Method and apparatus for producing packaging blanks

摘要

Apparatus for producing packaging blanks from a continuous strip (20) of material having images printed at intervals therealong is disclosed. At least one set of perforations (9a) are formed in the strip (20) parallel to its length by a rotary perforator (29;50) and a section of the strip (20) is separated from the remainder thereof by a separator cutter (37;54) to form a blank (12;40), in which periodic adjustments to the relative position of the strip (20) and the separator cutter (37;54) are made to maintain the registration of the images in relation to the separation line made by the said separator cutter without disengaging the perforator (29;50) from the strip (20). A method of producing packaging blanks (12;40) is also disclosed and the invention comprehends also a blank made by this method and a package.