FOLDING BOX Russian patent published in 2019 - IPC B65D5/10 B65D5/36 

FIELD: packaging industry.

SUBSTANCE: invention relates to containers. Folding box is made of cardboard by bending of parts of sheet billet, including serially connected through bend lines side walls, bending each relatively adjacent wall to form open box, said side walls have, on one edge, valves that are bent towards each other to form the bottom of said box. Valves connected to one oppositely arranged sidewalls are made at one of their edges with an inflection line extending from the angle of the valve located on the line of its bend from the side wall to the middle zone of the edging edge of the valve passing along the line of bending of this valve from the side wall, and with projection of hook-like shape in plan on said edge on other side in relation to bend line edges of this valve. Valves connected to the other two oppositely arranged side walls are made each with an elongated triangular hole, one side of which is rectilinear and is inclined in direction from valve bending line from side wall to its edging edge, and other side, spaced from the first one, is arched convex and is connected with the third side located across rectilinear side of the through hole. At the same time, the rectilinear side of the through hole at its third side is made with continuation in the form of a linear section of the valve material.

EFFECT: disclosed is folding box.

1 cl, 3 dwg