FIELD: transportation, packaging and storage.
SUBSTANCE: sheet of packaging material suitable for being folded, filled and sealed to form a package comprises a receiving region for receiving an opening device of said packaging attached thereto. Said packaging material sheet further comprises two reference marks detectable by a detecting unit of an applying unit of an applying device for applying the opening device to the indicated receiving region.
EFFECT: group of inventions provides application of the opening device in the required position due to the possibility of checking the correct position of the package.
17 cl, 6 dwg
