DEVICE FOR COATING TUNNEL WALLS

摘要

The invention relates to an apparatus for coating the inner surface of a tunnel section with sprayed concrete, comprising a spray lance b) (4) and a spray nozzle a) (7) which can each be moved in all directions by means of joints, a first control device k) for the operation of the spray lance b) (4) and a second control device l) for the operation of the spray nozzle a) (7) being provided.