Patent ID: 7628177
Filing Date: 2009-12-08
Classification: F16L

Abstract:
1. An in situ main pipe lateral interface pipe repair device comprising: (a) a housing comprising an inner annulus and fluid inflatable flexible walls and further comprising a first end and a second end wherein the first end and second end are held in fixed orientation by a plurality of support rods on the outside of the housing and protecting the housing and the support rods extending to housing end plates; (b) a bladder mounting flange fluid sealably attached to the flexible housing wall; (c) an electrically heatable and fluid inflatable bladder removeably attached to the mounting flange and dimensioned to fit within the housing when the bladder is deflated and evertable through the bladder mounting flange into a lateral pipe when inflated; (d) at least one inflatable actuator bladder fitting over the flexible housing wall and to hold the device in the main pipe; (e) a stiff deformable support base placed over the actuator bladder; (f) an electrically heated component placed over the support base that can be pressed and heat a repair material brim against the wall of the main pipe.