发明名称 Fluid charged roadway barrier
摘要 The invention is directed to a light weight, fluid charged, stackable, and easily placeable traffic barrier. The barrier includes a lightweight frame, made up of a skin or other lightweight framing elements. The barrier includes an interior bladder chamber for charging with a weighting fluid.
申请公布号 US4978245(A) 申请公布日期 1990.12.18
申请号 US19890396336 申请日期 1989.08.21
申请人 WHITE, JOHN M. 发明人 WHITE, JOHN M.
分类号 E01F9/014;E01F15/08 主分类号 E01F9/014
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