Method of making a cylindrical bag and the corresponding cylindrical bag

摘要

The method comprises the steps of: delimiting on a first piece of sheet material 1 a polygonal contour; delimiting on a second piece of sheet material 2 a series of parallel strips 5; fixing together the first and the second pieces along a first side of the polygonal contour; successively folding the first and the second pieces along a common internal side in order to bring at least a portion of the external sides opposite and fixing together the first and the second pieces along the external side; fixing together two extreme edges of the second piece. IMAGE