发明名称 |
BACKHEAD OF HYDRAULIC BREAKER |
摘要 |
<p>The present invention relates to a backhead of a hydraulic breaker, which allows an existing backhead to be separated from a conventional hydraulic breaker case and the backhead to be fastened thereto, thereby having compatibility, and which increases supplementary nitrogen gas pressure, thereby improving the impact energy of the breaker.</p> |
申请公布号 |
WO2015046833(A1) |
申请公布日期 |
2015.04.02 |
申请号 |
WO2014KR08769 |
申请日期 |
2014.09.22 |
申请人 |
LEE, YOUNG WOOK;NO, JUN HO |
发明人 |
LEE, YOUNG WOOK;NO, JUN HO |
分类号 |
E21B1/24;E21B1/26 |
主分类号 |
E21B1/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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