EP1107835B1 - Walzgerüst mit gekreuzten stütz- und/oder arbeitswalzen - Google Patents
Walzgerüst mit gekreuzten stütz- und/oder arbeitswalzen Download PDFInfo
- Publication number
- EP1107835B1 EP1107835B1 EP99919049A EP99919049A EP1107835B1 EP 1107835 B1 EP1107835 B1 EP 1107835B1 EP 99919049 A EP99919049 A EP 99919049A EP 99919049 A EP99919049 A EP 99919049A EP 1107835 B1 EP1107835 B1 EP 1107835B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stand
- cassette
- rolls
- rolling
- roll
- 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 - Lifetime
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 38
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims 6
- 238000013000 roll bending Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/16—Adjusting or positioning rolls
- B21B31/18—Adjusting or positioning rolls by moving rolls axially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/16—Adjusting or positioning rolls
- B21B31/18—Adjusting or positioning rolls by moving rolls axially
- B21B31/185—Adjusting or positioning rolls by moving rolls axially and by crossing rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
- B21B13/023—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally the axis of the rolls being other than perpendicular to the direction of movement of the product, e.g. cross-rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
- B21B2013/025—Quarto, four-high stands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2203/00—Auxiliary arrangements, devices or methods in combination with rolling mills or rolling methods
- B21B2203/06—Cassettes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
- B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/16—Adjusting or positioning rolls
- B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
- B21B31/32—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis by liquid pressure, e.g. hydromechanical adjusting
Definitions
- the invention relates to a roll stand with support and / or work rolls for rolling of sheets and strips in which the upper and lower work rolls may together with the support rollers assigned to them by pairs in opposite directions horizontal displacement of each roller stored within the stand window Chocks can be moved into positions from the common vertical plane are in which by the roll axes of the work and backup rolls crossing vertical planes.
- European patent application 0 525 552 A1 suggests the chocks of the work and backup rolls common sliding blocks before, which are arranged between the chocks and the roll stand and have on their sides facing away from the chocks wedge surfaces which with vertically adjustable slide drives with the same wedge surfaces correspond. When adjusting these sliding drives, the on wedge surfaces sliding on each other a horizontal displacement of the Sliding blocks, which adjust the side chocks and the rollers are crossed in pairs.
- actuators have become known from the same document, such as Hydraulic cylinders or spindles acting mechanically on the chocks, with which each have the chocks for changing the roller positions within the Stand window can be moved horizontally.
- the object of the present invention is to provide a roll stand simple sliding drives and high system stability to create that with simple constructive means an entanglement of the rollers with conventional Storage allows.
- the invention is also applicable when a so-called duo rolling mill with only two Work rolls is used.
- the invention provides that each work roll with its roll chocks in one of two is horizontal in the cassettes on both sides of the stand of the roll stand recorded and guided vertically and / or horizontally adjustable therein that the Cassettes can be pivoted in opposite directions about a common central vertical axis are provided by the upper and on the cross member and the cassette lower centering pin bearings is formed and that each cassette is in the area the stand window over gimbaled gimbal supports at both ends supported vertically against the rolling stand frame.
- each back-up roller with its roller chocks in one of two horizontally into the double-sided stand window of the roller stand extending cassettes and recorded vertically and / or horizontally is adjustable that the cassettes in opposite directions to a common central vertical axis are pivotable, which are on the column cross member and on the Cassette provided upper and lower centering pin bearings is formed and that each cassette in the area of the stand window over at both ends gimbal-supported pendulum supports supported vertically against the rolling mill frame.
- the pivoting of the cassettes with the respective rollers accommodated therein or pairs of rollers can be according to an embodiment of the invention by means of essentially horizontally acting power drives, on the one hand grasp the roller stand and the other hand on the respective cassette.
- Mechanical synchronization means prevent the cassette from tilting in the Roller stand.
- the cassettes can advantageously between both sides arranged hydraulic cylinders can be clamped so that a backlash-free Cassette guidance is guaranteed.
- the Cassettes can be hydraulically balanced against the upper and lower pendulum supports are.
- the lower balance also serves to raise the system to change the roller and to move the step wedges to adjust the Allow pass-line.
- the Hydraulic cylinder for vertical adjustment in the upper or lower cassette adjustable pair of rollers together with the corresponding ones Servo valves as well as the balancing and bending cylinders for the rollers are installed inside the cassette. It is achieved on the one hand that the Rolling forces are always introduced centrally and on the other hand the installation and removal the rollers are significantly simplified.
- the cassette solution according to the invention allows the work rolls to be moved in the axial direction as well as a positive and negative work roll bending.
- the axial displacement of the work rolls can be easily achieved if, according to a further feature of the invention, each work roll is displaceable in the axial direction via a two-armed lever system, the pivot point of which is arranged on the cassette, one lever arm of which is connected to a power drive supported on the cassette and the other Lever arm is non-positively or positively connected to the chock of the work roll.
- connection of the lever arm to the chock takes place via rollers which are arranged at the end of the lever and are supported on the chock.
- the lever arms in Area of the chocks transverse to the direction of movement of the work rolls are pivotable away to enable the work rolls to be removed.
- the system according to the invention thus created enables the positive and negative Bending as well as the axial displaceability of the work rolls in a simple functional device with a very large adjustment range for the profile and Flatness control. Dynamic pair crossing is possible with simple means, without having to use expensive, expensive swivel or eccentric bearings.
- 1 is the stand of a four-high rolling mill, whose Work rolls 2a, 2b and backup rolls 3a, 3b in pairs 2a, 3a and 2b, 3b in an upper cassette 4a or a lower cassette 4b, vertically displaceable led, arranged.
- the work rolls 2a, 2b are also by means of double-sided lever 5 axially, i.e. can be moved across the drawing plane.
- the cassettes 4a, 4b extend transversely to the roller pairs, in part partially Rolling plane from one side of the stand 1 to the other and extend into the two sides of the stand 1 provided stand window 6. Between the cheek 6a each Stand window 6 and the cassettes 4a, 4b is left a distance that one allows lateral adjustment of the cassettes 4a, 4b.
- the roll stand is shown rotated by 90 °.
- recesses 7 are provided in which the pendulum supports 8 extend approximately vertically.
- the pendulum supports are on gimbaled at their ends.
- dome-shaped support pairs 9 provided an inclined position of the pendulum supports 8 even under rolling load enable.
- the upper and lower pendulum supports 8 are attached to the cassettes 4a, 4b attacking balancing cylinder 12 between the stand head 1b and the Cassette 4a clamped; the pass-line setting (height adjustment of the system) of the lower pair of rollers is done conventionally via step wedges 15.
- the pass-line setting (height adjustment of the system) of the lower pair of rollers is done conventionally via step wedges 15.
- the upper, vertically adjustable pair of rollers are hydraulic cylinders 16 together with the associated servo valves in the upper cassette 4a built inside the same.
- Each work roll 2a, 2b is in the axial direction via a two-armed lever system 5 displaceable, the pivot point 19 on the respective cassette 4a or 4b is arranged, one lever arm at 18a with one on the cassette 4a or 4b supported power drive 20 is connected and the other lever arm 18b is non-positively or positively connected to the chock of the work roll.
- the connection of the lever arm 18b with the chock 21 takes place via rollers 22, which are arranged at the end of the lever 5 and mounted on the respective Support chock 21.
- each lever arm as indicated by dashed lines at 23, in the region of an articulated joint 24 transverse to Chock 21 are pivoted to the roller 22 from the area of To move the chock out.
- a hydraulic cylinder 25 is between the Lever arms of the lever system 5 arranged on both sides of the chocks arranged.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Rolling Contact Bearings (AREA)
- Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Description
Um die Verschiebung zu erleichtern und die Verschiebekräfte momentfrei in die Einbaustücke einleiten zu können ist nach einem anderen Merkmal der Erfindung vorgesehen, daß die Verbindung des Hebelarmes mit dem Einbaustück über Rollen erfolgt, die am Ende des Hebels drehgelagert angeordnet sind und sich am Einbaustück abstützen.
- Figur 1
- die Seitenansicht eines erfindungsgemäßen Quarto-Walzgerüstes,
- Figur 2
- eine um 90° gedrehte Ansicht des Walzgerüstes nach Figur 1.
Claims (9)
- Walzgerüst mit Stütz- und Arbeitswalzen (3a, 3b, 2a, 2b) zum Walzen von Blechen und Bändern, bei dem die oberen und unteren Arbeitswalzen (2a, 2b) zusammen mit den ihnen zugeordneten Stützwalzen (3a, 3b) curch paarweises gegensinniges horizontales Verschieben der jede Walze innerhalb der Ständerfenster (6) lagernden Einbaustücke (21) aus der gemeinsamen Vertikalebene heraus in Stellungen verschiebbar sind, in der sich die durch die Walzenachsen der Arbeits- und Stützwalzen (2a, 2b, 3a, 3b) verlaufenden Vertikalebenen kreuzen,
dadurch gekennzeichnet, daß jedes aus oberer bzw. unterer Stütz- und Arbeitswalze gebildete Walzenpaar (2a, 3a bzw. 2b, 3b) mit seinen Walzeneinbaustücken (21) in einer von zwei sich horizontal in die beidseitigen Ständerfenster (6) des Walzenständers (1) hinein erstreckenden Kassetten (4a, 4b) aufgenommen und darin vertikal und/oder horizontal verstellbar geführt ist, daß die Kassetten (4a, 4b) gegensinnig um eine gemeinsame zentrale vertikale Achse (S) verschwenkbar sind, die durch an der Ständerquertraverse und an der Kassette (4a bzw. 4b) vorgesehene obere und untere Zentrierzapfenlagerungen (10, 11) gebildet ist, und daß sich jede Kassette (4a, 4b) im Bereich der Ständerfenster (6) über an ihren beiden Enden kardanisch (bei 9) gelagerte Pendelstützen (8) vertikal gegen den Walzgerüstrahmen (1) abstützt. - Walzgerüst zum Walzen von Blechen und Bändern, bei dem die Arbeitswalzen (2a, 2b) durch gegensinniges horizontales Verschieben der jede Walze innerhalb der Ständerfenster (6) lagernden Einbaustücke (21) aus der gemeinsamen Vertikalebene heraus in Stellungen verschiebbar sind, in der sich die durch die Walzenachsen der Arbeitswalzen (2a, 2b) verlaufenden Vertikalebenen kreuzen,
dadurch gekennzeichnet, daß jede Arbeitswalze (2a, 2b) mit ihren Walzeneinbaustücken (21) in einer von zwei sich horizontal in die beidseitigen Ständerfenster (6) des Walzenständers (1) hinein erstreckenden Kassetten (4a, 4b) aufgenommen und darin vertikal und/oder horizontal verstellbar geführt ist, daß die Kassetten (4a, 4b) gegensinnig um eine gemeinsame zentrale vertikale Achse (S) verschwenkbar sind, die durch an der Ständerquertraverse und an der Kassette (4a bzw. 4b) vorgesehene obere und untere Zentrierzapfenlagerungen (10, 11) gebildet ist, und daß sich jede Kassette (4a, 4b) im Bereich der Ständerfenster (6) über an ihren beiden Enden kardanisch (bei 9) gelagerte Pendelstützen (8) vertikal gegen den Walzgerüstrahmen (1) abstützt. - Walzgerüst mit einem Stützwalzenpaar (3a, 3b) und von diesem abgestützten Arbeitswalzenpaar (2a, 2b) zum Walzen von Blechen und Bändern, bei dem die Walzen eines Walzenpaares durch paarweises gegensinniges horizontales Verschieben der jede Walze innerhalb der Ständerfenster (6) lagernden Einbaustücke (21) aus der gemeinsamen Vertikalebene heraus in Stellungen verschiebbar sind, in der sich die durch die Walzenachsen der Walzen dieses Walzenpaares verlaufenden Vertikalebenen kreuzen,
dadurch gekennzeichnet, daß jede Stützwalze (3a, 3b) jeweils mit ihren Walzeneinbaustücken in einer von zwei sich horizontal in die beidseitigen Ständerfenster (6) des Walzenständers (1) hinein erstreckenden Kassetten (4a, 4b) aufgenommen und darin vertikal und/oder horizontal verstellbar geführt ist, daß die Kassetten (4a, 4b) gegensinnig um eine gemeinsame zentrale vertikale Achse (S) verschwenkbar sind, die durch an der Ständerquertraverse und an der Kassette (4a bzw. 4b) vorgesehene obere und untere Zentrierzapfenlagerungen (10, 11) gebildet ist, und daß sich jede Kassette (4a, 4b) im Bereich der Ständerfenster (6) über an ihren beiden Enden kardanisch (bei 9) gelagerte Pendelstützen (8) vertikal gegen den Walzgerüstrahmen (1) abstützt. - Walzgerüst nach Anspruch 1, 2 und 3,
dadurch gekennzeichnet, daß zum Verschwenken der Kassetten (4a, 4b) im wesentlichen horizontal wirkende Kraftantriebe (17) vorgesehen sind, die einerseits am Walzenständer (1) und andererseits an der jeweiligen Kassette (4a bzw. 4b) angreifen. - Walzgerüst nach Anspruch 1 bis 4,
dadurch gekennzeichnet, daß die Kassetten (4a, 4b) hydraulisch gegen die oberen und unteren Pendelstützen (8) ausbalancierbar (12) sind. - Walzgerüst nach Anspruch 1 bis 5,
dadurch gekennzeichnet, daß die Hydraulikzylinder (16) zur Anstellung des in der oberen (4a) oder der unteren Kassette (4b) vertikal verstellbar gelagerten Walzenpaares (2a, 3a bzw. 2b, 3b) gemeinsam mit den dazugehörenden Servoventilen sowie die Ausbalancierungs- und Biegezylinder für die Walzen innerhalb der Kassette (4a oder 4b) eingebaut sind. - Walzgerüst nach Anspruch 1 bis 6,
dadurch gekennzeichnet, daß jede Arbeitswalze (2a, 2b) in Axialrichtung über ein zweiarmiges Hebelsystem (5) verschiebbar ist, dessen Schwenkpunkt (19) an der Kassette (4a bzw. 4b) angeordnet ist, dessen einer Hebelarm mit einen an der Kassette abgestützten Kraftmittelantrieb (20) verbunden ist und dessen anderer Hebelarm mit dem Einbaustück (21) der Arbeitswalze (2a bzw. 2b) kraft- oder formschlüssig verbunden ist. - Walzgerüst nach Anspruch 7,
dadurch gekennzeichnet, daß die Verbindung des Hebelarmes mit dem Einbaustück (21) über Rollen (22) erfolgt, die am Ende des Hebels drehgelagert angeordnet sind und sich am Einbaustück (21) abstützen. - Walzgerüst nach Anspruch 7 und 8,
dadurch gekennzeichnet, daß die Hebelarme im Bereich der Einbaustücke (21) quer zur Verschieberichtung der Arbeitwalzen (4a, 4b) wegschwenkbar sind, um den Ausbau der Arbeitswalzen (2a, 2b) zu ermöglichen.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19840538 | 1998-08-28 | ||
DE19840538A DE19840538A1 (de) | 1998-08-28 | 1998-08-28 | Walzgerüst mit gekreuzten Stütz- und/oder Arbeitswalzen |
PCT/DE1999/000628 WO2000012236A1 (de) | 1998-08-28 | 1999-03-02 | Walzgerüst mit gekreuzten stütz- und/oder arbeitswalzen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1107835A1 EP1107835A1 (de) | 2001-06-20 |
EP1107835B1 true EP1107835B1 (de) | 2002-05-15 |
Family
ID=7879911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99919049A Expired - Lifetime EP1107835B1 (de) | 1998-08-28 | 1999-03-02 | Walzgerüst mit gekreuzten stütz- und/oder arbeitswalzen |
Country Status (12)
Country | Link |
---|---|
US (1) | US6519994B1 (de) |
EP (1) | EP1107835B1 (de) |
JP (1) | JP2002523242A (de) |
KR (1) | KR20010072202A (de) |
CN (1) | CN1139440C (de) |
AT (1) | ATE217549T1 (de) |
AU (1) | AU3698399A (de) |
BR (1) | BR9913297A (de) |
CA (1) | CA2341380A1 (de) |
DE (2) | DE19840538A1 (de) |
ES (1) | ES2173737T3 (de) |
WO (1) | WO2000012236A1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10052855C2 (de) * | 2000-10-25 | 2002-11-07 | Mueller Weingarten Maschf | Walzenwechselvorrichtung |
DE10121078A1 (de) * | 2001-04-25 | 2002-10-31 | Sms Demag Ag | Walzgerüst für bahnförmiges Walzgut |
JP3692319B2 (ja) * | 2001-07-30 | 2005-09-07 | 三菱重工業株式会社 | 圧延機及び圧延方法 |
US8250895B2 (en) * | 2007-08-06 | 2012-08-28 | H.C. Starck Inc. | Methods and apparatus for controlling texture of plates and sheets by tilt rolling |
KR101201577B1 (ko) * | 2007-08-06 | 2012-11-14 | 에이치. 씨. 스타아크 아이앤씨 | 향상된 조직 균일성을 가진 내화 금속판 |
DE102008049179A1 (de) * | 2008-09-26 | 2010-04-01 | Sms Siemag Aktiengesellschaft | Walzvorrichtung |
AT511463B1 (de) * | 2011-06-22 | 2012-12-15 | Siemens Vai Metals Tech Gmbh | Bandbehandlungsvorrichtung |
CN103920711B (zh) * | 2014-04-22 | 2016-03-30 | 中冶南方工程技术有限公司 | 一种中间辊传动的窜辊装置 |
DE102015223516A1 (de) * | 2015-09-23 | 2017-03-23 | Sms Group Gmbh | Walzgerüst, Walzlanlage und Verfahren zum aktiven Dämpfen von Schwingungen in einem Walzgerüst |
CN106224390B (zh) * | 2016-07-21 | 2018-12-07 | 中冶陕压重工设备有限公司 | 一种光整机轴承座结构的使用方法 |
CN109590331B (zh) * | 2019-01-22 | 2024-02-27 | 江苏东顺新能源科技有限公司 | 一种轧辊机构以及铅带连轧设备 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5849333B2 (ja) * | 1978-07-10 | 1983-11-04 | 株式会社日立製作所 | 圧延機 |
JPS5831241B2 (ja) * | 1980-03-17 | 1983-07-05 | 三菱重工業株式会社 | ペア−クロス式4段圧延機 |
JPS638844A (ja) * | 1986-06-27 | 1988-01-14 | Fuji Photo Film Co Ltd | 画像フアイリング装置におけるデ−タ圧縮伸長器 |
JP2596958B2 (ja) * | 1988-01-12 | 1997-04-02 | 三菱重工業株式会社 | 圧延機のロールオシレーション装置 |
JP2993187B2 (ja) * | 1991-06-03 | 1999-12-20 | 石川島播磨重工業株式会社 | クロスミル |
JP2862439B2 (ja) | 1991-07-30 | 1999-03-03 | 三菱重工業株式会社 | クロスロール圧延機のロールクロス装置 |
JP3073623B2 (ja) * | 1993-03-19 | 2000-08-07 | 株式会社日立製作所 | 圧延機及び圧延機のロールクロス方法 |
IT1293773B1 (it) * | 1997-07-24 | 1999-03-10 | Demag Italimpianti Spa | Gabbia di laminazione a rulli incrociati, con assetto variabile. |
-
1998
- 1998-08-28 DE DE19840538A patent/DE19840538A1/de not_active Ceased
-
1999
- 1999-03-02 JP JP2000567323A patent/JP2002523242A/ja active Pending
- 1999-03-02 AU AU36983/99A patent/AU3698399A/en not_active Abandoned
- 1999-03-02 KR KR1020017001429A patent/KR20010072202A/ko active IP Right Grant
- 1999-03-02 DE DE59901469T patent/DE59901469D1/de not_active Expired - Lifetime
- 1999-03-02 CA CA002341380A patent/CA2341380A1/en not_active Abandoned
- 1999-03-02 US US09/786,038 patent/US6519994B1/en not_active Expired - Fee Related
- 1999-03-02 BR BR9913297-4A patent/BR9913297A/pt active Search and Examination
- 1999-03-02 WO PCT/DE1999/000628 patent/WO2000012236A1/de active IP Right Grant
- 1999-03-02 AT AT99919049T patent/ATE217549T1/de not_active IP Right Cessation
- 1999-03-02 ES ES99919049T patent/ES2173737T3/es not_active Expired - Lifetime
- 1999-03-02 CN CNB998098264A patent/CN1139440C/zh not_active Expired - Fee Related
- 1999-03-02 EP EP99919049A patent/EP1107835B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2173737T3 (es) | 2002-10-16 |
CN1139440C (zh) | 2004-02-25 |
ATE217549T1 (de) | 2002-06-15 |
DE19840538A1 (de) | 2000-03-09 |
DE59901469D1 (de) | 2002-06-20 |
EP1107835A1 (de) | 2001-06-20 |
BR9913297A (pt) | 2001-05-15 |
KR20010072202A (ko) | 2001-07-31 |
US6519994B1 (en) | 2003-02-18 |
CN1313795A (zh) | 2001-09-19 |
WO2000012236A1 (de) | 2000-03-09 |
AU3698399A (en) | 2000-03-21 |
CA2341380A1 (en) | 2000-03-09 |
JP2002523242A (ja) | 2002-07-30 |
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