PAPERMAKING MACHINE AND PAPERMAKING METHOD

WIPO Patent Application WO/2006/030507

A1

A papermaking machine and papermaking method for making a paper by removing moisture from a paper material layer while it is made to travel, in which the paper material layer can be dewatered more efficiently. A perpermaking machine for making paper by removing moisture from a paper material layer (1) while it is caused to travel, where the paper material layer (1) is a layer of a paper material liquid (1a) ejected from a head box (2) and held in a layer form. The above part for removing the moisture has a steam heating means (6) that is provided as a means for heating the paper material layer (1) to accelerate the moisture removal and that supplies steam to the paper material layer (1) and heats the layer (1) through condensation of the steam, and has a means (11) for regulating condition of the steam supplied by the steam heating means (6) such that the paper material layer (1) has a preset target temperature, the condition regulation being made depending on a material concentration state of the paper material layer (1) when it passes through the steam heating means (6).

NOGAMI HIDEO (JP)
HORIE SHIGENARI (JP)
SUGIHARA MASAHIRO (JP)
IWATA HIROSHI (JP)

PCT/JP2004/013544

March 23, 2006

September 16, 2004

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MITSUBISHI HEAVY IND LTD (JP)
NOGAMI HIDEO (JP)
HORIE SHIGENARI (JP)
SUGIHARA MASAHIRO (JP)
IWATA HIROSHI (JP)

D21F1/48; D21F1/08; D21F3/02; D21F9/02; (IPC1-7): D21F1/48; D21F3/02; D21F9/02; D21F1/08

JP2004332131A	2004-11-25
JPS5876592A	1983-05-09
US5149401A	1992-09-22
JPH05321184A	1993-12-07
JPS55137293A	1980-10-25
JP2000256985A	2000-09-19
JPS56169896A	1981-12-26
JPS5887400A	1983-05-25
JPH0411089A	1992-01-16

Sanada, Tamotsu (10-31 Kichijoji-honcho 1-chome, Musashino-sh, Tokyo 04, JP)

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