发明名称 Screed for striking off or smoothing plastic concrete surfaces.
摘要 The invention relates to a screed for striking off and/or smoothing fresh-concrete surfaces, having a striking-off tool (2) which can be set in vibratory or smoothing motion via a vibratory motor (7) and which can be held, such that it can move, on a drawing or actuating element (8) which is designed preferably in a handle-like manner. The striking-off tool (2) has an edge projection (4) which is essentially perpendicular to the striking-off surface and extends over the effective striking-off width.
申请公布号 EP0540918(A1) 申请公布日期 1993.05.12
申请号 EP19920117685 申请日期 1992.10.16
申请人 LOETZKE, WOLFGANG 发明人 LOETZKE, WOLFGANG
分类号 E04F21/24;E04G21/10 主分类号 E04F21/24
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