Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,...
Patent
1995-11-24
1997-09-09
Graysay, Tamara L.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
138 97, F16L 5516
Patent
active
056649126
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: 5527133 (1996-06-01), Csillag
Farber Martin A.
Graysay Tamara L.
Lubman Frederick
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