FIELD: transport, package.
SUBSTANCE: invention relates to fabrication of variable-volume boxes adapted to packed goods height. Box is cut along vertical ribs to appropriate height. Then, bend lines are made on box sides to confine top flaps to be, further, bent above prefilled box. After making said bend lines and prior to bending flaps above prefilled box, at least, one inflatable bag is laid on packed goods. Said bag is inflated or evacuated so that its is adapted to free volume left around and/or above goods. Invention relates also to production line making cutting, marking, preparing and inflating said bags, and closing said boxes.
EFFECT: higher efficiency and reliability.
9 cl, 5 dwg
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