EP 2735646 A1 20140528 - Method of operating a paper machine
Title (en)
Method of operating a paper machine
Title (de)
Verfahren zum Betreiben einer Papiermaschine
Title (fr)
Procédé de fonctionnement d'une machine à papier
Publication
Application
Priority
EP 12193802 A 20121122
Abstract (en)
The invention relates to a method of operating a paper machine (1) and a paper machine (1). The paper machine (1) comprises a paper web forming fabric (10) for supporting a wet paper web during a paper web formation, a head box (24) for supplying a fibre slurry to the paper web forming fabric (10), at least one shower apparatus with a plurality of shower nozzles for cleaning the paper web forming fabric (10), and a couch pit (38) disposed beneath the paper web forming fabric (10) for collecting fibres removed from the paper web forming fabric (10). The method comprises the steps of using filtered process water at the at least one shower apparatus instead of fresh water; and selectively activating shower nozzles for removing a paper trim (46) from the paper web forming fabric (10) according to an actual trim width.
IPC 8 full level
D21F 1/32 (2006.01); D21F 1/34 (2006.01); D21F 1/66 (2006.01)
CPC (source: EP)
D21F 1/32 (2013.01); D21F 1/34 (2013.01); D21F 1/66 (2013.01)
Citation (search report)
- [X] US 5512136 A 19960430 - ALTUG MUSTAFA N [US], et al
- [A] GB 727036 A 19550330 - CYRIL AUSTIN
- [A] DE 2208391 A1 19730920 - MCKEOWN LEWIS AUSTIN
- [A] DE 102005010404 A1 20060914 - SIEMENS AG [DE]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
EP 12193802 A 20121122