| 摘要 |
3436 HOLLOW TRILOBAL CROSS-SECTION FILAMENT of the Invention A spinneret plate for the manufacture of trilobal fiber with an approximately axially central extending void, said spinneret having at least one filament forming bore group having a center and said bore group having three openings, each of said openings being approximately Y-shaped with one long leg defining an axis and the axis of each long leg converging on the center of the bore group and said opening having two shorter legs, each of the shorter legs of the same Y being divergent toward said center.
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