Växlare för materialbanor, samt förfarande för växling mellan två eller flera materialbanor som individuellt ska behandlas i ett efterföljande arbetsmoment

摘要

Method and device for switching between web formed materials that are to be separately processed in a following process step, wherein each material (3) is supported and substantially enclosed by a separate feeder cassette (2) that is individually driven and controlled for shifting the materials individually, the feeder cassettes being formed so as to permit drive rollers (12) arranged downstream of the shifter device to engage the material through the feeder cassette for feeding the material through the feeder cassette.