B65D 5/328

Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper having bodies formed by folding and interconnecting two or more blanks {each blank forming a body part, whereby each body part comprises at least one outside face of the box, carton or tray at least one container body part formed by folding a single blank to a permanently assembled tube at least two container body parts, each formed by folding a single blank to a permanently assembled tube and the tubular body parts being alligned axially to form a container}