FIELD: packing. SUBSTANCE: two tapes of foil are fed to form side walls of bag and one tape, to form bag bottom. The latter should be provided with punched holes in direction of foil tape feeding and spaced by value corresponding to width of foil bag. When feeding the foil, tape is checked for presence of holes, then side tapes and bottom foil are placed on each other and connected to each other and then set of foil layers is cut off to form separate bags. EFFECT: provision of foil bags with reliable checking of cutouts. 26 cl, 7 dwg
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