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EP2085158A4 - CONTINUOUS ROLL, METHOD OF OPERATING SAME, AND METHOD FOR MANUFACTURING SEAMLESS PIPE - Google Patents

CONTINUOUS ROLL, METHOD OF OPERATING SAME, AND METHOD FOR MANUFACTURING SEAMLESS PIPE

Info

Publication number
EP2085158A4
EP2085158A4 EP07830466A EP07830466A EP2085158A4 EP 2085158 A4 EP2085158 A4 EP 2085158A4 EP 07830466 A EP07830466 A EP 07830466A EP 07830466 A EP07830466 A EP 07830466A EP 2085158 A4 EP2085158 A4 EP 2085158A4
Authority
EP
European Patent Office
Prior art keywords
seamless pipe
continuous roll
operating same
manufacturing seamless
manufacturing
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Withdrawn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
EP07830466A
Other languages
German (de)
French (fr)
Other versions
EP2085158A1 (en
Inventor
Kenichi Sasaki
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 EP2085158A1 publication Critical patent/EP2085158A1/en
Publication of EP2085158A4 publication Critical patent/EP2085158A4/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Withdrawn legal-status Critical Current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
    • B21B27/03—Sleeved rolls
    • B21B27/035—Rolls for bars, rods, rounds, tubes, wire or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2267/00—Roll parameters
    • B21B2267/02—Roll dimensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2267/00—Roll parameters
    • B21B2267/02—Roll dimensions
    • B21B2267/06—Roll diameter

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
EP07830466A 2006-11-09 2007-10-24 CONTINUOUS ROLL, METHOD OF OPERATING SAME, AND METHOD FOR MANUFACTURING SEAMLESS PIPE Withdrawn EP2085158A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006303776A JP2008119706A (en) 2006-11-09 2006-11-09 Mandrel mill, method of operation thereof, and method of manufacturing seamless pipe
PCT/JP2007/070732 WO2008056540A1 (en) 2006-11-09 2007-10-24 Mandrel mill, its operating method, and seamless pipe manufacturing method

Publications (2)

Publication Number Publication Date
EP2085158A1 EP2085158A1 (en) 2009-08-05
EP2085158A4 true EP2085158A4 (en) 2012-08-01

Family

ID=39364363

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07830466A Withdrawn EP2085158A4 (en) 2006-11-09 2007-10-24 CONTINUOUS ROLL, METHOD OF OPERATING SAME, AND METHOD FOR MANUFACTURING SEAMLESS PIPE

Country Status (6)

Country Link
US (2) US20100064753A1 (en)
EP (1) EP2085158A4 (en)
JP (1) JP2008119706A (en)
CN (1) CN101534969A (en)
BR (1) BRPI0718203A2 (en)
WO (1) WO2008056540A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006031564A1 (en) * 2006-07-07 2008-01-10 Gesenkschmiede Schneider Gmbh Method for producing a rotationally symmetrical part, in particular shaft
WO2011039942A1 (en) * 2009-09-29 2011-04-07 住友金属工業株式会社 Multi-roll mandrel mill and method for manufacturing seamless pipe
WO2011088069A1 (en) 2010-01-12 2011-07-21 Wadsworth Lewis W Apparatus and method for cutting tubular members
US9302302B2 (en) * 2010-07-07 2016-04-05 Nippon Steel & Sumitomo Metal Corporation Mandrel mill and method for manufacturing seamless pipe or tube
CN102371362B (en) * 2010-08-25 2013-08-28 中国有色（沈阳）冶金机械有限公司 Static and dynamic balance processing method for heavy-duty hollow roller way
DE102010052084B3 (en) * 2010-11-16 2012-02-16 V&M Deutschland Gmbh Process for the economic production of seamless hot-rolled tubes in continuous tube rolling mills
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
DE102018207908A1 (en) * 2018-05-18 2019-11-21 Sms Group Gmbh Stretch reduction mill with improved diameter and wall thickness tolerance
CN109909297B (en) * 2019-02-28 2020-06-02 西安建筑科技大学 Reverse-cone spiral roller superfine crystal rolling method for large-size high-temperature alloy bar
KR102322805B1 (en) * 2020-01-23 2021-11-10 가천대학교 산학협력단 Method for manufacturing multi-layered nuclear fuel cladding

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2582705B2 (en) 1991-06-21 1997-02-19 川崎製鉄株式会社 Mandrel mill
JPH07102369B2 (en) 1991-08-22 1995-11-08 川崎製鉄株式会社 Mandrel mill
JP2985719B2 (en) * 1995-04-04 1999-12-06 住友金属工業株式会社 Mandrel mill
JP2001113306A (en) 1999-10-18 2001-04-24 Sumitomo Metal Ind Ltd Method for producing high alloy seamless steel pipe and rolling die used for the method

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *
See also references of WO2008056540A1 *

Also Published As

Publication number Publication date
US20100132425A1 (en) 2010-06-03
BRPI0718203A2 (en) 2015-09-22
CN101534969A (en) 2009-09-16
EP2085158A1 (en) 2009-08-05
WO2008056540A1 (en) 2008-05-15
JP2008119706A (en) 2008-05-29
US20100064753A1 (en) 2010-03-18

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Legal Events

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

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17P Request for examination filed

Effective date: 20090609

AK Designated contracting states

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Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

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

Effective date: 20120704

RIC1 Information provided on ipc code assigned before grant

Ipc: B21B 27/02 20060101ALI20120628BHEP

Ipc: B21B 17/02 20060101AFI20120628BHEP

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: NIPPON STEEL & SUMITOMO METAL CORPORATION

STAA Information on the status of an ep patent application or granted ep patent

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18D Application deemed to be withdrawn

Effective date: 20130205