F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 55/16 (2006.01) F16L 55/165 (2006.01) F16L 55/18 (2006.01)
Patent
CA 2112022
The invention relates to a flange (33) which can be connected to a length of pipe which is to be renewed (ia) and which comprises a series of separable disc-shaped elements individually constituted by a plurality of parts. Sealing-tight gaskets are interposed with a clamping effect between two element parts and between two adjacent disc-shaped elements. By means of a terminal flange element (33e) it is possible also to place at the end of the flange a monitoring device or a counter-flange (77) for guiding a casing pipe (35). The flange may be dismantled when casing is completed. The invention is applied particularly to the renewal of gas pipes.
Berger Yves
Berland Michel
Marcout Alain
Teillaud Marcel
Adams Thomas
Gaz de France (societe National)
Gdf Suez
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