JPS58192625A - 管曲げ方法 - Google Patents

管曲げ方法

Info

Publication number
JPS58192625A
JPS58192625A JP7410382A JP7410382A JPS58192625A JP S58192625 A JPS58192625 A JP S58192625A JP 7410382 A JP7410382 A JP 7410382A JP 7410382 A JP7410382 A JP 7410382A JP S58192625 A JPS58192625 A JP S58192625A
Authority
JP
Japan
Prior art keywords
pipe
blank pipe
softened
bent
electrode
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
JP7410382A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0234694B2 (OSRAM
Inventor
Masanobu Nakamura
正信 中村
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP7410382A priority Critical patent/JPS58192625A/ja
Publication of JPS58192625A publication Critical patent/JPS58192625A/ja
Publication of JPH0234694B2 publication Critical patent/JPH0234694B2/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
    • B21D7/00—Bending rods, profiles, or tubes
    • B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
    • B21D7/162—Heating equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
JP7410382A 1982-05-01 1982-05-01 管曲げ方法 Granted JPS58192625A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7410382A JPS58192625A (ja) 1982-05-01 1982-05-01 管曲げ方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7410382A JPS58192625A (ja) 1982-05-01 1982-05-01 管曲げ方法

Publications (2)

Publication Number Publication Date
JPS58192625A true JPS58192625A (ja) 1983-11-10
JPH0234694B2 JPH0234694B2 (OSRAM) 1990-08-06

Family

ID=13537513

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7410382A Granted JPS58192625A (ja) 1982-05-01 1982-05-01 管曲げ方法

Country Status (1)

Country Link
JP (1) JPS58192625A (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01186221A (ja) * 1988-01-21 1989-07-25 Tsuji Giken Kogyo Kk 管の曲げ加工方法
US6094957A (en) * 1999-06-30 2000-08-01 Masunaga Optical Mfg. Co., Ltd. Method for bending difficult-to-work metallic wire and method for shaping coil section thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5268850A (en) * 1975-12-05 1977-06-08 Mannesmann Ag Method of and apparatus for bending large diameter pipe

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5268850A (en) * 1975-12-05 1977-06-08 Mannesmann Ag Method of and apparatus for bending large diameter pipe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01186221A (ja) * 1988-01-21 1989-07-25 Tsuji Giken Kogyo Kk 管の曲げ加工方法
US6094957A (en) * 1999-06-30 2000-08-01 Masunaga Optical Mfg. Co., Ltd. Method for bending difficult-to-work metallic wire and method for shaping coil section thereof

Also Published As

Publication number Publication date
JPH0234694B2 (OSRAM) 1990-08-06

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