| 摘要 |
PURPOSE: To increase the capacity of a filter, while lowering the height of a product using no filter and miniaturize the product. CONSTITUTION: A female screw 8 and male screw 12 are provided respectively on the inner peripheral surface and outer peripheral surface of an opening part of a filter 2. A vacuum bottle body 1 is provided in the opening part 6 with a male screw 9 engaging threadingly with the female screw 8. A female screw 16 capable of selectively threadingly engaging the male screw 9 with the male screw 12 of the filter 2 is provided on the inner peripheral surface of a lid used also as a cup 3. |
