FIELD: packaging industry.
SUBSTANCE: membrane for sealing the open spout of the food package comprises a central circular disc member (202), an outer circular disc member (204) connected to said central circular disc member (202) along its inner periphery at an angle (α), And an elastic tubular portion (208) extending between the first open end (210) and the second end (212) connected to the outer circular disc member (204). The diameter of mentioned second end (212) is smaller than the outer diameter of mentioned circular disc element (204). Mentioned circular disc element (204) is pivotable with respect to the central circular disc element (202) to increase the diameter of the second end (210) of mentioned tubular portion (208) by changing mentioned angle (α) connections. When the specified angle is changed (α), The elastic tubular portion (208) extends outwardly until it contacts the inner wall of the spout to seal it.
EFFECT: improvement of packaging.
17 cl, 7 dwg
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