发明名称 Dish plate for rock anchors, in particular of the roadway support system in underground working
摘要 In a dish plate for rock anchors, in particular of the roadway support system in underground working, which dish plate is preferably dished from a round sheet-metal blank and has a circumference which forms a convex dish margin as well as a dish wall pointing outwards and a preferably flat base, provision is made according to the invention for one or more tongues to be recessed in the dish wall, the contour of which tongues is open on one side and merges at a curved edge into the dish wall, and for each of the tongues projecting outwards from the dish circumference to be recessed and arranged in such a way that the tongue end forms the load connection member or, in interaction with one or more adjacent tongue ends, carries the load connection member inserted into the recess.
申请公布号 DE3402361(A1) 申请公布日期 1985.08.01
申请号 DE19843402361 申请日期 1984.01.25
申请人 MUELLER & BORGGRAEFE KG 发明人 GROPP,OTTOKAR
分类号 E21D21/00;(IPC1-7):E21D21/00 主分类号 E21D21/00
代理机构 代理人
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