F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 11/133 (2006.01) F16L 33/20 (2006.01) F16L 39/02 (2006.01)
Patent
CA 2739312
Arrangement for a hose system (11) comprising an inner main hose (12) and an outer cover hose (13) delimiting a ring shaped air filled volume (14) designed to make the hose bouyant in water. At least at one end there is a connector (15) attached to the main hose as well as the cover hose, and which at its free end is attached to, or integrated with, connector part (16) for connection of the hose system (11) to an external system. The connector (15) comprises: - an inner sleeve (22), to which the end of the main hose (12) is attached to, as the inner sleeve (22) by its free end (26) is equipped with an element, in particular threads, for connection to a pipe system - an outer sleeve (16) with to which the end of the cover hose is attached - a connector element (30) for connecting the inner sleeve (22) detachably to the outer sleeve (16), and a connection between the two hose parts (12, 14) comprising a one way valve which allows draining the outer hose (14) to the main hose (12).
L'invention concerne un système de tuyau (11) comprenant un tuyau principal intérieur (12) et un tuyau de couverture extérieur (13) délimitant un volume (14) annulaire rempli dair permettant au tuyau de flotter dans leau. A au moins une extrémité du tuyau se trouve un raccord (15) se fixant à la fois au tuyau principal et au tuyau de couverture et qui à son extrémité libre est fixé ou intégré à la partie (16) du raccord pour assurer la connexion du système de tuyau (11) à un système extérieur. Le raccord (15) comprend: un manchon intérieur (22) auquel est fixée lextrémité du tuyau principal (12) et dont lextrémité libre (26) est pourvue d'un élément, en particulier un filetage, permettant de le raccorder à un système de tuyau; un manchon extérieur (16) auquel est fixée lextrémité du tuyau de couverture; un élément de raccord (30) reliant réversiblement le manchon intérieur (22) au manchon extérieur (16); et une connexion entre les deux parties du tuyau (12, 14) munie dun clapet antiretour permettant de vider le tuyau extérieur (14) dans le tuyau principal (12).
Safehose Holding As
Sim & Mcburney
LandOfFree
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