Pipe threading arrangement

Details Pipe threading arrangement Pipe threading arrangement

H - Electricity

02

G

H02G 1/08 (2006.01) G02B 6/44 (2006.01)

Patent

CA 2318773

A pipe threading arrangement includes a launch body (13) and a parachute (15) within tube (12). The parachute is launched into pipe (2) via slide valve (1) and brings with it a threading cable (19). At a remote location within the pipe (2) the parachute is stopped by a catch arm (8) with associated catch finger (5). The parachute is deflated and retrieved, together with the threading cable, via the slide valve into the catch body (4).

L'invention concerne un ensemble guide-tuyau comprenant un dispositif de lancement (13) et un parachute (15) à l'intérieur d'un tube (12). Le parachute est projeté dans un tuyau (2) grâce à un distributeur à tiroir (1), ce parachute entraînant avec lui un fil de guidage (19). Ce parachute est ensuite immobilisé, à un emplacement éloigné à l'intérieur dudit tuyau (2), par un bras de blocage (8) pourvu d'un doigt de blocage (5). Ce parachute finit par se dégonfler avant d'être retiré, avec ledit fil de guidage, par l'intermédiaire du distributeur à tiroir situé dans le dispositif de blocage (4).

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