| 摘要 |
PROBLEM TO BE SOLVED: To improve user-friendliness of a bag with a simpler structure by using a film-made refilling bag to be accommodated in a boxlike vessel. SOLUTION: The boxlike vessel 1 includes the film-made bag 10 in which a powdered substance is filled, the boxlike vessel body 30 in which the bag 10 is accommodated, and a cover 40 covering an opening of the vessel body 30. The bag 10 has a gore 11 on the bottom or side, and has an inversely tapered shape characterized in that the upper part is of a flat bag type and the net width W1 of the bottom of the bag is narrower than the width of the upper end. COPYRIGHT: (C)2011,JPO&INPIT
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