JPS6311616Y2 - - Google Patents
Info
- Publication number
- JPS6311616Y2 JPS6311616Y2 JP2997981U JP2997981U JPS6311616Y2 JP S6311616 Y2 JPS6311616 Y2 JP S6311616Y2 JP 2997981 U JP2997981 U JP 2997981U JP 2997981 U JP2997981 U JP 2997981U JP S6311616 Y2 JPS6311616 Y2 JP S6311616Y2
- Authority
- JP
- Japan
- Prior art keywords
- piece
- packing body
- steel pipe
- sealing device
- pieces
- 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
- 238000012856 packing Methods 0.000 claims description 50
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- 238000007789 sealing Methods 0.000 claims description 27
- 238000012360 testing method Methods 0.000 claims description 19
- 230000002093 peripheral effect Effects 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Examining Or Testing Airtightness (AREA)
- Sealing Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2997981U JPS6311616Y2 (enrdf_load_stackoverflow) | 1981-03-03 | 1981-03-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2997981U JPS6311616Y2 (enrdf_load_stackoverflow) | 1981-03-03 | 1981-03-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57142341U JPS57142341U (enrdf_load_stackoverflow) | 1982-09-07 |
| JPS6311616Y2 true JPS6311616Y2 (enrdf_load_stackoverflow) | 1988-04-05 |
Family
ID=29827514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2997981U Expired JPS6311616Y2 (enrdf_load_stackoverflow) | 1981-03-03 | 1981-03-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6311616Y2 (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6933519B2 (ja) * | 2017-07-19 | 2021-09-08 | Nok株式会社 | 密封装置 |
-
1981
- 1981-03-03 JP JP2997981U patent/JPS6311616Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57142341U (enrdf_load_stackoverflow) | 1982-09-07 |
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