A MULTIFUNCTIONAL SCREW DRILL AND REAMING DEVICE |
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| 申请号 | PCT/TT2010000001 | 申请日 | 2010-08-13 | 公开(公告)号 | WO2011056162A2 | 公开(公告)日 | 2011-05-12 |
| 申请人 | MOHAMED LEONARDO; | 发明人 | MOHAMED LEONARDO; | ||||
| 摘要 | A multifunctional screw drill and reaming device, for the testing of the structure and composition of various soil types, as well as for sampling and boring, extracting and injecting of gases and various types of chemicals as well as liquids, slurry, granules and solids. Screws can be hydraulically, pneumatically, mechanically, electrically, or manually driven. Dependent upon the operation, the secondary screws can rotate and change position or rotational direction within the primary screw's bore, or both primary and secondary screws can be coupled and rotate as one unit. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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