发明名称 |
Pile apparatus and construction process of placing concrete pile in ground |
摘要 |
The present invention relates to a concrete pile construction method and an apparatus used for improving soft earth ground by constructing reinforced bar concrete pile structures in the earth. The purpose of the present invention is to provide a process for securing firm concrete piles having a reinforced bar core with uniform concrete by means of a pile apparatus in which projections are radially formed and a conical-shaped bit is formed pointedly on said pile apparatus.
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申请公布号 |
US2003021637(A1) |
申请公布日期 |
2003.01.30 |
申请号 |
US20010995046 |
申请日期 |
2001.11.27 |
申请人 |
YANG WON-HOI;LEE HO-SANG |
发明人 |
YANG WON-HOI;LEE HO-SANG |
分类号 |
E02D5/34;E02D5/38;(IPC1-7):E02D5/30 |
主分类号 |
E02D5/34 |
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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