METHOD FOR PRODUCING AN UNDERWATER PIPE

Malaysia

PATENT NO 173803
SERIAL NO

PI2015001341

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Abstract

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A method for producing a tubular underwater pipe including: assembling a structure of peripheral metal elements (3A, 38, 3C) wound in an S-Z configuration about a central flexible core (1) as the core is driven in movement along its longitudinal axis; providing an inductive sensor (12) arranged for rotation about the central flexible core (1) in a manner synchronized with the longitudinal movement of the core so that the sensor scans the periphery of the structure opposite and in the immediate proximity of peripheral elements wound about the core and during the assembly step; using the sensor (12) to acquire measurement signals (S) of which the amplitude varies according to whether or not the sensor (12) is located opposite a peripheral element during the rotation of the sensor (12); and using the measurement signals to control the positioning of the assembled peripheral elements.

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