EP 0567434 B1 19961127 - Casing forming dieelectric for electrodes of corona pre-treatment installations
Title (en)
Casing forming dieelectric for electrodes of corona pre-treatment installations
Title (de)
Dielektrikumbildende Ummantelung für Elektroden von Coronavorbehandlungsanlagen
Title (fr)
Revêtement formant un diélectrique pour des électrodes d'installations de traitement corona préparatoire
Publication
Application
Priority
CH 129492 A 19920421
Abstract (en)
[origin: EP0567434A1] It is proposed to cover the electrodes (3) of corona pre-treatment installations with a casing (6) in the form of ceramic tubes which form a dielectric. The casing respectively has cutouts (7, 17) through which the electrode holder (4) can be guided to the electrode (3) through the casing (6). The casing (6) protrudes beyond the electrode (3) on both sides by an arbitrary distance. This renders it possible to use electrodes (3) which are shorter than the underlying composition roller (1). This brings the advantage that, on the one hand, the treatment width can be exactly matched to the corresponding printing width and, in addition, that it is no longer necessary for the encased electrodes (3) to protrude beyond the composition roller (1) itself, as a result of which it is possible to achieve a greater width of the composition roller (1) despite the difficult space conditions on the printing machine by comparison with the known corona pre-treatment installations. The shape of the cutouts (7, 17) and the configuration of the electrode holders (4) can now be fashioned in a manifold way. <IMAGE>
IPC 1-7
IPC 8 full level
B41F 23/00 (2006.01); H01T 19/00 (2006.01)
CPC (source: EP US)
B41F 23/00 (2013.01 - EP US); H01T 19/00 (2013.01 - EP US); Y10S 422/907 (2013.01 - EP)
Designated contracting state (EPC)
CH DE DK ES FR GB IT LI
DOCDB simple family (publication)
EP 0567434 A1 19931027; EP 0567434 B1 19961127; CH 685004 A5 19950228; DE 59304564 D1 19970109; US 5466422 A 19951114
DOCDB simple family (application)
EP 93810286 A 19930420; CH 129492 A 19920421; DE 59304564 T 19930420; US 4886293 A 19930416