FLEXIBLE CONTAINERS WITH THE MODERNIZED SEAM AND ITS PRODUCTION TECHNIQUES Russian patent published in 2017 - IPC B65D75/00 

FIELD: packaging industry.

SUBSTANCE: non-durable flexible container comprises the first film wallside including the first part containing the first structural supporting agent that is formed of the film in the first wallside, and the second part without the structural supporting agent; the second film wallside containing the second structural supporting agent that is formed of the film in the second wallside. A part of the first structural supporting agent is located in close vicinity to at least a part of the second structural supporting agent with the seam site form, and the lateral side of the seam site forms an end of the non-durable flexible container; and the seam is located at the intersection of the first and the second film wallsides along the at least seam site. This seam is sunk between the first and the second film wallsides when the first and the second structural supporting agents are in the ramp up condition.

EFFECT: container sufficient structural durability is provided by virtue of the fact that these containers are able to intake, keep and dose one or more fluid and cohesive products in line with its purpose without damage.

20 cl, 63 dwg