Inversion liner assist adapter
AssigneePipe Restoration LLC
InventorsRichard Andrew Fast, Christopher Mark Finnell
Life of this patent
Estimating the term…
Abstract
A cured-in-place pipe rehabilitation device launcher having a launcher assembly and a liner assist chamber, the launcher assembly includes a nozzle, an air feed chamber above the nozzle to pressurize a cured-in-place liner to aid in urging it into a pipe to be rehabilitated, and an attachment plate is disposed above the adapter. The liner assist chamber includes a base plate to attach to the attachment plate, a liner assist frame coupled to the base plate, a plurality of rollers rotationally attached to the liner assist frame, and a motor operably attached to at least one of the plurality of rollers and configured to aid in urging the cured-in-place liner into the pipe.
Claims20
A cured-in-place pipe rehabilitation device launcher, comprising:
- a pressure vessel having an outlet end;
- a liner assist module removably combined with the pressure vessel, the liner assist module comprising:
- a module base plate for attaching to the pressure vessel;
- a frame attached to the module base plate;
- a first roller rotationally attached to the frame adjacent to the module base plate and defining a liner insertion plane;
- a second roller extending parallel with the first roller and offset from the liner insertion plane;
- a third roller extending parallel with the first and second rollers and offset from the liner insertion plane on the opposite side of the liner insertion plane as the second roller;
- a pair of rollers extending parallel with the first roller and farther away from the first roller than the second roller and the third roller, the pair of rollers disposed on either side of the liner insertion plane.
A cured-in-place pipe rehabilitation device launcher, comprising:
- a launcher assembly comprising:
- a pressure vessel having an outlet end and an air feed chamber disposed above the outlet end and configured to pressurize a cured-in-place liner to aid in urging the cured-in-place liner into a pipe to be rehabilitated;
- a liner assist module comprising:
- a module base plate configured to attach to the pressure vessel;
- a frame coupled to the base plate;
- a plurality of rollers rotationally attached to the frame;
- a motor operably attached to at least one of the plurality of rollers and configured to aid in urging the cured-in-place liner into the pipe.
Dependencies are inferred from the claim text.