EXHAUST AND/OR CONDENSATE PORT FOR CURED IN PLACE LINERS AND INSTALLATION METHODS AND APPARATUS
摘要
A process for porting air inflated flexible resin impregnated cured in place liner by pulling without loss of pressure is provided. A selectively openable bulkhead fitting is installed at the pull-in end. The filling may be installed in the end of a pull- in liner; on a porting sleeve or secured to an inflated pulled in or inverted liner. A port is formed through the bulkhead fitting by cutting a hole through the valve assembly. A steam fitting with an exhaust hose is coupled to the bulkhead fitting while maintaining pressure in the inflation bladder. Steam for curing the resin is then introduced into the inversion apparatus to cure the resin and is exhausted through the exhaust hose.
申请公布号
CA2597348(C)
申请公布日期
2012.09.04
申请号
CA20062597348
申请日期
2006.02.08
申请人
INSITUFORM (NETHERLANDS) B.V.
发明人
DRIVER, PAUL L.;COYNE, JOSEPH M.;DRIVER, FRANKLIN THOMAS;BAXTER, RICHARD P.