| 摘要 |
PROBLEM TO BE SOLVED: To provide a sealing structure of a spout for a container in which the member of the spout is adhered strongly to the container, preventing damage to a laminated film composing a pouch and further without deterioration of the barrier property of the laminated film in the sealing structure of the spout for the container. SOLUTION: In the sealing structure of the spout for the container, the laminated film having a sealant film layer and a metal or a silicon type barrier layer is layered on the surface of the sealed part of the member 1 of the spout made of a plastic so that the sealant layer is in the inner side of the container 110, wherein the irregularities, for example, a satin finish pattern 12, distributed on the whole surface of the sealed part of the spout member 1 formed by a heat welding, are formed and the difference in the height of the top of the mountain and the bottom of the valley is lower than the thickness of the sealant layer. COPYRIGHT: (C)2004,JPO
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