EP 1754822 A3 20111130 - Method for operating a pressing arrangement
Title (en)
Method for operating a pressing arrangement
Title (de)
Verfahren zum Betreiben einer Pressenanordnung
Title (fr)
Procédé d'opération d'un dispositif de pressage
Publication
Application
Priority
DE 102005039300 A 20050819
Abstract (en)
[origin: EP1754822A2] Operating a paper machine press arrangement with press nips (18, 22) through which the paper web passes together with a transfer belt (12) comprises selecting a peak pressure in the press nips of less than 10 MPa. Independent claims are also included for: (1) operating a paper machine press arrangement with press nips through which the paper web passes together with a transfer belt, comprising using a transfer belt with a Pusey-Jones hardness of 30 or less on the inside and outside under standard conditions when the belt is uncompressed; (2) operating a paper machine press arrangement with press nips through which the paper web passes together with a transfer belt, comprising using nip-forming rolls (14, 16, 20) covered with rubber, polyurethane or a similar soft material; (3) operating a paper machine press arrangement with press nips through which the paper web passes together with a transfer belt, comprising using nip-forming rolls with a cover thickness of 10-40 mm; (4) operating a paper machine press arrangement with press nips through which the paper web passes together with a transfer belt, comprising removing entained air and water from the inside of the transfer belt; (5) operating a paper machine press arrangement with press nips through which the paper web passes together with a transfer belt, comprising removing dirt from the inside and outside of the transfer belt.
IPC 8 full level
D21F 3/04 (2006.01); D21F 3/08 (2006.01); D21F 7/08 (2006.01)
CPC (source: EP)
D21F 3/04 (2013.01); D21F 3/045 (2013.01); D21F 3/08 (2013.01); D21F 3/083 (2013.01); D21F 3/086 (2013.01); D21F 7/083 (2013.01); D21F 7/086 (2013.01)
Citation (search report)
- [XY] DE 3604522 A1 19860904 - VALMET OY [FI]
- [X] DE 19708966 A1 19980910 - VOITH SULZER PAPIERMASCH GMBH [DE]
- [X] DE 3718462 A1 19871210 - VALMET PAPER MACHINERY INC [FI]
- [XY] US 6197159 B1 20010306 - MEINECKE ALBRECHT [DE], et al
- [XY] US 5534116 A 19960709 - KARVINEN MIKKO [FI], et al
- [XY] DE 10342733 A1 20050421 - VOITH PAPER PATENT GMBH [DE]
- [XY] US 4976821 A 19901211 - LAAPOTTI JORMA [FI]
- [XY] US 4482430 A 19841113 - MAJANIEMI PEKKA [FI]
- [XY] US 5876565 A 19990302 - LAAPOTTI JORMA [FI]
- [X] US 5759355 A 19980602 - HIRSIMAEKI MARTTI [FI]
- [X] WO 9713030 A1 19970410 - VALMET CORP [FI]
- [X] EP 1496152 A1 20050112 - VOITH PAPER PATENT GMBH [DE]
- [X] DE 1294805 B 19690508 - BELOIT CORP
- [X] EP 1103654 A2 20010530 - VOITH FABRICS BLACKBURN LTD [GB]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK RS
DOCDB simple family (publication)
EP 1754822 A2 20070221; EP 1754822 A3 20111130; EP 1754822 B1 20131023; DE 102005039300 A1 20070222
DOCDB simple family (application)
EP 06016432 A 20060807; DE 102005039300 A 20050819