Patent ID: 8322394

Claim:
An apparatus for connecting and cutting roll supporting tubular cores, comprising: a means for feeding said cores arranged to position one of said cores on a rolling cradle, said core having a front end and a rear end; a means for pushing said core along a longitudinal axis along said cradle, said means for pushing acting against said rear end in order to bring said front end in a connecting station, in said connecting station, the rear end of a core portion to connect being arranged; a driven peripheral dragging means for causing said core portion to rotate; a connecting means present in said connecting station, comprising a supplier of adhesive tape and a transmission roller, which is arranged in such a way that when said peripheral dragging means causes said core and said core portion to rotate about their own axis, said transmission roller maintains the front end of said core and the rear end of said core portion integral to each other and laminates said adhesive tape which is dragged by said core and core portion together to form said joint; a conveying means for conveying longitudinally said connected core and core portion along said longitudinal axis up to a cutting station, said conveying means arranged to cause said connected core and core portion to proceed until the front end of said core portion has passed said cutting station for a predetermined distance; a cutting means arranged in said cutting station for cutting said core and said core portion connected to each other in order to obtain a core length that is long as said distance; wherein a device for transmitting a number of rotations to said core is associated to said peripheral dragging means, said device configured for controlling said peripheral dragging means to cause said core and said core portion to rotate for a predetermined number of turns.