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    • 9. 发明授权
    • Plural-component, composite-material highway dowel bar fabrication methodology
    • 多组分复合材料公路定位杆制造方法
    • US09440400B2
    • 2016-09-13
    • US14033461
    • 2013-09-21
    • Composite Rebar Technologies, Inc.
    • Robert C. GibsonMatthew H. NobleTrent J. Garber
    • B29C70/02E01C11/14B29C70/52B29C70/86
    • E01C11/14B29C69/001B29C70/021B29C70/52B29C70/521B29C70/865B29K2705/00
    • A method for making a plural-component, composite-material, highway dowel-bar including (1) preparing an elongate core train possessing endo-abutting, longitudinally alternating, (a) elongate, high-shear-strength, cylindrical cores having a common cross section, and (b) elongate, but shorter, cylindrical, fiber-reinforced plastic-resin end-plug blanks having opposite ends, and each having a cross section matching the cross section of the cores, (2) using the core train as a longitudinally moving mandrel, pultrusion-forming a fiber-reinforced plastic-resin sleeve continuously and bondedly around the core train so as to produce a pultrusion-result, intermediate, dowel-bar product, and (3) following pultrusion-forming, cross-cutting the intermediate, dowel-bar product at each longitudinal location therein which is intermediate the opposite ends of the end-plug blanks, thereby to form completed dowel bars.
    • 一种用于制造多组分复合材料的公路榫钉杆的方法,其包括(1)制备具有内向邻接的纵向交替的(a)细长的高剪切强度的圆柱形芯的细长的核心系, 横截面和(b)具有相对端的细长但较短圆柱形的纤维增强塑料树脂端塞坯件,并且每个具有与芯的横截面匹配的横截面,(2)使用芯列作为 纵向运动的心轴,拉伸成型纤维增强塑料树脂套筒,连续地并且围绕核心列结合在一起,以产生拉挤成型的中间定位销产品,和(3)拉拔成型后, 在其中的每个纵向位置切割位于端塞坯件的相对端之间的中间销钉产品,从而形成完整的定位销。