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    • 9. 发明授权
    • PAPER CONTAINER
    • PAPIERBEHÄLTER
    • EP1331173B1
    • 2006-10-18
    • EP01972611.6
    • 2001-09-28
    • NIPPON PAPER INDUSTRIES CO., LTD.
    • TAKAHASHI, Hisao, Nippon Paper Ind. Co. Ltd.SASE, Kazuhiko, Nippon Paper Ind. Co. Ltd.OKUDE, Hideki, Nippon Paper Ind. Co. Ltd.
    • B65D5/74B65D5/72
    • B65D5/72B65D2231/02Y02W90/11Y10T428/1303
    • A paper container has synthetic resin layers (3) and (4) constituting at least the outermost and innermost surfaces of a laminated structure with paper as a base material (1), the base material (1) being provided with a through-hole (2) serving as a liquid take-out port, in which the paper container is of laminated construction in which the through-hole (2) is covered from inside by a layered material of at least two layers made of an integration of the synthetic resin layer (4) or (10) and a thin paper layer (8). The rigidity of the thin paper layer (8) is imparted to the synthetic resin layer (4) or (10) with which the thin paper layer (8) is integrated. This suppresses the elongation of the synthetic resin layer (4) or (10) to facilitate the piercing of the through-hole (2) portion with a straw or the cutting-off of the through-hole (2) portion.
    • 纸容器具有至少构成以纸为基材(1)的层叠结构的最外表面和最内表面的合成树脂层(3)和(4),基材(1)设置有通孔( 2)作为液体取出口,其中纸容器是层压结构,其中通孔(2)从内部被层压材料制成,所述层压材料由合成树脂的一体化制成的至少两层 层(4)或(10)和薄纸层(8)。 将薄纸层(8)的刚性赋予与薄纸层(8)一体化的合成树脂层(4)或(10)。 这抑制了合成树脂层(4)或(10)的延伸,以便于用吸管对通孔(2)部分的穿孔或通孔(2)部分的切断。