JPS6137015B2 - - Google Patents
Info
- Publication number
- JPS6137015B2 JPS6137015B2 JP12409981A JP12409981A JPS6137015B2 JP S6137015 B2 JPS6137015 B2 JP S6137015B2 JP 12409981 A JP12409981 A JP 12409981A JP 12409981 A JP12409981 A JP 12409981A JP S6137015 B2 JPS6137015 B2 JP S6137015B2
- Authority
- JP
- Japan
- Prior art keywords
- tube
- diameter
- expansion
- tubes
- temperature
- 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
- 239000007788 liquid Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 8
- 238000005336 cracking Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000008399 tap water Substances 0.000 description 5
- 235000020679 tap water Nutrition 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 229910000975 Carbon steel Inorganic materials 0.000 description 3
- 239000010962 carbon steel Substances 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/08—Tube expanders
- B21D39/20—Tube expanders with mandrels, e.g. expandable
- B21D39/203—Tube expanders with mandrels, e.g. expandable expandable by fluid or elastic material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Heat Treatment Of Articles (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12409981A JPS5825819A (ja) | 1981-08-10 | 1981-08-10 | 自緊二重管製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12409981A JPS5825819A (ja) | 1981-08-10 | 1981-08-10 | 自緊二重管製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5825819A JPS5825819A (ja) | 1983-02-16 |
| JPS6137015B2 true JPS6137015B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-08-21 |
Family
ID=14876895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12409981A Granted JPS5825819A (ja) | 1981-08-10 | 1981-08-10 | 自緊二重管製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5825819A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4406726A1 (de) * | 1994-03-02 | 1995-09-07 | Balcke Duerr Ag | Verfahren und Vorrichtung zur Herstellung von Verbundrohren |
-
1981
- 1981-08-10 JP JP12409981A patent/JPS5825819A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5825819A (ja) | 1983-02-16 |