CARDBOARD TRAY Russian patent published in 2021 - IPC B65D5/20 

FIELD: cardboard items.

SUBSTANCE: cardboard tray, folded from an uncomposed sheet of cardboard, contains a lower wall with a peripheral edge consisting of an even number of straight edges, wall parts, each of which is attached to the straight edge of the lower wall, the first flanged parts, alternately attached to subsequent wall parts along the peripheral edge. The flanged parts are attached to the edge of the specified wall part, opposite and parallel to the corresponding straight edge of the lower wall. The first flanged parts contain at least the first, second and third elongated flanged sections connected parallel to each other along the long edge. The first elongated flanged section is attached to the corresponding wall part. The third elongated flange section is connected to the second elongated flange section parallel to it and along the long edge. The third elongated flanged section is glued to the outside of the corresponding wall part. The second flanged section is folded in half and pressed against the first flanged section, and the width of the first elongated flanged section is greater than the width of the second elongated flanged section. When the first flanged part is folded in half, the second flanged section does not contact the outer surface of the wall part and does not push the first flanged section up.

EFFECT: proposed is new version of a storage space.

14 cl, 10 dwg