Tool for a sewer robot

Details Tool for a sewer robot Tool for a sewer robot

1994-08-17

1996-06-18

Bagnell, David J.

Hydraulic and earth engineering

Subterranean or submarine pipe or cable laying, retrieving,...

138 97, F16L 5516

Patent

active

055271332

ABSTRACT:
The tool has a sheathing plate (34) having an outlet opening (39) for a spackling composition, to which outlet opening (39) a pressure line (12) for the forcing-in of a sealing composition can be connected. In order to reduce the time required for the repair process, there is provided, alongside the outlet opening (39), a second opening (43) which is closed off in air-tight and pressure-tight manner by an elastically deformable flat-shaped article (53) which can be inflated in the manner of a balloon; a chamber (50) adjoining the second opening (43) on the rear side; and the chamber (50) can be connected to a source of pressure in order to inflate the flat-shaped article (53) in the manner of a balloon.

REFERENCES:
patent: 4728223 (1988-03-01), Rice
patent: 5040922 (1991-08-01), Himmler
patent: 5285817 (1994-02-01), Sigel

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