At least one pipe a partition opening provided in (3) (2) pipe is placed in (1), an outer peripheral region (5) and the guide opening for all pipes (8) the has a flange with a central region (7) having a flange (4) comprises a number of mounting holes, the flange (4) has an inner portion (9) and the inner part (9) and on the opposite side outer portion has a (10), the inner part (9) is adapted to abut on one surface of the partition (6), pipeline (1) is provided in each mounting hole (11) in have the coupling device, the coupling device includes an outer portion of the flange (10) operating member (22) provided on and mounting holes (11) the force transmission means having a shank (17) extending through the ( 15), by operation of the operating member (22) which is provided on the shank (17) of the force transmission means and the shank (17) displaceable clamping means along around the and / or the shank (17) (23), provided between the inner portion of the flange (9) and clamping means (23), the contact surface (18) that interacts with the clamping contact surface provided on the means (23) (18) and operating member (22 engagement structure and a, conduit having a displaceable engaging face (20) radially relative to the shank direction by the operation of).
.FIELD 2a