| 摘要 |
PROBLEM TO BE SOLVED: To provide a flexible tubular filter medium following an object formed into an arbitrary shape by bending processing to generate no folding closure, having a stable pore size with respect to the repetition of pressure or bending and having characteristics capable of easily removing adhered particles or fiber refuse in washing. SOLUTION: The flexible tubular filter medium is regular and uniform in the pore size, arrangement and shape of a filter and follows even the interior of piping of which the filter arranging place is bent to generate no folding closure. This flexible tubular filter medium has round braided texture constituted of braided yarns rotated in both left and right directions and a longitudinal direction and a flexible support is inserted in the tubular filter medium in a contact state. The ratio of the contact area of the flexible support with the inner wall of the tubular filter medium is 50% or less of the area of the inner wall of the tubular filter material. COPYRIGHT: (C)2004,JPO
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