| 摘要 |
PCT No. PCT/GB95/00626 Sec. 371 Date Nov. 12, 1996 Sec. 102(e) Date Nov. 12, 1996 PCT Filed Mar. 21, 1995 PCT Pub. No. WO95/25580 PCT Pub. Date Sep. 28, 1995A filtering apparatus has a bag or sleeve connected to a profiled resilient band (10, 20). The band is operative to sealing engage an aperture (13, 16) in a further body (16, 27). The profiled band (10, 20) has a one piece construction.
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