METHOD FOR MANUFACTURING SHEETS FOR COVERING WINDOW BOXES FOLDABLE DISPLAY BOXES, WINDOWS PRODUCED THEREFOR, AND PACKAGING BOXES HAVING SUCH WINDOWS

摘要

The present invention relates to a method of manufacturing packaging box window covers overlapping at least one edge of the box. The method comprises cutting into a rigid transparent plastic film 3 notches, to be bonded to the film thus prepared a flexible transparent plastic film 4 and to cut in the composite material thus formed sheets cover. / P The present invention also relates to sheets thus produced, as well as packaging boxes provided with such cover sheets of the windows.