JPH0320639Y2 - - Google Patents
Info
- Publication number
- JPH0320639Y2 JPH0320639Y2 JP7647485U JP7647485U JPH0320639Y2 JP H0320639 Y2 JPH0320639 Y2 JP H0320639Y2 JP 7647485 U JP7647485 U JP 7647485U JP 7647485 U JP7647485 U JP 7647485U JP H0320639 Y2 JPH0320639 Y2 JP H0320639Y2
- Authority
- JP
- Japan
- Prior art keywords
- inner tube
- joint
- coupling ring
- inner pipe
- welding
- 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
- 230000008878 coupling Effects 0.000 claims description 18
- 238000010168 coupling process Methods 0.000 claims description 18
- 238000005859 coupling reaction Methods 0.000 claims description 18
- 238000003466 welding Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 238000009413 insulation Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
Landscapes
- Thermal Insulation (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7647485U JPH0320639Y2 (US06623731-20030923-C00052.png) | 1985-05-24 | 1985-05-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7647485U JPH0320639Y2 (US06623731-20030923-C00052.png) | 1985-05-24 | 1985-05-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61193292U JPS61193292U (US06623731-20030923-C00052.png) | 1986-12-01 |
| JPH0320639Y2 true JPH0320639Y2 (US06623731-20030923-C00052.png) | 1991-05-02 |
Family
ID=30618648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7647485U Expired JPH0320639Y2 (US06623731-20030923-C00052.png) | 1985-05-24 | 1985-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0320639Y2 (US06623731-20030923-C00052.png) |
-
1985
- 1985-05-24 JP JP7647485U patent/JPH0320639Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61193292U (US06623731-20030923-C00052.png) | 1986-12-01 |
