DEVICE FOR PRODUCING FLEXIBLE TUBES FROM A FLAT FILM

摘要

The invention concerns a device for producing flexible tubes from a flat film material (2). Said device comprises a first substantially concave cylinder (4), a second substantially concave cylinder (5), a forming pipe (3) arranged between the first and the second cylinders and a longitudinal sealing device (7) enabling a longitudinal weld seam of the flexible tube to be sealed. The substantially concave cylinders (4, 5) comprise respectively a plurality of different discs (4a, 4b, 4c, 4d), said different discs of the cylinders (4, 5) being respectively mounted freely rotatable.