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    • 3. 发明申请
    • FIBER-REINFORCED STRAND AND METHOD OF MANUFACTURING A FIBER-REINFORCED STRAND
    • 纤维增强钢筋和制造纤维增强钢筋的方法
    • US20130276421A1
    • 2013-10-24
    • US13976802
    • 2011-12-13
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Hodaka MiuraNaoyuki Tashiro
    • D02G3/36
    • D02G3/36B29B15/125D02G3/404
    • In a method of manufacturing a fiber-reinforced strand, the fiber-reinforced strand is so manufactured that the cross-section thereof becomes as circular as possible. The present invention concerns a method of causing a reinforced fiber bundle 3 to pass through a resin bath means 7 and, thereafter, twisting the reinforced fiber bundle 3. The resin bath means 7 includes an impregnation region 21 where the reinforced fiber bundle 3 is impregnated with a thermoplastic resin 5 and a twisting region 22 where the reinforced fiber bundle 3 after the resin impregnation can be twisted, and the reinforced fiber bundle 3 after the resin impregnation is twisted in such a manner that a twist pitch P imparted to the reinforced fiber bundle 3 after the resin impregnation within a length L in the twisting region 22 satisfies L/3≧P≧3.15/90×(dtex)1/2.
    • 在制造纤维增强线材的方法中,纤维增强线材被制造成使其横截面尽可能地为圆形。 本发明涉及一种使增强纤维束3通过树脂浴装置7,之后加捻增强纤维束3的方法。树脂浴装置7包括浸渍区域21,其中增强纤维束3被浸渍 与热塑性树脂5和扭转区域22,其中树脂浸渍之后的增强纤维束3可以扭曲,并且在树脂浸渍之后的增强纤维束3以赋予增强纤维的扭曲节距P的方式被扭曲 在扭转区域22中的长度L之后的树脂浸渍后的束3满足L / 3> = P> = 3.15 / 90×(dtex)1/2。