发明名称 Lagging mat for the support system underground, in particular forepoling lagging mat
摘要 As a novel forepoling lagging mat, in particular for use underground, a mat is proposed in which in each case two longitudinal bars (e.g. 21 and 21') are formed by a bow (21/21'), in which arrangement the apex-side projecting lengths (211, 211') of the legs (21 and 21') beyond the corresponding last cross bar (31) in the apex (213) run together in such a way as to form an eye (214), and the opposite projecting lengths (212, 212') of the legs (21 and 21') beyond the corresponding last cross bar (39) are bent out after running together (216, 216') to form a hammer-head-like structure (218) which can be hung into the corresponding eye (214) of the preceding mat. <IMAGE>
申请公布号 DE3328799(A1) 申请公布日期 1985.02.28
申请号 DE19833328799 申请日期 1983.08.10
申请人 POTTSCHULL,HEINRICH 发明人 POTTSCHULL,HEINRICH
分类号 E21D11/15;(IPC1-7):E21D11/15 主分类号 E21D11/15
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