EP 0870869 B1 20020605 - Process and apparatus to reduce the dust deposit on a paper machine drying hood
Title (en)
Process and apparatus to reduce the dust deposit on a paper machine drying hood
Title (de)
Verfahren und Vorrichtung zur Reduktion der Staubablagerung auf einer Papiermaschinentrocknungshaube
Title (fr)
Procédé et appareil pour réduire le dépôt de poussière sur la hotte de séchage d'un machine à papier
Publication
Application
Priority
AT 44297 A 19970314
Abstract (en)
[origin: EP0870869A1] To reduce the build-up of dust at the drying hood of a papermaking machine, additional fresh air is blown over the upper side of the hood and the pipes. Also claimed is an assembly with at least one blower opening (8,8') at the upper side (12) of the hood (1), to blow out air.
IPC 1-7
IPC 8 full level
CPC (source: EP US)
B08B 5/00 (2013.01 - EP US); D21F 5/044 (2013.01 - EP US)
Designated contracting state (EPC)
DE ES FI FR GB IT SE
DOCDB simple family (publication)
EP 0870869 A1 19981014; EP 0870869 B1 20020605; AT 404605 B 19990125; AT A44297 A 19980515; CA 2230829 A1 19980914; CA 2230829 C 20050201; CN 1199797 A 19981125; DE 59804283 D1 20020711; ES 2176839 T3 20021201; ID 20046 A 19980917; US 6006444 A 19991228
DOCDB simple family (application)
EP 98103442 A 19980227; AT 44297 A 19970314; CA 2230829 A 19980226; CN 98108056 A 19980313; DE 59804283 T 19980227; ES 98103442 T 19980227; ID 980292 A 19980227; US 4233698 A 19980313