PACKAGING BAG Russian patent published in 2015 - IPC B65D75/58 

FIELD: packaging industry.

SUBSTANCE: invention relates to the packaging bag comprising a front wall (12) of the bag and a rear wall (14) of the bag, formed of at least one flexible packaging film, for packaging flowable (11) product. In the packaging bag the front wall (12) of the bag and the rear wall (14) of the bag are connected with each other by a weld joint (24). The weld joint in the area bordering the weld edge (16) is extended towards the weld area (26) directed from the weld edge, with the free end (27) outermost from the weld edge. The front wall of the bag on the side directed towards the outer side of the packaging bag has an outer layer (28). The outer layer and the part (29) of the front wall of the bag, located under the outer layer, are limited in the area of the surface, enclosing the free end of the weld area and the area (30) of output of the product, extending to the end edge (17) of the weld edge. When pressure is applied in the part of the front wall of the bag, under the outer layer in the area of the free end of the weld area a crack (38) is formed, and the product enters the exit area and passes on the end edge of the weld edge from the packaging bag.

EFFECT: system of opening for manual use is provided, using which with proper handling the contamination of hands can be prevented, by the contents coming from the package.

15 cl, 14 dwg, 1 tbl