US20070251662A1 - Apparatus for Manufacturing Metal Material by Rolling - Google Patents
Apparatus for Manufacturing Metal Material by Rolling Download PDFInfo
- Publication number
- US20070251662A1 US20070251662A1 US11/578,811 US57881105A US2007251662A1 US 20070251662 A1 US20070251662 A1 US 20070251662A1 US 57881105 A US57881105 A US 57881105A US 2007251662 A1 US2007251662 A1 US 2007251662A1
- Authority
- US
- United States
- Prior art keywords
- roll
- frame
- piston
- cylinder units
- measuring device
- 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.)
- Abandoned
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/1206—Accessories for subsequent treating or working cast stock in situ for plastic shaping of strands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
Definitions
- the invention concerns a method and a roll segment for determining the core solidification and/or the tip of the liquid crater in the continuous casting of metals, especially steel materials, within a roll segment of a support roll frame, whose upper frame, which supports the upper rolls, is driven towards the lower rolls of a lower frame by hydraulic piston-cylinder units installed at the vertices of a polygon to adjust to the given strand thickness.
- EP 0 908 256 B1 discloses a method and a device for producing slabs in a continuous casting plant, whose strand guide consists of roll segments downstream of the continuous casting mold.
- Each segment frame is divided into two sections, and the frame sections are braced together by means of piston-cylinder units.
- each roll segment has four hydraulic cylinders, which brace pairs of opposing rolls for supporting and conveying the solidifying continuously cast strand. At least one of these rolls, which acts as a drive roll, is pressed with a well-defined contact force against the continuously cast strand to transmit the strand-conveying forces.
- the roll gap between the roll conveyor of the stationary side and the roll conveyor of the movable side is determined, measured, and, if necessary, automatically controlled by hydraulic cylinders with integrated electronic displacement sensors and position sensors relative to one another.
- the position of the tip of the liquid crater inside the continuously cast strand is determined via the movement of the entire upper frame and/or an evaluation of the four position values in conjunction with the resulting force values of the four hydraulic cylinders.
- the stated objective is achieved by taking into consideration the measured values in the automatic position or force control for determining the position of the core solidification and/or the position of the tip of the liquid crater in the cast strand by means of an independent pair of piston-cylinder units with an external measuring device or an internal measuring device for adjusting a single, rotationally driven upper roll.
- the measurement results that are obtained are advantageously used as the basis for expanded process-engineering sequences and functions for the operation and optimization of the adjustment parameters of the continuous casting and the continuous casting plant.
- the selection of a position value with subsequent evaluation of the resulting force or the selection of the force values with subsequent evaluation of the resulting position can be used as process-engineering feedback of the state of the strand or the position of the tip of the liquid crater.
- the accuracy of the determination of the precise position of the tip of the liquid crater can be improved compared to the previously known procedure of using the entire upper frame for the measurement.
- the application is related to automatically position-controlled segments and an independent installation for segments without automatic position control.
- the equipment can be less expensively designed.
- increased accuracy can be preadjusted by simultaneously measuring the measured values in several (selected) roll segments with at least one pair of independent piston-cylinder units in each case and processing all of the measured data to obtain a mean value.
- the mechanical solution of the problem of the invention is achieved by providing the upper frame with an independent crossbeam, which serves the purpose of mounting an external measuring device or at least a pair of hydraulic piston-cylinder units and has a single, rotationally driven upper roll for measuring the data for the dummy bar force or the cast strand force.
- the crossbeam can be equipped with one or two hydraulic piston-cylinder units.
- the position of the piston-cylinder units is automatically controlled.
- position sensors are integrated in the cylinders, or an external measuring device is mounted on the crossbeam.
- An automatic control system receives the determined position values and automatically controls the cylinder set position by a hydraulic valve.
- the contact force of the single roll can be automatically controlled in similar fashion.
- pressure sensors are integrated in the hydraulic cylinders (in both cylinder chambers) or in connecting lines (between the control valve and cylinder).
- the cylinder set forces are automatically controlled by the hydraulic control valve.
- the roll segment with the features of the invention is then advantageous to arrange the roll segment with the features of the invention as the last roll segment of the support roll frame in the direction of casting.
- the automatically position-controlled crossbeam is placed in this way as the last stand of a support roll frame, it is possible to optimize the casting speed with maximum utilization of the continuous casting plant and maximum throughput. This prevents a hazard due to bulging of the strand downstream of the continuous casting machine when the casting speed at which the liquid crater leaves the strand guide is set too high.
- FIG. 1 shows an exploded perspective view of an upper roll segment
- FIG. 2 shows a perspective view of a unit consisting of an upper frame and lower frame, several of which can be arranged in succession to form a support roll frame.
- FIGS. 1 and 2 show a roll segment 1
- FIG. 2 shows the roll segment 1 in its installed state in a section of the support roll frame 2
- An upper frame 3 supports the upper rolls 4
- Hydraulic piston-cylinder units 6 are mounted at the vertices 5 a , 5 b , 5 c , 5 d of a polygon and are connected with a lower frame 7 by the pistons.
- the lower frame 7 supports the lower roll 8 .
- the upper frame 3 is slidingly supported on lateral uprights 9 a , 9 b in guides 10 , so that the upper frame 3 with its upper rolls 4 can move in a suitable manner when the cast strand undergoes a change in thickness (e.g., bulging).
- the upper rolls 4 and the lower rolls 8 are realized in partial lengths 4 a , 4 b and 8 a , 8 b , respectively, and are rotatably supported by inner bearings 11 and outer bearings 12 and internally cooled.
- the method for determining the core solidification and/or the position of the tip of the liquid crater during the continuous casting of metals, especially steel materials, is carried out in such a way that the measured values in the automatic position or force control for determining the position of the core solidification and/or the position-of the tip of the liquid crater in the cast strand are taken into consideration by means of an external measuring device 13 that is independent of the upper rolls 4 and lower rolls 8 or by means of at least a pair 14 of additional piston-cylinder units 14 a , 14 b , which is independent of the other piston-cylinder units 6 and has an internal measuring device 13 a for adjusting a single, rotationally driven upper roll 4 .
- the single, rotationally driven upper roll 4 has an upper shaft end 15
- the opposite unadjustable lower roll 8 has a lower shaft end 16 , to which the respective rotational drives (not shown) are connected.
- the upper frame 3 supports, in addition to the polygonal piston-cylinder units 6 on the movable side 17 (the stationary-mounted lower frame 7 on the stationary side 18 corresponds to the upper frame 3 ), a crossbeam 20 between paired transverse walls 19 .
- the single, driven upper roll 4 is mounted and rotatably supported on the crossbeam 20 .
- the crossbeam 20 is provided with jack rings 21 , so that a unit consisting of the single upper roll 4 , the independent pair 14 of piston-cylinder units 6 , and the measuring device 13 can be listed out or lowered into position with a crane.
- the pair 14 of piston-cylinder units 6 is connected by joints 22 .
Abstract
Description
- The invention concerns a method and a roll segment for determining the core solidification and/or the tip of the liquid crater in the continuous casting of metals, especially steel materials, within a roll segment of a support roll frame, whose upper frame, which supports the upper rolls, is driven towards the lower rolls of a lower frame by hydraulic piston-cylinder units installed at the vertices of a polygon to adjust to the given strand thickness.
- EP 0 908 256 B1 discloses a method and a device for producing slabs in a continuous casting plant, whose strand guide consists of roll segments downstream of the continuous casting mold. Each segment frame is divided into two sections, and the frame sections are braced together by means of piston-cylinder units. To this end, each roll segment has four hydraulic cylinders, which brace pairs of opposing rolls for supporting and conveying the solidifying continuously cast strand. At least one of these rolls, which acts as a drive roll, is pressed with a well-defined contact force against the continuously cast strand to transmit the strand-conveying forces. In this regard, the roll gap between the roll conveyor of the stationary side and the roll conveyor of the movable side is determined, measured, and, if necessary, automatically controlled by hydraulic cylinders with integrated electronic displacement sensors and position sensors relative to one another. The position of the tip of the liquid crater inside the continuously cast strand is determined via the movement of the entire upper frame and/or an evaluation of the four position values in conjunction with the resulting force values of the four hydraulic cylinders.
- It was found that this method for determining the tip of the liquid crater and the preceding regions is not sufficiently accurate. In addition, the expense for non-position-controlled roll segments is very high.
- In accordance with the invention, the stated objective is achieved by taking into consideration the measured values in the automatic position or force control for determining the position of the core solidification and/or the position of the tip of the liquid crater in the cast strand by means of an independent pair of piston-cylinder units with an external measuring device or an internal measuring device for adjusting a single, rotationally driven upper roll. The measurement results that are obtained are advantageously used as the basis for expanded process-engineering sequences and functions for the operation and optimization of the adjustment parameters of the continuous casting and the continuous casting plant. The selection of a position value with subsequent evaluation of the resulting force or the selection of the force values with subsequent evaluation of the resulting position can be used as process-engineering feedback of the state of the strand or the position of the tip of the liquid crater. The accuracy of the determination of the precise position of the tip of the liquid crater can be improved compared to the previously known procedure of using the entire upper frame for the measurement. The application is related to automatically position-controlled segments and an independent installation for segments without automatic position control. The equipment can be less expensively designed.
- In accordance with additional features of the invention, increased accuracy can be preadjusted by simultaneously measuring the measured values in several (selected) roll segments with at least one pair of independent piston-cylinder units in each case and processing all of the measured data to obtain a mean value.
- The mechanical solution of the problem of the invention is achieved by providing the upper frame with an independent crossbeam, which serves the purpose of mounting an external measuring device or at least a pair of hydraulic piston-cylinder units and has a single, rotationally driven upper roll for measuring the data for the dummy bar force or the cast strand force. The crossbeam can be equipped with one or two hydraulic piston-cylinder units. The position of the piston-cylinder units is automatically controlled. For this purpose, position sensors are integrated in the cylinders, or an external measuring device is mounted on the crossbeam. An automatic control system receives the determined position values and automatically controls the cylinder set position by a hydraulic valve. The contact force of the single roll can be automatically controlled in similar fashion. For this purpose, pressure sensors are integrated in the hydraulic cylinders (in both cylinder chambers) or in connecting lines (between the control valve and cylinder). The cylinder set forces are automatically controlled by the hydraulic control valve.
- In a refinement of the invention, for an odd total number of upper rolls and lower rolls, at least a middle upper roll and the opposite lower roll are driven.
- It is then advantageous to arrange the roll segment with the features of the invention as the last roll segment of the support roll frame in the direction of casting. When the automatically position-controlled crossbeam is placed in this way as the last stand of a support roll frame, it is possible to optimize the casting speed with maximum utilization of the continuous casting plant and maximum throughput. This prevents a hazard due to bulging of the strand downstream of the continuous casting machine when the casting speed at which the liquid crater leaves the strand guide is set too high.
- Specific embodiments are illustrated in the drawings and explained in greater detail below.
-
FIG. 1 shows an exploded perspective view of an upper roll segment -
FIG. 2 shows a perspective view of a unit consisting of an upper frame and lower frame, several of which can be arranged in succession to form a support roll frame. -
FIGS. 1 and 2 show aroll segment 1, andFIG. 2 shows theroll segment 1 in its installed state in a section of thesupport roll frame 2. Anupper frame 3 supports theupper rolls 4. Hydraulic piston-cylinder units 6 are mounted at thevertices lower frame 7 by the pistons. Thelower frame 7 supports thelower roll 8. To allow adjustment of theupper rolls 4 towards each correspondinglower roll 8, theupper frame 3 is slidingly supported onlateral uprights guides 10, so that theupper frame 3 with itsupper rolls 4 can move in a suitable manner when the cast strand undergoes a change in thickness (e.g., bulging). - The
upper rolls 4 and thelower rolls 8 are realized inpartial lengths inner bearings 11 andouter bearings 12 and internally cooled. - The method for determining the core solidification and/or the position of the tip of the liquid crater during the continuous casting of metals, especially steel materials, is carried out in such a way that the measured values in the automatic position or force control for determining the position of the core solidification and/or the position-of the tip of the liquid crater in the cast strand are taken into consideration by means of an
external measuring device 13 that is independent of theupper rolls 4 andlower rolls 8 or by means of at least apair 14 of additional piston-cylinder units cylinder units 6 and has aninternal measuring device 13 a for adjusting a single, rotationally drivenupper roll 4. The single, rotationally drivenupper roll 4 has anupper shaft end 15, and the opposite unadjustablelower roll 8 has alower shaft end 16, to which the respective rotational drives (not shown) are connected. - It is also possible, depending on the process, simultaneously to obtain the measured values in
several roll segments 1 with at least onepair 14 of independent piston-cylinder units - In accordance with
FIG. 2 (see alsoFIG. 1 ), theupper frame 3 supports, in addition to the polygonal piston-cylinder units 6 on the movable side 17 (the stationary-mountedlower frame 7 on thestationary side 18 corresponds to the upper frame 3), acrossbeam 20 between pairedtransverse walls 19. The single, drivenupper roll 4 is mounted and rotatably supported on thecrossbeam 20. Thecrossbeam 20 is provided withjack rings 21, so that a unit consisting of the singleupper roll 4, theindependent pair 14 of piston-cylinder units 6, and themeasuring device 13 can be listed out or lowered into position with a crane. Thepair 14 of piston-cylinder units 6 is connected byjoints 22. - In the illustrated embodiment, for an odd total number of
upper rolls 4 andlower rolls 8, at least the middleupper roll 4 is driven via theshaft end 15. The oppositelower roll 8 is also driven, and the lower shaft end 16 synchronously transmits a drive force. -
- 1 roll segment
- 2 support roll frame
- 3 upper frame
- 4 upper roll
- 4 a partial length
- 4 b partial length
- 5 a vertex of a polygon
- 5 b vertex of a polygon
- 5 c vertex of a polygon
- 5 d vertex of a polygon
- 6 piston-cylinder unit
- 7 lower frame
- 8 lower roll
- 8 a partial length
- 8 b partial length
- 9 a upright member
- 9 b upright member
- 10 guide
- 11 inner bearing
- 12 outer bearing
- 13 measuring device
- 13 a internal measuring device
- 14 independent pair of piston-cylinder units
- 14 a piston-cylinder unit
- 14 b piston-cylinder unit
- 15 upper shaft end
- 16 lower shaft end
- 17 movable side
- 18 stationary side
- 19 transverse wall
- 20 crossbeam
- 21 jack ring
- 22 joint
Claims (5)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004048618A DE102004048618A1 (en) | 2004-10-06 | 2004-10-06 | Method and roller segment for determining the core solidification and / or the sump tip in the continuous casting of metals, in particular of steel materials |
DE102004048618.2 | 2004-10-06 | ||
PCT/EP2005/010533 WO2006037555A1 (en) | 2004-10-06 | 2005-09-29 | Method and roll segment for determining core solidification and/or the liquid crater tip in the continuous casting of metals, particularly steel materials |
Publications (1)
Publication Number | Publication Date |
---|---|
US20070251662A1 true US20070251662A1 (en) | 2007-11-01 |
Family
ID=35385721
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/578,811 Abandoned US20070251662A1 (en) | 2004-10-06 | 2005-09-29 | Apparatus for Manufacturing Metal Material by Rolling |
Country Status (12)
Country | Link |
---|---|
US (1) | US20070251662A1 (en) |
EP (1) | EP1817125A2 (en) |
JP (1) | JP2008515638A (en) |
KR (1) | KR20070057072A (en) |
CN (1) | CN101035639A (en) |
CA (1) | CA2582947A1 (en) |
DE (1) | DE102004048618A1 (en) |
RU (1) | RU2006132923A (en) |
TW (1) | TW200615060A (en) |
UA (1) | UA83551C2 (en) |
WO (1) | WO2006037555A1 (en) |
ZA (1) | ZA200605635B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100319873A1 (en) * | 2007-12-28 | 2010-12-23 | Ina Huellen | Continuous casting installation with a device for determining solidification states of casting strand and associated method |
KR101372640B1 (en) | 2011-12-27 | 2014-03-11 | 주식회사 포스코 | Seperatable Segment and Roll Changing Method Using It |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005028703A1 (en) * | 2005-06-20 | 2006-12-28 | Siemens Ag | Regulating and or controlling method e.g. for adjusting segment in continuous casting installation, involves having lower frame and upper frame positioned in relation to each other by adjusting elements |
DE102006016375B4 (en) * | 2006-04-05 | 2023-02-16 | Sms Group Gmbh | Process and device for determining the core solidification and/or the sump peak during the continuous casting of metals, in particular of steel materials |
KR101220274B1 (en) * | 2007-12-31 | 2013-01-09 | 주식회사 포스코 | Assemblage device of Apparatus for Measuring Solidifide Shell Thickness In Slab |
AT506549B1 (en) * | 2008-03-28 | 2011-06-15 | Siemens Vai Metals Tech Gmbh | TRAIN TOUR SEGMENT |
AT506824B1 (en) * | 2008-05-26 | 2013-01-15 | Siemens Vai Metals Tech Gmbh | MORE STRAND CASTING |
DE102009031651A1 (en) * | 2009-07-03 | 2011-01-05 | Sms Siemag Aktiengesellschaft | Method for determining the position of the sump tip of a cast metal strand and continuous casting plant |
AT509352B1 (en) * | 2010-02-05 | 2014-06-15 | Siemens Vai Metals Tech Gmbh | ROAD GUIDE SEGMENT IN CASSETTE CONSTRUCTION WITH SINGLE ROLLING |
DE102010014347A1 (en) | 2010-04-09 | 2011-10-13 | Sms Siemag Ag | Method and device for adjusting the position of the sump tip in a cast strand |
CN102205401B (en) * | 2011-05-19 | 2013-03-06 | 田陆 | Sensor positioning device and continuous casting liquid core position detecting system with same |
DE102014202995A1 (en) | 2013-09-16 | 2015-03-19 | Sms Siemag Ag | Frame for a strand guide segment |
CN104174706B (en) * | 2014-09-11 | 2016-11-23 | 浙江恒立数控科技股份有限公司 | Roller group volume under pressure precision measurement apparatus |
AT516412B1 (en) * | 2014-10-28 | 2017-07-15 | Primetals Technologies Austria GmbH | Strand guide roller unit for a continuous casting machine |
CN106552912A (en) * | 2016-11-28 | 2017-04-05 | 东北大学 | The compact fan-shaped section of enhancement mode is used under a kind of weight of continuous casting and solidifying end |
CN109434056A (en) * | 2018-12-05 | 2019-03-08 | 东北大学 | A kind of double single-point weight soft reduction process of continuous casting billet solidifying end |
BR112021007409A2 (en) * | 2018-12-13 | 2021-08-03 | Arcelormittal | method for determining the location of the crater edge of a metal product, method of casting a metal product, and continuous casting to cast a metal product |
CN115026250A (en) * | 2022-06-27 | 2022-09-09 | 东北大学 | Control method for continuous casting large round billet tail end near liquidus electromagnetic stirring process |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5152334A (en) * | 1990-05-02 | 1992-10-06 | Mesta International | Guide roll assembly and method of guiding cast strand |
US5577548A (en) * | 1993-10-14 | 1996-11-26 | Voest-Alpine Industrieanlagenbau Gmbh | Continuous casting process and plant |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19745056A1 (en) * | 1997-10-11 | 1999-04-15 | Schloemann Siemag Ag | Process and plant for producing slabs in a continuous caster |
AT3953U3 (en) * | 2000-06-02 | 2001-04-25 | Voest Alpine Ind Anlagen | STRING GUIDING ELEMENT AND STRING GUIDING SEGMENT WITH INTEGRATED STRING GUIDING ELEMENT |
AT409465B (en) * | 2000-12-12 | 2002-08-26 | Voest Alpine Ind Anlagen | METHOD FOR ADJUSTING A CASTING SPLIT ON A STRAND GUIDE OF A CONTINUOUS CASTING SYSTEM |
DE102004002783A1 (en) * | 2004-01-20 | 2005-08-04 | Sms Demag Ag | Method and device for determining the position of the sump tip in the casting strand in the continuous casting of liquid metals, in particular of liquid steel materials |
DE102004010038A1 (en) * | 2004-03-02 | 2005-09-15 | Sms Demag Ag | Driving the safety rolls (7c) of a continuous casting machine useful for casting molten metals, especially molten steels |
-
2004
- 2004-10-06 DE DE102004048618A patent/DE102004048618A1/en not_active Withdrawn
-
2005
- 2005-09-29 UA UAA200610678A patent/UA83551C2/en unknown
- 2005-09-29 RU RU2006132923/02A patent/RU2006132923A/en not_active Application Discontinuation
- 2005-09-29 TW TW094133936A patent/TW200615060A/en unknown
- 2005-09-29 CN CNA2005800339950A patent/CN101035639A/en active Pending
- 2005-09-29 JP JP2007535065A patent/JP2008515638A/en not_active Withdrawn
- 2005-09-29 KR KR1020067016365A patent/KR20070057072A/en not_active Application Discontinuation
- 2005-09-29 CA CA002582947A patent/CA2582947A1/en not_active Abandoned
- 2005-09-29 US US11/578,811 patent/US20070251662A1/en not_active Abandoned
- 2005-09-29 WO PCT/EP2005/010533 patent/WO2006037555A1/en active Application Filing
- 2005-09-29 EP EP05790096A patent/EP1817125A2/en not_active Withdrawn
-
2006
- 2006-07-07 ZA ZA200605635A patent/ZA200605635B/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5152334A (en) * | 1990-05-02 | 1992-10-06 | Mesta International | Guide roll assembly and method of guiding cast strand |
US5577548A (en) * | 1993-10-14 | 1996-11-26 | Voest-Alpine Industrieanlagenbau Gmbh | Continuous casting process and plant |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100319873A1 (en) * | 2007-12-28 | 2010-12-23 | Ina Huellen | Continuous casting installation with a device for determining solidification states of casting strand and associated method |
US8336602B2 (en) | 2007-12-28 | 2012-12-25 | Sms Siemag Aktiengesellschaft | Continuous casting installation with a device for determining solidification states of casting strand and associated method |
KR101372640B1 (en) | 2011-12-27 | 2014-03-11 | 주식회사 포스코 | Seperatable Segment and Roll Changing Method Using It |
Also Published As
Publication number | Publication date |
---|---|
ZA200605635B (en) | 2007-09-26 |
DE102004048618A1 (en) | 2006-04-13 |
TW200615060A (en) | 2006-05-16 |
UA83551C2 (en) | 2008-07-25 |
WO2006037555A1 (en) | 2006-04-13 |
JP2008515638A (en) | 2008-05-15 |
CA2582947A1 (en) | 2006-04-13 |
RU2006132923A (en) | 2008-03-20 |
KR20070057072A (en) | 2007-06-04 |
EP1817125A2 (en) | 2007-08-15 |
CN101035639A (en) | 2007-09-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: SMS DEMAG AG, GERMANY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:WEYER, AXEL;REEL/FRAME:018445/0966 Effective date: 20060821 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO PAY ISSUE FEE |
|
AS | Assignment |
Owner name: SMS SIEMAG AKTIENGESELLSCHAFT, GERMANY Free format text: CHANGE OF NAME;ASSIGNOR:SMS DEMAG AG;REEL/FRAME:023725/0342 Effective date: 20090325 Owner name: SMS SIEMAG AKTIENGESELLSCHAFT,GERMANY Free format text: CHANGE OF NAME;ASSIGNOR:SMS DEMAG AG;REEL/FRAME:023725/0342 Effective date: 20090325 |