| 摘要 |
PROBLEM TO BE SOLVED: To provide a spinneret pack easy in assembling work and disassembling work, requiring no tightening work performed after attached to a spindle block and of sealing force improvement for preventing polymer leakage. SOLUTION: There is provided a spinneret pack capable of obtaining simplification of assembling and disassembling work and tightening work and reducing the lead time till the operation start by using bipartition pack bodies 1, 3 incorporating therein both the spinneret 6 and a cassette ring 8 comprising a filtration layer 5 and the like, compared to conventional spinneret packs comprising tripartition pack bodies. COPYRIGHT: (C)2011,JPO&INPIT
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