EP 0870866 A3 19990602 - Apparatus and process for the dewatering of a web
Title (en)
Apparatus and process for the dewatering of a web
Title (de)
Vorrichtung und Verfahren zur Entwässerung einer Materialbahn
Title (fr)
Appareil et procédé pour la déshumidification d'une bande
Publication
Application
Priority
- DE 19654195 A 19961223
- DE 19705030 A 19970210
Abstract (en)
[origin: US6261416B1] Device and method for draining a web in a paper production machine. The device may include a press section having at least one press nip for draining and smoothing the web. The at least one press nip may be arranged to smooth one surface of the web more than its opposite surface and the device may also include a roughening device that roughens the one surface of the web. The method may include guiding the web through a press section of the paper production machine to drain and smooth the web in which the press section include at least one nip, smoothing one surface of the web more than its opposite surface in the at least one nip, and roughening the one surface.
IPC 1-7
IPC 8 full level
CPC (source: EP US)
D21F 2/00 (2013.01 - EP US); D21F 3/045 (2013.01 - EP US)
Citation (search report)
- [A] EP 0549553 A1 19930630 - VALMET PAPER MACHINERY INC [FI]
- [A] DE 4340041 A1 19940407 - VOITH GMBH J M [DE]
- [A] EP 0337973 A2 19891018 - VALMET PAPER MACHINERY INC [FI]
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)
US 6261416 B1 20010717; EP 0870866 A2 19981014; EP 0870866 A3 19990602; EP 0870866 B1 20030507
DOCDB simple family (application)
US 99551797 A 19971222; EP 97120809 A 19971127