Patent ID: 7090746

Claim:
A device for removing water from a mechanical pulp, chemical pulp or paper sheet comprising: top and bottom wires converging in a wedge shape in a wire running direction and thereby defining a first dewatering zone having inlet and outlet ends; a headbox disposed at the inlet end of the first dewatering zone for feeding the mechanical pulp between the top and bottom wires, chemical pulp or paper sheet between the top and bottom wires; at least one suction box disposed at each of the top and bottom wires downstream of and proximate to the outlet end of the first dewatering zone, each suction box having a suction opening facing a one of the wires, the suction opening and the wire forming an inlet duct extending opposite to the wire running direction, at least one inlet duct located upstream of a suction opening; and a vacuum source in fluid communication with the suction box.