JPS6120753B2 - - Google Patents
Info
- Publication number
- JPS6120753B2 JPS6120753B2 JP4548280A JP4548280A JPS6120753B2 JP S6120753 B2 JPS6120753 B2 JP S6120753B2 JP 4548280 A JP4548280 A JP 4548280A JP 4548280 A JP4548280 A JP 4548280A JP S6120753 B2 JPS6120753 B2 JP S6120753B2
- Authority
- JP
- Japan
- Prior art keywords
- tube
- main pipe
- communication hole
- movable element
- pipe
- 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
- 238000004891 communication Methods 0.000 claims description 17
- 230000005284 excitation Effects 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 239000000696 magnetic material Substances 0.000 description 5
- 238000005553 drilling Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4548280A JPS56141491A (en) | 1980-04-07 | 1980-04-07 | Interconnection of main pipe and branch pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4548280A JPS56141491A (en) | 1980-04-07 | 1980-04-07 | Interconnection of main pipe and branch pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56141491A JPS56141491A (en) | 1981-11-05 |
| JPS6120753B2 true JPS6120753B2 (enrdf_load_stackoverflow) | 1986-05-23 |
Family
ID=12720612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4548280A Granted JPS56141491A (en) | 1980-04-07 | 1980-04-07 | Interconnection of main pipe and branch pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56141491A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58106198U (ja) * | 1982-01-08 | 1983-07-19 | 東邦瓦斯株式会社 | 内面プラスチツクライニング幹管の枝管開口装置 |
| JPS58143998A (ja) * | 1982-02-16 | 1983-08-26 | 日本電気株式会社 | 金属管の開口部加工装置 |
-
1980
- 1980-04-07 JP JP4548280A patent/JPS56141491A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56141491A (en) | 1981-11-05 |
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