Strip of a plurality of mutually connected bags, a bag obtained from this strip, a process for production of the strip and an apparatus for realization of the process

摘要

The invention relates to a strip of integrated plastics bags 27 having corner folds, which are formed from a tubular film and comprise edges of centremost 4, 4a and two outermost longitudinally directed 2, 3, 2a, 3a corner folds delimiting a first and a second corner fold part. Each bag comprises a transversely directed bottom seam 12 and two first fold part seams 8, 9; 10, 11 and two second fold part seams 13, 14; 15, 16 on each side of the bag. In addition, a supplementary seam 30 runs substantially parallel with the edges of the fold in a region situated between the centremost fold edges 4, 4a and the outermost fold edges 2, 3, 2a, 3a. The supplementary seam 30 joins together the first seams 8, 9, 10, 11 of the fold parts and the second seams 13, 14, 15, 16 of the fold parts. The invention also relates to a process and an apparatus for producing the bags. IMAGE