| 摘要 |
PROBLEM TO BE SOLVED: To provide a molded filter which can demonstrate excellent catching ability to dust in various sizes and various forms without making even a large dust aggregate formed of fine dust flow to the downstream side, with reduced filtering medium resistance and excellent form stability. SOLUTION: The molded filter has a body part and a bottom part, the bottom part comprises a molded frame body, and the whole is constituted by adhering and fixing body part filter parts constituting the body part and bottom part filter parts constituting the bottom part respectively to the molded frame body. Also, the body part filter parts and the bottom part filter parts comprises the laminate of two or more layers of nonwoven fabrics for which at least one layer is a melt-blown nonwoven fabric and the other layer is a short fiber nonwoven fabric or a spunbond nonwoven fabric. COPYRIGHT: (C)2008,JPO&INPIT
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