JPS58149492U - 穿孔ロツドの埋設物損傷防止装置 - Google Patents
穿孔ロツドの埋設物損傷防止装置Info
- Publication number
- JPS58149492U JPS58149492U JP4309682U JP4309682U JPS58149492U JP S58149492 U JPS58149492 U JP S58149492U JP 4309682 U JP4309682 U JP 4309682U JP 4309682 U JP4309682 U JP 4309682U JP S58149492 U JPS58149492 U JP S58149492U
- Authority
- JP
- Japan
- Prior art keywords
- preventing damage
- buried objects
- pedestal
- drilling rods
- tip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title claims description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 239000000696 magnetic material Substances 0.000 claims 2
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4309682U JPS58149492U (ja) | 1982-03-29 | 1982-03-29 | 穿孔ロツドの埋設物損傷防止装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4309682U JPS58149492U (ja) | 1982-03-29 | 1982-03-29 | 穿孔ロツドの埋設物損傷防止装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58149492U true JPS58149492U (ja) | 1983-10-07 |
| JPS63878Y2 JPS63878Y2 (enrdf_load_stackoverflow) | 1988-01-11 |
Family
ID=30054193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4309682U Granted JPS58149492U (ja) | 1982-03-29 | 1982-03-29 | 穿孔ロツドの埋設物損傷防止装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58149492U (enrdf_load_stackoverflow) |
-
1982
- 1982-03-29 JP JP4309682U patent/JPS58149492U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63878Y2 (enrdf_load_stackoverflow) | 1988-01-11 |
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