EP0787542A3 - Mandrin et tige porte-mandrin pour laminoirs obliques - Google Patents
Mandrin et tige porte-mandrin pour laminoirs obliques Download PDFInfo
- 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
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)
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)
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)
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)
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 |
-
1996
- 1996-02-02 DE DE19604969A patent/DE19604969C2/de not_active Expired - Fee Related
-
1997
- 1997-01-29 ES ES97250015T patent/ES2206654T3/es not_active Expired - Lifetime
- 1997-01-29 EP EP97250015A patent/EP0787542B1/fr not_active Expired - Lifetime
- 1997-01-29 DE DE59711039T patent/DE59711039D1/de not_active Expired - Fee Related
Patent Citations (6)
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)
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE1452117C3 (de) | Verfahren und Walzenstraße zum Warmwalzen von Brammen | |
DD280978A5 (de) | Verfahren zur herstellung von rohren, staeben, baendern aus nichteisenmetallen | |
DE69729488T2 (de) | Stopfen und dornstange zum walzen eines nahtlosen stahlrohres und verfahren zur herstellung eines nahtlosen stahlrohres | |
DE102013102704A1 (de) | Verfahren zum Herstellen eines Stahlrohres mit Reinigung der Rohrinnenwand | |
DE1452425A1 (de) | Verformung waermeempfindlicher Legierungen mit Hilfe einer thermischen Schwelle | |
EP0787542A3 (fr) | Mandrin et tige porte-mandrin pour laminoirs obliques | |
DE3818077A1 (de) | Verfahren zum kontinuierlichen giesswalzen | |
DE60116061T2 (de) | Verfahren zur herstellung von industriellen rohren oder profilstäben aus metall und vorrichtung dazu | |
WO1990000456A1 (fr) | Procede de fabrication de feuillards d'acier de moins de 10 mm d'epaisseur | |
DE2952647A1 (de) | Verfahren zur herstellung von nahtlosen metallrohren | |
DE19700486C2 (de) | Verfahren zum Herstellen von metallenem Stabmaterial | |
DE1483618A1 (de) | Verfahren zum Herstellen von Stahlknueppeln | |
DE19639299C2 (de) | Vorrichtung zur Herstellung eines Vielkant- oder Profil-Formats in einer Stranggießanlage | |
WO2003057383A1 (fr) | Procede et installation de laminage permettant de produire du fil metallique, des barres ou des tuyaux sans soudure | |
DE2356985A1 (de) | Verfahren zur herstellung nahtloser metallischer rohre | |
EP0067906A2 (fr) | Procédé de fabrication de tube en cuivre sans soudure | |
DE2929401A1 (de) | Verfahren zum walzen von in der waerme zur oxidation neigenden metallbloecken zu rohren | |
DE10261632B4 (de) | Verfahren und Walzanlage zum Herstellen von Draht, Stäben oder nahtlosen Rohren | |
DE2548941A1 (de) | Verfahren zur erzeugung von strangfoermigen, metallischen gegenstaenden | |
ATE259682T1 (de) | Verfahren und anlage zum walzen von kontinuierlichen knüppeln, die von einem einer walzstrasse vorgeordneten knüppelheizofen zugeführt sind | |
DE3039428A1 (de) | Verfahren zur herstellung von plattierten stahlprodukten | |
CH685432A5 (de) | Kokille zum Stranggiessen von Metall, insbesondere von Stahl in Knüppel- und Vorblockquerschnitte. | |
DE2824076C2 (fr) | ||
DE3112947A1 (de) | "verfahren und anlage zum bogenstranggiessen" | |
DE3526935C2 (fr) |
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 |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE ES FR GB IT |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE ES FR GB IT |
|
17P | Request for examination filed |
Effective date: 19990128 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: SMS DEMAG AG |
|
17Q | First examination report despatched |
Effective date: 20020201 |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
RTI1 | Title (correction) |
Free format text: METHOD OF MANUFACTURING SEAMLESS PIPES AND MANDREL THEREFOR |
|
RTI1 | Title (correction) |
Free format text: METHOD OF MANUFACTURING SEAMLESS PIPES AND MANDREL THEREFOR |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE ES FR GB IT |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20031126 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REF | Corresponds to: |
Ref document number: 59711039 Country of ref document: DE Date of ref document: 20040108 Kind code of ref document: P |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FG2A Ref document number: 2206654 Country of ref document: ES Kind code of ref document: T3 |
|
GBV | Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed] |
Effective date: 20031126 |
|
ET | Fr: translation filed | ||
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20040827 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20060112 Year of fee payment: 10 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20060113 Year of fee payment: 10 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: ES Payment date: 20060130 Year of fee payment: 10 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20060131 Year of fee payment: 10 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070801 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20070930 |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FD2A Effective date: 20070130 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070131 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070130 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070129 |