Patent ID: 6050058
Filing Date: 2000-04-18
Classification: B65D

Abstract:
In a method for forming a packaging for a group of containers arranged in lines and rows, which comprises:wrapping the group of containers with a section of a heat-sealable plastic film extending in a longitudinal direction and having two end flaps which overlap and are adapted to be heat-sealed together;forming pre-cut lines beforehand in the film, parallel to the longitudinal direction, said pre-cut lines being positioned at a distance from one another and being of a sufficient quantity to ensure that the finished packaging has the pre-cut lines substantially continuously formed along an entire perimeter of the packaging in respective vertical planes lying between two adjacent rows of containers;the improvement which comprises:prior to the aforementioned steps providing, on one side of the film used for obtaining the packaging, in a position where the pre-cut lines is formed, a strip-shaped area which is not heat-sealable when coming into contact with the film; each strip-shaped area having a width sufficiently wide to ensure that the pre-cut lines of one end flap will fall within the strip-shaped area of the other end flap when the group of containers is wrapped.