JPS63878Y2 - - Google Patents
Info
- Publication number
- JPS63878Y2 JPS63878Y2 JP4309682U JP4309682U JPS63878Y2 JP S63878 Y2 JPS63878 Y2 JP S63878Y2 JP 4309682 U JP4309682 U JP 4309682U JP 4309682 U JP4309682 U JP 4309682U JP S63878 Y2 JPS63878 Y2 JP S63878Y2
- Authority
- JP
- Japan
- Prior art keywords
- pedestal
- crown
- control valve
- tip
- water control
- 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.)
- Expired
Links
- 238000005553 drilling Methods 0.000 claims description 29
- 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 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 239000000696 magnetic material Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 description 17
- 239000002184 metal Substances 0.000 description 17
- 238000013459 approach Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 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 JPS58149492U (ja) | 1983-10-07 |
| JPS63878Y2 true 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 |
|---|---|
| JPS58149492U (ja) | 1983-10-07 |
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