Machine for cutting simultaneously one or more rolls or sticks of paper to obtain a plurality of small rolls

A machine for transversely cutting elongated paper rolls into a plurality of cut paper rolls comprising means for transporting the rolls to be cut through a feedpath, a plurality of thin elongated cutting blades, each of said cutting blades having a cutting edge fixedly mounted in a plane parallel to and spaced from each other plane and overlying said feedpath, said feedpath and said cutting edge being disposed at an incline relative to each other, a roll holder mounted to said transporting means for movement therewith, said roll holder having two contiguous trough-shaped seats arranged normally to said feedpath and in each of which one of two elongated paper rolls to be cut simultaneously is placed, said seats having an arcuate seating surface conforming to the circumference of the elongated paper rolls to be cut, said seats having a plurality of slits at spaced intervals aligned with said cutting edges for guidingly receiving one of said cutting edges in one of said slits as the respective roll holder is transported through said feedpath, blade sharpening means mounted to each of said cutting blades for movement in parallel translation of the respective cutting edge thereof for sharpening said cutting edge, and means for driving said blade sharpening means in a reciprocating movement along the length of said cutting edge to continuously sharpen said cutting edge following the transport of said roll holder through said feedpath.