JPS645965B2 - - Google Patents

Info

Publication number
JPS645965B2
JPS645965B2 JP4831682A JP4831682A JPS645965B2 JP S645965 B2 JPS645965 B2 JP S645965B2 JP 4831682 A JP4831682 A JP 4831682A JP 4831682 A JP4831682 A JP 4831682A JP S645965 B2 JPS645965 B2 JP S645965B2
Authority
JP
Japan
Prior art keywords
tube
ring
metal tube
pipe
rings
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
JP4831682A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58167023A (ja
Inventor
Kenichi Tanaka
Katsuyuki Tokimasa
Ichiro Kato
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.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries 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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP4831682A priority Critical patent/JPS58167023A/ja
Publication of JPS58167023A publication Critical patent/JPS58167023A/ja
Publication of JPS645965B2 publication Critical patent/JPS645965B2/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
    • B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
    • B21D3/08—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers which move in an orbit without rotating round the work

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Heat Treatment Of Articles (AREA)
JP4831682A 1982-03-25 1982-03-25 金属管のストレ−トナ加工法 Granted JPS58167023A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4831682A JPS58167023A (ja) 1982-03-25 1982-03-25 金属管のストレ−トナ加工法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4831682A JPS58167023A (ja) 1982-03-25 1982-03-25 金属管のストレ−トナ加工法

Publications (2)

Publication Number Publication Date
JPS58167023A JPS58167023A (ja) 1983-10-03
JPS645965B2 true JPS645965B2 (enrdf_load_stackoverflow) 1989-02-01

Family

ID=12800005

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4831682A Granted JPS58167023A (ja) 1982-03-25 1982-03-25 金属管のストレ−トナ加工法

Country Status (1)

Country Link
JP (1) JPS58167023A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111069347B (zh) * 2019-12-23 2021-09-03 太原科技大学 一种管材多辊矫直机矫后残余应力均布控制方法

Also Published As

Publication number Publication date
JPS58167023A (ja) 1983-10-03

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