EP 0857818 A3 19990609 - Machine to manufacture a fibrous web
Title (en)
Machine to manufacture a fibrous web
Title (de)
Maschine zur Herstellung einer Faserstoffbahn
Title (fr)
Machine pour la fabrication d'une bande fibreuse
Publication
Application
Priority
DE 19702575 A 19970124
Abstract (en)
[origin: US6254728B1] A method and machine for the manufacturing a fibrous pulp web including a first draining zone and a second draining zone, where the first and second draining zones are successively arranged in the web run direction, where a first side of the web is drained in the first draining zone by pressure acting on the web which increases from an initial pressure to a final pressure, where a second side of the web is drained in the second draining zone by pressure acting on the web which increases from an initial pressure to a final pressure in the web run direction, and where the initial pressure in the second draining zone is less than the final pressure in the first draining zone.
IPC 1-7
IPC 8 full level
D21F 1/48 (2006.01); D21F 3/00 (2006.01); D21F 3/02 (2006.01); D21F 3/04 (2006.01); D21F 9/00 (2006.01)
CPC (source: EP US)
D21F 3/02 (2013.01 - EP US); D21F 3/04 (2013.01 - EP US); D21F 3/045 (2013.01 - EP US); D21F 9/003 (2013.01 - EP US)
Citation (search report)
- [A] US 4714521 A 19871222 - FUJIWARA HARUYOSHI [JP]
- [A] DE 3217860 A1 19821223 - VALMET OY [FI]
- [A] DE 9113500 U1 19911219
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
DE 19702575 A1 19980730; DE 59710037 D1 20030612; EP 0857818 A2 19980812; EP 0857818 A3 19990609; EP 0857818 B1 20030507; EP 1205599 A2 20020515; EP 1205599 A3 20030723; US 2002124981 A1 20020912; US 6254728 B1 20010703
DOCDB simple family (application)
DE 19702575 A 19970124; DE 59710037 T 19971106; EP 02002779 A 19971106; EP 97119412 A 19971106; US 1273198 A 19980123; US 84521101 A 20010501