发明公开
- 专利标题： PNEUMATIC PERFORATOR
- 专利标题（中）： 气动穿孔
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申请号： EP04816703.5申请日： 2004-09-09
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公开(公告)号： EP1753931A1公开(公告)日： 2007-02-21
- 发明人: MATEESCU, Paul
- 申请人： S.C. Ramira S.A.
- 申请人地址： Str. Vasile Lucaciu nr. 160, Baia Mare, jud. 430402 Maramures RO
- 专利权人： S.C. Ramira S.A.
- 当前专利权人： S.C. Ramira S.A.
- 当前专利权人地址： Str. Vasile Lucaciu nr. 160, Baia Mare, jud. 430402 Maramures RO
- 代理机构： Ciuda-Berivoe, Anca
- 优先权： RO200400513 20040607
- 国际公布： WO2005121492 20051222
- 主分类号： E21B1/30
- IPC分类号： E21B1/30
摘要：
The invention is referring to a pneumatic perforator for drilling in mining industry having a head cylinder including the admission valve of the compressed air and the water washing installation for the perforated hole washing, characterized by that the perforator is provided by a quick change of the rotation speed device (B) which's line grooved bushing (8) placed in a gear's hub (9) is driving an pipe shaft (16) provided by idlers (17, 18, 19) geared by the steering wheels (22, 23, 24) fixed on the rotation bushing (25) in which is pressed the drill-bushing (30); its rotation speed is selected by a mobile peen (31) assembled in the rod (32).
公开/授权文献
- EP1753931B1 PNEUMATIC PERFORATOR 公开/授权日：2008-07-09
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