发明名称 Composite pavement markings
摘要 Composite pavement markings with improved wear resistance and other advantages are disclosed. The composite pavement markings typically include a unitary retroreflective article attached to a base pavement marking. With the composite construction, different portions of the pavement marking are provided at different heights. The taller portions of the pavement marking may preferably offer some protection to the shorter portions from wear caused by vehicle traffic and/or snowplow blades. By combining two different retroreflective pavement markings to form the composite pavement markings of the present invention, a combination of features and properties may be obtained that is provided by neither of the pavement markings alone. Methods of manufacturing composite pavement markings are also disclosed.
申请公布号 US6841223(B2) 申请公布日期 2005.01.11
申请号 US20010929417 申请日期 2001.08.14
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 RICE ERIC E.;HEBLOM THOMAS P.
分类号 E01F9/04;E01F9/08;(IPC1-7):D06N7/04;B32B3/00;E01F11/00 主分类号 E01F9/04
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