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    • 9. 发明授权
    • Roadway marker
    • 道路标记
    • US6109821A
    • 2000-08-29
    • US911324
    • 1997-08-14
    • Anthony A. MontalbanoSidney A. HeenanLoren M. Lundtveit
    • Anthony A. MontalbanoSidney A. HeenanLoren M. Lundtveit
    • E01F9/06E01F11/00
    • E01F9/553
    • A roadway marker comprises a solid body member having a lower generally planar surface configured to be adhered directly to a roadway surface. The marker is injection molded as a one-piece structure from a closed-cell foam thermoplastic material using a chemical blowing agent. The bottom surface of the body member may be formed with slight recesses or protrusions such that the entire bottom of the marker fills with adhesive when the marker is installed. Thus, maximum adhesive surface area is provided between the marker and the roadway surface. Further, the closed-cell foam construction creates a marker body which is strong, economical to mold and which does not shrink after molding.
    • 道路标记包括固体本体构件,其具有构造成直接粘附到道路表面的下部大体平坦的表面。 使用化学发泡剂将标记物从闭孔泡沫塑料材料注塑成单片结构。 主体构件的底表面可以形成有轻微的凹部或突起,使得当安装标记时,标记的整个底部填充有粘合剂。 因此,在标记和道路表面之间设置最大的粘合表面积。 此外,闭孔泡沫结构产生了一种坚固,经济的模具并且在模制之后不收缩的标记体。