| 摘要 |
PROBLEM TO BE SOLVED: To provide a sieve net reduced in clogging and the abrasion caused by clogging and improving fractionation efficiency. SOLUTION: In the sieve net 10 wherein a plurality of parallelly arranged warp lines 12 comprising a synthetic resin wire material are welded to a large number of parallelly arranged weft lines under heating so as to cross the weft lines, a large number of the weft lines arranged side by side include a plurality of tensioned lines 15, each of which is formed by providing a reinforcing core material 14 in the synthetic resin wire material, and coreless vibration lines 16 comprising the synthetic wire material are provided between the adjacent tensioned lines 15.
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