder and a flexible sleeve that is wrapped about at least a portion of the bladder are introduced into a conduit proximate a rupture therein. The bladder is inflated to urge the sleeve into engagement with the conduit such that the sleeve covers the rupture. The sleeve includes an adhesive bonding substance that adheres the sleeve to the conduit and is hardenable to bond the sleeve to the conduit.

REFERENCES:
patent: 2583316 (1952-01-01), Bannister
patent: 2672162 (1954-03-01), Braver
patent: 3195618 (1965-03-01), Lang et al.
patent: 3762446 (1973-10-01), Tungseth et al.
patent: 3830260 (1974-08-01), Baviello
patent: 3834421 (1974-09-01), Daley
patent: 4581085 (1986-04-01), Wood
patent: 4723579 (1988-02-01), Hyodo et al.

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