发明名称 Apparatus for levelling concrete
摘要 This invention relates to a method and an apparatus for compacting and smoothing freshly poured concrete during the construction of a floor or other flat surface. The apparatus is a screed divided in two portions. The first portion is used to level, compact and remove excess concrete and the second portion allows the screed to float on the freshly poured and soft concrete.
申请公布号 US4861188(A) 申请公布日期 1989.08.29
申请号 US19870020429 申请日期 1987.03.02
申请人 LES PLACEMENTS PARO INC. 发明人 ROUILLARD, ROGER
分类号 E04F21/04 主分类号 E04F21/04
代理机构 代理人
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