PACKING CONTAINER WITH POSSIBILITY TO RELEASE AIR Russian patent published in 2016 - IPC B65D33/01 

FIELD: packaging industry.

SUBSTANCE: container for loose materials, in particular, bag or packet from polymer film, contains, at least, one enveloping material wall, and multilayer air outlet area from, at least, one internal and one external layers passing in container longitudinal direction. Air outlet area has, at least, one inner and outer openings, wherein inner openings are made in form of punched through holes in air outlet area inner layer surface area having form of strip. This surface area passes along, at least, one section in its propagation direction, and, at least, one outer opening is made in connection seam laterally restricting air outlet area. At that, for external opening in seam inside air outlet area screening element is provided for targeted redirection of, at least, part of air flow, passing through air outlet area, air outlet area has only one chamber, in which only one screening element separates internal and external holes from each other, and has length within rage from 10 % to 50 % of air outlet area entire length.

EFFECT: invention provides simplifying and improving quality.

13 cl, 1 dwg