DE19730598A1 - Method for rolling finished sections from preliminary sections - Google Patents

Method for rolling finished sections from preliminary sections

Info

Publication number
DE19730598A1
DE19730598A1 DE1997130598 DE19730598A DE19730598A1 DE 19730598 A1 DE19730598 A1 DE 19730598A1 DE 1997130598 DE1997130598 DE 1997130598 DE 19730598 A DE19730598 A DE 19730598A DE 19730598 A1 DE19730598 A1 DE 19730598A1
Authority
DE
Germany
Prior art keywords
stand
universal
group
rolling
stands
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.)
Ceased
Application number
DE1997130598
Other languages
German (de)
Inventor
Georg Engel
Hans-Juergen Nowak
Ulrich Svejkovsky
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
SMS Schloemann Siemag AG
Schloemann Siemag 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 SMS Schloemann Siemag AG, Schloemann Siemag AG filed Critical SMS Schloemann Siemag AG
Priority to DE1997130598 priority Critical patent/DE19730598A1/en
Priority to TW086117646A priority patent/TW355149B/en
Priority to CA2222827A priority patent/CA2222827C/en
Priority to ES97120925T priority patent/ES2213796T3/en
Priority to AT97120925T priority patent/ATE257046T1/en
Priority to EP97120925A priority patent/EP0846503B1/en
Priority to DE59711167T priority patent/DE59711167D1/en
Priority to US08/980,941 priority patent/US6116072A/en
Priority to MXPA/A/1997/009435A priority patent/MXPA97009435A/en
Priority to JP33326597A priority patent/JP4579353B2/en
Priority to MYPI97005805A priority patent/MY118693A/en
Priority to KR1019970065876A priority patent/KR100532511B1/en
Priority to CN97126447A priority patent/CN1104293C/en
Priority to BR9706221-9A priority patent/BR9706221A/en
Publication of DE19730598A1 publication Critical patent/DE19730598A1/en
Priority to US09/469,388 priority patent/US6205834B1/en
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
    • B21B1/082—Piling sections having lateral edges specially adapted for interlocking with each other in order to build a wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
    • B21B1/14—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel in a non-continuous process, i.e. at least one reversing stand
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
    • B21B1/09—L-sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
    • B21B1/095—U-or channel sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
    • B21B1/466—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a non-continuous process, i.e. the cast being cut before rolling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)

Abstract

The method involves use of roll stand configurations of which one is a compact rolling group consisting of entry and exit universal stands and an interposed upsetting stand. This group is preceded by a preliminary rolling group consisting of vertical and horizontal stands and/or universal stands. To produce pile planking, angle and similar sections - with one or more stands of the preliminary rolling group and/or one or more stands of the compact rolling group provided with several grooved rolls or rolls with adjacent grooves which can be brought into and out of the rolling line - forming of a rectangular section or a preliminarily formed section with near-final dimensions into a finished section takes place in the preliminary rolling groups in several form change and reduction stages, followed by further analogous stages in the universal rolling group, with or without use of the reversing mode of operation of the roll stands involved. Also claimed is a corresponding rolling installation.

Description

Das Hauptpatent bezieht sich auf ein Verfahren zum Walzen von Fertigprofilen aus einem Vorprofil mittels im Reversierbetrieb arbeitender Walzgerüstanordnungen, von denen eine, eine Kompaktwalz­ gruppe, bestehend aus einem eingangsseitigen ersten Universalgerüst und einem ausgangsseitigen zweiten Universalgerüst und einem, zwischen diesen Universalgerüsten angeordneten, Stauchzwischengerüst darstellt, der eine, aus Vertikal- und Horizontal-Walzgerüsten oder Universalgerüsten bestehende Vorwalzgruppe vorgeordnet ist.The main patent relates to a process for rolling Finished profiles from a preliminary profile by means of reversing operation working roll stand assemblies, one of which is a compact roll group, consisting of a first universal scaffold on the entrance side and a second universal scaffold on the output side and one, intermediate compression scaffold arranged between these universal scaffolds represents the one, from vertical and horizontal rolling stands or Universal mill stands prior to the pre-rolling group.

Dieser Erfindung nach dem Hauptpatent liegt die Aufgabe zugrunde, das Walzen von Spundwand- und Winkelprofilen mit Hilfe der gattungs­ gemäßen grundsätzlichen Ausbildung von Walzgerüstanordnungen durch­ zuführen und dabei als Ausgangsprodukte entweder stranggegossene Rechteckblöcke oder bereits in eine dem Endprodukt angenäherte Vorform gegossene Vorprofile verwenden.This invention according to the main patent is based on the object the rolling of sheet piling and angle profiles with the help of the genus according to the basic training of mill stand arrangements feed and thereby either continuous cast as starting products Rectangular blocks or already approximated to the end product Use preform cast pre-profiles.

Diese Aufgabe wird nach dem Hauptpatent dadurch gelöst, daß bei Ausstattung eines Walzgerüstes der Vorwalzgruppe und/oder eines oder mehrere der Walzgerüste der Kompaktwalzgruppe mit mehreren, wahlwei­ se in die und aus der Walzlinie herausbringbaren Walzkalibern bzw. durch Verschiebung des Walzgutes quer zur Walzlinie wirksam werden­ den, nebeneinander liegenden Kalibern eines Walzgerüstes die Formung eines rechteckigen oder endabmessungsangenäherten, vorgeformten Vorprofils in den Walzgerüsten der Vorwalzgruppe in einer Reihe von Formänderungs- und/oder Formreduzierwalzstichen ggfs. reversierend mit oder ohne Einsatz der Wahlkaliber vorgeformt und anschließend in der Kompaktwalzgruppe ggfs. reversierend in mehreren Formände­ rungs- bzw. Formreduzierstichen im eingangsseitigen Universalgerüst, ggfs. im Stauchzwischengerüst mit oder ohne Einsatz der Walzkaliber bzw. der nebeneinander liegenden Kaliber der Walzgerüste weiter verformt und anschließend im ausgangsseitigen Universalgerüst oder im Stauchzwischengerüst, ggfs. ebenfalls unter Einsatz von Wahlkali­ bern bzw. nebeneinander liegenden Kalibern des Walzgerüstes zu dem Fertigprofil geformt wird. Dabei kann die Vorwalzgruppe im Durchlauf mit oder ohne freien Auslauf des Walzgutes zwischen den beiden Walzgerüstgruppen arbeiten oder auch in einer, parallel zur Walzli­ nie der Kompaktwalzgruppe quer versetzten Walzlinie.This task is solved according to the main patent in that Equipment of a roll stand of the roughing group and / or one or several of the stands of the compact rolling group with several, optional se into and out of the rolling line by moving the rolling stock across the rolling line the forming of the adjacent calibers of a roll stand a rectangular or pre-shaped one that approximates the final dimensions Pre-profile in the rolling stands of the roughing group in a series of  Forming and / or shape-reducing rolling passes may be reversing preformed with or without the use of the optional caliber and then in the compact rolling group, if necessary, reversing in several forms reduction or shape-reducing stitches in the universal scaffold on the input side, if necessary, in the intermediate compression stand with or without the use of the roll calibers or the adjacent caliber of the roll stands deformed and then in the output-side universal frame or in the intermediate compression scaffold, possibly also with the use of election potash over or side by side calibres of the rolling stand to the Finished profile is formed. The roughing group can run continuously with or without free rolling of the rolling stock between the two Roll stand groups work or in one, parallel to the rolling mill never across the compact rolling group.

Das Verfahren nach dem Hauptpatent, mit einer, ein Vertikal-Duo- Gerüst und ein Horizontal-Duo-Gerüst aufweisenden Vorwalzgruppe und einer Kompaktwalzgruppe, deren Stauchzwischengerüst zwei Wahlkaliber aufweist, bei dem das, in der Vorwalzgruppe stauchreduzierte Vor­ profil nach jeweils profilverändernder Formung im eingangsseitigen Universalgerüst in den Wahlkalibern des Stauch-Zwischengerüstes in einem folgenden Reversierstich in dem ausgangsseitigen Universalge­ rüst profilreduzierend fertig geformt wird, eignet sich, wie die vorliegende Erfindung erkannt hat, auch für das Walzen von Hubmast­ profilen aus stranggegossenen Vorprofilen mit I-Querschnitt, und zwar in der Weise, daß bei Ausstattung der Horizontalgerüste der Vorwalzgruppe und des Stauchzwischengerüstes der Kompaktwalzgruppe mit Wahlkalibern, das Vorprofil im Vertikalgerüst der Vorwalzgruppe gestaucht, anschließend in den Wahlkalibern des Horizontalgerüstes dieser Vorwalzgruppe geformt und reduziert und dann in dem eingangs­ seitigen Universalgerüst der Kompaktwalzgruppe und den Wahlkalibern des Stauchzwischengerüstes weiter reduziert und abschließend im ausgangsseitigen Universalgerüst fertig geformt wird.The process according to the main patent, with one, a vertical duo Stand and a rough-rolling group and a horizontal duo stand a compact rolling group, the compression intermediate stand of two optional calibers has, in which the, in the roughing group reduced reduced Vor profile after each profile-changing shaping in the input side Universal scaffold in the optional calibres of the Stauch intermediate scaffold in a subsequent reversing stitch in the universal side on the output side scaffolding, which reduces the profile, is suitable, like that has recognized the present invention, also for the rolling of mast profiles made of continuously cast pre-profiles with I cross-section, and in such a way that when equipping the horizontal frameworks Roughing group and the compression intermediate stand of the compact rolling group with optional calibres, the preliminary profile in the vertical stand of the roughing group compressed, then in the optional calibres of the horizontal frame This roughing group is shaped and reduced and then in the beginning -sided universal stand of the compact rolling group and the optional calibres of the intermediate compression scaffold further reduced and finally in the universal scaffolding on the output side is finished.

Dies Verfahren wird nachstehend anhand des in der Zeichnung darge­ stellten Ausführungsbeispiels eines Stichplans näher erläutert.This procedure is shown below using the Darge in the drawing presented embodiment of a pass schedule explained in more detail.

Wie aus der Zeichnung zu ersehen, wird das Vorprofil VP im Ver­ tikalgerüst VG der Vorwalzgruppe in einem Stich 1 gestaucht und anschließend in einer Folge von drei Stichen bzw. Reversierstichen 2, R3 und 4 durch drei Wahlkaliber H1, H2 und H3 des Horizontalgerü­ stes HG der Vorwalzgruppe walzgeformt und reduziert und dann in zwei aufeinanderfolgenden Stichen 5 und 6 im eingangsseitigen Univer­ salgerüst EUG und in dem ersten WKI des Stauchzwischengerüstes SZG, anschließend in einem Reversierstich R7 und einem Folgestich 8 wieder durch das eingangsseitige Universalgerüst EUG sowie einem Folgestich 9 durch das zweite Wahlkaliber WKII des Stauchzwischenge­ rüstes SZG weiter reduziert und in einem anschließenden Folgestich 10 durch das ausgangsseitige Universalgerüst AUG fertig geformt.As can be seen from the drawing, the preliminary profile VP is compressed in the vertical stand VG of the roughing group in one pass 1 and then in a sequence of three passes or reversing passes 2 , R3 and 4 by three optional calibres H1, H2 and H3 of the horizontal stand HG of the roughing group rolled and reduced and then in two successive passes 5 and 6 in the input-side universal stand EUG and in the first WKI of the compression intermediate stand SZG, then in a reversing stitch R7 and a follow-up stitch 8 again through the entry-side universal stand EUG and a follow-up stitch 9 by the second Optional caliber WKII of the intermediate compression stand SZG further reduced and finished in a subsequent following stitch 10 by the exit-side universal stand AUG.

Claims (2)

1. Verfahren zum Walzen von Fertigprofilen aus einem Vorprofil mittels im Reversierbetrieb arbeitender Walzgerüstanordnungen, von denen eine, eine Kompaktwalzgruppe bestehend aus einem eingangsseitigen ersten Universalgerüst und einem ausgangs­ seitigen zweiten Universalgerüst und einem, zwischen diesen Universalgerüsten angeordneten Stauchzwischengerüst darstellt, der eine aus Vertikal-Duo- und Horizontal-Duo-Walzgerüsten bestehende Vorwalzgruppe vorgeordnet ist und bei dem das in der Vorwalzgruppe stauchreduzierte Vorprofil nach jeweils profilverändernder Formung im eingangsseitigen Universalgerüst und im Stauchzwischengerüst in folgenden Stichen in dem aus­ gangsseitigen Universalgerüst profilreduzierend fertig geformt wird nach Patent . . . (Patentanmeldung 19 650 279.9) zum Walzen von Hubmastprofilen aus einem stranggegossenen Vorprofil mit I-Querschnitt, dadurch gekennzeichnet, daß bei Ausstattung des Horizontalgerüstes der Vorwalzgruppe und des Stauchzwischengerüstes der Kompaktwalzgruppe mit Wahlkalibern, das Vorprofil im Vertikalgerüst der Vorwalzgruppe gestaucht, anschließend in den Wahlkalibern von deren Horizon­ talgerüst geformt und reduziert und dann in dem eingangsseiti­ gen Universalgerüst der Kompaktwalzgruppe und den Wahlkalibern des Stauchzwischengerüstes weiter reduziert und abschließend im ausgangsseitigen Universalgerüst fertig gewalzt wird. 1. Method for rolling finished profiles from a preliminary profile by means of roll stand arrangements working in reversing operation, one of which, a compact rolling group consisting of an input-side first universal stand and an output-side second universal stand and a compression intermediate stand arranged between these universal stands, which is a vertical duo - and the horizontal-duo mill stands pre-rolling group is upstream and in which the pre-reduced in the roughing group after each profile-changing shaping in the input-side universal stand and in the upsetting intermediate stand in the following passes is formed in the profile-reducing universal stand from the aisle side according to patent. . . (Patent application 19 650 279.9) for rolling lifting mast profiles from a continuously cast pre-profile with an I cross-section, characterized in that when the horizontal stand of the roughing group and the intermediate compression stand of the compact rolling group are equipped with optional calibres, the preliminary profile in the vertical stand of the roughing group is compressed, then in the optional calibers of whose horizontal scaffold is shaped and reduced, and then further reduced in the input-side universal stand of the compact rolling group and the optional calibres of the compression intermediate stand and finally rolled in the output-side universal stand. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß das Vorprofil (VP) im Vertikalgerüst (VG) der Vorwalzgruppe in einem Stich (1) gestaucht und anschließend in einer Folge von drei Stichen bzw. Reversierstichen (2, R3 und 4) durch drei Wahlkaliber (H1, H2 und H3) im Horizontalgerüst (HG) der Vorwalzgruppe walzgeformt und reduziert und dann in zwei aufeinanderfolgenden Stichen (5, 6) im eingangsseitigen Univer­ salgerüst (EUG) der Kompaktwalzgruppe und dem ersten Wahlkali­ ber (WKI) des Stauchzwischengerüstes (SZG), anschließend in einem Reversierstich (R7) und einem Folgestich (8) wieder durch das eingangsseitige Universalgerüst (EUG) sowie einem Folge­ stich (9) durch das zweite Wahlkaliber (WKII) des Stauchzwi­ schengerüstes (SZG) weiter reduziert und dann in einem weiteren Folgestich (10) durch das ausgangsseitige Universalgerüst (AUG) fertig geformt wird.2. The method according to claim 1, characterized in that the preliminary profile (VP) in the vertical stand (VG) of the roughing group compressed in one pass ( 1 ) and then in a sequence of three passes or reversing passes ( 2 , R3 and 4 ) by three Optional calibres (H1, H2 and H3) in the horizontal stand (HG) of the roughing group are rolled and reduced and then in two successive passes ( 5 , 6 ) in the entry-side universal stand (EUG) of the compact rolling group and the first optional caliber (WKI) of the compression intermediate stand (SZG ), then in a reversing stitch (R7) and a follow-up stitch ( 8 ) again through the input-side universal frame (EUG) and a follow-up stitch ( 9 ) through the second optional caliber (WKII) of the compression intermediate frame (SZG) and then further reduced Follow stitch ( 10 ) is formed by the universal scaffold (AUG) on the output side.
DE1997130598 1996-12-04 1997-07-17 Method for rolling finished sections from preliminary sections Ceased DE19730598A1 (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
DE1997130598 DE19730598A1 (en) 1997-07-17 1997-07-17 Method for rolling finished sections from preliminary sections
TW086117646A TW355149B (en) 1996-12-04 1997-11-25 A method of rolling pre-formed steel into finished steel using a roller frame device in reciprocating motion
CA2222827A CA2222827C (en) 1996-12-04 1997-11-28 Method of rolling finished sections from preliminary sections in reversing roll stand arrangements
ES97120925T ES2213796T3 (en) 1996-12-04 1997-11-28 PROCEDURE FOR ROLLING FINISHED PROFILES FROM GROSS PROFILES THROUGH PROVISIONS OF ROLLING BOXES THAT WORK IN REVERSIBLE OPERATION.
AT97120925T ATE257046T1 (en) 1996-12-04 1997-11-28 METHOD FOR ROLLING FINISHED PROFILES FROM PRE-PROFILES USING ROLL STAND ARRANGEMENTS WORKING IN REVERSING OPERATION
EP97120925A EP0846503B1 (en) 1996-12-04 1997-11-28 Method for rolling finished sections from section blanks, by means of reversibly driven arrangements of roll stands
DE59711167T DE59711167D1 (en) 1996-12-04 1997-11-28 Process for rolling finished profiles from preliminary profiles by means of roll stand arrangements working in reversing mode
US08/980,941 US6116072A (en) 1996-12-04 1997-12-01 Method of rolling finished sections from preliminary sections in reversing roll stand arrangements
MXPA/A/1997/009435A MXPA97009435A (en) 1996-12-04 1997-12-03 Process for laminating finished profiles from initial profiles through a design of roller structure that works in reve
JP33326597A JP4579353B2 (en) 1996-12-04 1997-12-03 A method for rolling a finished profile from a rough profile with a roll stand facility that performs reversible operation.
MYPI97005805A MY118693A (en) 1996-12-04 1997-12-03 Method of rolling finished sections from preliminary sections in reversing roll stand arrangements
KR1019970065876A KR100532511B1 (en) 1996-12-04 1997-12-04 Method of rolling finished sections from preliminary sections in reversing roll stand arrangements
CN97126447A CN1104293C (en) 1996-12-04 1997-12-04 Method of rolling cogged ingot into finished section bar by utilizing reversible operation rolling mill
BR9706221-9A BR9706221A (en) 1996-12-04 1997-12-04 Process for the rolling of finished profiles of raw profiles through rolling mills, operating in a reversible regime
US09/469,388 US6205834B1 (en) 1996-12-04 1999-12-22 Method of rolling finished sections from preliminary sections in reversing roll stand arrangements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1997130598 DE19730598A1 (en) 1997-07-17 1997-07-17 Method for rolling finished sections from preliminary sections

Publications (1)

Publication Number Publication Date
DE19730598A1 true DE19730598A1 (en) 1999-01-21

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ID=7835964

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1997130598 Ceased DE19730598A1 (en) 1996-12-04 1997-07-17 Method for rolling finished sections from preliminary sections

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Country Link
DE (1) DE19730598A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3103532A1 (en) * 1980-02-04 1981-12-24 Sacilor Aciéries et Laminoirs de Lorraine S.A., 57704 Hayange METHOD FOR ENCLOSING MULTIPLE DIFFERENT DIFFERENT CALIBERS ON A SINGLE ROLLER SET OF A DIVING UNIT FOR A UNIVERSAL ROLLER FOR CARRIERS, RAILS, OR OTHERWHERE SPECIAL PROFILES
DE4337555A1 (en) * 1993-11-04 1995-05-11 Schloemann Siemag Ag Method for rolling finished profiles from a preliminary profile by means of a roll stand arrangement working in reversing operation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3103532A1 (en) * 1980-02-04 1981-12-24 Sacilor Aciéries et Laminoirs de Lorraine S.A., 57704 Hayange METHOD FOR ENCLOSING MULTIPLE DIFFERENT DIFFERENT CALIBERS ON A SINGLE ROLLER SET OF A DIVING UNIT FOR A UNIVERSAL ROLLER FOR CARRIERS, RAILS, OR OTHERWHERE SPECIAL PROFILES
DE4337555A1 (en) * 1993-11-04 1995-05-11 Schloemann Siemag Ag Method for rolling finished profiles from a preliminary profile by means of a roll stand arrangement working in reversing operation

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OP8 Request for examination as to paragraph 44 patent law
8127 New person/name/address of the applicant

Owner name: SMS DEMAG AG, 40237 DUESSELDORF, DE

8131 Rejection