Device and method for repairing pipe

摘要

The invention relates towards a bladder tube having an open and a closed end. The closed end of the bladder tube is formed by folding a surplus portion of the bladder tube, inserting a grommet through the folded portion of the bladder tube, banding at least a portion of the surplus portion of the bladder tube, and passing at least a portion of the banding through the grommet. The banding may comprise a rope or other material that can be tied. An exhaust port may also be punched through the layers of the folded portion of the bladder tube to exhaust steam or other fluids.

主权项

1. A method for closing an end of a bladder tube to be used with a resin impregnated liner for the repair of an interior wall of a pipe, the method comprising:
folding a surplus portion of the bladder tube; inserting a grommet through the folded portion of the bladder tube; banding at least a portion of the surplus portion of the bladder tube; and passing at least a portion of the banding through the grommet.