Corona treatment device for electrically insulating materials, particularly plastic foils

摘要

An opposing electrode(2) over which plastic film is passed faces a high tension electrode(1) comprising electrode segments(6) aligned in the film movement direction. Discharge edges of each segment are divided into discharge tongues(7) spaced in the film movement direction and projecting towards the film. Tongues of adjacent segments are offset from each other in the film movement direction and form gaps. Adjacent electrode segments(6) are spaced transverse to the film movement direction. Spacing of segments is 1-3 times their thickness. Segments are cranked or set saw-like transverse to the film movement direction.