this found is a subject, plastic, or other similar materials, applicable to tetra pak beccucci containers or the like.the object is composed of a welding section, adapted to hole nozzle of the tetra pak, which will be inserted partially within this.this work will be done at the top with a little "external pressure" or "screwed" ending.the inner part of the container with an edge slightly enlarged to contain a rubber ring is soft and elastic.a few millimeters thick that the coils in this part by a length from 1 to 3 cm.the work flow in a button hole to form suitable to join anatomically on the outside of the spout of the container.the rubber soft, compressed by pulling outward the stem to expand in width by sealing the found in the container. some wings on the stem down the same in such position.
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