JPH01133614A - 彎曲管の製造方法およびその装置 - Google Patents

彎曲管の製造方法およびその装置

Info

Publication number: JPH01133614A
Authority: JP; Japan
Prior art keywords: curved; hole; core; pipe; bar
Prior art date: 1987-11-18
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.): Granted

Application number

JP29121087A

Other languages

English (en)

Japanese (ja)

Other versions

JPH0257456B2 (de

Inventor

Taiji Goto

泰治後藤

Hidetoshi Yamamoto

英俊山本

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.)

Mie Horo Co Ltd

Original Assignee

Mie Horo Co Ltd

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.)

1987-11-18

Filing date

1987-11-18

Publication date

1989-05-25

1987-11-18 Application filed by Mie Horo Co Ltd filed Critical Mie Horo Co Ltd

1987-11-18 Priority to JP29121087A priority Critical patent/JPH01133614A/ja

1989-05-25 Publication of JPH01133614A publication Critical patent/JPH01133614A/ja

1990-12-05 Publication of JPH0257456B2 publication Critical patent/JPH0257456B2/ja

Status Granted legal-status Critical Current

Links

238000004519 manufacturing process Methods 0.000 title claims abstract description 13
238000000034 method Methods 0.000 title claims description 15
239000002184 metal Substances 0.000 claims description 35
238000000465 moulding Methods 0.000 claims description 16
239000000463 material Substances 0.000 claims description 11
230000013011 mating Effects 0.000 claims description 3
230000037303 wrinkles Effects 0.000 abstract description 3
206010011224 Cough Diseases 0.000 description 2
229910000831 Steel Inorganic materials 0.000 description 2
238000010586 diagram Methods 0.000 description 2
238000005516 engineering process Methods 0.000 description 2
239000010959 steel Substances 0.000 description 2
210000000988 bone and bone Anatomy 0.000 description 1
238000004080 punching Methods 0.000 description 1
239000002994 raw material Substances 0.000 description 1
238000003466 welding Methods 0.000 description 1

Landscapes

Bending Of Plates, Rods, And Pipes (AREA)

JP29121087A 1987-11-18 1987-11-18 彎曲管の製造方法およびその装置 Granted JPH01133614A (ja)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP29121087A JPH01133614A (ja)	1987-11-18	1987-11-18	彎曲管の製造方法およびその装置

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP29121087A JPH01133614A (ja)	1987-11-18	1987-11-18	彎曲管の製造方法およびその装置

Publications (2)

Publication Number	Publication Date
JPH01133614A true JPH01133614A (ja)	1989-05-25
JPH0257456B2 JPH0257456B2 (de)	1990-12-05

Family

ID=17765888

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP29121087A Granted JPH01133614A (ja)	1987-11-18	1987-11-18	彎曲管の製造方法およびその装置

Country Status (1)

Country	Link
JP (1)	JPH01133614A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN111085833A (zh) *	2019-11-26	2020-05-01	重庆大学	一种利用局部温差控制弯孔体积塑性成形畸变的方法

1987
- 1987-11-18 JP JP29121087A patent/JPH01133614A/ja active Granted

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN111085833A (zh) *	2019-11-26	2020-05-01	重庆大学	一种利用局部温差控制弯孔体积塑性成形畸变的方法
CN111085833B (zh) *	2019-11-26	2022-04-29	重庆大学	一种利用局部温差控制弯孔体积塑性成形畸变的方法

Also Published As

Publication number	Publication date
JPH0257456B2 (de)	1990-12-05

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Legal Events

Date	Code	Title	Description
2005-11-29	R250	Receipt of annual fees	Free format text: JAPANESE INTERMEDIATE CODE: R250
2006-12-05	R250	Receipt of annual fees	Free format text: JAPANESE INTERMEDIATE CODE: R250
2007-11-18	EXPY	Cancellation because of completion of term