Point repair system for conduits

Details Point repair system for conduits Point repair system for conduits

1996-06-18

1998-03-17

Brinson, Patrick F.

Pipes and tubular conduits

Repairing

Patches

138 97, 156287, 405154, F16L 5518

Patent

active

057275971

ABSTRACT:
A repair system for repairing faults in a conduit. A protective skirt protects the leading edge of a repair sleeve on an inflatable mandrel. One or more straps hold the repair sleeve in position as the mandrel is inserted into the conduit. A release liner facilitates the removal of the mandrel from the repair sleeve after the resin in the repair sleeve has been cured. A calibrated hose within the mandrel provides a substantially constant temperature along the length of the mandrel.

REFERENCES:
patent: 4361451 (1982-11-01), Renaud
patent: 5042532 (1991-08-01), Gilleland
patent: 5049003 (1991-09-01), Barton
patent: 5199463 (1993-04-01), Lippiatt
patent: 5203377 (1993-04-01), Harrington
patent: 5280811 (1994-01-01), Catallo et al.
patent: 5322653 (1994-06-01), Muller
patent: 5423352 (1995-06-01), Sigel
patent: 5423630 (1995-06-01), Imoto et al.
Subterra Limited Brochure: Remote-Line Epoxy-Resin Impregnated Glass Fibre Patch Repair System.
Avanti Internationl (Barry Bros.) Econoline Brochure: The New Short to Medium Length Repair System for Sewers and Drains.

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