| 摘要 |
PURPOSE: To seal a fluid product such as a detergent so as not to be leaked, and to easily unseal the product without using any tool when it is opened by providing a tab in which an inner lid flap extending over the whole section of a container is abutted on an inner side of an outer lid flap, and a double parallel nicks at a short distance from an upper edge of two side panels. CONSTITUTION: An inner lid flap 24 hinged to a forward panel 3 along a folding line 16 and a tab 26 hinged thereto are demarcated by nicks 27, 28 parallel to a side edge. When an outer lid flap 17 of an assembled and filled container is opened, a tab 32 is held, a board material inside a nick 31 is torn, and the flap 17 is lifted. To further open the container, the tab 26 is held, the inner lid flap 24 is torn along the nicks 27, 28, and lifted. Because one of the double nicks 27, 28 is provided on an upper part and the other is provided on the lower side, an area where the flap 24 is seated is left behind even when the nicks are torn, and the product can be effectively sealed while the products to avoid the moisture are successively stored.
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