| 摘要 |
The present invention relates to a method of checking a flexible line comprising at least one armour layer (24, 25) surrounded by an external sheath (30), the external sheath (30) delimiting an internal space (33) receiving the armour layer (24, 25) and comprising at least one medium (M) at the interface between the external sheath (30) and the internal space (33). The method comprises: - the dispatching of an ultrasound signal over a region to be checked of the external sheath (30), and - the receiving of the signal reflected at the interface between the region to be checked of the external sheath (30) and the internal space (33) opposite the region to be checked of the external sheath (30). The method comprises, furthermore, the analysis of the polarity of the signal reflected and the determination, as a function of the polarity analysed, of at least the nature of the medium (M) at the interface. |
