| 摘要 |
PROBLEM TO BE SOLVED: To provide an acrylic fire resistant yarn package keeping the grade of a fire resistant yarn in higher-order working, and having excellent handling ability and a large winding amount, the so-called large winding thickness, and a manufacturing method thereof. SOLUTION: This fire resistant yarn package is characterized in that the acrylic fire resistant yarn is taken up on a bobbin with a winding thickness H, which is a ratio of the winding sectional area A(cm<SP>2</SP>)/the fineness D(dtex)×1,000, and set to 1.00 (cm<SP>2</SP>/1,000 dtex) or more. The acrylic fire resistant yarn is taken up on a core bobbin with a winding thickness H, which is a ratio of the winding sectional area A(cm<SP>2</SP>)/the fineness D(dtex)×1,000, and set to 1(cm<SP>2</SP>/1,000 dtex) or more. COPYRIGHT: (C)2006,JPO&NCIPI
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