Apparatus for lining an inside wall of a sewer pipe

Details Apparatus for lining an inside wall of a sewer pipe Apparatus for lining an inside wall of a sewer pipe

1992-05-22

1994-05-10

Hornsby, Harvey C.

Pipes and tubular conduits

Repairing

Patches

138 97, 118306, 4051501, 425 97, 425104, F16L 55162

Patent

active

053099478

ABSTRACT:
An extruder drivable for displacement by moving devices is provided for sewer pipe reconstruction and has a radial nozzle applying by extrusion a thermoplastic tube to the inside wall of a sewer pipe to be reconstructed. The thermoplastic tube is pressed against the inside wall by pressurized air and cooled down to form a lining pipe.

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patent: 4529008 (1985-07-01), Appleton
patent: 4950356 (1990-08-01), Grace
Stein and Niederehe, "Instandhaltung von Kanalisationen" (Sewerage System Maintenance), Ernst & Sohn Verlag, Berlin 1987, pp. 308-317.

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