| 发明名称 | Dual pipe rod assembly section, horizontal drilling device and probe housing | ||
| 摘要 | A dual pipe rod assembly section includes an inner rod section and an outer rod section, with a probe which is arranged in the dual pipe rod assembly section, a horizontal drilling device and a probe housing. The probe is arranged in the inner rod section and rotationally coupled to the outer rod section. | ||
| 申请公布号 | US9291008(B2) | 申请公布日期 | 2016.03.22 |
| 申请号 | US201213485251 | 申请日期 | 2012.05.31 |
| 申请人 | TRACTO-TECHNIK GMBH & CO. KG | 发明人 | Koch Elmar;Fischer Sebastian |
| 分类号 | E21B17/18;E21B47/01;E21B47/024;E21B7/00;E21B7/04;E21B7/20;E21B17/10 | 主分类号 | E21B17/18 |
| 代理机构 | Howard IP Law Group, PC | 代理人 | Howard IP Law Group, PC |
| 主权项 | 1. A dual pipe rod assembly section comprising: an outer rod section; an inner rod section independently rotatable with respect to the outer rod section; a probe arranged in the inner rod section, wherein the probe is independently rotatable with respect to the inner rod section and is coupled to the outer rod section to co-rotate with the outer rod section; and a housing disposed in the inner rod section, wherein the probe is centrically arranged in the housing and wherein the housing is independently rotatable with respect to the inner rod section. | ||
| 地址 | Lennestadt DE | ||