发明名称 Patching system and method for repairing roadways
摘要 An improved roadway patching system and method is provided for repairing potholes (12) or other damaged roadway areas. The patching system of the invention includes a lower asphaltic liner (18) which is adapted for placement within a pothole (12) or the like in closely conforming and adhering relationship with the inner contour (14) thereof in order to present a substantially water-impervious barrier. A fill (34) is then placed within the pothole (12) atop the liner (18). The patch is completed by provision of an asphaltic, water-impervious, substantially non-stretch top mat (20) which is applied over the fill (34) and engaging and adhering to the liner (18) and adjacent portions (16) of the roadway (10).
申请公布号 US5660498(A) 申请公布日期 1997.08.26
申请号 US19960586577 申请日期 1996.01.16
申请人 FREEMAN, ROGER 发明人 FREEMAN, ROGER
分类号 E01C11/00;(IPC1-7):E01C7/32 主分类号 E01C11/00
代理机构 代理人
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