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Barrier spout and cap for flexible bags or pouches
Barrier spout and cap for flexible bags or pouches
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机译:防渗漏袋和盖,用于柔性袋或小袋
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摘要
A barrier spout and cap assembly mounted on a flexible bag or pouch of plastic laminate film having barrier material incorporated therein to prevent the permeation of various gases and especially oxygen. The structures of the spout and its cooperating removable and replaceable cap are such that they provide a barrier to gas permeation at the joint between the spout and bag and through the cap. The cap and associated barrier are removeable and replaceable to facilitate filling of the bag.
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