JPS52115768A - Method of bending double pipe - Google Patents
Method of bending double pipeInfo
- Publication number
- JPS52115768A JPS52115768A JP3292876A JP3292876A JPS52115768A JP S52115768 A JPS52115768 A JP S52115768A JP 3292876 A JP3292876 A JP 3292876A JP 3292876 A JP3292876 A JP 3292876A JP S52115768 A JPS52115768 A JP S52115768A
- Authority
- JP
- Japan
- Prior art keywords
- double pipe
- bending double
- bending
- 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.)
- Pending
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3292876A JPS52115768A (en) | 1976-03-25 | 1976-03-25 | Method of bending double pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3292876A JPS52115768A (en) | 1976-03-25 | 1976-03-25 | Method of bending double pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52115768A true JPS52115768A (en) | 1977-09-28 |
Family
ID=12372562
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3292876A Pending JPS52115768A (en) | 1976-03-25 | 1976-03-25 | Method of bending double pipe |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52115768A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002120020A (en) * | 2000-10-18 | 2002-04-23 | Opton Co Ltd | Double tube bending method, and device therefor |
JP2010151156A (en) * | 2008-12-24 | 2010-07-08 | Jfe Engineering Corp | Underground double-walled pipe and pipeline having the underground double-walled pipe |
CN105127316A (en) * | 2015-09-18 | 2015-12-09 | 重庆金仑机械制造有限责任公司 | Pipe end reduction device and reduction machining method |
-
1976
- 1976-03-25 JP JP3292876A patent/JPS52115768A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002120020A (en) * | 2000-10-18 | 2002-04-23 | Opton Co Ltd | Double tube bending method, and device therefor |
JP4592913B2 (en) * | 2000-10-18 | 2010-12-08 | 株式会社オプトン | Double pipe bending machine |
JP2010151156A (en) * | 2008-12-24 | 2010-07-08 | Jfe Engineering Corp | Underground double-walled pipe and pipeline having the underground double-walled pipe |
CN105127316A (en) * | 2015-09-18 | 2015-12-09 | 重庆金仑机械制造有限责任公司 | Pipe end reduction device and reduction machining method |
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