PRESS SECTION IN A PAPER OR BOARD MACHINE

WIPO Patent Application WO/2004/046459

A1

The invention relates to a press section in a paper or board machine, in which press section the transfer of a web (W) is accomplished as a closed draw through the press section and which press section is provided with at least three separate press nips (N1, N2, N3), dewatering in the first nip (N1) of said nips taking place on two sides. The closed draw of the web (W) through the press section is accomplished as a substantially straight run and that the press nips each have their own fabric loops (20, 21; 30; 40, 41), that the nips (N2, N3) following after the first nip (N1) have one water-receiving fabric (30, 40), which is placed in the nip (N2, N3) on the opposite side of the web (W) with respect to the other nip in the running direction of the web in the machine.

WO/2004/038095	MACHINE FOR MANUFACTURING A WEB OF PAPER OR BOARD
JPH093789	DEVICE FOR DEHYDRATING FIBROUS WEB
JP4721117	Wet paper smoothing method and paper machine press part

HONKALAMPI PETTER (FI)
HALME PETTERI (FI)
ANTTILAINEN SAMI (FI)

PCT/FI2003/000751

June 03, 2004

October 10, 2003

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METSO PAPER INC (FI)
HONKALAMPI PETTER (FI)
HALME PETTERI (FI)
ANTTILAINEN SAMI (FI)

D21F3/04; (IPC1-7): D21F3/04

WO1997013030A1	1997-04-10
WO2000055423A1	2000-09-21
WO1999060202A1	1999-11-25
WO1997013030A1	1997-04-10

EP0487483A1	1992-05-27
US6197156B1	2001-03-06
FI109481B	2002-08-15
US6210530B1	2001-04-03
US6210530B1	2001-04-03
FI95610C	1996-02-26
US5888354A	1999-03-30
FI109481B	2002-08-15
EP0487483A1	1992-05-27
FI100422B	1997-11-28

FORSSÉN & SALOMAA OY (Helsinki, FI)

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