JPH0520162B2 - - Google Patents

Info

Publication number
JPH0520162B2
JPH0520162B2 JP12490484A JP12490484A JPH0520162B2 JP H0520162 B2 JPH0520162 B2 JP H0520162B2 JP 12490484 A JP12490484 A JP 12490484A JP 12490484 A JP12490484 A JP 12490484A JP H0520162 B2 JPH0520162 B2 JP H0520162B2
Authority
JP
Japan
Prior art keywords
steel pipe
rolls
roll
outer diameter
numbered
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 - Lifetime
Application number
JP12490484A
Other languages
English (en)
Japanese (ja)
Other versions
JPS613604A (ja
Inventor
Tsutomu Kimura
Daigo Sumimoto
Hirohisa Ichihara
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
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP12490484A priority Critical patent/JPS613604A/ja
Publication of JPS613604A publication Critical patent/JPS613604A/ja
Publication of JPH0520162B2 publication Critical patent/JPH0520162B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
    • B21B17/14—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling without mandrel, e.g. stretch-reducing mills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
  • Metal Extraction Processes (AREA)
JP12490484A 1984-06-18 1984-06-18 異厚断面鋼管の製造方法 Granted JPS613604A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12490484A JPS613604A (ja) 1984-06-18 1984-06-18 異厚断面鋼管の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12490484A JPS613604A (ja) 1984-06-18 1984-06-18 異厚断面鋼管の製造方法

Publications (2)

Publication Number Publication Date
JPS613604A JPS613604A (ja) 1986-01-09
JPH0520162B2 true JPH0520162B2 (en]) 1993-03-18

Family

ID=14896984

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12490484A Granted JPS613604A (ja) 1984-06-18 1984-06-18 異厚断面鋼管の製造方法

Country Status (1)

Country Link
JP (1) JPS613604A (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0410986Y2 (en]) * 1986-02-27 1992-03-18
US6536312B1 (en) 1999-05-13 2003-03-25 Komatsu Machinery Corporation Compound machining center compound machining method and machining tool
ITPI20070081A1 (it) * 2007-07-17 2009-01-18 Tromba Maurizio Snc Metodo e dispositivo per la fabbricazione di tubi metallici a sezione ovale ellittica o simili
JP5428854B2 (ja) * 2009-12-29 2014-02-26 セイコーエプソン株式会社 搬送ローラー、搬送ユニット、印刷装置及び搬送ローラーの製造方法

Also Published As

Publication number Publication date
JPS613604A (ja) 1986-01-09

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