Fuente: WIPO "tomato" It is described a conveying device (15) for a web (4) fed along a conveying path (P), comprising a plurality of electroadhesive elements (18) comprising an outer electroadhesive gripping surface (19) configured to adhere to the web (4), wherein at least two electroadhesive elements (18) of the plurality of electroadhesive elements (18) are activatable to generate at least a first electric field (E1) and a second electric field (E2).