发明名称 Paving stone cleaning machine - has parallel rollers with protrusions driven in same direction with upper retaining plate
摘要 <p>The machine cleans paving stones etc. having a frame with one or more pairs of parallel rollers (14,16), driven in the smae direction. One or both of these are equipped with protrusions (15,17), while above each pair is a retaining plate of metal (1a), suspended in the frame and hinged. There can be a feed conveyor delivering to the rollers, and the machine can be mounted on a wheeled chassis. A motor can be included, to drive the wheels and rollers. quantity.</p>
申请公布号 NL8502916(A) 申请公布日期 1987.05.18
申请号 NL19850002916 申请日期 1985.10.24
申请人 WIJNANDUS JOHANNES DE ROOY TE BOSSCHENHOOFD. 发明人
分类号 B28D1/18;(IPC1-7):B28D1/00 主分类号 B28D1/18
代理机构 代理人
主权项
地址