JPS62234621A - 二重管曲げ加工方法 - Google Patents

二重管曲げ加工方法

Info

Publication number
JPS62234621A
JPS62234621A JP7417386A JP7417386A JPS62234621A JP S62234621 A JPS62234621 A JP S62234621A JP 7417386 A JP7417386 A JP 7417386A JP 7417386 A JP7417386 A JP 7417386A JP S62234621 A JPS62234621 A JP S62234621A
Authority
JP
Japan
Prior art keywords
bending
particles
fine particles
pipe
gap
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.)
Granted
Application number
JP7417386A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0371925B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Kazuhisa Aoeda
青枝　一久
Toshiaki Okada
岡田　敏明
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.)
Yutaka Giken Co Ltd
Original Assignee
Yutaka Giken 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 Yutaka Giken Co Ltd filed Critical Yutaka Giken Co Ltd
Priority to JP7417386A priority Critical patent/JPS62234621A/ja
Publication of JPS62234621A publication Critical patent/JPS62234621A/ja
Publication of JPH0371925B2 publication Critical patent/JPH0371925B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/005—Processes combined with methods covered by groups B21D1/00 - B21D31/00 characterized by the material of the blank or the workpiece
    • B21D35/007—Layered blanks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
JP7417386A 1986-04-02 1986-04-02 二重管曲げ加工方法 Granted JPS62234621A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7417386A JPS62234621A (ja) 1986-04-02 1986-04-02 二重管曲げ加工方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7417386A JPS62234621A (ja) 1986-04-02 1986-04-02 二重管曲げ加工方法

Publications (2)

Publication Number Publication Date
JPS62234621A true JPS62234621A (ja) 1987-10-14
JPH0371925B2 JPH0371925B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-11-15

Family

ID=13539500

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7417386A Granted JPS62234621A (ja) 1986-04-02 1986-04-02 二重管曲げ加工方法

Country Status (1)

Country Link
JP (1) JPS62234621A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04305320A (ja) * 1991-03-29 1992-10-28 Yutaka Giken Co Ltd 二重管曲げ加工方法
JP2002120018A (ja) * 2000-10-18 2002-04-23 Opton Co Ltd 二重管の曲げ加工方法及びその装置
DE10357156A1 (de) * 2003-12-06 2005-07-07 Bayerische Motoren Werke Ag Rohrbiegeanlage
WO2007095945A1 (en) * 2006-02-21 2007-08-30 Stema Engineering A/S Method and bending machine for bending bar-shaped material

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5870926A (ja) * 1981-10-22 1983-04-27 Mitsubishi Heavy Ind Ltd 管曲げ方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5870926A (ja) * 1981-10-22 1983-04-27 Mitsubishi Heavy Ind Ltd 管曲げ方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04305320A (ja) * 1991-03-29 1992-10-28 Yutaka Giken Co Ltd 二重管曲げ加工方法
JP2002120018A (ja) * 2000-10-18 2002-04-23 Opton Co Ltd 二重管の曲げ加工方法及びその装置
DE10357156A1 (de) * 2003-12-06 2005-07-07 Bayerische Motoren Werke Ag Rohrbiegeanlage
WO2007095945A1 (en) * 2006-02-21 2007-08-30 Stema Engineering A/S Method and bending machine for bending bar-shaped material

Also Published As

Publication number Publication date
JPH0371925B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-11-15

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees