FOLDING BOX Russian patent published in 2011 - IPC B65D5/00 

FIELD: transport, package.

SUBSTANCE: invention relates to packages and may be used in food production. Proposed box represents fat pan with polygonal central part. Note here that polygon sides, next but one, make fold lines that separate blank wall-forming parts. Each said part is, in its turn, divided by fold line into two successive sections, one making outer wall and another making inner wall of the box provided with flaps made up of angular cuts. Blank is provided with wall-forming parts. Note here that fold line of each part is aligned with one of free sides of polygon to make box bottom. Separation line between two adjacent wall-forming parts is located at 90°C to new fold line. Each additional wall-forming part is divided by fold lone into two successive sections. Second section, an inner wall, is provided with dovetail flap to engage, in assembly, with angular cuts made on adjacent walls.

EFFECT: stiff structure, higher reliability.

3 dwg