DE69202306D1 - Rohrwalzwerk, das ein nichtlösen rohrförmigen Materials von der Stange verhindert. - Google Patents

Rohrwalzwerk, das ein nichtlösen rohrförmigen Materials von der Stange verhindert.

Info

Publication number
DE69202306D1
DE69202306D1 DE69202306T DE69202306T DE69202306D1 DE 69202306 D1 DE69202306 D1 DE 69202306D1 DE 69202306 T DE69202306 T DE 69202306T DE 69202306 T DE69202306 T DE 69202306T DE 69202306 D1 DE69202306 D1 DE 69202306D1
Authority
DE
Germany
Prior art keywords
loosening
bar
rolling mill
tubular material
pipe rolling
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 - Fee Related
Application number
DE69202306T
Other languages
English (en)
Other versions
DE69202306T2 (de
DE69202306T3 (de
Inventor
Toshio Imae
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.)
JFE Steel Corp
Original Assignee
Kawasaki 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=16004235&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69202306(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Publication of DE69202306D1 publication Critical patent/DE69202306D1/de
Publication of DE69202306T2 publication Critical patent/DE69202306T2/de
Application granted granted Critical
Publication of DE69202306T3 publication Critical patent/DE69202306T3/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
DE69202306T 1991-06-21 1992-06-17 Rohrwalzwerk, das ein nichtlösen rohrförmigen Materials von der Stange verhindert. Expired - Fee Related DE69202306T3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17590291 1991-06-21

Publications (3)

Publication Number Publication Date
DE69202306D1 true DE69202306D1 (de) 1995-06-08
DE69202306T2 DE69202306T2 (de) 1995-12-21
DE69202306T3 DE69202306T3 (de) 2001-10-31

Family

ID=16004235

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69202306T Expired - Fee Related DE69202306T3 (de) 1991-06-21 1992-06-17 Rohrwalzwerk, das ein nichtlösen rohrförmigen Materials von der Stange verhindert.

Country Status (4)

Country Link
US (1) US5218851A (de)
EP (1) EP0519705B2 (de)
CA (1) CA2071428C (de)
DE (1) DE69202306T3 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2897652B2 (ja) * 1994-09-05 1999-05-31 住友金属工業株式会社 マンドレルミルおよびそれを用いた管圧延方法
JP4103082B2 (ja) * 2003-10-07 2008-06-18 住友金属工業株式会社 ３ロール式マンドレルミルによる継目無管の製造方法
JP4441912B2 (ja) * 2005-03-28 2010-03-31 住友金属工業株式会社 マンドレルミル圧延方法
EP1738839B1 (de) * 2005-06-28 2009-08-26 Sumitomo Metal Industries, Ltd. Kaltwalzprozess für Metallrohre
CA2550913C (en) * 2005-06-28 2009-01-13 Sumitomo Metal Industries, Ltd. Cold rolling process for metal tubes
WO2007114173A1 (ja) * 2006-03-28 2007-10-11 Sumitomo Metal Industries, Ltd. 高合金圧延用マンドレルバー、その表面処理方法および製造方法、ならびに継目無鋼管製造装置の操業方法
CN101209458B (zh) * 2006-12-25 2011-06-15 宝山钢铁股份有限公司 热轧无缝钢管限动芯棒连轧机轧制管材的方法
KR101434810B1 (ko) * 2010-07-07 2014-08-27 신닛테츠스미킨 카부시키카이샤 맨드릴 밀 및 이음매 없는 관의 제조 방법

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1858990A (en) * 1928-04-16 1932-05-17 Globe Steel Tubes Co Method of and means for rolling seamless tubing
US2074271A (en) * 1932-03-19 1937-03-16 Peters Herbert Method and apparatus for the production of seamless tubing
NL207167A (de) * 1955-05-17 1900-01-01 Delta Kuehlschrank G M B H
US3392565A (en) * 1965-02-15 1968-07-16 Blaw Knox Co Manufacture of seamless tubing
JPS5924885B2 (ja) * 1979-06-06 1984-06-13 新日本製鐵株式会社 管の連続圧延装置
JPS59104207A (ja) * 1982-12-08 1984-06-16 Kawasaki Steel Corp マンドレルミルにおける鋼管の伸ばし長さ制御方法
JPS6043805A (ja) * 1983-08-19 1985-03-08 Matsushita Electric Ind Co Ltd インダクタンス部品
JPS6046805A (ja) * 1983-08-26 1985-03-13 Nippon Steel Corp マンドレルミルの制御法
JPS6245408A (ja) * 1985-08-24 1987-02-27 Kawasaki Steel Corp マンドレルミル圧延方法
DE3914016C1 (de) * 1989-04-25 1990-07-26 Mannesmann Ag, 4000 Duesseldorf, De

Also Published As

Publication number Publication date
DE69202306T2 (de) 1995-12-21
EP0519705A2 (de) 1992-12-23
CA2071428C (en) 1995-09-05
DE69202306T3 (de) 2001-10-31
EP0519705A3 (en) 1993-06-30
EP0519705B1 (de) 1995-05-03
CA2071428A1 (en) 1992-12-22
EP0519705B2 (de) 2001-03-21
US5218851A (en) 1993-06-15

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8339 Ceased/non-payment of the annual fee