| 摘要 |
The invention relates to a rucksack (1), bag or container made of flexible, coated, waterproof and/or non-waterproof materials and which consist of parts that are welded, by overlapping welding, by a tool. The external contours of the tool clamp over the periphery of the base body and the edge becomes part of the overlapping weld seam (2) in the form of a bead. The overlapping weld seam (2) extends along the edge of the periphery (3) and at least one area (4) of the edge of the periphery (3) is longer and the overlapping weld seam (2) in said area (4) is correspondingly further away from the peripheral line (3). |
