| 摘要 |
An easily bendable tubing for conducting two separate fluids, which tubing (18) comprises two laterally spaced flexible tubes (50, 52) which are spaced apart and kept together alongside each other by a connection (54) between them. On opposite sides of the tubing (18) there are provided, in the tube wall of each tube, transverse, spaced apart recesses (62) arranged at the side of each other in a respective row along each tube (50, 52). The recesses in each tube (50 or 52) are straight grooves (62) extending at right angles to the longitudinal axis (58 or 60) of the tube and are arranged at regular intervals along the tubes. These straight grooves are disposed in at least one plane parallel to and spaced from a plane containing the central longitudinal axes (58, 60) of the tube.
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