发明名称 Driving formation for a stranded reinforcing element
摘要 <p>A stranded reinforcing element (i.e. rock bolt)(10) has a drive formation (20) formed by removing a length of one or more adjacent strands from an end of the reinforcing element (10). The driving formation (20) may be engaged by a corresponding socket (30 - see figure 5) to apply thrust and torque to the reinforcing element (10).</p>
申请公布号 GB2370864(A) 申请公布日期 2002.07.10
申请号 GB20010000235 申请日期 2001.01.04
申请人 * FIRTH RIXSON STRATA PRODUCTS LIMITED;* TRACKING TRADER LIMITED 发明人 STEVEN * MITCHELL;TERENCE * CASSIDY
分类号 E21D21/00;(IPC1-7):E21D21/00 主分类号 E21D21/00
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