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    • 9. 发明申请
    • THREADED CONCRETE ANCHOR
    • 螺纹混凝土锚栓
    • WO2011005379A1
    • 2011-01-13
    • PCT/US2010/036635
    • 2010-05-28
    • ILLINOIS TOOL WORKS INC.GONG, YongpingPANASIK, Cheryl L.
    • GONG, YongpingPANASIK, Cheryl L.
    • F16B35/04
    • F16B25/0026F16B25/0047F16B25/0052
    • A fastener for use in concrete includes a shank and a head. The shank has a tip distal most from the head. The shank includes a first helical thread formation having a thread form thereon formed from two portions disposed upon opposite lateral sides of the thread form. The thread form has a root and the two portions include an alternating series of lobe members and base portions. The lobe members have a height as measured from the root and the base portions have a height as measured from the root. The height of the lobe members is greater than the height of the base portions and the height of the base portions is greater than zero. The fastener includes a second helical thread formation that is disposed adjacent to and spaced from the first helical thread formation.
    • 用于混凝土的紧固件包括柄和头部。 柄部具有头部远离头部的尖端。 柄部包括具有螺纹形式的第一螺旋形螺纹结构,该螺纹螺纹螺纹螺纹形成在螺纹形式的相对侧面上的两个部分上。 线形具有根部,并且两个部分包括一系列交替的叶片构件和基部。 叶片构件具有从根部测量的高度,并且基部具有从根部测量的高度。 凸起部件的高度大于基部的高度,并且基部的高度大于零。 紧固件包括邻近于第一螺旋形结构并与其间隔的第二螺旋形螺纹结构。