发明名称 Concrete Rebound Shield and Method of Use
摘要 A concrete rebound shield and method of use is disclosed. The concrete rebound shield includes a bell defining an opening adapted to receive a feed hose. A collar nests within the opening of the bell and attaches to the feed hose such as to retain the bell onto the feed hose. The bell is adapted to substantially surround the feed hose and direct hydrated concrete toward a selected area.
申请公布号 US2009052996(A1) 申请公布日期 2009.02.26
申请号 US20070842634 申请日期 2007.08.21
申请人 SYKORA DOUGLAS R 发明人 SYKORA DOUGLAS R.
分类号 B65G53/40 主分类号 B65G53/40
代理机构 代理人
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