Global Patent Index - EP 0520145 B1

EP 0520145 B1 19951213 - Device for dust removal

Title (en)

Device for dust removal

Title (de)

Vorrichtung zum Abführen von Staub

Title (fr)

Dispositif pour l'élimination de la poussière

Publication

EP 0520145 B1 19951213 (DE)

Application

EP 92105220 A 19920326

Priority

DE 4120973 A 19910625

Abstract (en)

[origin: EP0520145A1] The invention relates to a device for the removal of dust adhering to film-like material webs (2) - for example paper, plastic or textile webs - or sheets and continuous webs, having at least one first discharge electrode (3) and having a first and second suction chamber (4, 5), which is characterised in that first disturbance openings (6) are arranged on the side of the material web (2) directed towards the suction chambers (4, 5), in that first disturbance openings (6) are arranged downstream of the first discharge electrode (3) and upstream of the first suction chamber (4) in the direction of travel of the material web, in that the first disturbance openings (6) open into a first gap (9) formed between the first disturbance openings (6) and the material web (7), in that the air current passing through the first disturbance openings (6) is directed onto the material web surface and in that the first suction chamber is designed such that the dust-laden air is sucked in at an angle alpha to the surface of the material web. d

IPC 1-7

B41F 23/00; B08B 5/04

IPC 8 full level

B08B 5/04 (2006.01); B08B 6/00 (2006.01); B41F 23/00 (2006.01); B41F 35/00 (2006.01); B65H 26/00 (2006.01); D21G 9/00 (2006.01)

CPC (source: EP)

B08B 5/046 (2013.01); B08B 6/00 (2013.01); B41F 23/002 (2013.01)

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI LU NL SE

DOCDB simple family (publication)

EP 0520145 A1 19921230; EP 0520145 B1 19951213; AT E131439 T1 19951215; DE 4120973 A1 19930107; DE 59204649 D1 19960125; JP H05306050 A 19931119

DOCDB simple family (application)

EP 92105220 A 19920326; AT 92105220 T 19920326; DE 4120973 A 19910625; DE 59204649 T 19920326; JP 16320592 A 19920623