Process for splicing the bottom end portion of the first stack of web material and the top end portion of the second stack of the material

摘要

The present invention provides a method for splicing a strip of material packaged in stacks arranged parallel to each other. The method comprises a step of reversely rotating the bottom end portion around the transverse edge of the bottom end portion and/or reversely rotating the top end portion around the transverse edge of the bottom end portion until the longitudinal tangential vector of the bottom end portion forms an angle of 90 and 270 degrees with the longitudinal tangential vector of the top end portion.