EP1195204B1 - Rolling stand with back-up and/or work rolls for rolling sheets or strips - Google Patents
Rolling stand with back-up and/or work rolls for rolling sheets or strips Download PDFInfo
- Publication number
- EP1195204B1 EP1195204B1 EP01121593A EP01121593A EP1195204B1 EP 1195204 B1 EP1195204 B1 EP 1195204B1 EP 01121593 A EP01121593 A EP 01121593A EP 01121593 A EP01121593 A EP 01121593A EP 1195204 B1 EP1195204 B1 EP 1195204B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roll
- water stripper
- cavity
- stand according
- compressed air
- 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 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims 1
- 230000037431 insertion Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/10—Lubricating, cooling or heating rolls externally
Definitions
- the invention relates to a rolling stand with support and / or work rolls for rolling sheets or strips, arranged between the work roll chocks, the upper roll associated rolling beam at the lower roll circumference and attached to the rolling beam water scraper, which from the outside by adjusting against the Roll surface is adjustable.
- Such water scrapers are known (W096 / 24443), wherein the ancestor and resetting of the scraper, a housing is provided, which is hydraulically or pneumatically engageable and which is provided on its front with an elastic pad.
- a comprehensive control device with control valves and an actuator.
- GB-A 750154 discloses an improvement of a rolling stand for cold rolling of sheets or strips, comparable to a water scraper, with rolling bars arranged on the roll circumference between the work roll chocks and the upper work roll and a means for applying lubricant applied to the roll bar on the upper, middle and lower roller circumference, which can be adjusted from the outside by adjusting against the rolling surface.
- the supply of the lubricant takes place differently than with water supply from a separate oil container and a feared migration of the oil is prevented by two sealing strips. This results in significantly changed conditions for oil application over water stripping.
- the invention has for its object to provide a simple water scraper device with a smallest possible number of parts, which is compact, can be accommodated in a small space and minimizes the Abstreiferverschleiss.
- the stated object is achieved in that the formed with profile cross section water scraper is guided in a support bar that in the water scraper extending in the extension of the support bar cavity is formed and that the cavity can be acted upon with compressed air that the water scraper forms a groove on the back, that the pressure of the compressed air in the cavity is adjustable to a contact pressure of the Wasserabstreifers on the roll circumference and that the pressure of the compressed air is set independently of the friction seal of the sealing lip of the water scraper.
- the water scraper is acted upon in full length by the media pressure, so that a Aufpressline arises and thereby even a molding roll can be stripped off.
- the contact pressure can be maintained independently of the fretting wear. A very accurate adjustment of the support bar is eliminated.
- the groove is advantageous because it generates a seal towards the front in the direction of the roll circumference by the piston itself, so that a discharge of the compressed air in the sense of a sealing effect does not take place. Due to the independence of the pressure of the compressed air from the fretting wear of the sealing lip of the water scraper, constant experience can be gained.
- the length of the support bar can be exploited so advantageous that the water scraper is elastic and is guided in a slot of the support bar.
- the assembly is easy and time-saving.
- the support bar is permanently connected to the rolling beam and thus requires only simple fastening means.
- the attachment to the operating position can be carried out such that the support bar on a mounting surface which is parallel to the roll axis, releasably secured.
- a piston-cylinder arrangement is further formed by the fact that the cavity is arranged on the back of the water scraper.
- the pressure medium always sets the scraper serving as a piston in a desired rubbing position.
- the water wiper is made of rubber or a rubber compound.
- the pressure medium supply can be done in various ways. A particularly simple and economical is that the cavity can be connected to the factory compressed air network.
- a roll stand of the type with support and / or work rolls 1 for rolling sheets or strips of steel has a roll bar 3 arranged between the work roll chocks 3, which carries at the lower roll circumference 3a a water scraper 4, the rolling beam on the third is attached.
- the water scraper 4 is adjustable by adjusting 5 against the roll surface, ie against the lower roll circumference 3a.
- the water scraper 4 is provided with a profile cross-section 4 a and is guided in a support bar 6.
- the support bar 6 has for this purpose a slot 8, in which the elastic water scraper 4 is inserted with its full length (in one case 4020 mm).
- the support bar 6 is connected to the rolling beam 3.
- the support bar 6 is seated on a mounting surface 9 which is parallel to the roll axis and is prepared on the roll bar 3.
- FIG. 2 shows the adjusting means 5 for a half-side smaller roll diameter (left) and for a half-side larger roll diameter (right).
- the support bar 6 is fastened by means of screws 10 which are guided by a slot which can be provided from above with covers.
- Fig. 2B In another enlargement of the detail "B" is shown in Fig. 2B, the supply of the pressure medium by means of a compressed air connection 7a in a groove 4c on the back 4b, the profile cross-section 4a ends at the end with the sealing lip 4d, in the groove 4c, the pressure medium is initiated.
- this design requires only one compressed air port 7a per roll beam side.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Cleaning In General (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Press Drives And Press Lines (AREA)
Abstract
Description
Die Erfindung betrifft ein Walzgerüst mit Stütz- und / oder Arbeitswalzen zum Walzen von Blechen oder Bändern, mit zwischen den Arbeitswalzen-Einbaustücken angeordnetem, der oberen Walze zugeordnetem Walzbalken am unteren Walzenumfang und am Walzbalken befestigtem Wasser-Abstreifer, der von außen durch Verstellmittel gegen die Walzenoberfläche anstellbar ist.The invention relates to a rolling stand with support and / or work rolls for rolling sheets or strips, arranged between the work roll chocks, the upper roll associated rolling beam at the lower roll circumference and attached to the rolling beam water scraper, which from the outside by adjusting against the Roll surface is adjustable.
Derartige Wasser-Abstreifer sind bekannt (W096 / 24443), wobei zum Vorfahren und Zurückstellen des Abstreifers ein Gehäuse vorgesehen ist, das hydraulisch oder pneumatisch anstellbar ist und das an seiner Vorderseite mit einem elastischen Polster versehen ist. Eine solche Vorrichtung erfordert aber eine umfangreiche Steuereinrichtung mit Steuerventilen und einem Stellantrieb.Such water scrapers are known (W096 / 24443), wherein the ancestor and resetting of the scraper, a housing is provided, which is hydraulically or pneumatically engageable and which is provided on its front with an elastic pad. However, such a device requires a comprehensive control device with control valves and an actuator.
Von der bekannten Lösung abgesehen, ist bekannt den Wasser-Abstreifer in einem verformbaren Halteblech anzuordnen und das Halteblech mittels mehrerer Vorspannschrauben gegen die Walzenoberfläche anzustellen. Die Voreinstellung muss an den Walzensätzen außerhalb des Walzgerüstes vorgenommen werden.Apart from the known solution, it is known to arrange the water scraper in a deformable retaining plate and employ the holding plate by means of several biasing screws against the roll surface. The presetting must be made on the sets of rolls outside the mill stand.
Eine solche Voreinstellung ist notwendig, weil sich der Abstand der Wasser-Abstreifer zur Walzenoberfläche abhängig von den einzelnen unterschiedlichen Walzendurchmessern, die z.B. durch Nachschleifen entstehen, ändert.Such a presetting is necessary because the distance of the water scrapers to the roll surface depends on the individual different roll diameters, e.g. caused by regrinding, changes.
Die Nachteile dieser Ausführung sind ferner, dass ein einwandfreies Abdichten nur mit sehr viel Einstellungsgefühl des Instandhaltungspersonals gewährleistet ist. Beim Drehen der Walzen unterliegt der Wasser-Abstreifer einem Reibungsverschleiß, der die Vorspannung während der Einsatzzeit aufbraucht. Bei Walzgerüsten, deren Arbeitswalzen über einen längeren Zeitraum (mehr als 1 Tag) im Walzgerüst genutzt werden, ist zu einem bestimmten Zeitpunkt die gesamte Vorspannung aufgebraucht und damit die Dichtwirkung des Wasser-Abstreifers auf einen Bruchteil der ursprünglichen Dichtwirkung herabgesetzt.The disadvantages of this design are further that a perfect sealing is guaranteed only with a great deal of adjustment feeling of the maintenance personnel. As the rollers rotate, the water wiper suffers frictional wear that consumes the preload during service life. In rolling mills whose work rolls are used over a longer period of time (more than 1 day) in the rolling stand, the entire bias voltage is used up at a certain time and thus reduces the sealing effect of the water scraper to a fraction of the original sealing effect.
Aus der GB - A 750154 ist eine mit einem Wasser-Abstreifer vergleichbare Verbesserung eines Walzgerüstes zum Kaltwalzen von Blechen oder Bändern bekannt, mit zwischen den Arbeitswalzen-Einbaustücken angeordneten, der oberen Arbeitswalze zugeordnetem Walzbalken am Walzenumfang und eine am Walzbalken befestigte Einrichtung zum Schmiermittel-Auftragen auf den oberen, mittleren und unteren Walzenumfang, die von außen durch Verstellmittel gegen die Walzoberfläche anstellbar ist. Die Zuführung des Schmiermittels erfolgt jedoch anders als bei Wasser-Zuführung aus einem getrennten Öl-Behälter und eine befürchtete Abwanderung des Öls wird durch zweifache Dichtstreifen verhindert. Daraus ergeben sich erheblich veränderte Bedingungen für das Öl-Auftragen gegenüber dem Wasser-Abstreifen.GB-A 750154 discloses an improvement of a rolling stand for cold rolling of sheets or strips, comparable to a water scraper, with rolling bars arranged on the roll circumference between the work roll chocks and the upper work roll and a means for applying lubricant applied to the roll bar on the upper, middle and lower roller circumference, which can be adjusted from the outside by adjusting against the rolling surface. However, the supply of the lubricant takes place differently than with water supply from a separate oil container and a feared migration of the oil is prevented by two sealing strips. This results in significantly changed conditions for oil application over water stripping.
Der Erfindung liegt die Aufgabe zugrunde, bei einer geringstmöglichen Teilezahl eine einfache Wasser-Abstreifervorrichtung zu schaffen, die kompakt baut , auf kleinstem Raum untergebracht werden kann und den Abstreiferverschleiss minimiert.The invention has for its object to provide a simple water scraper device with a smallest possible number of parts, which is compact, can be accommodated in a small space and minimizes the Abstreiferverschleiss.
Die gestellte Aufgabe wird erfindungsgemäß dadurch gelöst, dass der mit Profilquerschnitt ausgebildete Wasser-Abstreifer in einer Tragleiste geführt ist, dass im Wasser-Abstreifer ein in Erstreckung der Tragleiste verlaufender Hohlraum gebildet ist und dass der Hohlraum mit Druckluft beaufschlagbar ist, dass der Wasser-abstreifer auf der Rückseite eine Hohlkehle bildet, dass der Druck der Druckluft im Hohlraum auf einen Anpressdruck des Wasserabstreifers an dem Walzenumfang einstellbar ist und das der Druck der Druckluft unabhängig vom Reibverschluss der Dichtlippe des Wasser-Abstreifers eingestellt ist. Dadurch wird der Wasser-Abstreifer auf voller Länge durch den Mediendruck beaufschlagt, so dass eine Aufpresslinie entsteht und dadurch sogar eine Formwalze abgestreift werden kann. Der Anpressdruck kann unabhängig vom Reibverschleiß aufrechterhalten werden. Eine sehr genaue Einstellung der Tragleiste entfällt. Außerdem ist eine Mindestanzahl von Teilen erforderlich. Die Hohlkehle ist deshalb vorteilhaft , weil sie nach vorne in Richtung auf den Walzenumfang durch den Kolben selbst eine Dichtung erzeugt, so dass ein Ausströmen der Druckluft im Sinn einer Dichtwirkung nicht stattfindet. Aufgrund der Unabhängigkeit des Druckes der Druckluft vom Reibverschleiss der Dichtlippe des Wasser-Abstreifers können konstante Erfahrungswerte gesammelt werden.The stated object is achieved in that the formed with profile cross section water scraper is guided in a support bar that in the water scraper extending in the extension of the support bar cavity is formed and that the cavity can be acted upon with compressed air that the water scraper forms a groove on the back, that the pressure of the compressed air in the cavity is adjustable to a contact pressure of the Wasserabstreifers on the roll circumference and that the pressure of the compressed air is set independently of the friction seal of the sealing lip of the water scraper. As a result, the water scraper is acted upon in full length by the media pressure, so that a Aufpresslinie arises and thereby even a molding roll can be stripped off. The contact pressure can be maintained independently of the fretting wear. A very accurate adjustment of the support bar is eliminated. In addition, a minimum number of parts is required. The groove is advantageous because it generates a seal towards the front in the direction of the roll circumference by the piston itself, so that a discharge of the compressed air in the sense of a sealing effect does not take place. Due to the independence of the pressure of the compressed air from the fretting wear of the sealing lip of the water scraper, constant experience can be gained.
Die Länge der Tragleiste kann derart vorteilhaft ausgenutzt werden , dass der Wasser-Abstreifer elastisch ist und in einem Schlitz der Tragleiste geführt ist. Somit ist auch die Montage einfach und zeitsparend.The length of the support bar can be exploited so advantageous that the water scraper is elastic and is guided in a slot of the support bar. Thus, the assembly is easy and time-saving.
Die Tragleiste ist dauerhaft mit dem Walzbalken verbunden und bedarf somit nur einfacher Befestigungsmittel.The support bar is permanently connected to the rolling beam and thus requires only simple fastening means.
Die Befestigung in Betriebslage kann dabei derart erfolgen, dass die Tragleiste auf einer Einbaufläche, die parallel zur Walzenachse verläuft, lösbar befestigt ist.The attachment to the operating position can be carried out such that the support bar on a mounting surface which is parallel to the roll axis, releasably secured.
Eine Kolben-Zylinder- Anordnung entsteht ferner dadurch, dass der Hohlraum auf der Rückseite des Wasser-Abstreifers angeordnet ist. Das Druckmedium stellt den als Kolben dienenden Abstreifer immer in eine gewünschte Reibposition.A piston-cylinder arrangement is further formed by the fact that the cavity is arranged on the back of the water scraper. The pressure medium always sets the scraper serving as a piston in a desired rubbing position.
Nach weiteren Merkmalen ist der Wasser-Abstreifer aus Gummi oder einer Gummimischung hergestellt.In other features, the water wiper is made of rubber or a rubber compound.
Die Druckmedium-Versorgung kann auf verschiedene Arten erfolgen. Eine besonders einfache und wirtschaftliche besteht darin, dass der Hohlraum an das Werks-Druckluftnetz anschließbar ist.The pressure medium supply can be done in various ways. A particularly simple and economical is that the cavity can be connected to the factory compressed air network.
In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt und wird nachfolgend näher erläutert.In the drawing, an embodiment of the invention is shown and will be explained in more detail below.
Es zeigen:
- Fig. 1
- eine Ansicht von oben auf eine Walze mit Arbeitswalzen-Einbaustücken,
- Fig.2
- einen Querschnitt durch Fig. 1 für unterschiedliche Walzendurchmesser,
- Fig. 2A
- eine Einzelheit "A" aus Fig. 2 und
- Fig. 2B
- eine Einzelheit "B" aus Fig. 2.
- Fig. 1
- a view from above of a roller with work roll chocks,
- Fig.2
- a cross section through FIG. 1 for different roller diameters,
- Fig. 2A
- a detail "A" of Fig. 2 and
- Fig. 2B
- a detail "B" of Fig. 2.
Ein Walzgerüst der Bauart mit Stütz- und / oder Arbeitswalzen 1 zum Walzen von Blechen oder Bändern aus Stahl, weist einen zwischen den Arbeitswalzen-Einbaustücken 2 angeordneten Walzbalken 3 auf, der am unteren Walzenumfang 3a einen Wasser-Abstreifer 4 trägt, der am Walzbalken 3 befestigt ist. Der Wasser-Abstreifer 4 ist durch Verstellmittel 5 gegen die Walzenoberfläche, d.h. gegen den unteren Walzenumfang 3a anstellbar.A roll stand of the type with support and / or work rolls 1 for rolling sheets or strips of steel, has a
Der Wasser-Abstreifer 4 ist mit einem Profilquerschnitt 4a versehen und ist in einer Tragleiste 6 geführt. Die Tragleiste 6 besitzt hierzu einen Schlitz 8, in den der elastische Wasser-Abstreifer 4 mit seiner vollen Länge (in einem Fall 4.020 mm) eingeführt ist. Im Wasser-Abstreifer 4 ist ein in der Erstreckung der Tragleiste 6 verlaufender Hohlraum 7 vorhanden, der an ein Druckmedium angeschlossen ist. Die Tragleiste 6 ist mit dem Walzbalken 3 verbunden. Hierzu sitzt die Tragleiste 6 auf einer Einbaufläche 9, die parallel zur Walzenachse verläuft und auf dem Walzbalken 3 vorbereitet ist.The
In Fig. 2 sind die Verstellmittel 5 für einen halbseitig kleineren Walzendurchmesser (links) und für einen halbseitig größeren Walzendurchmesser (rechts) gezeigt. In einer Vergrößerung der Einzelheit "A" ist in Fig. 2A auf dem Walzbalken 3 die Tragleiste 6 mittels Schrauben 10 befestigt, die durch ein Langloch geführt sind, das von oben mit Abdeckungen versehen sein kann.FIG. 2 shows the adjusting means 5 for a half-side smaller roll diameter (left) and for a half-side larger roll diameter (right). In an enlargement of the detail "A" is in Fig. 2A on the
In einer anderen Vergrößerung der Einzelheit "B" ist in Fig. 2B die Zuführung des Druckmediums mittels eines Druckluftanschlusses 7a in eine Hohlkehle 4c an der Rückseite 4b gezeigt, wobei der Profilquerschnitt 4a am Ende mit der Dichtlippe 4d endet, in deren Hohlkehle 4c das Druckmedium eingeleitet wird. Wie in Fig. 1 gezeigt ist, erfordert diese Bauweise nur einen Druckluftanschluss 7a pro Walzbalken-Seite.In another enlargement of the detail "B" is shown in Fig. 2B, the supply of the pressure medium by means of a
- 11
- Stütz-/ ArbeitswalzeSupport / Stripper
- 22
- Arbeitswalzen-EinbaustückWork roll chock
- 33
- Walzbalkenroll beam
- 3a3a
- Walzenumfangroll circumference
- 44
- Wasser-AbstreiferWater-Scraper
- 4a4a
- ProfilquerschnittProfile cross section
- 4b4b
- Rückseiteback
- 4c4c
- Hohlkehlefillet
- 4d4d
- Dichtlippesealing lip
- 55
- Verstellmitteladjustment
- 66
- Tragleistesupporting strip
- 77
- Hohlraumcavity
- 7a7a
- DruckluftanschlussCompressed air connection
- 88th
- Schlitzslot
- 99
- Einbauflächemounting surface
- 1010
- Schraubescrew
Claims (7)
- Roll stand with backing and/or working rolls (1) for rolling plates or strips, with rest bars (3), which are arranged between the working roll chocks (2) and associated with the upper roll, at the lower roll circumference (3a) and a water stripper (4), which is fastened to the rest bar (3) and which is adjustable from outside against the roll surface by adjusting means (5), characterised in that the water stripper (4), which is constructed with a profiled cross-section (4a), is guided in a carrier strip (6), that a cavity (7) extending in length direction of the carrier strip (6) is formed in the water stripper (4) and that the cavity (7) can be acted on by compressed air, that the water stripper (4) forms a flute (4c) on the rear side (4b), that the pressure of the compressed air in the cavity (7) is adjustable to a pressing pressure of the water stripper (4) against the roll circumference (3a) and that the pressure of the compressed air is set independently of the friction wear of the sealing lip (4d) of the water stripper (4).
- Roll stand according to claim 1, characterised in that the water stripper (4) is resilient and is guided in a slot (8) of the carrier strip (6).
- Roll stand according to one of claims 1 and 2, characterised in that the carrier strip (6) is connected with the rest bar (3).
- Roll stand according to one of claims 1 to 3, characterised in that the carrier strip (6) is detachably fastened on a mounting surface (9) extending parallel to the roll axis.
- Roll stand according to one of claims 1 to 4, characterised in that the cavity (7) is arranged on the rear side (4b) of the water stripper (4).
- Roll stand according to one of claims 1 to 5, characterised in that the water stripper (4) is made of rubber or a rubber mixture.
- Roll stand according to one of claims 1 to 6, characterised in that the cavity (7) is connectible with the mill compressed air mains.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10049032 | 2000-10-04 | ||
| DE10049032A DE10049032A1 (en) | 2000-10-04 | 2000-10-04 | Roll stand with support and / or work rolls for rolling sheets or strips |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1195204A2 EP1195204A2 (en) | 2002-04-10 |
| EP1195204A3 EP1195204A3 (en) | 2004-05-06 |
| EP1195204B1 true EP1195204B1 (en) | 2006-04-19 |
Family
ID=7658587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01121593A Expired - Lifetime EP1195204B1 (en) | 2000-10-04 | 2001-09-11 | Rolling stand with back-up and/or work rolls for rolling sheets or strips |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1195204B1 (en) |
| AT (1) | ATE323560T1 (en) |
| DE (2) | DE10049032A1 (en) |
| ES (1) | ES2259304T3 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006049161A1 (en) | 2006-10-18 | 2008-04-24 | Sms Demag Ag | Roll stand with support and / or work rolls for rolling sheets or strips |
| EP3284545A1 (en) | 2016-08-18 | 2018-02-21 | Primetals Technologies Austria GmbH | Scraper device for a rolling stand |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB750154A (en) * | 1953-03-16 | 1956-06-13 | Samuel Osborn & Company Ltd | Improvements in or relating to rolling mills for cold-rolling of metal sheet or strip |
| SU772623A1 (en) * | 1978-11-09 | 1980-10-23 | Ждановский металлургический институт | Apparatus for applying technological lubricant on rolling mill rolls |
| JPH0225206A (en) * | 1988-07-11 | 1990-01-26 | Kawasaki Steel Corp | Cooling device for rolling roll |
| AU701197B2 (en) * | 1995-02-09 | 1999-01-21 | Kawasaki Steel Corporation | Water wiping device for rolling mill roll |
| BE1011138A6 (en) * | 1997-04-30 | 1999-05-04 | Travhydro Plastics Et Isolants | Device for rolling cleaner. |
-
2000
- 2000-10-04 DE DE10049032A patent/DE10049032A1/en not_active Withdrawn
-
2001
- 2001-09-11 DE DE50109537T patent/DE50109537D1/en not_active Expired - Lifetime
- 2001-09-11 AT AT01121593T patent/ATE323560T1/en active
- 2001-09-11 EP EP01121593A patent/EP1195204B1/en not_active Expired - Lifetime
- 2001-09-11 ES ES01121593T patent/ES2259304T3/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE10049032A1 (en) | 2002-05-02 |
| ATE323560T1 (en) | 2006-05-15 |
| DE50109537D1 (en) | 2006-05-24 |
| EP1195204A2 (en) | 2002-04-10 |
| ES2259304T3 (en) | 2006-10-01 |
| EP1195204A3 (en) | 2004-05-06 |
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