JPS5439353A - Method of producting metal pipe with groove or projection on inner surface - Google Patents
Method of producting metal pipe with groove or projection on inner surfaceInfo
- Publication number
- JPS5439353A JPS5439353A JP10565677A JP10565677A JPS5439353A JP S5439353 A JPS5439353 A JP S5439353A JP 10565677 A JP10565677 A JP 10565677A JP 10565677 A JP10565677 A JP 10565677A JP S5439353 A JPS5439353 A JP S5439353A
- Authority
- JP
- Japan
- Prior art keywords
- projection
- groove
- producting
- metal pipe
- pipe
- 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.)
- Pending
Links
Landscapes
- Metal Extraction Processes (AREA)
Abstract
PURPOSE: To produce a long-sized pipe with a line groove or projection on the inner surface with a rotating planetary roll outside thereof pressed against a plug fixed inside thereof utilizing an electromagnetic force while given an axial feed to the pipe.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10565677A JPS5439353A (en) | 1977-09-02 | 1977-09-02 | Method of producting metal pipe with groove or projection on inner surface |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10565677A JPS5439353A (en) | 1977-09-02 | 1977-09-02 | Method of producting metal pipe with groove or projection on inner surface |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5439353A true JPS5439353A (en) | 1979-03-26 |
Family
ID=14413476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10565677A Pending JPS5439353A (en) | 1977-09-02 | 1977-09-02 | Method of producting metal pipe with groove or projection on inner surface |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5439353A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5645229A (en) * | 1979-09-18 | 1981-04-24 | Kuniyoshi Nakamura | Forming method for taper pipe provided with plural longitudinal groove at inner surface of pipe end |
JPS5645230A (en) * | 1979-09-18 | 1981-04-24 | Kuniyoshi Nakamura | Forming method for taper pipe provided with spiral groove at inner surface of pipe end |
JPS604797A (en) * | 1983-06-21 | 1985-01-11 | Kobe Steel Ltd | Heat transfer tube equipped with groove on inner surface thereof and manufacture thereof |
-
1977
- 1977-09-02 JP JP10565677A patent/JPS5439353A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5645229A (en) * | 1979-09-18 | 1981-04-24 | Kuniyoshi Nakamura | Forming method for taper pipe provided with plural longitudinal groove at inner surface of pipe end |
JPS5645230A (en) * | 1979-09-18 | 1981-04-24 | Kuniyoshi Nakamura | Forming method for taper pipe provided with spiral groove at inner surface of pipe end |
JPS638859B2 (en) * | 1979-09-18 | 1988-02-24 | Kunyoshi Nakamura | |
JPS604797A (en) * | 1983-06-21 | 1985-01-11 | Kobe Steel Ltd | Heat transfer tube equipped with groove on inner surface thereof and manufacture thereof |
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