FOLDING CARDBOARD PACKAGING WITH AN ADDITIONAL COMPARTMENT AND METHOD FOR ASSEMBLY Russian patent published in 2022 - IPC B65D5/4805 

FIELD: packaging.

SUBSTANCE: packaging is made of a die-cut blank consisting of side walls with an inner corner segment for the additional ingredients with a high fat and/or moisture content, a shaped double bottom, and a cover constituting a continuation of the back wall. The packaging herein has elements enhancing the technical properties and contributing to additional functions. Cardboard packaging contains an additionally formed segment in the internal part of the packaging for the additional ingredients. The corner elements located between the cover and part of the side walls, folded from the outside, are secured in the holes located in the upper part of the side walls. Method for assembling the packaging consists in the die-cut blank, forming the base, cover, side walls of the packaging, corner segments, double bottom with the fold lines, allowing the packaging to be formed initially in a flat state, further quickly formed in a volumetric state, and to then be folded back into a flat shape without damaging the integrity of the entire structure. The packaging is made of a cellulose and paper frame base material and a laminated layer on the inside of the packaging facing the food products.

EFFECT: creation of sealed packaging with a double bottom and a cover for containing food products in the main compartment, and the additionally formed inner compartment.

4 cl, 6 dwg