Griffioen Willem: Removing moisture from hollow guiding members such as cable ducts. Nederland Ptt, September 25, 1996: EP0734109-A1

With the object of removing moisture from a system of N >/= 2 elongated hollow guiding members (20) for cable-like elements (27), in the system a gas flow (G) is maintained. The gas flow is supplied to the system by way of a gas-supply opening (29) of a coupling-in number (23) coupled to first ends ...