EP4031304A1 - ZWISCHENGERÜSTFÜHRUNG AN EINEM VERTIKALWALZGERÜST EINER WALZSTRAßE SOWIE VERFAHREN ZUR FÜHRUNG DES WALZGUTES UNTER VERWENDUNG DER ZWISCHENGERÜSTFÜHRUNG - Google Patents
ZWISCHENGERÜSTFÜHRUNG AN EINEM VERTIKALWALZGERÜST EINER WALZSTRAßE SOWIE VERFAHREN ZUR FÜHRUNG DES WALZGUTES UNTER VERWENDUNG DER ZWISCHENGERÜSTFÜHRUNGInfo
- Publication number
- EP4031304A1 EP4031304A1 EP20767493.8A EP20767493A EP4031304A1 EP 4031304 A1 EP4031304 A1 EP 4031304A1 EP 20767493 A EP20767493 A EP 20767493A EP 4031304 A1 EP4031304 A1 EP 4031304A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- guide
- stand
- vertical
- guide element
- rolling
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/14—Guiding, positioning or aligning work
- B21B39/16—Guiding, positioning or aligning work immediately before entering or after leaving the pass
-
- 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
- B21B13/06—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged vertically, e.g. edgers
-
- 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
-
- 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
- B21B2013/021—Twin mills
Definitions
- Interstand guidance on a vertical roll stand of a rolling train as well as a method for guiding the rolling stock using the interstand guidance
- the invention relates to an intermediate stand guide on a vertical roll stand of a rolling train for guiding the rolling stock with at least one guide element which is mounted on the vertical roll stand and is adjustable together with a pitching movement of a vertical roller and which follows the pitching movement of the vertical roller.
- the vertical rolling stands serve to reduce the width of the rolling stock to a required width and / or take on strip guiding tasks, whereas the horizontal rolling stands primarily reduce the thickness of the rolling stock.
- the back of the support of the guide plates is connected to a linear actuator of a mechanically or hydraulically driven displacement device which is fixedly arranged on the bearing body of the vertical roller.
- the guide plates assigned to the two vertical rolls are brought into the positions corresponding to the width of the rolling stock to be rolled with the help of an adjusting key and guide this as it enters the roll gap and then as it passes through.
- the prescribed solution has the disadvantage that the guide plates can only be adjusted by deploying personnel in the machine.
- the guide plates known from EP 1 434658 B1 only form a lateral guide for the rolling stock. The tilting moments transmitted by the rolling stock can only be absorbed to a limited extent.
- the invention is based on the object of providing an intermediate stand guide of the type mentioned at the beginning, which is improved in this respect.
- the invention is based in particular on the object of providing an intermediate stand guide which enables simple, robust and versatile guidance of the rolling stock and which in particular enables reliable adjustment of the offset outside the machine or outside the vertical and / or horizontal rolling stand.
- the object is achieved with the features of claim 1.
- Advantageous embodiments of the invention emerge from the subclaims.
- an intermediate stand guide is provided on a vertical roll stand of a rolling train for guiding the rolling stock into a downstream horizontal roll stand and / or from an upstream horizontal roll stand, which comprises at least one guide element that is mounted on the vertical roll stand and that together with an adjustment movement of one of these associated vertical roller is adjustable and which follows the pitch movement of the vertical roller, the guide element being set back or set back transversely to the rolling direction by a predetermined offset to the edge of the vertical roller in engagement with the rolling stock, the guide element being connected to a cross member of the vertical rolling stand and the amount of offset can be specified, inter alia, via an installation distance between the vertical roll and the crossbeam of the vertical roll stand.
- the permissible offset can be between 0 to 100 mm, preferably between 10 to 80 mm, preferably between 15 to 70 mm and particularly preferably between 20 to 60 mm.
- the guide element has an inlet slope. This prevents the rolling stock from accidentally hitting an edge and possibly getting stuck there.
- the guide element of the intermediate stand guide according to the invention can be provided, for example, for guiding the rolling stock out of or into a horizontal rolling stand. At least one horizontal rolling stand can be connected upstream and / or downstream of the vertical rolling stand.
- At least two guide elements are expediently provided, each guide element being set back with respect to a vertical roller by the predetermined offset and in each case following the adjustment movement of the associated vertical roller.
- At least one guide element can be arranged in front of and / or behind a vertical roller in relation to the rolling direction.
- the rolling stock is guided in and against the rolling direction if, for example, the vertical rolling stand is arranged between two horizontal rolling stands.
- the vertical roll stand can be provided both for reducing the width and for guiding the rolling stock, as well as exclusively for guiding the rolling stock.
- the guide elements can be designed as angled guide bodies.
- the installation distance of the vertical roller relative to the guide element can be predetermined by means of one or more compensating plates of a predetermined thickness.
- the compensation plates can either be made to measure for the respective application or are available in appropriate increments.
- the pitching movement of the vertical rolls is preferably brought about via at least one pitching device, for example in the form of a pitching cylinder which acts on the cross member of the vertical roll stand.
- the traverse of the vertical roll stand in turn acts on chocks of the vertical rolls.
- the vertical rollers are usually mounted in such chocks.
- the adjusting cylinder can act directly on the chocks of the vertical rollers.
- the at least one compensating plate is preferably detachably connected to a chock that receives the vertical roller.
- the adjustment of the offset is usually necessary from time to time due to the wear and tear of the vertical roller.
- the vertical rollers are usually changed at regular intervals in order to rework the diameter of the roller due to the wear that has occurred. If one or more compensation plates with corresponding dimensions or corresponding thickness are connected to the relevant chocks of the vertical roller, it is easily possible to specify the offset dimension with each roll change by correspondingly attached to the chock.
- the at least one compensating plate is then arranged between the cross-member and the chock. As a result, the offset is specified because the guide element in question is connected to the cross member of the vertical rolling stand.
- the guide element is preferably fastened to the cross member with an overload protection device. At least one predetermined breaking point or at least one other flexible attachment of the guide element to the traverse can be provided as overload protection.
- the guide element can, for example, be fastened to the cross member of the relevant vertical rolling stand by means of screws, which are equipped with springs are that break when a predetermined force is reached.
- the screws can be provided with predetermined breaking points.
- the guide element is connected to the traverse of the vertical roll stand via a connecting piece, which is preferably designed as a bolt.
- the latch can be designed, for example, so that locking and unlocking with the traverse is possible, preferably by means of a tool provided for this purpose, so that after unlocking, the vertical roller can be moved independently of the then stationary intermediate stand guide.
- the fixing of the connecting piece relative to the cross member can be designed to be adjustable transversely to the rolling direction, so that in this way a further adjustability of the offset dimension X ' can be provided.
- the connecting piece can be designed as a bolt, several receptacles for the bolt can be provided on the cross member. Alternatively, it can be provided to make the fixing of the bolt in the receptacle changeable by means of spacers, wedges or the like.
- the bolt itself could be wedge-shaped or the overload protection device is changed in position, for example via spacers, or the overload protection device is exchanged for another overload protection device with a position-changed receptacle for the connecting piece.
- the connecting piece can be moved between the guide element and the traverse via a hydraulic actuating element, via which the connecting piece can be locked and unlocked automatically. It can be provided, for example, that the locking process and the unlocking process are monitored and regulated with the aid of sensors. The movement and / or position of the guide element relative to the vertical roller can be monitored and regulated with the aid of sensors.
- the guide element is mounted at least in an upper and / or lower guide bed of a vertical roll stand stand.
- the guide element is preferably slidably mounted in the upper and / or lower guide bed of the vertical roll stand stand so that the guide element with the associated vertical roll can move transversely to the rolling direction.
- the guide element has an upper and / or lower guide, preferably in the form of an upper and / or lower guide stop for the rolling stock.
- This is particularly advantageous for guiding tape ends. This reliably prevents swarming of the strip or the strip ends.
- the guide element can have an L-shaped or C-shaped guide profile.
- the horizontal and vertical guides formed in this way can be designed to be exchangeable or covered with exchangeable wear elements, for example wear plates.
- the guide element is supported on at least one side on a guide table.
- the guide table can be mounted, for example, in a horizontal roll stand stand of the horizontal roll stand.
- the guide element is preferably supported displaceably on the guide table via at least one slide bearing.
- the guide element in the area of the guide table additionally includes a safeguard against lifting.
- the guide element can have at least one removable and thus exchangeable wear plate.
- Another aspect of the invention relates to a method for guiding the rolling stock in a rolling train using an intermediate stand guide with one or more of the features described above, the offset dimension X 'being set via a detected installation distance of the vertical roller or at least one vertical roller to the cross member of the vertical rolling stand becomes.
- the pitch movement of at least one vertical roll of the vertical roll stand can be monitored by sensors in order to set and monitor the position of the vertical roll and / or the guide element.
- the displacement movement of the adjusting device can be monitored, for example, with limit switches, position sensors, pressure sensors or the like.
- the intermediate stand guide according to the invention can have means for detecting the wear on the vertical rolls and / or the guide bodies.
- the sensors are advantageous to integrate the functionality of the intermediate stand guidance into the control processes of the upstream and / or downstream machines or roll stands in order to be able to react to changed process conditions such as a change in the strip speed.
- the wear of the vertical roller and / or the guide profiles is preferably detected by sensors and taken into account when the vertical roller and / or the guide element are adjusted.
- FIG. 1 shows a schematic plan view of parts of a vertical roll stand with an intermediate stand guide according to the invention and a downstream horizontal roll stand, partly in section, and FIG. 1
- FIG. 2 is a side view of the arrangement shown in FIG.
- the figures show part of a rolling mill, which is designed, for example, as a hot strip mill.
- the rolling train comprises at least one vertical rolling stand 1 and a horizontal rolling stand 2 connected downstream in the rolling direction.
- the rolling direction is illustrated in each of the figures by an arrow.
- the vertical rolling stand 1 is used in a known manner to reduce the width of the rolling stock, for example in the form of a metal strip
- the horizontal rolling stand 2 is used in a known manner to reduce the thickness of the rolling stock.
- an intermediate stand guide 3 is provided which is attached to the vertical roll stand 1 and guides the rolled stock on the inlet side of the horizontal roll stand 2.
- the intermediate framework guide 3 comprises two guide elements 4, each on a cross member 5 of the relevant Vertical roll stand 1 are attached.
- the vertical roll stand 1 comprises a vertical roll stand stand 15 and two traverses 5 mounted displaceably in this stand, on each of which a vertical roll 6 is held.
- the vertical rollers 6 are each rotatably and drivably mounted in chocks 7.
- the chocks 7 are each adjustable with an adjusting device 8 towards and away from one another.
- the adjusting devices 8 each comprise at least one adjusting cylinder 9 to which a hydraulic pressure medium can be applied.
- the guide elements 4 are each arranged with respect to the front edge of the vertical rolls 6, which are in engagement with the rolling stock during operation of the rolling train, set back by an offset dimension X ' transversely to the rolling direction. This offset dimension X ' is initially fixed.
- the guide elements 4 are firmly connected to the respective cross member 5 and each follow the movement of the chocks 7 brought about by the adjusting device 8 and thus the infeed movement of the vertical rollers 6.
- the guide elements 4 are each connected with a connecting piece 13 designed as a bolt to the cross members 5 of the vertical roll stand stand.
- An overload protection device 14 is provided in each case in the area of the connection.
- the overload safety device 14 is expediently designed in such a way that it is either deliberately destroyed and / or is so flexible that the energy of the overload is deliberately changed.
- a screw connection with predetermined breaking points or a resiliently flexible screw connection can be provided as overload protection device 14.
- the guide elements 4 are slidably mounted in an upper and lower guide bed 16, 17 of the vertical roll stand 15, which enable the guide elements 4 to be displaced transversely to the rolling direction and to support the guide elements 4 accordingly.
- the upper and lower guide beds 16, 17 absorb the forces and moments that occur when the rolling stock is guided.
- Both the upper and the lower guide bed 16, 17 are provided with appropriate lubrication, preferably with grease lubrication.
- the guide elements 4 each serve to guide the rolling stock laterally into the nip 10 between the horizontal rolls 11 of the horizontal roll stand 2 (see FIG. 2). The lateral guidance of the rolling stock is particularly useful and advantageous for the ends of metal strips.
- the guide elements 4 are each provided with a C-shaped guide profile 12 on their side facing the rolling stock transversely to the rolling direction.
- the guide elements 4 are each supported via at least one slide bearing block 18 on a guide table 19 which is attached to a horizontal roll stand stand 20 of the horizontal roll stand 2.
- the guide table 19 is fastened and supported on the horizontal roll stand stand 20 in such a way that its guide surface is aligned below the upper edge of the lower horizontal roll 11.
- compensating plates 21 are attached to each of the chocks 7, via which the distance X between the traverse 5 and the chock 7 can be fixedly predetermined. Since the guide elements 4 are each preferably firmly connected to the crossbars 5 via the connecting pieces 13, the distance X between the crossbar 5 and the associated chock 7 determines the offset dimension X ' .
- the displacement movement of the relevant vertical roller 6 is brought about on each side of the rolling stock via the adjusting device 8, which in each case acts directly on the associated traverse 5.
- the traverse 5 in turn acts on the chocks 7 in question, which together with the vertical roller 6 form a structural unit.
- the offset dimension X ' would differ from that Change the leading edge of the vertical roller 6 facing the rolling stock to the relevant guide element 4.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019214290 | 2019-09-19 | ||
| DE102020206297.8A DE102020206297A1 (de) | 2019-09-19 | 2020-05-19 | Zwischengerüstführung an einem Vertikalwalzgerüst einer Walzstraße sowie Verfahren zur Führung des Walzgutes unter Verwendung der Zwischengerüstführung |
| PCT/EP2020/074222 WO2021052738A1 (de) | 2019-09-19 | 2020-08-31 | ZWISCHENGERÜSTFÜHRUNG AN EINEM VERTIKALWALZGERÜST EINER WALZSTRAßE SOWIE VERFAHREN ZUR FÜHRUNG DES WALZGUTES UNTER VERWENDUNG DER ZWISCHENGERÜSTFÜHRUNG |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4031304A1 true EP4031304A1 (de) | 2022-07-27 |
| EP4031304B1 EP4031304B1 (de) | 2023-11-08 |
Family
ID=74846272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20767493.8A Active EP4031304B1 (de) | 2019-09-19 | 2020-08-31 | Zwischengerüstführung mit einem vertikalwalzgerüst einer walzstrasse sowie verfahren zur führung des walzgutes unter verwendung der zwischengerüstführung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US12465965B2 (de) |
| EP (1) | EP4031304B1 (de) |
| JP (1) | JP7311705B2 (de) |
| CN (1) | CN114401802B (de) |
| DE (1) | DE102020206297A1 (de) |
| WO (1) | WO2021052738A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023084459A1 (en) | 2021-11-15 | 2023-05-19 | Pfizer Inc. | Methods of treating sars-cov-2 |
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| US2072121A (en) * | 1933-10-21 | 1937-03-02 | Cold Metal Process Co | Method and apparatus for guiding material |
| GB445910A (en) | 1935-06-12 | 1936-04-21 | Cold Metal Process Co | Method of and apparatus for guiding material through metal rolling mills |
| US2962917A (en) * | 1955-08-10 | 1960-12-06 | United States Steel Corp | Rolling mill guides |
| US3132546A (en) * | 1961-04-12 | 1964-05-12 | United States Steel Corp | Intermediate guide for adjacent vertical and horizontal bar-mill stands |
| DE1925284C3 (de) * | 1969-05-17 | 1978-09-28 | Lindauer Dornier-Gesellschaft Mbh, 8990 Lindau | Kluppenkette für Spannkluppen in Spannrahmen |
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| JPS61165218A (ja) * | 1985-01-16 | 1986-07-25 | Ishikawajima Harima Heavy Ind Co Ltd | 圧延機のサイドガイド装置 |
| DE8523750U1 (de) * | 1985-08-19 | 1985-10-10 | Badische Stahl-Engineering GmbH, 7640 Kehl | Rollenführung, insbesondere für Knüppel, Stab- und Drahtwalzgerüste |
| JPS6347001U (de) * | 1986-09-08 | 1988-03-30 | ||
| CN87207777U (zh) * | 1987-05-11 | 1988-03-23 | 北方工业大学 | 三辊同平面万能轧机 |
| DE3838764A1 (de) * | 1988-11-16 | 1990-05-17 | Schloemann Siemag Ag | Vorrichtung zur ein- bzw. ausfuehrung von walzgut, insbesondere formstahl zwischen die walzen von walzgeruesten |
| JPH03234318A (ja) * | 1990-02-13 | 1991-10-18 | Hitachi Ltd | 熱延板先端曲がりの矯正方法および装置 |
| JPH03238102A (ja) * | 1990-02-14 | 1991-10-23 | Ishikawajima Harima Heavy Ind Co Ltd | 圧延方法及びその装置 |
| JPH0790248B2 (ja) * | 1990-04-05 | 1995-10-04 | 川崎製鉄株式会社 | サイドガイド付竪ロール圧延機 |
| JPH0716696B2 (ja) * | 1990-07-27 | 1995-03-01 | 川崎製鉄株式会社 | サイドガイド付竪ロール圧延機のサイドガイド開度制御方法 |
| US5634360A (en) * | 1992-09-21 | 1997-06-03 | Ishikawajima-Harima Heavy Industries Co., Ltd. | Guiding apparatus for roughing mill |
| JPH06126317A (ja) * | 1992-10-22 | 1994-05-10 | Kawasaki Steel Corp | 圧延材のサイドガイド装置 |
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| JP3238102B2 (ja) | 1997-07-04 | 2001-12-10 | 川崎重工業株式会社 | 粘性流体の供給制御装置および方法 |
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| KR20040027089A (ko) * | 2002-09-27 | 2004-04-01 | 주식회사 포스코 | 조질압연용 열연코일의 온도 측정시스템 |
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| AU2009348758B2 (en) * | 2009-06-23 | 2013-08-29 | Sms Siemag Ag | Method and device for processing a slab |
| JP5799455B2 (ja) * | 2009-10-26 | 2015-10-28 | Primetals Technologies Japan株式会社 | サイドガイド装置 |
| CN102363156A (zh) * | 2011-09-21 | 2012-02-29 | 天津市中重科技工程有限公司 | 紧凑型卡盘式万能轧机 |
| CN103240285B (zh) * | 2013-05-16 | 2016-02-10 | 莱芜钢铁集团有限公司 | 一种实现热轧带钢推床自动夹持对中的方法 |
| CN204262051U (zh) * | 2014-11-17 | 2015-04-15 | 一重集团大连设计研究院有限公司 | 全液压下传动式立辊轧机 |
| US9689416B2 (en) * | 2014-12-04 | 2017-06-27 | Classic Connectors, Inc. | Torque limiting set screw |
| CN204523794U (zh) | 2015-01-23 | 2015-08-05 | 北钢管业(营口)有限公司 | 一种组合式入口导板装置 |
| DE102015221762A1 (de) * | 2015-11-05 | 2017-05-11 | Sms Group Gmbh | Vorrichtung zum Anstellen einer Stauchwalze eines Stauchgerüsts |
| TWI664033B (zh) * | 2016-05-13 | 2019-07-01 | 日商新日鐵住金股份有限公司 | 修邊方法及修邊裝置 |
| CN106180216A (zh) * | 2016-07-20 | 2016-12-07 | 合肥天沃能源科技有限公司 | 一种设有耐磨衬板的滑动进口导卫装置 |
| CN106345845B (zh) * | 2016-08-31 | 2017-12-01 | 河南明泰铝业股份有限公司 | 一种铝合金纵剪线废边收卷机 |
| CN206382339U (zh) * | 2016-12-14 | 2017-08-08 | 攀枝花钢城集团有限公司 | 轧机出口导卫固定结构 |
| CN206405181U (zh) * | 2017-01-22 | 2017-08-15 | 西安盛日机电科技有限公司 | 一种组合式滑动导卫 |
| CN108941217A (zh) * | 2018-06-14 | 2018-12-07 | 本钢板材股份有限公司 | 一种轧钢线入口导卫的优化方法 |
| CN109622634B (zh) * | 2018-12-20 | 2023-07-25 | 柳州钢铁股份有限公司 | 板坯热连轧粗轧和精轧对中匹配设备 |
-
2020
- 2020-05-19 DE DE102020206297.8A patent/DE102020206297A1/de not_active Withdrawn
- 2020-08-31 CN CN202080064323.0A patent/CN114401802B/zh active Active
- 2020-08-31 US US17/760,587 patent/US12465965B2/en active Active
- 2020-08-31 WO PCT/EP2020/074222 patent/WO2021052738A1/de not_active Ceased
- 2020-08-31 EP EP20767493.8A patent/EP4031304B1/de active Active
- 2020-08-31 JP JP2022511091A patent/JP7311705B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP4031304B1 (de) | 2023-11-08 |
| US20220339687A1 (en) | 2022-10-27 |
| CN114401802A (zh) | 2022-04-26 |
| CN114401802B (zh) | 2024-02-02 |
| JP2022545246A (ja) | 2022-10-26 |
| US20230093771A2 (en) | 2023-03-23 |
| WO2021052738A1 (de) | 2021-03-25 |
| JP7311705B2 (ja) | 2023-07-19 |
| DE102020206297A1 (de) | 2021-03-25 |
| US12465965B2 (en) | 2025-11-11 |
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