JPH0334412B2 - - Google Patents
Info
- Publication number
- JPH0334412B2 JPH0334412B2 JP24294285A JP24294285A JPH0334412B2 JP H0334412 B2 JPH0334412 B2 JP H0334412B2 JP 24294285 A JP24294285 A JP 24294285A JP 24294285 A JP24294285 A JP 24294285A JP H0334412 B2 JPH0334412 B2 JP H0334412B2
- Authority
- JP
- Japan
- Prior art keywords
- tube
- elastic ring
- inner tube
- pipe
- double
- 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
- 238000004519 manufacturing process Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000000110 cooling liquid Substances 0.000 claims description 2
- 239000000498 cooling water Substances 0.000 description 9
- 238000001816 cooling Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 4
- 229920001875 Ebonite Polymers 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24294285A JPS62104634A (ja) | 1985-10-31 | 1985-10-31 | 二重管製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24294285A JPS62104634A (ja) | 1985-10-31 | 1985-10-31 | 二重管製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62104634A JPS62104634A (ja) | 1987-05-15 |
| JPH0334412B2 true JPH0334412B2 (zh) | 1991-05-22 |
Family
ID=17096511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24294285A Granted JPS62104634A (ja) | 1985-10-31 | 1985-10-31 | 二重管製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62104634A (zh) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008025918A (ja) * | 2006-07-21 | 2008-02-07 | Mitsubishi Heavy Ind Ltd | 拡管方法 |
| JP2011247429A (ja) * | 2008-09-17 | 2011-12-08 | Daikin Industries Ltd | 冷媒加熱装置の製造方法 |
-
1985
- 1985-10-31 JP JP24294285A patent/JPS62104634A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62104634A (ja) | 1987-05-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |