EP0787542A3 - Mandrin et tige porte-mandrin pour laminoirs obliques - Google Patents

Mandrin et tige porte-mandrin pour laminoirs obliques Download PDF

Info

Publication number
EP0787542A3
EP0787542A3 EP97250015A EP97250015A EP0787542A3 EP 0787542 A3 EP0787542 A3 EP 0787542A3 EP 97250015 A EP97250015 A EP 97250015A EP 97250015 A EP97250015 A EP 97250015A EP 0787542 A3 EP0787542 A3 EP 0787542A3
Authority
EP
European Patent Office
Prior art keywords
mandrel
rolling
inert gas
rod
billet
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.)
Granted
Application number
EP97250015A
Other languages
German (de)
English (en)
Other versions
EP0787542A2 (fr
EP0787542B1 (fr
Inventor
Karl-Heinz Ing. Häusler
Siegfried Dipl.-Ing. Oehme
Werner Dipl.-Ing. Henze
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.)
SMS Siemag AG
Original Assignee
Mannesmann AG
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 Mannesmann AG filed Critical Mannesmann AG
Publication of EP0787542A2 publication Critical patent/EP0787542A2/fr
Publication of EP0787542A3 publication Critical patent/EP0787542A3/fr
Application granted granted Critical
Publication of EP0787542B1 publication Critical patent/EP0787542B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
    • B21B25/04—Cooling or lubricating mandrels during operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
EP97250015A 1996-02-02 1997-01-29 Procédé de fabrication de tube sans soudure et mandrin pour mise en oeuvre le procédé Expired - Lifetime EP0787542B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19604969 1996-02-02
DE19604969A DE19604969C2 (de) 1996-02-02 1996-02-02 Verfahren zur Herstellung von nahtlosen Rohren und Innenwerkzeug

Publications (3)

Publication Number Publication Date
EP0787542A2 EP0787542A2 (fr) 1997-08-06
EP0787542A3 true EP0787542A3 (fr) 1998-10-28
EP0787542B1 EP0787542B1 (fr) 2003-11-26

Family

ID=7785101

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97250015A Expired - Lifetime EP0787542B1 (fr) 1996-02-02 1997-01-29 Procédé de fabrication de tube sans soudure et mandrin pour mise en oeuvre le procédé

Country Status (3)

Country Link
EP (1) EP0787542B1 (fr)
DE (2) DE19604969C2 (fr)
ES (1) ES2206654T3 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2623027T3 (es) 2010-06-08 2017-07-10 Coating Management Switzerland Gmbh Método para producir tubos sin soldadura
DE102011012761A1 (de) 2011-03-01 2012-05-24 Sms Meer Gmbh Verfahren und Vorrichtung zum Erzeugen eines Hohlblocks, Innenwerkzeug mit einer Dornstange und einem Lochdorn, Verwendung eines Innenwerkzeugs und Verwendung eines Deoxidationsmittels
CN103433281A (zh) * 2013-08-28 2013-12-11 无锡欧龙特种钢管有限公司 一种无缝管穿孔机顶头冷却装置
RU2549022C1 (ru) * 2013-10-07 2015-04-20 Акционерное общество "Выксунский металлургический завод" Способ горячей винтовой раскатки гильз и технологический инструмент для его осуществления
RU2568805C1 (ru) * 2014-05-27 2015-11-20 Открытое акционерное общество "Российский научно-исследовательский институт трубной промышленности" (ОАО "РосНИТИ") Охлаждаемая оправка косовалкового стана и способ ее охлаждения
CN106825051B (zh) * 2017-03-24 2018-11-02 山西容合易工业科技有限公司 一种无缝钢管穿孔机顶杆
RU2738291C1 (ru) * 2017-11-29 2020-12-11 Ниппон Стил Корпорейшн Прошивная установка, стержень оправки и способ изготовления бесшовной металлической трубы с их использованием

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2159123A (en) * 1936-11-09 1939-05-23 Nat Tube Co Rolling mill mandrel
US2237983A (en) * 1937-01-21 1941-04-08 Nat Tube Co Pipe or tube rolling
JPS5835005A (ja) * 1981-08-27 1983-03-01 Sumitomo Metal Ind Ltd マンネスマン穿孔機による穿孔方法
JPS5933010A (ja) * 1982-08-19 1984-02-22 Kawasaki Steel Corp 継目無鋼管製造用穿孔装置
JPS60130406A (ja) * 1983-12-20 1985-07-11 Kawasaki Steel Corp 継目無鋼管の製造方法およびその装置
DE4004155A1 (de) * 1990-02-10 1991-08-14 Kocks Technik Verfahren und vorrichtung zum kuehlen und schmieren von dornstangen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE383240C (de) * 1921-07-14 1923-10-11 Abteilung Duesseldorfer Roehre Vorrichtung zur Ausfuehrung des Verfahrens zur Herstellung gelochter Metallrohrbloecke
DE594215C (de) * 1932-06-21 1934-03-19 Leo Becker Schraegwalzwerk oder Rohrpresse zur Herstellung von nahtlosen Rohren
DE3123645A1 (de) * 1981-06-15 1982-12-30 Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover "verfahren zur herstellung nahtloser kupferrohre"
DE3432288C2 (de) * 1984-09-01 1987-01-02 Kocks Technik Gmbh & Co, 4010 Hilden Anwendung von Inertgas beim Herstellen nahtloser Rohre

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2159123A (en) * 1936-11-09 1939-05-23 Nat Tube Co Rolling mill mandrel
US2237983A (en) * 1937-01-21 1941-04-08 Nat Tube Co Pipe or tube rolling
JPS5835005A (ja) * 1981-08-27 1983-03-01 Sumitomo Metal Ind Ltd マンネスマン穿孔機による穿孔方法
JPS5933010A (ja) * 1982-08-19 1984-02-22 Kawasaki Steel Corp 継目無鋼管製造用穿孔装置
JPS60130406A (ja) * 1983-12-20 1985-07-11 Kawasaki Steel Corp 継目無鋼管の製造方法およびその装置
DE4004155A1 (de) * 1990-02-10 1991-08-14 Kocks Technik Verfahren und vorrichtung zum kuehlen und schmieren von dornstangen

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 007, no. 116 (M - 216) 20 May 1983 (1983-05-20) *
PATENT ABSTRACTS OF JAPAN vol. 008, no. 132 (M - 303) 20 June 1984 (1984-06-20) *
PATENT ABSTRACTS OF JAPAN vol. 009, no. 290 (M - 430) 16 November 1985 (1985-11-16) *

Also Published As

Publication number Publication date
ES2206654T3 (es) 2004-05-16
EP0787542A2 (fr) 1997-08-06
DE19604969A1 (de) 1997-08-07
DE59711039D1 (de) 2004-01-08
DE19604969C2 (de) 2000-08-24
EP0787542B1 (fr) 2003-11-26

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