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US 2013/0154163 A1Published application
Method and apparatus for repairing the wall of a manhole
AssigneeLMK Technologies, LLC
InventorLarry W. Kiest, JR.
Life of this patent
Estimating the term…
Abstract
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.
Claims26
A method of repairing a wall of a manhole, comprising:
- positioning a liner impregnated with a material that cures and hardens with exposure to a light;
- pressing the liner against the wall of the manhole;
- and
- introducing light in the manhole to cure and harden the material.
1 more element
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.
1 more element
A kit for repairing a wall of a manhole, comprising:
- a resin-absorbent liner;
- a material for impregnating into the liner, the material capable of curing with exposure to a light;
- a bladder configured to be positioned at least partially within the liner for expanding the liner against the wall of the manhole;
- and
- a light source configured to cure the material impregnated in the liner.
2 more elements
Dependencies are inferred from the claim text.