EP 0985068 B1 20011219 - DEVICE FOR DEHYDRATING AND WASHING SUSPENSIONS OF FIBROUS MATERIAL
Title (en)
DEVICE FOR DEHYDRATING AND WASHING SUSPENSIONS OF FIBROUS MATERIAL
Title (de)
VORRICHTUNG ZUR ENTWÄSSERUNG UND WÄSCHE VON FASERSTOFFSUSPENSIONEN
Title (fr)
DISPOSITIF DE DESHYDRATATION ET DE LAVAGE DE SUSPENSIONS DE MATIERE FIBREUSE
Publication
Application
Priority
- AT 89097 A 19970526
- EP 9802720 W 19980509
Abstract (en)
[origin: WO9854401A1] The invention relates to a device for dehydrating and washing suspensions of fibrous material, comprising two rollers (2, 3) turning in opposite directions, a material feeding element (4, 5) and a material discharge element (6). Said device is principally characterized in that in the case of both rollers (2, 3) the material feeding element (4, 5) is arranged separately in the lower area of said rollers (2, 3), that a discharging endless screw (6) is arranged below the gap between the two rollers (2, 3) for discharging the filtration mat and that a washing zone (9", 10") is provided in the upper area of the rollers (2, 3).
IPC 1-7
IPC 8 full level
D21C 9/06 (2006.01); D21C 9/18 (2006.01); D21D 1/40 (2006.01); D21F 1/78 (2006.01)
CPC (source: EP US)
B30B 9/20 (2013.01 - EP US); D21C 9/06 (2013.01 - EP US); D21C 9/18 (2013.01 - EP US); D21D 1/40 (2013.01 - EP US); D21F 1/78 (2013.01 - EP US)
Designated contracting state (EPC)
DE ES FI SE
DOCDB simple family (publication)
WO 9854401 A1 19981203; AT 405420 B 19990825; AT A89097 A 19981215; AU 8016298 A 19981230; CA 2290972 A1 19981203; CA 2290972 C 20061212; DE 59802544 D1 20020131; EP 0985068 A1 20000315; EP 0985068 B1 20011219; US 6311849 B1 20011106
DOCDB simple family (application)
EP 9802720 W 19980509; AT 89097 A 19970526; AU 8016298 A 19980509; CA 2290972 A 19980509; DE 59802544 T 19980509; EP 98928237 A 19980509; US 42457899 A 19991124