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    • 44. 发明授权
    • Packing containers and blanks therefor
    • 包装容器和空白
    • US4811849A
    • 1989-03-14
    • US191777
    • 1988-05-05
    • Hans Rausing
    • Hans Rausing
    • B65D5/54B65D5/06B65D5/70B65D5/74
    • B65D5/74B65D5/068
    • A packing container of the ridge roof type of the kind which is adapted to be opened by folding out again a bellows fold (B) formed at the top closure of the container in order to form an emptying opening (16) in the shape of a pouring spout. With the object of making the container liquid-tight and at the same time easy to open perforation (15) is arranged above the said bellows fold (B) below which the sealing fin (10) delaminates when the container is opened. The seal between the material layers forming the sealing fin (10) below this perforation is considerably weaker or almost negligible compared with the seal between material layers above the tearing perforation.
    • 一种适于通过折叠形成在容器顶部封闭件上的波纹管折叠(B)而打开的类型的屋脊型的包装容器,以形成形状为空气的排空口(16) 倒出嘴 本发明的目的是使容器具有液密性,并且同时容易打开穿孔(15)布置在所述波纹管折叠(B)的上方,当所述容器打开时,密封翅片(10)分层。 与撕裂穿孔之上的材料层之间的密封相比,在该穿孔之下形成密封翅片(10)的材料层之间的密封相对较弱或几乎可忽略。