Patent ID: 6030499
Filing Date: 2000-02-29
Classification: D21F

Abstract:
An apparatus in a paper or board machine for dewatering a web carried along a first wire of a wire section of said machine and prior to introduction of said web to a press section of said paper or board machine, said apparatus comprising:a pair of water removing rolls for receiving said web and said first wire, including:a non-suction water receiving roll mounted on a first side of the web and having an open surface for receiving and temporarily holding water removed from the web, anda non-suction smooth surfaced roll mounted on a second side of the web;a second permeable wire brought in contact with a side of the web opposite that of the first wire while passing through said pair of water removing rolls, said first and second wires producing a press nip when passing through said pair of water removing rolls with said web to remove water from said web, said water being removed to openings in the open surface of said non-suction water receiving roll of said pair of rolls;a transfer device for transferring the web travelling on and supported by the first wire of the wire section to the press section;the second permeable wire travelling together with the web and the first wire after said press nip to the transfer device which is arranged to transfer the web from the first wire onto the second permeable wire to move the web on the second permeable wire to the press section; anda lower press felt of the press section being arranged to receive the web from the second permeable wire at a transfer point after said transfer device and before a first press nip of the press section.