JPH0257456B2 - - Google Patents

Info

Publication number
JPH0257456B2
JPH0257456B2 JP29121087A JP29121087A JPH0257456B2 JP H0257456 B2 JPH0257456 B2 JP H0257456B2 JP 29121087 A JP29121087 A JP 29121087A JP 29121087 A JP29121087 A JP 29121087A JP H0257456 B2 JPH0257456 B2 JP H0257456B2
Authority
JP
Japan
Prior art keywords
curved
hole
core metal
forming hole
rod
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.)
Expired
Application number
JP29121087A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01133614A (ja
Inventor
Taiji Goto
Hidetoshi Yamamoto
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.)
Filing date
Publication date
Application filed by Mie Horo Co Ltd filed Critical Mie Horo Co Ltd
Priority to JP29121087A priority Critical patent/JPH01133614A/ja
Publication of JPH01133614A publication Critical patent/JPH01133614A/ja
Publication of JPH0257456B2 publication Critical patent/JPH0257456B2/ja
Granted legal-status Critical Current

Links

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 JPH01133614A (ja) 1989-05-25
JPH0257456B2 true 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)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH01133614A (ja) 1989-05-25

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