EP1232813B1 - Process and device for exchanging the supporting rolls forming a guiding cage in a continuous casting machine for metals, especially for steel - Google Patents
Process and device for exchanging the supporting rolls forming a guiding cage in a continuous casting machine for metals, especially for steel Download PDFInfo
- Publication number
- EP1232813B1 EP1232813B1 EP02000842A EP02000842A EP1232813B1 EP 1232813 B1 EP1232813 B1 EP 1232813B1 EP 02000842 A EP02000842 A EP 02000842A EP 02000842 A EP02000842 A EP 02000842A EP 1232813 B1 EP1232813 B1 EP 1232813B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- segment
- cassette
- support rollers
- roller
- continuous casting
- 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
- 238000009749 continuous casting Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000002184 metal Substances 0.000 title claims description 8
- 229910052751 metal Inorganic materials 0.000 title claims description 8
- 229910000831 Steel Inorganic materials 0.000 title claims description 7
- 150000002739 metals Chemical class 0.000 title claims description 7
- 239000010959 steel Substances 0.000 title claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 6
- -1 for steel Chemical class 0.000 claims 2
- 238000005266 casting Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
- B22D11/1285—Segment changing devices for supporting or guiding frames
Definitions
- the invention relates to a method and a device for exchanging the support rollers forming a strand guide of a continuous casting apparatus for metals, in particular for steel, which are combined into segments.
- the support rollers of the strand guide of a casting machine are highly stressed and wear depending on the conditions of use and the rolling materials used.
- the service life of the support rollers is therefore of great importance for the availability of the casting machine and thus for the casting performance, i. the production volume of continuous casting products.
- the strand guide is segmented in most cases. As a result, individual segments are divided into less transportable sections, which have already been made interchangeable (DE 198 11 651 A1). The segments can be picked up by a gripper and removed by means of a machine similar to a crane on the casting platform and subsequently transported back again (EP 0 029 798 B1). A similar segment exchange device for a segmented continuous casting is also known from DE 36 39 611 C1. All of these segment change devices are complex, heavy and expensive. However, the section-wise change of the strand guide by the increasing flexibility of the strand guide, for example, by their hydraulic power supply and the hydraulic piston-cylinder units increasingly complex and maintenance-prone.
- the document DE 1 458 032 A discloses a support roller arrangement on a continuous casting stand, in which the individual support rollers are taken together in the form of roll baskets.
- the roller bodies are detachably mounted with each other and on a support frame and mutually exchangeable. Damaged reel baskets can be replaced with intact reel bodies.
- the invention has the object, further to form a method and apparatus for replacing roll cassettes in a strand guide to the effect that such a change is possible in only one operation.
- each segment an upper and a lower roll cassette on spacer means are mutually supported and together form an exchangeable cassette, which can be expanded as a whole and vice versa can be re-installed in the same segment. In this way, only one operation is advantageously required when changing the support rollers or when changing from multiple roll cassettes.
- Another removal or installation method is designed as training to the effect that one or both roller cassettes moved only in the stranding direction and then removed by the hoist or vice versa is moved during installation.
- the device for exchanging the support rollers forming a strand guide of a continuous casting plant for metals, in particular for steel, which are combined into segments, achieves the stated object according to the invention in that the two roll cassettes with spacers together as a removable cassette with the help of a Hebezugs expandable or vice versa are re-installable. As a result, only one operation is required when changing the support rollers.
- a further improvement results from the fact that the directions of movement when removing or installing the roller cassettes or exchangeable cassettes depending on the type of continuous casting is determined.
- a change is also possible if the strand guide sections laterally out of the operating position can be moved out and the roll cassettes removed by appropriate means, such as a manipulator or a crane or used later.
- the use of such roll cassettes is therefore not limited to a special continuous casting machine type, but for all machines possible.
- segment frame is U-shaped in its basic form and that on the open side a rigid, approximately bar-shaped segment frame part by means of both sides arranged hydraulic piston-cylinder units or can be raised. As a result, the correct opening width for changing the roll cassettes can be achieved.
- the sole figure of the drawing represents a front view against the segment frame of a continuous casting plant.
- the process for replacing the support rollers 1 forming a strand guide within segments 2 of a continuous casting apparatus for metals, in particular for steel, is carried out in such a way that after removal of a segment 2 and after transport to the segment workshop, several, rotatably mounted on a holding frame 3, together a roller cassette 4 forming support rollers 1, removed by a hoist 7 from the segment frame 2a and a repaired reel cassette 4 re-installed after their maintenance and the segment 2 is returned to the strand guide position. It can also per segment 2, a first support frame 3 with rotatably mounted support rollers 1 and a second, opposite support frame 3 with rotatably mounted counter-support rollers 1a together as a removable cassette 5 or be installed.
- an upper roll cassette 4 and a lower roll cassette 4 can be removed from each other by spacing means 6, for example by a metal or wood insert, as an exchangeable cassette 5 and to reinstall a repaired unit after maintenance.
- spacing means 6 for example by a metal or wood insert
- an exchangeable cassette 5 can also be one or both roller cassettes 4 in the stranding direction be moved and then removed by the hoist 7 or that is moved in reverse order during installation.
- the device for exchanging the strand guide forming a support rollers 1 a continuous casting plant for metals, especially for steel, which are summarized in segments 2, provides for the fixed side 8 and for the lot side 9 each before a roll cassette 4, consisting of a number of on a support frame 3 rotatably mounted support rollers 1, wherein the fixed-side roll cassette 10 and the Loson- roll cassette 11 is clamped in each case by means of a releasable connection 12 to the segment frame 2a.
- the number of support rollers 1 and the counter-support rollers 1a per support frame 3 depends on the handling and / or the weight of the roll cassette 4th
- the upper and lower roll cassette 4, so the lot side roll cassette 9 and the fixed-side roll cassette 10 can also be removed as a unit with spacer means 6 together as a removable cassette 5 removed or vice versa.
- the directions of movement 13 and 14 when removing or installing the roller cassettes 4 or a removable cassette 5 are determined depending on the type of continuous casting.
- the operation of the hoist 7 takes place in the construction direction 15 or 16 in the installation direction.
- the segment frame 2 which is in its basic form, as drawn, U-shaped, has on the open side a rigid, approximately bar-shaped segment frame part 2b, which can be employed by means of both sides arranged hydraulic piston-cylinder units 17 and 18, for example, or can be delivered.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Forwarding And Storing Of Filamentary Material (AREA)
- Metal Rolling (AREA)
- Accessories And Tools For Shearing Machines (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren und eine Vorrichtung zum Auswechseln der eine Strangführung bildenden Stützrollen einer Stranggießvorrichtung für Metalle, insbesondere für Stahl, die in Segmenten zusammengefasst sind.The invention relates to a method and a device for exchanging the support rollers forming a strand guide of a continuous casting apparatus for metals, in particular for steel, which are combined into segments.
Die Stützrollen der Strangführung einer Gießmaschine sind hoch beansprucht und verschleißen in Abhängigkeit von den Einsatzbedingungen und den verwendeten Rollenwerkstoffen. Die Standzeit der Stützrollen ist deshalb von großer Bedeutung für die Verfügbarkeit der Gießmaschine und damit für die Gießleistung, d.h. die Produktionsmenge von Strangguss-Produkten.The support rollers of the strand guide of a casting machine are highly stressed and wear depending on the conditions of use and the rolling materials used. The service life of the support rollers is therefore of great importance for the availability of the casting machine and thus for the casting performance, i. the production volume of continuous casting products.
Die Strangführung ist in den meisten Fällen segmentiert aufgebaut. Dadurch werden einzelne Segmente in wenig transportable Abschnitte gegliedert, die schon austauschbar gestaltet worden sind (DE 198 11 651 A1). Die Segmente können durch einen Greifer aufgenommen werden und mittels einer kranähnlich an der Gießbühne geführten Maschine ab- und später wieder antransportiert werden (EP 0 029 798 B1). Eine ähnliche Segmentwechseleinrichtung für eine in Segmente unterteilte Stranggießanlage ist außerdem aus der DE 36 39 611 C1 bekannt. Alle diese Segmentwechseleinrichtungen sind aufwendig, schwer und teuer. Dabei ist jedoch der abschnittsweise Wechsel der Strangführung durch die zunehmende Flexibilisierung der Strangführung z.B. durch ihre hydraulische Energieversorgung und die hydraulischen Kolben-Zylinder-Einheiten immer aufwendiger und wartungsanfälliger.The strand guide is segmented in most cases. As a result, individual segments are divided into less transportable sections, which have already been made interchangeable (DE 198 11 651 A1). The segments can be picked up by a gripper and removed by means of a machine similar to a crane on the casting platform and subsequently transported back again (EP 0 029 798 B1). A similar segment exchange device for a segmented continuous casting is also known from DE 36 39 611 C1. All of these segment change devices are complex, heavy and expensive. However, the section-wise change of the strand guide by the increasing flexibility of the strand guide, for example, by their hydraulic power supply and the hydraulic piston-cylinder units increasingly complex and maintenance-prone.
Die Druckschrift DE 1 458 032 A offenbart eine Stützrollenanordnung an einem Stranggussgerüst, bei der die einzelnen Stützrollen in Form von Rollenkörben zusammen gefasst sind. Die Rollenkörper sind untereinander und auf einem Trägergerüst lösbar montiert und gegenseitig austauschbar. Beschädigte Rollenkörbe können gegen intakte Rollenkörper ausgetauscht werden.The document DE 1 458 032 A discloses a support roller arrangement on a continuous casting stand, in which the individual support rollers are taken together in the form of roll baskets. The roller bodies are detachably mounted with each other and on a support frame and mutually exchangeable. Damaged reel baskets can be replaced with intact reel bodies.
Ausgehend von diesem Stand der Technik liegt der Erfindung die Aufgabe zugrunde, ein Verfahren und eine Vorrichtung zum Auswechseln von Rollenkassetten bei einer Strangführung dahingehend weiter zu bilden, dass ein solcher Wechsel jeweils in nur einem Arbeitsgang möglich wird.Based on this prior art, the invention has the object, further to form a method and apparatus for replacing roll cassettes in a strand guide to the effect that such a change is possible in only one operation.
Diese Aufgabe wird durch das in Patentanspruch 1 beanspruchte Verfahren gelöst. Dieses Verfahren ist dadurch gekennzeichnet, dass pro Segment jeweils eine obere und eine untere Rollenkassette auf Abstandsmitteln aufeinander abgestützt sind und zusammen eine Wechselkassette bilden, welche als Ganzes ausgebaut und umgekehrt wieder in dasselbe Segment eingebaut werden kann. Auf diese Weise wird vorteilhafterweise beim Wechsel der Stützrollen bzw. beim Wechsel von mehreren Rollenkassetten nur ein Arbeitsgang benötigt.This object is achieved by the method claimed in claim 1. This method is characterized in that each segment an upper and a lower roll cassette on spacer means are mutually supported and together form an exchangeable cassette, which can be expanded as a whole and vice versa can be re-installed in the same segment. In this way, only one operation is advantageously required when changing the support rollers or when changing from multiple roll cassettes.
Eine andere Aus- bzw. Einbaumethode ist als Weiterbildung dahingehend gestaltet, dass eine oder beide Rollenkassetten erst in Strangaderrichtung verschoben und dann durch das Hebezeug ausgebaut werden oder umgekehrt beim Einbauen verfahren wird.Another removal or installation method is designed as training to the effect that one or both roller cassettes moved only in the stranding direction and then removed by the hoist or vice versa is moved during installation.
Die Vorrichtung zum Auswechseln der eine Strangführung bildenden Stützrollen einer Stranggießanlage für Metalle, insbesondere für Stahl, die in Segmenten zusammengefasst sind, löst die gestellte Aufgabe erfindungsgemäß dadurch, dass die beiden Rollenkassetten mit Abstandsmitteln zusammen als Wechselkassette mit Hilfe eines Hebezugs ausbaubar oder umgekehrt wieder einbaubar sind. Dadurch wird beim Wechsel der Stützrollen nur ein Arbeitsgang erforderlich.The device for exchanging the support rollers forming a strand guide of a continuous casting plant for metals, in particular for steel, which are combined into segments, achieves the stated object according to the invention in that the two roll cassettes with spacers together as a removable cassette with the help of a Hebezugs expandable or vice versa are re-installable. As a result, only one operation is required when changing the support rollers.
Eine weitere Verbesserung ergibt sich dadurch, dass die Bewegungsrichtungen beim Ausbau oder Einbau der Rollenkassetten oder der Wechselkassetten vom Typ der Stranggießanlage abhängig festlegbar ist. Bei Senkrechtgießanlagen bietet sich an, die Rollenkassetten zumindest in Teilbereichen vertikal nach oben zu wechseln. Ein Wechsel ist auch dann möglich, wenn die Strangführung abschnittsweise seitlich aus der Betriebsposition heraus bewegt werden kann und die Rollenkassetten durch entsprechende Einrichtungen, wie z.B. eines Manipulators oder eines Krans entnommen oder später wieder eingesetzt werden. Der Einsatz solcher Rollenkassetten ist deshalb nicht auf einen speziellen Stranggießmaschinen-Typ beschränkt, sondern für alle Maschinen möglich.A further improvement results from the fact that the directions of movement when removing or installing the roller cassettes or exchangeable cassettes depending on the type of continuous casting is determined. In vertical casting plants, it is advisable to change the roll cassettes vertically upwards, at least in some areas. A change is also possible if the strand guide sections laterally out of the operating position can be moved out and the roll cassettes removed by appropriate means, such as a manipulator or a crane or used later. The use of such roll cassettes is therefore not limited to a special continuous casting machine type, but for all machines possible.
Weiter ist vorgesehen, dass der Segmentrahmen in seiner Grundform U-förmig ist und dass an der offen Seite ein starrer, etwa balkenförmiger Segmentrahmenteil mittels beidseitig angeordneter hydraulischer Kolben-Zylinder-Einheiten auf- oder zustellbar ist. Dadurch kann die richtige Öffnungsweite für das Wechseln der Rollenkassetten erreicht werden.It is further provided that the segment frame is U-shaped in its basic form and that on the open side a rigid, approximately bar-shaped segment frame part by means of both sides arranged hydraulic piston-cylinder units or can be raised. As a result, the correct opening width for changing the roll cassettes can be achieved.
In der Zeichnung ist ein Ausführungsbeispiel schematisch dargestellt und wird nachfolgend näher erläutert.In the drawing, an embodiment is shown schematically and will be explained in more detail below.
Die einzige Figur der Zeichnung stellt eine Vorderansicht gegen den Segmentrahmen einer Stranggießanlage dar.The sole figure of the drawing represents a front view against the segment frame of a continuous casting plant.
Das Verfahren zum Auswechseln der eine Strangführung bildenden Stützrollen 1 innerhalb von Segmenten 2 einer Stranggießvorrichtung für Metalle, insbesondere für Stahl, wird in solchen Schritten ausgeführt, dass nach Ausbau eines Segmentes 2 und nach Transport in die Segmentwerkstatt , mehrere, an einem Halterahmen 3 drehgelagerte, zusammen eine Rollenkassette 4 bildende Stützrollen 1, durch ein Hebezeug 7 aus dem Segmentrahmen 2a ausgebaut und eine instandgesetzte Rollenkassette 4 nach deren Wartung wieder eingebaut und das Segment 2 wieder in die Strangführungsposition zurückgebracht wird. Dabei kann auch pro Segment 2 ein erster Halterahmen 3 mit drehgelagerten Stützrollen 1 und ein zweiter, gegenüberliegender Halterahmen 3 mit drehgelagerten Gegen-Stützrollen 1a zusammen als eine Wechselkassette 5 aus- oder eingebaut werden. Als ein alternativer Schritt ist dann möglich, dass eine obere Rollenkassette 4 und eine untere Rollenkassette 4 durch Abstandsmittel 6, z.B. durch eine Metall- oder Holzeinlage, aufeinander abgestützt zusammen als Wechselkassette 5 ausgebaut und eine instandgesetzte Einheit nach Wartung wieder eingebaut wird. Je nach dem Typ der Stranggießanlage, ob Senkrecht-, Senkrecht-Abbiege- oder Bogenanlage kann auch eine oder beide Rollenkassetten 4 in Strangaderrichtung verschoben werden und dann durch das Hebezeug 7 ausgebaut werden oder dass in umgekehrter Reihenfolge beim Einbauen verfahren wird.The process for replacing the support rollers 1 forming a strand guide within
Die Vorrichtung zum Auswechseln der eine Strangführung bildenden Stützrollen 1 einer Stranggießanlage für Metalle, insbesondere für Stahl, die in Segmenten 2 zusammengefasst sind, sieht für die Festseite 8 und für die Losseite 9 jeweils eine Rollenkassette 4 vor, bestehend aus einer Anzahl von an einem Halterahmen 3 drehgelagerten Stützrollen 1, wobei die Festseiten-Rollenkassette 10 und die Losseiten- Rollenkassette 11 jeweils mittels einer lösbaren Verbindung 12 an dem Segmentrahmen 2a angeklemmt wird.The device for exchanging the strand guide forming a
Die Anzahl der Stützrollen 1 bzw. der Gegen-Stützrollen 1a pro Halterahmen 3 richtet sich nach der Handhabbarkeit und / oder nach dem Gewicht der Rollenkassette 4.The number of support rollers 1 and the
Die obere und die untere Rollenkassette 4, also die Losseiten-Rollenkassette 9 und die Festseiten-Rollenkassette 10 können auch als eine Einheit mit Abstandsmitteln 6 zusammen als eine Wechselkassette 5 ausgebaut oder umgekehrt wieder eingebaut werden. Die Bewegungsrichtungen 13 und 14 beim Ausbau oder Einbau der Rollenkassetten 4 oder einer Wechselkassette 5 werden dabei vom Typ der Stranggießanlage abhängig festgelegt. Die Arbeitsweise des Hebezeugs 7 erfolgt in der Ausbaurichtung 15 oder in der Einbaurichtung 16.The upper and
Der Segmentrahmen 2, der in seiner Grundform, wie gezeichnet, U-förmig ist, besitzt an der offenen Seite einen starren, etwa balkenförmigen Segmentrahmenteil 2b, der mittels beidseitig angeordneter hydraulischer Kolben-Zylinder-Einheiten 17 und 18 angestellt werden kann, z.B. aufgestellt oder zugestellt werden kann.The
- 11
- Stützrollesupporting role
- 1a1a
- GegenstützrolleCounter support roller
- 22
- Segmentsegment
- 2a2a
- Segmentrahmensegment frame
- 2b2 B
- SegmentrahmenteilSegment frame part
- 33
- Halterahmenholding frame
- 44
- Rollenkassetteroll cassette
- 55
- Wechselkassetteinterchangeable cassette
- 66
- Abstandsmittelspacer
- 77
- Hebezeughoist
- 88th
- Festseitefixed side
- 99
- Losseiteloose side
- 1010
- Festseiten-RollenkassetteFixed side roll cassette
- 1111
- Losseiten-RollenkassetteLosseiten roll cassette
- 1212
- Verbindungconnection
- 1313
- Bewegungsrichtungmovement direction
- 1414
- Bewegungsrichtungmovement direction
- 1515
- Ausbaurichtungexpansion direction
- 1616
- Einbaurichtunginstallation direction
- 1717
- Kolben-Zylinder-EinheitPiston-cylinder unit
- 1818
- Kolben-Zylinder-EinheitPiston-cylinder unit
Claims (4)
- Method for changing the support rollers, which form a strip guide, of a continuous casting device for metals, particularly for steel, wherein the support rollers are combined to form segments and, within the segments, to form roller cassettes, which each have several support rollers rotatably mounted at a mounting frame, and wherein per segment a respective upper and lower roller cassette are supported on one another on spacers and together form an exchange cassette; wherein the method comprises the following steps: demounting of a segment from the strip guide; demounting of the exchange cassette from the segment frame of the demounted segment by a hoist; reinstallation in reverse of the previously demounted exchange cassette in the segment frame of the segment; and reinstallation of the segment in the strip guide.
- Method according to claim 1, characterised in that the two roller cassettes forming the exchange cassette are displaced firstly in strip line direction and are then demounted by the hoist or conversely in the installation procedure.
- Device for exchanging the support rollers, which form a strip guide, of a continuous casting plant for metals, particularly for steel, which are combined in segments, wherein a respective roller cassette (4) consisting of a number of support rollers rotatably mounted at a mounting frame (3) is formed for each of the fixed side (8) and the loose side (9) of the strip guide and wherein the fixed side roller cassette (10) and the loose side roller cassette (11) are each connectible with the segment frame (2a) by means of a detachable connection (12); characterised in that the two roller cassettes (10, 11) together with spacers (6) are demountable as an exchange cassette (5) with the help of a hoist or are reinstallable in reverse.
- Device according to claim 3, characterised in that the segment frame (2a) is U-shaped in its basic form and that a rigid, approximately beam-shaped segment frame part (12) can be erected or fed at the open side by means of hydraulic piston-cylinder units (17, 18) arranged at both sides.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10107565 | 2001-02-17 | ||
| DE10107565A DE10107565A1 (en) | 2001-02-17 | 2001-02-17 | Method and device for replacing the support rollers forming a strand guide of a continuous casting device for metals, in particular for steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1232813A1 EP1232813A1 (en) | 2002-08-21 |
| EP1232813B1 true EP1232813B1 (en) | 2007-03-07 |
Family
ID=7674464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02000842A Expired - Lifetime EP1232813B1 (en) | 2001-02-17 | 2002-01-15 | Process and device for exchanging the supporting rolls forming a guiding cage in a continuous casting machine for metals, especially for steel |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1232813B1 (en) |
| AT (1) | ATE355919T1 (en) |
| DE (2) | DE10107565A1 (en) |
| ES (1) | ES2280439T3 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005024762A1 (en) * | 2005-05-31 | 2006-12-07 | Sms Demag Ag | Continuous casting apparatus for liquid metal, especially steel, includes strand guide with releasable coupling between fixed and loose sides to facilitate replacement of segment frames and rollers |
| DE102005036402A1 (en) * | 2005-07-29 | 2007-02-01 | Sms Demag Ag | Device for continuously casting liquid metal, especially liquid steel, comprises piston-cylinder drive units each having a piston rod connected to an extension using a coupling |
| DE102005039473A1 (en) | 2005-08-20 | 2007-02-22 | Sms Demag Ag | Device for a quick connection or a quick release of two large, heavy components for the metallurgical plant, in particular for a steel continuous casting machine |
| DE102017220340A1 (en) | 2017-11-15 | 2019-05-16 | Sms Group Gmbh | Apparatus and method for replacing a segment of a continuous casting plant |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1458032A1 (en) * | 1964-11-14 | 1969-09-18 | Demag Ag | Support roller arrangement on a continuously cast frame |
| US3735848A (en) * | 1972-03-22 | 1973-05-29 | Pittsburgh Steel Corp | Idler roll mounting construction |
| DE3639611C1 (en) * | 1986-11-20 | 1988-07-14 | Voest Alpine Ag | Segment-changing device for a continuous casting installation divided into segments |
-
2001
- 2001-02-17 DE DE10107565A patent/DE10107565A1/en not_active Withdrawn
-
2002
- 2002-01-15 DE DE50209618T patent/DE50209618D1/en not_active Expired - Lifetime
- 2002-01-15 ES ES02000842T patent/ES2280439T3/en not_active Expired - Lifetime
- 2002-01-15 AT AT02000842T patent/ATE355919T1/en active
- 2002-01-15 EP EP02000842A patent/EP1232813B1/en not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| None * |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE355919T1 (en) | 2007-03-15 |
| DE10107565A1 (en) | 2002-08-29 |
| EP1232813A1 (en) | 2002-08-21 |
| DE50209618D1 (en) | 2007-04-19 |
| ES2280439T3 (en) | 2007-09-16 |
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