| 摘要 |
A pouch adapted to contain a fluent material has a fitting having a base fitted hermetically to the pouch and having a surface exposed in the pouch. A tubular spout projects outward from the base and forms with the base a throughgoing passage opening into the pouch and having an inner surface. A liner of a barrier material covers both of the surfaces. A layer of plastic covers inner surfaces of the liner. This layer of plastic can be unitary with the base and spout so that the liner is imbedded in the base and spout, or a separate not unitary piece fitted over the liner to the fitting. Normally the liner is unitarily formed of one piece, and is in fact a generally T-shaped body like the combined spout and base.
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