JPS6343171B2 - - Google Patents

Info

Publication number: JPS6343171B2
Authority: JP; Japan
Prior art keywords: pipe; bent; heating; bending; ring
Prior art date: 1985-02-07
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

Application number

JP2239685A

Other languages

English (en)

Japanese (ja)

Other versions

JPS61182825A (ja

Inventor

Junji Sumikawa

Chomei Sasaki

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.)

Hitachi Ltd

Original Assignee

Hitachi 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.)

1985-02-07

Filing date

1985-02-07

Publication date

1988-08-29

1985-02-07 Application filed by Hitachi Ltd filed Critical Hitachi Ltd

1985-02-07 Priority to JP2239685A priority Critical patent/JPS61182825A/ja

1986-08-15 Publication of JPS61182825A publication Critical patent/JPS61182825A/ja

1988-08-29 Publication of JPS6343171B2 publication Critical patent/JPS6343171B2/ja

Status Granted legal-status Critical Current

Links

238000010438 heat treatment Methods 0.000 claims description 112
238000001816 cooling Methods 0.000 claims description 80
238000005452 bending Methods 0.000 claims description 51
230000006698 induction Effects 0.000 claims description 42
238000000034 method Methods 0.000 claims description 21
238000007664 blowing Methods 0.000 claims description 2
230000000903 blocking effect Effects 0.000 claims 1
239000000498 cooling water Substances 0.000 description 20
239000000463 material Substances 0.000 description 16
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
239000002826 coolant Substances 0.000 description 11
238000010586 diagram Methods 0.000 description 8
238000002347 injection Methods 0.000 description 6
239000007924 injection Substances 0.000 description 6
230000001788 irregular Effects 0.000 description 3
230000037303 wrinkles Effects 0.000 description 3
239000000919 ceramic Substances 0.000 description 2
238000007796 conventional method Methods 0.000 description 2
239000003595 mist Substances 0.000 description 2
230000006378 damage Effects 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
230000000694 effects Effects 0.000 description 1
210000002310 elbow joint Anatomy 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
239000004744 fabric Substances 0.000 description 1
239000000835 fiber Substances 0.000 description 1
230000005484 gravity Effects 0.000 description 1
230000020169 heat generation Effects 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
239000002184 metal Substances 0.000 description 1
238000003672 processing method Methods 0.000 description 1
238000005507 spraying Methods 0.000 description 1
230000003685 thermal hair damage Effects 0.000 description 1

Landscapes

Bending Of Plates, Rods, And Pipes (AREA)

JP2239685A 1985-02-07 1985-02-07 高周波誘導加熱曲げ加工方法及び装置 Granted JPS61182825A (ja)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP2239685A JPS61182825A (ja)	1985-02-07	1985-02-07	高周波誘導加熱曲げ加工方法及び装置

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP2239685A JPS61182825A (ja)	1985-02-07	1985-02-07	高周波誘導加熱曲げ加工方法及び装置

Publications (2)

Publication Number	Publication Date
JPS61182825A JPS61182825A (ja)	1986-08-15
JPS6343171B2 true JPS6343171B2 (2)	1988-08-29

Family

ID=12081497

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP2239685A Granted JPS61182825A (ja)	1985-02-07	1985-02-07	高周波誘導加熱曲げ加工方法及び装置

Country Status (1)

Country	Link
JP (1)	JPS61182825A (2)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN104148464B (zh) *	2014-07-29	2016-01-20	张家港保税区金品化工机械设备有限公司	弯头热推成型加热装置
CN106661649B (zh) *	2014-10-08	2019-05-03	新日铁住金株式会社	具有高强度和优异的化学转化处理性的热处理钢制品及其制造方法

1985
- 1985-02-07 JP JP2239685A patent/JPS61182825A/ja active Granted

Also Published As

Publication number	Publication date
JPS61182825A (ja)	1986-08-15

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