发明名称 Individual mining prop.
摘要 1. The individual mining prop consists of two straight sections of arching profiles. The sections overlap partly and they are clamped with at least one crosswise strap and with bolts. Unique characteristics: The lugs (12) containing bolts (4) are integrated with the profile section, which constitutes the stool shoot (2) of the prop. It is also equipped with the supports (5) integrated with the stool shoot (2) on its sides and below the bottom strap (3). The supports reach up to the bottom edge of the strap (3).
申请公布号 PL177952(B1) 申请公布日期 2000.02.29
申请号 PL19950310093 申请日期 1995.08.17
申请人 FABRYKA ZMECHANIZOWANYCH OBUDOW SCIANOWYCH "FAZOS" SA 发明人 DREWNIAK ADOLF;RYMER ANDRZEJ;SOSNICA JOACHIM;RYMER GRZEGORZ
分类号 E21D15/28;E21D15/44 主分类号 E21D15/28
代理机构 代理人
主权项
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