Remote-controlled insertion of sheathing in inaccessible manifol

Details Remote-controlled insertion of sheathing in inaccessible manifol Remote-controlled insertion of sheathing in inaccessible manifol

1993-05-10

1994-02-15

Coe, Philip R.

Pipes and tubular conduits

Repairing

138 93, 138 98, F16L 5518

Patent

active

052858170

ABSTRACT:
The new, remote-controlled installation of sheathing into inaccessible manifolds and junctions from subsidiary into main piping makes it possible to repair damaged intersections cheaply, rapidly and reliably, without the intersection having to be exposed by excavation. An application device (1), which is installed on a pipe-repairing machine, makes insertion of a lost sheathing (4) into the subsidiary piping (8) possible. The cavity (12) which comes about in this way between the sheathing (4) and the damaged part is subsequently sprayed with specially suited sealing mass by means of a high-pressure nozzle (13).

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