| 摘要 |
<p>A paper bag filter which is capable of ensuring a large surface area without increase in volume, which can simply be folded when replaced, and which minimizes an adhering process. The paper bag filter (1) comprises a mounting (2) wherein a through hole is formed in the center and a bottomed-cylindrical paper filter (5) the opening of which is made to adhere onto one surface of the mounting (2). The paper filter (5) is formed in the shape of a rectangular cylinder which is accordion-pleated in such a manner that mountain sections (6) and valley sections (7) appear alternately in respective lateral surfaces, and that the mountain sections (6) and the valley sections (7) are staggered between lateral surfaces adjacent to each other.</p> |
