Patent ID: 11878840
Assignee: GPI SYSTEMS AB
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 9:
10. A paperboard packaging container for bulk solids, the container comprising a tubular container body, a container bottom and a container lid, the container body extending in a height direction of the container from a first end to a second end, the tubular container body comprising a container body wall, the container body wall having an inner surface facing towards an inner compartment in the packaging container and an outer surface facing away from the inner compartment, a first end edge and a second end edge, the tubular container body being made by a laminate sheet material comprising a carton substrate layer, and comprises a but-to-but joint extending in the height direction, the but-to-but joint being sealed by a sealing strip, a second body opening being closed with a paperboard disc having a peripheral flange being flexed towards the second end in the height direction and attached to the inner surface of the container body wall, the second end of the container body wall being curled inwardly providing a curled second edge comprising an edge portion and an inner portion characterized in that the container wall at the curled second edge and along a circumference of the tubular container body is provided with two or more parallel crease lines connected over a bridging area with two or more bridging parallel creased lines, the bridging area bridging over the sealing strip, such that the two or more parallel crease lines and the two or more bridging crease lines extend in a circumferential direction around the circumference of the tubular container body.