PACKAGE FOR LOOSE MATERIALS, IN PARTICULAR, BAG OF SYNTHETIC FILM Russian patent published in 2011 - IPC B65D33/01 

Abstract RU 2409506 C2

FIELD: packing industry.

SUBSTANCE: package of synthetic film comprises packaging wall, covering loose material and having multilayer section of inner layer and outer layer. Multilayer section of wall passes in longitudinal direction of package, and each layer has air permeable section of surface. Between inner layer and outer layer there is at least one conducting element for air flow passing through air permeable sections of surface. Inner layer of multilayer section of wall is formed by means of strip of material arranged in inner space of package. Conducting element to divert air flow is formed by at least one section of air permeable intermediate layer, streamlined at least at one side, by means of which at least air permeable sections of inner layer surface are closed.

EFFECT: package has simple design, provides for optimal removal of air and prevents ejection of material particles to outside.

8 cl, 4 dwg

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RU 2 409 506 C2

Authors

Krejmborg Mikhel'

Khekmann Ulla

Dates

2011-01-20Published

2007-03-30Filed