Pipes and tubular conduits – Repairing – Patches
Patent
1994-06-22
1997-05-13
Scherbel, David
Pipes and tubular conduits
Repairing
Patches
138 97, 405154, 156287, F16L 5518
Patent
active
056283458
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), Remand
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 International (Barry Bros.).
Ecoliner Brochure The New Short to Medium Length Repair System For Sewers And Drains.
American Pipeline Supply, Corp.
Brinson Patrick F.
Scherbel David
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