F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 55/10 (2006.01) F16L 55/105 (2006.01) F16L 55/12 (2006.01) F16L 55/124 (2006.01)
Patent
CA 2440828
A pipeline isolating device for istallation into and occlusion of a pressurised liquid or fluid supply pipe comprising a substantially solid and deformable boot (1) wich is adapted to move between an expanded and an unexpanded state and a shaped plunger (2) adapted to move into and out of said boot (1) wherein the boot (1) has a hollow interior (3) with a displacement contour (6) adapted to receive and cooperate with said plunger (2) so as to cause said boot (1) to move between said expanded state when the plunger (2) is inserted into said hollow interior (3) of the boot (1) and said unexpanded state when said plunger (2) is withdrawn from the interior (3) of the boot (1).
L'invention concerne un dispositif d'isolation de pipeline destiné à être installé dans un tuyau d'alimentation en fluide ou en liquide sous pression et à fermer ledit tuyau. Ce dispositif comprend une gaine (1) sensiblement solide et déformable qui est conçue pour passer d'un état expansé à un état non expansé et un plongeur profilé (2) conçu pour pénétrer dans la gaine (1) et en sortir. Ladite gaine (1) présente un intérieur creux (3) pourvu d'un contour de déplacement (6), lequel intérieur est conçu pour recevoir ledit plongeur (2) et coopérer avec ce dernier de façon à entraîner le passage de la gaine (1) de l'état expansé lorsque le plongeur (2) pénètre dans l'intérieur creux (3) de la gaine (1) à l'état non expansé lorsque le plongeur (2) se retire de l'intérieur (3) de la gaine (1).
Burlock Richard
Evans Craig
Ed Evans Holdings Pty Ltd.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Yarra Valley Water
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