发明名称 Shield-type support for underground winning operations
摘要 The invention relates to a shield-type support assembly 1 for underground winning operations, the gob shield or roof canopy of which is constructed as roof-canopy and gob-shield element 4. In this arrangement, the roof-canopy and gob-shield element 4 has intermediate elements 7 of identical construction. Here, the number of fitted intermediate elements 7 can be changed as a function of the existing seam thickness. <IMAGE>
申请公布号 DE3502414(A1) 申请公布日期 1986.07.31
申请号 DE19853502414 申请日期 1985.01.25
申请人 GEWERKSCHAFT EISENHUETTE WESTFALIA 发明人 HEUSER,EWALD
分类号 E21D23/00;E21D23/06;(IPC1-7):E21D23/04 主分类号 E21D23/00
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