JPH055565B2 - - Google Patents
Info
- Publication number
- JPH055565B2 JPH055565B2 JP10897285A JP10897285A JPH055565B2 JP H055565 B2 JPH055565 B2 JP H055565B2 JP 10897285 A JP10897285 A JP 10897285A JP 10897285 A JP10897285 A JP 10897285A JP H055565 B2 JPH055565 B2 JP H055565B2
- Authority
- JP
- Japan
- Prior art keywords
- tube
- grooved
- plug
- diameter
- groove
- 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 - Lifetime
Links
- 230000006835 compression Effects 0.000 claims description 36
- 238000007906 compression Methods 0.000 claims description 36
- 239000002184 metal Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000003754 machining Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Landscapes
- Metal Extraction Processes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10897285A JPS61266121A (ja) | 1985-05-20 | 1985-05-20 | 内面溝付管の加工装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10897285A JPS61266121A (ja) | 1985-05-20 | 1985-05-20 | 内面溝付管の加工装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61266121A JPS61266121A (ja) | 1986-11-25 |
JPH055565B2 true JPH055565B2 (en]) | 1993-01-22 |
Family
ID=14498317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10897285A Granted JPS61266121A (ja) | 1985-05-20 | 1985-05-20 | 内面溝付管の加工装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61266121A (en]) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4854148A (en) * | 1987-06-19 | 1989-08-08 | The Babcock & Wilcox Company | Cold drawing technique and apparatus for forming internally grooved tubes |
JPS6415216A (en) * | 1987-07-07 | 1989-01-19 | Kobe Steel Ltd | Grooving method for inner surface of metallic pipe |
JPH0824952B2 (ja) * | 1988-11-15 | 1996-03-13 | 日立電線株式会社 | 管内凝縮用伝熱管およびその製造方法 |
-
1985
- 1985-05-20 JP JP10897285A patent/JPS61266121A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS61266121A (ja) | 1986-11-25 |
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