EP3664944A1 - Device and method for producing a hot-rolled strip - Google Patents
Device and method for producing a hot-rolled stripInfo
- Publication number
- EP3664944A1 EP3664944A1 EP18749766.4A EP18749766A EP3664944A1 EP 3664944 A1 EP3664944 A1 EP 3664944A1 EP 18749766 A EP18749766 A EP 18749766A EP 3664944 A1 EP3664944 A1 EP 3664944A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hot strip
- hot
- drive means
- conveying direction
- upper roller
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 18
- 238000001816 cooling Methods 0.000 claims abstract description 59
- 238000005098 hot rolling Methods 0.000 claims abstract description 40
- 238000005096 rolling process Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0218—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for strips, sheets, or plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B2015/0057—Coiling the rolled product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2265/00—Forming parameters
- B21B2265/02—Tension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
- B21B37/76—Cooling control on the run-out table
-
- 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
- B21B39/006—Pinch roll sets
-
- 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
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
- B21B39/08—Braking or tensioning arrangements
-
- 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
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
- B21B39/10—Arrangement or installation of feeding rollers in rolling stands
-
- 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
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
- B21B39/12—Arrangement or installation of roller tables in relation to a roll stand
Definitions
- the present invention relates to an apparatus for producing a hot strip having a hot rolling apparatus for rolling a hot strip, a reel for coiling the hot strip rolled in the hot rolling apparatus, and a cooling section arranged between the hot rolling apparatus and the reel for cooling the hot strip which has an outfeed roller table for conveying of the hot strip in a conveying direction, wherein the cooling section has at least one belt drive device, via which a tensile stress in the conveying direction can be applied to the hot strip.
- the invention relates to a method for producing a hot strip, wherein a hot strip is rolled in a hot rolling device and is reeled on a reel, wherein the rolled hot strip is cooled by means disposed between the hot rolling device and the reel cooling section, wherein the cooling section has a discharge roller table, which conveys the hot strip in a conveying direction, wherein the cooling section has at least one belt drive device, via which a tensile stress in the conveying direction can be applied to the hot strip.
- the cooling section of this device comprises a plurality of belt drive means, each formed of two counter-rotating rollers.
- the hot strip is guided through a gap between the two rollers of the belt drive means and thereby applied a tensile stress on the hot strip, so that the hot strip is pulled in the conveying direction.
- unevenness in the cooled hot strip can be suppressed and the mechanical properties of the cooled hot strip can be improved.
- WO 201 1/095 265 A2 also describes an apparatus for producing a hot strip with a cooling section, which has one or more strip drive devices in the form of pairs of rolls.
- the object of the present invention is to enable the production of different hot strip qualities with reduced effort.
- an apparatus for producing a hot strip of the aforementioned type wherein the cooling section has a position setting for adjusting a position of the tape drive means in a direction parallel to the conveying direction of the hot strip.
- the position adjustment means By the position adjustment means, the position of the tape drive means in a direction parallel to the conveying direction of the hot strip, in particular continuously, can be adjusted. It is therefore possible to adjust the position of the belt drive device depending on the desired quality of the hot strip to be produced, for example, depending on the material, the quality, the thickness, the width, a cooling strategy or a speed of the hot strip in the conveying direction.
- Positionseinstell Rosacea issued the position of the tape drive means can be changed within a short changeover, so that the conversion of the apparatus for producing a hot strip with different quality with little effort is possible.
- the hot rolling device is designed as a hot strip finishing line.
- a heated rolled stock for example a heated slab, can be rolled into a strip of predetermined thickness via a hot strip finishing line.
- the outlet roller table of the cooling section preferably has a plurality of sub-rollers, which are arranged spaced apart in the conveying direction, so that the rolled hot strip emerging from the hot rolling device can roll on the lower rollers of the outlet roller table.
- the sub-rollers are preferably arranged below the hot-rolled strip. As a rule, the lower rollers are driven. Alternatively, the sub-rollers can not be driven.
- the cooling section has a plurality of belt drive devices and the position adjustment device is set up in such a way that the position of these several belt dantriebs wornen can be set in a direction parallel to the conveying direction of the hot strip.
- the position adjusting device comprises a guide device for guiding the at least one belt drive device, which is arranged parallel to the conveying direction of the hot strip.
- the guide device is particularly preferably designed as a linear guide device.
- the guide device has at least one rail.
- the rail may cooperate with one or more guide counterparts disposed on the belt drive means, such as one or more sliders or wheels. It is particularly advantageous if the guide device has two rails, whereby the risk of undesired tilting of the belt drive device transversely, in particular perpendicular, to the conveying direction can be reduced.
- the tape drive device can be fixed in any position along the guide device relative to the guide device.
- a locking device may be provided on the belt drive device which is in a locking position in contact with the guide device, in particular with a locking element of the guide device, and is released in a release position of the guide device.
- the tape drive device may comprise a locking device, via which a movable element of the tape drive device, for example a wheel of the tape drive device, can be fixed.
- the outlet roller table on several sub-rollers which are arranged spaced from each other along the conveying direction, and the tape drive means has a, in particular exactly one, upper roller, which in an operating position, in which by the upper roller a tensile stress on the hot strip can be applied, is arranged above a lower roller.
- the upper roller of the belt drive device can form a roller pair in its operating position together with a lower roller of the outlet roller.
- Gap Between the upper roll and the lower roll is preferred Gap arranged through which the hot strip can be conveyed while a tensile stress in the conveying direction is applied to the hot strip, so that the hot strip is drawn in a region between the hot rolling device and the belt drive device in the conveying direction and in a region between the belt drive device and Reel is pushed in the conveying direction.
- the top roller can be pivoted from the operating position into a transport position in which the top roller is not in contact with the hot strip in order to allow a change in the position of the belt drive device.
- the belt drive device In the transport position, the belt drive device can be moved by means of the position adjustment in a different position along the cooling section.
- the belt drive device may have an actuator, in particular a hydraulic cylinder.
- the upper roller is pivotable about a pivot axis which is arranged parallel to the conveying direction. This makes it possible to pivot the upper roller in a pivot plane, which is arranged perpendicular to the conveying direction.
- the upper roller from the operating position can be moved linearly into a transport position, in which the upper roller is not in contact with the hot strip, to allow a change in the position of the belt drive means.
- the tape drive means has a Abstandseinstell noticed for adjusting the distance of the upper roller of the lower roller in the operating position.
- the distance of the top roll from the bottom roll can be adjusted such that the hot strip is not rolled by the top roll and the bottom roll but the rolls abut the hot strip to transfer the tensile force to the hot strip.
- the distance of the top roll from the bottom roll may preferably be set to be substantially equal to the thickness of the hot strip.
- the distance adjusting device may have one, preferably two, actuators, for example hydraulic cylinders.
- the belt drive means comprises a centering device for centering the hot strip to a gap between the upper roller and the lower roller in the operating position.
- the centering device is particularly preferably designed as a guide plate.
- the guide Sheet may be disposed on the side of the belt drive device facing the hot rolling device.
- the guide plate is arranged obliquely with respect to the conveying direction, particularly preferably such that it encloses an angle in the range of 30 ° to 60 ° with the conveying direction.
- the belt drive device has a relative to the guide device movable carriage, wherein the upper roller relative to the carriage is pivotable, in particular about a pivot axis which is arranged parallel to the conveying direction of the hot strip.
- the carriage can be moved to adjust the position of the tape drive along the guide device.
- the upper roller is pivotable relative to the carriage, so that it can be pivoted from an operating position in which the upper roller is disposed above a lower roller parallel to the lower roller in a transport position in which the upper roller is arranged obliquely to the lower roller and a greater distance to the lower role than in the operating position.
- an actuator for pivoting the upper roller is arranged on the carriage.
- the belt drive device has a rotary drive arranged on the carriage for rotating the upper roller, in particular for rotating the upper roller about an axis of rotation which is arranged transversely, in particular perpendicular, to the conveying direction of the hot strip.
- the rotary drive can be an electric drive or purely hydraulic drive.
- the rotary drive can generate all the torque required to apply the tension to the hot strip.
- the belt drive device has a universal joint for coupling the rotary drive to the upper roller. Via the universal joint, a torque of the rotary drive can be transmitted independently of the pivot position of the upper roller on the upper roller.
- a method for producing a hot strip wherein a hot strip is rolled in a hot rolling and is reeled on a reel, wherein the rolled hot strip is cooled by means disposed between the hot rolling device and the reel cooling section, wherein the Cooling section has a discharge roller table, which promotes the hot strip in a conveying direction, wherein the cooling section has at least one belt drive means via which a tensile stress in the conveying direction on the hot strip can be applied, wherein by means of a position setting the cooling section, the position of Bandan- Drive device is set in a direction parallel to the conveying direction of the hot strip.
- the position of the tape drive means is adjusted by means of the position adjustment, while there is no hot strip in the region of the cooling section.
- the cooling line can be converted between the production of a first hot strip quality and a second hot strip quality by changing the position of one or more belt drive devices.
- the position of the belt drive device is adjusted by means of the position adjustment device, while a hot strip is located in the region of the cooling section.
- a hot strip is located in the region of the cooling section.
- the position of the tape drive means may be adjusted by means of the position adjusting means so as to move with the initial portion or the end portion of the hot strip.
- the advantageous features and configurations which have been described in connection with the device for producing a hot strip can also be used.
- FIG. 1 shows a first embodiment of an apparatus for producing a hot strip according to the invention in a schematic sectional view.
- FIG. 2 shows a second embodiment of an apparatus for producing a hot strip according to the invention in a perspective view.
- FIG. 3 shows a belt drive device of the device according to FIG. 2, which assumes a transport position, in a sectional representation.
- FIG. 4 shows the tape drive device according to FIG. 3 in a perspective view.
- FIG. 5 shows a belt drive device of the device according to FIG. 2, which assumes an intermediate position, in a sectional representation.
- FIG. 6 shows the tape drive device according to FIG. 5 in a perspective view.
- FIG. 7 shows a belt drive device of the device according to FIG. 2, which assumes an operating position, in a sectional representation.
- FIG. 8 shows the tape drive device according to FIG. 7 in a perspective view.
- FIG. 1 shows a schematic illustration of a device 1 for producing a hot strip 2.
- the hot strip 2 is a steel strip.
- the apparatus 1 comprises a hot rolling device 3 for rolling a hot strip 2, which comprises one or more hot rolling stands.
- the hot rolling device 3 may be designed as a hot strip finishing line.
- Another component of the device 1 is a reel 4, via which the hot strip 2 rolled in the hot rolling device 3 can be wound up into a strip steel roll, which is also referred to as a coil.
- the cooling section 5 has an outlet roller table 6 with a plurality of rotatable lower rollers 1 1.
- the outfeed roller table 6 can convey the hot strip 2 emerging from the hot rolling device 3 in a conveying direction F to the reel 4.
- the cooling section 5 further comprises at least one, here two belt drive means 7, via which a tensile stress in the conveying direction F can be applied to the hot strip 2.
- Another component of the cooling section 5 is a position adjustment device 8, via which the position of the belt drive means 7 in a direction parallel to the conveying direction F of the hot strip 2 can be adjusted.
- the position adjusting means 8 By means of the position adjusting means 8, it becomes possible to adjust the position of the belt driving means 8 depending on the desired quality of the hot strip 2 to be produced. The conversion of the device 1 for producing a hot strip 2 with different quality is therefore possible with little effort.
- FIG. 2 shows a second embodiment of a device 1 for producing a hot strip 2, which has a hot rolling device 3 for rolling a hot strip 2 and a reel 4 for coiling the hot strip 2.
- a hot rolling device 3 for rolling a hot strip 2 has a hot rolling device 3 for rolling a hot strip 2 and a reel 4 for coiling the hot strip 2.
- two hot rolling stands 21 are shown in FIG.
- the hot rolling device 2 may alternatively have a different number of hot rolling stands 21, in particular one, three, four or five.
- a cooling section 5 for cooling the hot strip 2 is arranged between the hot rolling device 3 and the reel 4, a cooling section 5 for cooling the hot strip 2 is arranged. Furthermore, a first measuring device 22 is provided between the hot rolling device 3 and the cooling section 5, via which one or more properties of the hot strip 2 can be measured, for example the thickness and / or the speed of the hot strip 2. A second measuring device 23 is located between the cooling section 5 and the reel 4 and also allows the measurement of one or more properties of the hot strip 2, for example, the thickness and / or the speed of the hot strip 2.
- the cooling section 5 has an outlet roller table 6, via which the hot strip 2 emerging from the hot rolling device 3 is conveyed in a conveying direction F to the reel 4.
- the outlet roller table 6 has a plurality of sub-rollers spaced apart in the conveying direction.
- the cooling section 5 has a belt drive device 7, which can apply a tensile stress in the conveying direction F to the hot strip 2.
- the position of the tape driving device 7 in a direction parallel to the conveying direction F of the hot strip 2 can be adjusted by means of a position adjusting device 8.
- the position adjusting device 8 has a guide device 9 which is parallel to the conveying direction. tion F of the hot strip 2 is arranged and in which the belt drive means 7 is guided.
- the guide device 9 has two rails 10 arranged in parallel.
- the rails 10 of the guide device 9 are mounted on a floor B.
- the belt drive device 7 can be fixed in any position along the guide device 9 relative to the guide device 9.
- a belt drive device 7 is shown together with a part of the outfeed roller table 6 and the position adjusting device 8.
- the belt drive device 7 has an upper roller 12, which is in a transport position, in which the upper roller 12 is pivoted relative to the lower rollers 1 1 of the outlet roller conveyor 6, that it is not in contact with the hot strip 2.
- a first axis of rotation D1 of the upper roller is arranged at an angle to a second axis of rotation D2 of a lower roller 11. In the transport position, therefore, a change in the position of the belt drive device 7 is possible.
- the tape drive device 7 has a carriage 15 which is movable relative to the guide device 9.
- the upper roller 12 is rotatably mounted in a frame 18.
- the frame 18 and thus also the upper roller is pivotable relative to the carriage 15 about a pivot axis S, which is parallel to the conveying direction F of the hot strip 2.
- an actuator 19 is provided on the carriage 15, in particular on the carriage 15, which is designed as a linear actuator, in particular as a hydraulic cylinder. Via the actuator 19, the upper roller 12 can be pivoted, for example, between the transport position and an operating position shown in FIGS. 7 and 8 or one in FIGS. 5 and 6.
- the drive of the upper roller 12 is effected by a arranged on the carriage 15 rotary drive 16.
- the rotary drive 16 is formed as an electric or hydraulic rotary drive.
- the belt drive device 7 has a universal joint 17, via which the rotary drive 16 is coupled to the upper roller 12, wherein the first axis of rotation D1 of the upper roller 12 can be pivoted relative to a drive axis A of the rotary drive 16.
- the tape drive means 7 of the device 1 is shown, wherein the upper roller 12 is in a pivoted in the direction of the lower roller 1 1 intermediate position. In the intermediate position, the upper roller 12 is arranged parallel to the lower roller 1 1, which means that the first axis of rotation D1 of the upper roller 12 is parallel to the second axis of rotation D2 of the lower roller 1 1.
- the tape drive device 7 further comprises a Abstandseinstell listening 13 for adjusting the distance of the upper roller 12 of the lower roller 1 1.
- the Abstandseinstell listening 13 has, according to the embodiment of two actuators, which may be formed, for example, as a hydraulic cylinder.
- the upper roller 12 can be moved linearly in a direction perpendicular to the conveying direction F, in particular in the vertical direction.
- FIG. 7 and 8 An operating position of the upper roller 12 is shown in Figures 7 and 8.
- a lower roller 1 1 of the outlet roller conveyor 6 and the upper roller 12 on the hot strip 2 in order to transmit the tensile force on the hot strip 2.
- the distance of the upper roller 12 from the lower roller 1 1 is preferably set to be substantially equal to the thickness of the hot strip 2.
- the upper roller 12 and the lower roller 1 1 rotate in opposite directions about parallel axes of rotation D1, D2.
- the belt drive device 7 further comprises a centering device 14 in the form of a guide plate for centering the hot strip 2 on the gap between the upper roller 12 and the lower roller 1 1.
- the centering device 14 is arranged on the frame 18 and is located on the inlet side of the upper roller 12, i. the side of the upper roller 12, which faces the hot rolling device 3.
- a method for producing a hot strip 2 can be performed, wherein the hot strip 2 is rolled in the hot rolling apparatus 3 and reeled on the reel 4.
- the rolled hot strip 2 is cooled by means of the arranged between the hot rolling device 3 and the reel 4 cooling section 5, which has a discharge roller table 6, which promotes the hot strip 2 in the conveying direction F.
- the cooling section 5 has at least one belt drive device 7, via which a tensile stress in the conveying direction F can be applied to the hot strip 2.
- the position adjustment device 8 of the cooling section 5 by means of the position adjustment device 8 of the cooling section 5, the position tion of the tape drive device 7 in a direction parallel to the conveying direction F of the hot strip 2 set.
- the setting of the position can be done, for example, depending on the desired quality of the hot strip 2 to be produced, for example, depending on the material, the quality, the thickness, the width of a cooling strategy or a speed of the hot strip in the conveying direction.
- the position of the belt drive device 7 can be adjusted by means of the position adjustment device 8, while no hot strip 2 is located in the region of the cooling section 5.
- the position of the belt drive device 7 can be adjusted by means of the position adjustment device 8, while a hot strip 2 is located in the region of the cooling path 5.
- the upper roller 12 of the tape drive device is first pivoted from the operating position to the transport position, so that no contact between the upper roller 12 and the hot strip 2 is given.
- the position of the belt drive device 7 can be changed so that the belt drive device 12 is moved to a new position.
- the upper roller 12 is pivoted from the transport position to the operating position, in which the upper roller 12 can form a tensile force on the hot strip 2.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017118244.6A DE102017118244A1 (en) | 2017-08-10 | 2017-08-10 | Apparatus and method for producing a hot strip |
PCT/EP2018/070696 WO2019030047A1 (en) | 2017-08-10 | 2018-07-31 | Device and method for producing a hot-rolled strip |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3664944A1 true EP3664944A1 (en) | 2020-06-17 |
EP3664944B1 EP3664944B1 (en) | 2021-09-01 |
Family
ID=63103931
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18749766.4A Not-in-force EP3664944B1 (en) | 2017-08-10 | 2018-07-31 | Device and method for producing a hot-rolled strip |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3664944B1 (en) |
DE (1) | DE102017118244A1 (en) |
WO (1) | WO2019030047A1 (en) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2214527C (en) * | 1996-01-08 | 2000-12-26 | Noriyuki Suzuki | Hot strip rolling mill |
DE19953915A1 (en) * | 1999-11-10 | 2001-07-05 | Thyssenkrupp Stahl Ag | Processing hot strip on path of hot strip mill connected directly to coiler for winding strip, comprises smoothing the still hot strip by mechanical deformation |
EP1210993B2 (en) | 2000-03-01 | 2016-07-06 | JFE Steel Corporation | Device and method for cooling hot rolled steel band and method of manufacturing the hot rolled steel band |
DE10163070A1 (en) * | 2001-12-20 | 2003-07-03 | Sms Demag Ag | Method and device for the controlled straightening and cooling of wide metal strip, in particular steel strip or sheet metal, emerging from a hot strip rolling mill |
CN102548679B (en) * | 2009-10-07 | 2014-11-05 | 新日铁住金株式会社 | Cooling apparatus and cooling method for hot rolling |
EP2353742A1 (en) | 2010-02-05 | 2011-08-10 | Siemens Aktiengesellschaft | Heat rolling train for rolling hot rolled strips, method for operating same to roll hot rolled strips, control and/or regulating device |
-
2017
- 2017-08-10 DE DE102017118244.6A patent/DE102017118244A1/en not_active Withdrawn
-
2018
- 2018-07-31 EP EP18749766.4A patent/EP3664944B1/en not_active Not-in-force
- 2018-07-31 WO PCT/EP2018/070696 patent/WO2019030047A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE102017118244A1 (en) | 2019-02-14 |
EP3664944B1 (en) | 2021-09-01 |
WO2019030047A1 (en) | 2019-02-14 |
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