发明名称 Hammering device for impact anchor - comprises drill inside sliding sleeve whose upper end is in contact with impact disc
摘要 The device is for hammering in an impact anchor with a spreading sleeve. It consists of a drill on whose shank is an impact disc (3) and a movable driving element (2) comprising a sleeve whose o.d. is reduced (9) at the impact end (10). Its other end (8) is in contact with the impact disc (3). The sleeve can expand once it is in the hole in the rock or masonry, to give a secure anchorage. USE/ADVANTAGE - Simply constructed and easy to handle, fits in the chuck of a hammer drill.
申请公布号 DE3914512(A1) 申请公布日期 1990.11.08
申请号 DE19893914512 申请日期 1989.05.02
申请人 FISCHER-WERKE ARTUR FISCHER GMBH & CO KG, 7244 WALDACHTAL, DE 发明人 FISCHER, ARTUR, PROF. DR. H. C., 7244 WALDACHTAL, DE
分类号 B25D17/00 主分类号 B25D17/00
代理机构 代理人
主权项
地址