EP 0815318 B2 20061220 - METHOD FOR DEWATERING A SHEET OF CELLULOSE MATERIAL USING HOT AIR CAUSED TO FLOW THERETHROUGH BY MEANS OF A HIGH VACUUM, DEVICE THEREFOR, AND RESULTING MATERIAL
Title (en)
METHOD FOR DEWATERING A SHEET OF CELLULOSE MATERIAL USING HOT AIR CAUSED TO FLOW THERETHROUGH BY MEANS OF A HIGH VACUUM, DEVICE THEREFOR, AND RESULTING MATERIAL
Title (de)
VERFAHREN ZUR ENTWÄSSERUNG EINER BAHN AUS ZELLULOSEHALTIGEM MATERIAL DURCH DURCHSAUGEN VON HEISSER LUFT, VORRICHTUNG ZUR DURCHFÜHRUNG DES VERFAHRENS UND DANACH HERGESTELLTES PRODUKT
Title (fr)
PROCEDE D'ESSORAGE D'UNE FEUILLE DE MATIERE CELLULOSIQUE PAR AIR CHAUD TRAVERSANT SOUS HAUT VIDE, DISPOSITIF DE MISE EN OEUVRE DU PROCEDE ET PRODUIT OBTENU
Publication
Application
Priority
- FR 9600414 W 19960320
- FR 9503220 A 19950320
Abstract (en)
[origin: US5974691A] PCT No. PCT/FR96/00414 Sec. 371 Date Sep. 19, 1997 Sec. 102(e) Date Sep. 19, 1997 PCT Filed Mar. 20, 1996 PCT Pub. No. WO96/29467 PCT Pub. Date Sep. 26, 1996A method for drying a cellulose web, in particular a moist paper web evincing a dry-state specific surface weight of between 10 and 80 g/m2 and initially a solids content between 8 and 30% approximately, and including supporting the web on a permeable conveying fabric and having a high-speed flow of hot air pass through the web, is characterized in that the flow of air is generated by a relative negative pressure of 100 to 500 mbars generated underneath the fabric.
IPC 8 full level
D21F 5/14 (2006.01); D21F 5/18 (2006.01); D21F 5/20 (2006.01)
CPC (source: EP US)
D21F 5/182 (2013.01 - EP US); D21F 5/20 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE ES FI FR GB GR IE IT LI NL PT SE
DOCDB simple family (publication)
WO 9629467 A1 19960926; AT E209725 T1 20011215; BR 9607865 A 19980630; CA 2202172 A1 19960926; CA 2202172 C 20080826; DE 69617406 D1 20020110; DE 69617406 T2 20020404; DE 69617406 T3 20070614; EA 000216 B1 19981224; EA 199700163 A1 19980226; EP 0815318 A1 19980107; EP 0815318 B1 20011128; EP 0815318 B2 20061220; ES 2168465 T3 20020616; ES 2168465 T5 20070701; FR 2732044 A1 19960927; FR 2732044 B1 19970430; JP 4008026 B2 20071114; JP H11502270 A 19990223; PT 815318 E 20020531; US 5974691 A 19991102
DOCDB simple family (application)
FR 9600414 W 19960320; AT 96908155 T 19960320; BR 9607865 A 19960320; CA 2202172 A 19960320; DE 69617406 T 19960320; EA 199700163 A 19960320; EP 96908155 A 19960320; ES 96908155 T 19960320; FR 9503220 A 19950320; JP 52813596 A 19960320; PT 96908155 T 19960320; US 91362797 A 19970919