FIELD: packaging industry.
SUBSTANCE: invention relates to vessel (1, 21) for packing filling materials, in particular, a bag or sack made from plastic film. Vessel comprises at least one wall surrounding filling material, which comprises at least one front and one rear wall (2, 3, 22, 23), where in lower area (5, 25) of vessel between front and rear walls (2, 3, 22, 23) there are two inner layers of inner fold of section of web of plastic film, which is bent inside on at least one side of one of its longitudinal sides, wherein through said inner fold is formed stable base (4, 24) connecting front and rear wall (2, 3, 22, 23). Vessel also comprises multilayer area (11, 31), comprising more than two superimposed layers (7, 8, 27, 28) and formed in its upper area (6, 26), wherein multilayer area (11, 31) comprises at least one means for transfer in form of holes (12, 32), wherein hole (12, 32) passes at least partially through layers in upper area (6, 26). Vessel comprises seams connecting said layers in lateral areas (13, 13 ', 33, 33 ') and in upper area (6, 26), where in upper area (6, 26) of vessel said layers (7, 8, 27, 28) are connected on at least one section by means of at least one closure, closing vessel (1), under which section of upper area (6, 26) located near region with hole (12, 32), comprises region (14, 34) for extraction of filling material, and at least one section of connecting seam (10, 30) is located so that it passes around hole (12, 32) on at least on some sections so that in upper area (6, 26) of vessel multilayer area (11, 31) is separated from sealing space for filling vessel (1).
EFFECT: packaging materials.
8 cl, 3 dwg
Authors
Dates
2016-12-10—Published
2012-04-05—Filed