EP2135689A4 - METHOD FOR PRODUCING SOLDER-FREE PIPE AND HOLES-TYPE ROLLER - Google Patents

METHOD FOR PRODUCING SOLDER-FREE PIPE AND HOLES-TYPE ROLLER

Info

Publication number
EP2135689A4
EP2135689A4 EP08722571A EP08722571A EP2135689A4 EP 2135689 A4 EP2135689 A4 EP 2135689A4 EP 08722571 A EP08722571 A EP 08722571A EP 08722571 A EP08722571 A EP 08722571A EP 2135689 A4 EP2135689 A4 EP 2135689A4
Authority
EP
European Patent Office
Prior art keywords
holes
type roller
free pipe
producing solder
solder
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.)
Withdrawn
Application number
EP08722571A
Other languages
German (de)
French (fr)
Other versions
EP2135689A1 (en
Inventor
Yusuke Sendai
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
Publication of EP2135689A1 publication Critical patent/EP2135689A1/en
Publication of EP2135689A4 publication Critical patent/EP2135689A4/en
Withdrawn legal-status Critical Current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
    • B21B17/02—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length
    • B21B17/04—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length in a continuous process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/02—Shape or construction of rolls
    • B21B27/024—Rolls for bars, rods, rounds, tubes, wire or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Control Of Metal Rolling (AREA)
EP08722571A 2007-03-30 2008-03-21 METHOD FOR PRODUCING SOLDER-FREE PIPE AND HOLES-TYPE ROLLER Withdrawn EP2135689A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007091457 2007-03-30
PCT/JP2008/055207 WO2008123121A1 (en) 2007-03-30 2008-03-21 Method for producing seamless pipe and hole type roll

Publications (2)

Publication Number Publication Date
EP2135689A1 EP2135689A1 (en) 2009-12-23
EP2135689A4 true EP2135689A4 (en) 2011-11-02

Family

ID=39830618

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08722571A Withdrawn EP2135689A4 (en) 2007-03-30 2008-03-21 METHOD FOR PRODUCING SOLDER-FREE PIPE AND HOLES-TYPE ROLLER

Country Status (4)

Country Link
EP (1) EP2135689A4 (en)
JP (1) JPWO2008123121A1 (en)
CN (1) CN101720259A (en)
WO (1) WO2008123121A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2012003886A (en) * 2009-09-29 2012-04-20 Sumitomo Metal Ind Multi-roll mandrel mill and method for manufacturing seamless pipe.
JP5655737B2 (en) * 2011-07-28 2015-01-21 Ｊｆｅスチール株式会社 Seamless steel pipe manufacturing method
CN102873103A (en) * 2012-10-12 2013-01-16 衡阳华菱钢管有限公司 Tandem mill central line adjusting method and device
CN104785525B (en) * 2015-04-07 2017-03-01 浙江嘉翔精密机械技术有限公司 A kind of method improving nuclear steam generator performance of heat exchange tubes

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07246415A (en) * 1994-03-09 1995-09-26 Sumitomo Metal Ind Ltd Seamless tube wall thickness control method
JPH08276208A (en) * 1995-04-04 1996-10-22 Sumitomo Metal Ind Ltd Mandrel mill
JPH0938711A (en) * 1995-07-31 1997-02-10 Kawasaki Steel Corp Control method for drawing and rolling steel pipe
JPH11123409A (en) * 1997-10-15 1999-05-11 Sumitomo Metal Ind Ltd Rolling mill stand replacement device and its replacement method
US20040065133A1 (en) * 2002-01-28 2004-04-08 Kenichi Sasaki Method of producing seamless steel tubes
US20060059969A1 (en) * 2003-03-26 2006-03-23 Hiroyuki Iwamoto Method of manufacturing a seamless pipe

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6186020A (en) 1984-10-04 1986-05-01 Kawasaki Steel Corp Mandrel mill roll reduction control method and device
JPH05237514A (en) 1992-02-26 1993-09-17 Sumitomo Metal Ind Ltd Rolling method and apparatus using a mandrel mill
JP2924523B2 (en) 1992-12-11 1999-07-26 住友金属工業株式会社 Elongation rolling method of metal tube by mandrel mill
JP2897652B2 (en) 1994-09-05 1999-05-31 住友金属工業株式会社 Mandrel mill and tube rolling method using the same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07246415A (en) * 1994-03-09 1995-09-26 Sumitomo Metal Ind Ltd Seamless tube wall thickness control method
JPH08276208A (en) * 1995-04-04 1996-10-22 Sumitomo Metal Ind Ltd Mandrel mill
JPH0938711A (en) * 1995-07-31 1997-02-10 Kawasaki Steel Corp Control method for drawing and rolling steel pipe
JPH11123409A (en) * 1997-10-15 1999-05-11 Sumitomo Metal Ind Ltd Rolling mill stand replacement device and its replacement method
US20040065133A1 (en) * 2002-01-28 2004-04-08 Kenichi Sasaki Method of producing seamless steel tubes
US20060059969A1 (en) * 2003-03-26 2006-03-23 Hiroyuki Iwamoto Method of manufacturing a seamless pipe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2008123121A1 *

Also Published As

Publication number Publication date
WO2008123121A1 (en) 2008-10-16
CN101720259A (en) 2010-06-02
EP2135689A1 (en) 2009-12-23
JPWO2008123121A1 (en) 2010-07-15

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20091001

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DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20110930

RIC1 Information provided on ipc code assigned before grant

Ipc: B21B 17/04 20060101AFI20110926BHEP

Ipc: B21B 27/02 20060101ALI20110926BHEP

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Effective date: 20120503