Double walled tube with leak display device

F - Mech Eng,Light,Heat,Weapons – 16 – L

Patent

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Details

F16L 11/12 (2006.01) G01M 3/28 (2006.01)

Patent

CA 2360498

The invention relates to a tube arrangement, comprising at least the following components: a flexible double casing tube, with an inner tube (1) and an outer tube (2), forming a ring gap (3) which opens out into a widened cavity (43), in the vicinity of their ends; a connector (4), arranged at each end of the double casing tube, comprising a flange (42) and a fitting which, in the vicinity of the end of the outer tube (2) and of the cavity (43), has a first annular ring (6) and in the vicinity of the end of the inner tube (1), a second annular ring (5), a dividing chamber (10), between the flange (42) and the first annular ring (6) which is surrounded by a chamber enclosure (11), said chamber (10), furthermore, is connected to the cavity (43) and a drilling (12) exists in the chamber enclosure (11); a signal transmitter, which is arranged at each end of the tube, in the vicinity of the fitting, each one being connected to the drilling in the chamber enclosure by means of a connector opening. According to the invention, the first signal transmitter is an inflatable container and the second signal transmitter is a lamp with light sticks. Possible embodiments of the tube arrangement, which are of advantage, are disclosed.

L'invention concerne un système de tuyau comprenant au moins les éléments suivants : un tuyau flexible à double paroi constitué d'un tuyau interne (1) et d'un tuyau externe (2) formant un espace annulaire (3) qui se transforme, dans la zone des extrémités du tuyau, en un interstice élargi (43), une tubulure (4) placée à chaque extrémité du tuyau à double paroi et constituée d'une bride (42) et d'une garniture qui comprend, dans la zone terminale du tuyau externe (2) et de l'interstice (43), un premier bourrelet annulaire (6) ainsi que, la plupart du temps, dans la zone terminale du tuyau interne (1) un deuxième bourrelet annulaire (5) et qui est pourvue d'une chambre (10) en forme de fente située entre la bride (42) et le premier bourrelet annulaire (6), entourée d'un revêtement de chambre (11) et reliée à l'interstice (43), un trou (12) étant en outre pratiqué dans le revêtement de chambre (11), - ainsi qu'un émetteur de signaux placé à chaque extrémité du tuyau dans la zone de garniture et relié au trou dans le revêtement de chambre au moyen d'une ouverture de connexion. Selon l'invention, le premier émetteur de signaux est un contenant gonflable et le deuxième émetteur de signaux est une lampe à barres lumineuses. L'invention concerne également des modes de réalisation avantageux du système de tuyau selon l'invention.

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