Connection system for connecting equipment to underwater cables

Details Connection system for connecting equipment to underwater cables Connection system for connecting equipment to underwater cables

G - Physics

01

V

G01V 1/20 (2006.01) B63B 21/66 (2006.01) F16L 1/16 (2006.01) G01V 1/38 (2006.01)

Patent

CA 2378224

A connection system for connecting external devices to specified locations on a marine seismic streamer. Inner collars are clamped to the cable at specified locations along its length. Each inner collar forms a circular race encircling the cable. A cuff attached to an external device is in the form of a C-shaped cylindrical ring with a circular inner surface. A throat is formed in the ring by a gap, which extends the full length of the cuff across the ends of the C. The spacing between the ends of the C across the throat defines the width of the gap, which is slightly larger than the diameter of the cable so that the cuff can be slipped over the cable through the throat, and which is smaller than the diameter of the circular race so that, when the cuff is slid into position on the race, the cuff cannot be removed radially.

L'invention concerne un système de raccord qui sert à fixer des dispositifs extérieurs à des emplacements précis d'une flûte sismique marine. Des manchons internes sont fixés à des emplacements précis le long du câble. Chaque manchon interne forme un parcours circulaire encerclant le câble. Un bracelet fixé à un dispositif extérieur présente la forme d'une bague cylindrique en C comportant une surface intérieure circulaire. Une gorge formée dans la bague par le gaz s'étend sur toute la longueur du bracelet, d'une extrémité à l'autre du C. L'écartement entre les extrémités du C barrant la gorge délimite la largeur de l'espace, laquelle est légèrement plus grande que le diamètre du câble pour que le bracelet puisse coulisser sur le câble à travers la gorge, et légèrement plus petite que le diamètre du parcours circulaire afin que le bracelet ne se déplace pas radialement lorsqu'on le coulisse pour le mettre en position sur le parcours.

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