Method and Apparatus for Repairing the Wall of a Manhole

摘要

The present invention comprises a method and means for repairing the wall of a manhole wherein a material capable of curing and hardening is adhered to the wall. An expandable bladder engages the curable and hardenable material and presses against and smoothes the material. The bladder may be chemically bonded to the curable and hardenable material or it may be mechanically bonded.

主权项

1. A method for repairing a wall of a manhole, comprising:
applying a material capable of curing and hardening with exposure to a light to the wall of the manhole; positioning a translucent bladder at least partially within the manhole; expanding the bladder against the material on the wall of the manhole; introducing a light within the manhole to allow the material to cure and harden.