JPS52115768A - Method of bending double pipe - Google Patents

Method of bending double pipe

Info

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
Application number
JP3292876A
Other languages
Japanese (ja)
Inventor
Akimoto Karasawa
Tadayoshi Kokoroishi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP3292876A priority Critical patent/JPS52115768A/en
Publication of JPS52115768A publication Critical patent/JPS52115768A/en
Pending legal-status Critical Current

Links

JP3292876A 1976-03-25 1976-03-25 Method of bending double pipe Pending JPS52115768A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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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