| 摘要 |
The invention relates to a device for implanting an insert 23 in the ground 7. The rotary striking hammer 1 drives in the tube 5, the hollow head of which has a removable end plug 13. This plug 13 is punched out from the inside of the tube 5, at the far end of the bore, and the insert 23 is then installed in this tube. The tube 5 is then withdrawn. Application : positioning of flexible drains, of electrical cables, of ties, etc. <IMAGE>
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