Rucksack, bag or container has base and welded cover with both overlapping weld seams and closed or open seam on at least one side that is welded with tool

摘要

The rucksack, bag or container is made of flexible coated materials made as cut-out parts with a base (1) and a welded cover (2) with both overlapping weld seams and a closed or open seam (3) on at least one side that is welded with a tool. The edge of the cut section is stretched over the tool and a cover part is applied.