| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a filter capable of efficiently removing foreign matter contained in a polyolefinic resin composition and useful for manufacturing a molded object excellent in appearance. <P>SOLUTION: The filter is used for filtering the polyolefinic resin composition containing a polyolefin component and equipped with a filter body part having a flow channel, a metal sintered filter 13 with a filtering precision of 1-100 μm, the metal net 14a with a linear diameter of 0.01-0.25 mm brought into contact with the metal sintered filter 13 on its one side and a support member 15 with a thickness of 10-100 mm and an opening ratio of 30-60% having a large number of opening 15d. The metal sintered filter 13, the metal net 14a and the support member 15 are arranged in this order over the range from the upstream side of the flow channel to the downstream side thereof and the metal sintered filter 13 is fixed to the filter body part through a seal member 18. <P>COPYRIGHT: (C)2010,JPO&INPIT |
