Machine for laying pipes on sea bed comprises long floating hull moored so that current is channelled through nozzles in its base, producing ditch into which pipe is laid

摘要

The machine for laying pipes on the sea bed (4) comprises a long floating hull (1). This is moored so that the current is channelled through nozzles (5) in its base. This produces a ditch (6) into which the pipe (8) is laid, e.g. by opening a valve (10) so that the hull sinks.