F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 55/18 (2006.01) F16L 55/165 (2006.01)
Patent
CA 2199206
A pushing device comprising a frame supporting at least one powered train of wheels the drive surface of which is made from rubber for driving a plastics tubing through friction and for imparting thereto a continuous motion inside of a metal piping to be renovated, the invention being applicable to the renovation of systems of fluid-conveying buried metal pipings.
Dispositif de poussée comprenant un bâti qui supporte au moins un train motorisé de roues dont la surface d'entraînement est faite de caoutchouc pour entraîner un tubage de plastique par frottement et lui donner un mouvement continu à l'intérieur d'une tuyauterie métallique à rénover, l'invention s'appliquant à la rénovation de réseaux de tuyauterie métallique enfouie acheminant un fluide.
Berger Yves
Marcout Alain
Teillaud Marcel
Gaz de France
Mcfadden Fincham
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