Method of and apparatus for repairing a leak in a pipe or pipeli

Details Method of and apparatus for repairing a leak in a pipe or pipeli Method of and apparatus for repairing a leak in a pipe or pipeli

1982-07-21

1984-04-10

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Repairing or restoring consumer used articles for reuse

249 90, 249 95, 264465, 264219, 264262, B29C 102

Patent

active

044420536

ABSTRACT:
A flexible wrapping is adapted to fit around a section of pipe or pipeline requiring repair. The wrapping has inner and outer skins and a plurality of tags for limiting the separation between the skins. The wrapping is sealed in position around the pipe or pipeline by means of straps. A mould forming material is introduced through a filler into the space between the skins and then allowed to solidify. A sealant is then introduced under pressure through an injector into the mound space between the inner skin and the pipe or pipeline. A pressure gauge indicates the pressure in the mould space. Gases may escape from the mould space through a vent. The invention provides a method of and apparatus for repairing a leak in a pipe or pipeline.

REFERENCES:
patent: 3563234 (1971-02-01), Umstead
patent: 3782390 (1974-01-01), Johnson
patent: 4323526 (1982-04-01), Hilbush

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