发明名称 TRAFFIC CONTROL BARREL
摘要 A traffic barrel constructed of a lightweight material consisting of two elements that may be readily assembled and stabilized in position and readily separated upon a substantial impact. The traffic barrel may mount one or two warning lights for nighttime traffic channelization purposes. The traffic barrel may have a "D" cross-section to prevent its rolling along a surface and have a stepped configuration to permit stacking of the two elements thereof.
申请公布号 CA1075978(A) 申请公布日期 1980.04.22
申请号 CA19770274021 申请日期 1977.03.15
申请人 ROYAL INDUSTRIES, INC. 发明人 KULP, JACK H.;FLORSHEIM, JAMES M.
分类号 E01F9/012;E01F13/02 主分类号 E01F9/012
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