Pipes and tubular conduits – Repairing – Patches
Reexamination Certificate
2007-05-09
2009-12-08
Hook, James F (Department: 3754)
Pipes and tubular conduits
Repairing
Patches
C138S097000, C405S150100, C405S184200
Reexamination Certificate
active
07628177
ABSTRACT:
The invention comprises a lateral interface pipe repair device containing a housing with fluid sealable flexible walls dimensioned to fit within a main pipe and further comprising a first end and a second end wherein the first end and second end are held in fixed orientation by support rods and end plates external to the flexible housing. The device also includes a bladder mounting flange fluid sealably attached to the flexible housing wall, and a heatable and inflatable elastomeric bladder dimensioned to fit within the housing when the bladder is deflated and evertable through the bladder mounting flange into a lateral pipe when inflated.
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patent: 2007/0261222 (2007-11-01), Lepola
Energy Maintenance Service I LLC
Hook James F
McEwing David
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