发明名称 Device for projecting a wall coating, particularly for an excavation
摘要 The present invention relates to a device for simultaneously projecting a liquid or pasty product and a powdery, granulous or fibrous filler to make a reinforced plastic wall coating, in which the product is brought by pumping to a centrifugal projection member with central supply channel, wherein it comprises, for projecting the product, a revolving spray device with its central supply channel and, for projecting the powdery filler, a centrifugal wheel and a means for supplying the filler to the centrifugal wheel, the revolving spray device and the centrifugal wheel being mounted on the same shaft in the vicinity of each other.
申请公布号 US4377127(A) 申请公布日期 1983.03.22
申请号 US19810229265 申请日期 1981.01.28
申请人 HOUILLERES DU BASSIN DE LORRAINE 发明人 TINCHON, LUCIEN
分类号 B05C7/00;B05B3/06;B05B3/10;E21B33/138;E21B41/00;E21D5/00;E21D11/00;E21D11/10;(IPC1-7):B05C7/02 主分类号 B05C7/00
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