JPS6251695B2 - - Google Patents
Info
- Publication number
- JPS6251695B2 JPS6251695B2 JP16422981A JP16422981A JPS6251695B2 JP S6251695 B2 JPS6251695 B2 JP S6251695B2 JP 16422981 A JP16422981 A JP 16422981A JP 16422981 A JP16422981 A JP 16422981A JP S6251695 B2 JPS6251695 B2 JP S6251695B2
- Authority
- JP
- Japan
- Prior art keywords
- tube
- pipe
- die
- circumference
- inner tube
- 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 10
- 239000007788 liquid Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 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
- B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16422981A JPS5865524A (ja) | 1981-10-16 | 1981-10-16 | 二重管製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16422981A JPS5865524A (ja) | 1981-10-16 | 1981-10-16 | 二重管製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5865524A JPS5865524A (ja) | 1983-04-19 |
| JPS6251695B2 true JPS6251695B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-10-31 |
Family
ID=15789120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16422981A Granted JPS5865524A (ja) | 1981-10-16 | 1981-10-16 | 二重管製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5865524A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013103811B3 (de) | 2013-04-16 | 2014-03-20 | EISENBAU KRäMER GMBH | Verfahren zum Herstellen eines mehrlagigen Großrohres |
| DE102014108145A1 (de) * | 2014-06-10 | 2015-12-17 | EISENBAU KRäMER GMBH | Verfahren zum Herstellen eines mehrlagigen Großrohres |
-
1981
- 1981-10-16 JP JP16422981A patent/JPS5865524A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5865524A (ja) | 1983-04-19 |