| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a filter of a low pressure loss, which uses a metal porous body high in catching capability of fine materials to be removed such as soot, to a treatment object such as a gas. <P>SOLUTION: The metal porous sintered member filter has a constitution that hollow typed spaces partially or wholly communicating are dispersed inside, and a wall surface constituting the space has a fine pore. The filter has a bottomed cylindrical shape, and the side surface constituting the cylindrical shape is tapered. Preferably, the BET surface area is 700 cm<SP>2</SP>/cm<SP>3</SP>or more, an average diameter of the fine pore of the wall surface measured by the mercury penetration method is 1μm or more, or further, the porosity is≥85% and≤95%. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
