| 摘要 |
<p>A closure on a rectangular container for storing liquid, having a continuous folding line as the lower limitation of the closure and similar first and second faces, as well as third and fourth faces, the faces having a free edge and being connected with each other and protruding from the continuous folding line, the first and second faces both including folding lines extending from the ends of the continuous folding line on each face to the middle of the free edge of the faces, whereby the fourth face is sealingly connected with the first and second faces, and the third face is adapted to be folded over a remaining part of the first and second faces, whereby the length of the fourth face perpendicular to the continuous folding line is shorter than half of the distance between the corresponding opposite sides of the container, thereby providing an air opening to the interior of the container between the free edge of the fourth face and inwardly protruding peaks of the first and second faces, the free edge of the third face being provided with an extension in the middle, which when the closure is sealed is arranged above the fourth face, and when the closure is opened provides a nondrip spout, and the joint of the side walls of the container being arranged in a symmetrical axis of the third face.</p> |
