| Abstract |
A cutter head (3) for a cutter suction dredger (1) intended to be mounted rotatably about a cutter head center axis with respect to a suction device (4) for sucking up material which has been cut loose by the cutter head from the bottom of a body of water (6), which cutter head comprises a base ring(7), a boss (8) located at a distance from the base ring in the direction of the center axis, as well as a plurality of arms (9) which extend from the base ring to the boss and are distributed at regular intervals in the peripheral direction, each of which arms has a series of teeth (12) located on the radially outermost parts (11) of the arm and directed outwards at an angle with respect to the peripheral direction, the direction of rotation of ... |