A paper or board machine having a double-felted first press nip and a double-clothed second press nip. According to the invention the first press nip has a suction roll with suction zone, the downstream end of which is situated downstream of the press nip, the top felt being separated from the bottom...http://www.google.de/patents/US6656325?utm_source=gb-gplus-sharePatent US6656325 - Machine for manufacturing paper or board
