WELDED PART WITH BARRIER LAYER
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United States of America Patent
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app pub date -
Apr 9, 2014
filing date -
May 24, 2013
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Abstract
The invention relates to a welded part (1) made from plastic between the flexible walls of a container, in particular of a bag, with a stub (3) which is formed integrally on the welded part at the top and forms a pouring channel which connects the upper pouring opening of the stub to the lower pouring channel region (3a) of the lower welded region (2), wherein a barrier layer (6) is arranged in the pouring channel, which barrier layer (6) is opened by a projection (8) of a closure cap (7) which can be screwed onto the stub (3), wherein the projection (8) of the closure cap (7), which projection (8) reaches into the pouring channel (4), is fastened to the barrier layer (6), as a result of which the barrier layer (6) is removed completely or partially when the closure cap (7) is screwed open.
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