EP3592464A1 - Distribution metering device for a roller mill, roller mill with such a distribution metering device, method for grinding grinding stock, and roller mill comprising a switching cabinet with a cooling system - Google Patents
Distribution metering device for a roller mill, roller mill with such a distribution metering device, method for grinding grinding stock, and roller mill comprising a switching cabinet with a cooling systemInfo
- Publication number
- EP3592464A1 EP3592464A1 EP19725761.1A EP19725761A EP3592464A1 EP 3592464 A1 EP3592464 A1 EP 3592464A1 EP 19725761 A EP19725761 A EP 19725761A EP 3592464 A1 EP3592464 A1 EP 3592464A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- level
- feed roller
- metering device
- distribution metering
- conveyor shaft
- 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.)
- Pending
Links
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- 238000000034 method Methods 0.000 title claims description 13
- 239000000463 material Substances 0.000 claims description 30
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 230000001419 dependent effect Effects 0.000 claims description 7
- 230000001276 controlling effect Effects 0.000 claims description 3
- 235000012054 meals Nutrition 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 241000283153 Cetacea Species 0.000 description 1
- 101100210287 Drosophila melanogaster wech gene Proteins 0.000 description 1
- 241000792859 Enema Species 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000007920 enema Substances 0.000 description 1
- 229940095399 enema Drugs 0.000 description 1
- 230000003455 independent Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/286—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/42—Driving mechanisms; Roller speed control
Definitions
- Distribution metering device for a roller mill roller mill with such a distribution metering device, method for grinding regrind and roller mill with a control cabinet with a cooling
- the invention relates to a distribution metering device for a roller mill and a roller mill with a distribution metering device according to the invention.
- the invention further relates to a method for grinding regrind with a roll mill, which comprises a distribution metering device according to the invention, as well as a roll mill with a control cabinet, which has a cooling.
- the millbase is centrally introduced into the inlet of the respective Mahlpassage and dammed.
- the ground material is then distributed by gravity, if necessary, with the aid of a paddle roller, to the outside and transported through the feed roller into the grinding gap.
- a disadvantage of such roller mills is that the operator must manually define the filling level as the desired level. This "empirical" adjustment of the target level should also ensure that the distribution of regrind along the length of the feed roll is ensured., Checking / monitoring the distribution of regrind along the feed roll takes place only visually, if at all In the event of improper selection of the desired level and / or improper presetting of the distributor, it may happen that the material to be ground does not reach the ends of the discharge unit, and the correct setting is difficult even for a person skilled in the art In the case of critical passages with the state of the art, it is even more important for the risk of an accident to be greater, and secondly, it is important that the product is not separated during the central product introduction, since the product is not mixed in the inlet Enema is especially given when passing through two or more Pipes with different grinding qualities flow into the inlet.
- the distribution metering device comprises a housing having at least one Mahlguteinlass and at least one Mahlgutauslass and arranged in the housing feed roller for metering of ground material in a grinding gap of the roll mill through the Mahlgutauslass, which is rotatable about a feed roller axis.
- the distribution metering device further comprises a housing in the orderly conveyor shaft for distributing material to be ground along the feed roller, which is rotatable about a conveyor shaft axis, wherein the conveyor shaft axis is arranged parallel to the feed roller axis, and a first arranged in the housing level sensor for determining a first Mahlgut fill level of the housing.
- individual sensors for example, sensor strips
- the distribution metering device further comprises a second level sensor arranged in the housing for generating a second grinding stock level of the housing, wherein the Mahlguteinlass and the first level sensor are arranged at a ers th end of the feed roller and the conveyor shaft, and the second level sensor at a second end of the Spe sewalze and the conveyor shaft is arranged.
- the first or second sensor is arranged in each case at a first or last third of the feed roller.
- the level sensors are net angeord respectively at the first and last quarter of the feed roller.
- the range specifications refer to the length of the feed roller in the axial direction.
- the distribution metering device is usually arranged above the grinding rolls of a roll mill.
- Grist is the Ge housing of the distribution metering device supplied and forms there a memory which serves as a buffer for operating the rolling chair, so that small mass flow fluctuations can be smoothed.
- the feed roller then conveys the ground material to the Mahlgutauslass the distribution metering device and from there into the grinding gap.
- the feed roller axis is preferably arranged parallel to the roller zenachse of the grinding rollers of the roll mill.
- a conveyor shaft is provided. By rotating the conveyor shaft ensures that the material to be ground is conveyed in a direction along the conveyor shaft axis, so that so that a distribution of ground material is supported by gravity.
- the conveyor shaft is preferably designed as a screw conveyor or paddle roller.
- a counselbe rich extends the conveyor shaft, ie the area of the conveyor shaft, which causes a promotion of regrind, over at least half the axial length of the feed roller, preferably over the entire axial length of the feed roller.
- the conveyor shaft also causes a mixing of ground material in the distribution metering device, which counteracts a Entmi shear by Schiltkegel Struktur (in particular by the Siebef fect).
- the grinding stock inlet is arranged at a first end of the feed roller and the conveyor shaft. This means that regrind is not performed as in known devices in the middle of the feed roll, son countries in an end region of the feed roller and the conveyor shaft to. In this end area is also the first level sensor for determining a first regrind level. The height of the ground material can be determined with the first level sensor.
- a second level sensor is arranged at the other end of the feed roller and the conveyor shaft. This is a second meal good-level, that is, the height of the ground material, determined.
- a level sensor is arranged at both ends of the feed roller (and the conveyor shaft).
- the lateral arrangement of the Mahlguteinlasses and the inventive arrangement of the filling level sensors allows conclusions about whether the feed roller is supplied over its entire length with enough regrind.
- the distribution metering device is mirrored.
- the first level sensor is below the regrind inlet and two second level sensors arranged at both ends of the feed roller and the conveyor shaft.
- the conveyor shaft is then formed from that ground material is conveyed from the center away to the two ends by rotation.
- the conveyor shaft is formed in two parts, so that in each case one half is movable independently of the other half. It will be appreciated that such an embodiment is merely a reflection of the distribution metering device described herein.
- the feed roller and the conveyor shaft are preferably movable inde pendent of each other.
- the feed roller and the conveyor shaft have their own drive.
- the speed of the feed roller is controllable or controllable depending on the first regrind level. This means that the speed of the feed roller in dependence of the first level sensor determined, first regrind level is turned is.
- the feed roller is driven at a low speed, if the first regrind level is low. The speed is then increased if the first regrind level increases.
- the first grinding stock level is kept substantially constant by a corresponding control unit.
- the setpoint for this purpose can be permanently programmed into the control unit, dependent on other factors or adjustable by an operator.
- the speed The feed roller is adjusted depending on the deviation between the setpoint and actual value of the first regrind level.
- the speed of the conveyor shaft is preferably also controllable or controllable depending on the second regrind level. This means that the rotational speed of the conveyor shaft is set as a function of the second grinding stock level determined by the second filling level sensor.
- the conveyor shaft is driven at a first speed, if the second regrind level is low. The speed is then lowered if the second regrind level increases.
- the second regrind level is kept substantially constant by a corresponding control unit.
- the setpoint for this purpose can be permanently programmed into the control unit, dependent on other factors or adjustable by an operator.
- the speed of the conveyor shaft is adjusted depending on the deviation between the setpoint and the actual value of the second regrind level.
- the Mahlgutauslass is preferably formed as a gap between the feed roller and a throttle device.
- the throttle device preferably comprises a rotatable profile with a circular section-shaped cross-section. Such a profile can be made for example from a circular profile simply by ablating / grinding a circle section. It is advantageous that a metering edge of the profile is stiffer than in known solutions in which the throttle device comprises a flap which is composed of a plurality of ele ments. The elements must then be aligned to form a straight dosing edge.
- a profile with a circular section-shaped cross section is more rigid than known solutions.
- a gap width of the gap is dependent on the first regrind level controlled or regulated.
- the feed roller is operated at a constant speed and the Mahlgut-Austragmenge le diglich set over the gap width.
- the distribution metering device preferably comprises a Leitanord tion for guiding ground material to the feed roller.
- the guide arrangement is preferably designed as a sliding surface.
- the Leitanord voltage ends with an edge which is spaced from the feed roller between 0.001 and 5 mm.
- the edge is arranged in a radial section through the feed roller with an angular distance between 0 ° and 90 ° with respect to a solder through the central axis of the feed axis. In other words, the edge is located between 9 o'clock and 12 o'clock.
- Such an arrangement of the edge allows the minimization of dead spaces around the feed roller, so that improved hygiene of the Distribution metering is possible.
- cleaning / emptying of the distribution metering device is simplified.
- the distribution metering device further comprises a Kontrollin- unit, which is in operative connection with the first and second level sensor and by means of which the feed roller and / or the conveyor shaft can be controlled / regulated.
- the control unit is arranged in a cabinet with a cooling wel surface comprising at least one Peltier element.
- the control unit is used to control / regulate the rotation of the feed roller and the conveyor shaft and controls / regulates these particular special depending on the first or second regrind level.
- control unit Due to the environmental characteristics of a roller mill, the control unit must firstly be protected against external influences (dust), secondly, for safety reasons (danger of dust explosion), it must be picked up as a possible ignition source safely and separated from the environment.
- Previous solutions suggested a central control cabinet, from which the ge entire system (several roll chairs) fed and gesteu
- the control cabinet comprises at least one Peltier element for cooling the interior of the control cabinet.
- the advantage here is the insulation between the outside and in interior space, so that possible sources of ignition are not in contact with the roll environment.
- the invention further relates to a roller mill with a distribution metering device according to the invention. All, above be described advantages and developments of the distribution metering device are thus also applicable for a novel roll mill accordingly.
- the roller mill comprises at least two rollers, which define a roller censpalt for grinding material to be ground, wherein the roller gap is supplied with material to be ground from the Mahlgutauslass the distribution metering device.
- the invention further relates to a method for grinding meal well in a roll mill.
- the roller mill comprises a distribution metering device according to the invention. All, above-described advantages and refinements of the distribution metering device and the roller mill are thus also applicable to a method according to the invention.
- grinding stock is fed to the roller mill via a distribution metering device according to the invention.
- Ground material is fed to the distribution metering device via the Mahlgutein and then leaves the distribution metering device through the Mahlgutauslass.
- a speed of the feed roller is controlled or regulated depending on the first regrind level.
- the speed of the feed roller is adjusted in particular proportionally to a deviation between a desired value of the first regrind level and the actual value of the first millbase level.
- a rotational speed of the conveyor shaft is controlled or regulated depending on the two-th regrind level.
- the rotational speed of the conveyor shaft is in particular inversely proportional to a deviation between a desired value of the second Mahlgut- fill level and the actual value of the second Mahlgut-level to fit.
- the distribution metering device is formed with a Mahlgutauslass formed as a gap between the feed roller and a throttle device
- a gap width of the gap is controlled or regulated depending on the first Mahlgut fill level.
- the speed of the feed roller is kept constant (i.e., not changed during operation).
- the gap width is adjusted in particular in proportion to a deviation between a desired value of the first regrind fill level and the actual value of the first millbase fill level.
- the invention further relates to a roller mill comprising at least two rollers arranged in a housing, a grinding inlet, a grinding stock outlet and a control unit for controlling and / or regulating the roller mill.
- the control unit is arranged in a control cabinet with a cooling, wherein the control cabinet on the roller mill, in particular on the housing, is arranged.
- the cooling comprises at least one Peltier element.
- control unit Due to the environmental characteristics of a roller mill, the control unit must firstly be protected against external influences (dust), secondly, for safety reasons (danger of dust explosion), it must be picked up as a possible ignition source safely and separated from the environment.
- Previous solutions suggested a central control cabinet, from which the ge entire system (several roll chairs) fed and gesteu
- the control cabinet comprises at least one Peltier Element for cooling the interior of the cabinet.
- the cabinet contains in addition to Maschinen supposedungsele elements at least one power electronics component that serves to operate the main drive motors of the rolls of the roll mill and / or the drive motors of the feed unit of the roll mill.
- the power electronics component is selected from the group consisting of safety switch, main switch, soft starter, frequency converter (Wech selrichtern) and power lines.
- each roll mill comprises at least two rollers arranged in a housing, a grinding material inlet, a grinding material outlet, a distribution metering device and a control unit for controlling and / or regulating the roll mill, characterized that in each roller mill, the control unit is arranged in a control cabinet with a cooling, which is arranged directly on the distribution metering j e election roller mill, the cooling in particular special at least one Peltier element comprises, and that all connection lines of the respective roll mill on whose control unit is connected in the control cabinet to the roller mill.
- the advantage here is the insulation between the exterior and interior, so that possible sources of ignition are not in contact with the roller mill environment.
- Fig. 1 is a schematic sectional view of the inventive
- Distribution metering device in a plane parallel to the feed roller shaft
- Fig. 2 is a schematic sectional view of the inventive
- Distribution metering device in a plane perpendicular to the feed roller shaft
- FIG. 3 shows a schematic perspective view of the roller mill according to the invention with a distribution metering device and a control cabinet.
- a distribution metering device 1 is shown schematically.
- the distribution metering device 1 comprises a housing 2 with a Mahlguteinlass 3 and a Mahl gutauslass 4.
- a conveyor shaft 6 are arranged in the housing 2 .
- the feed shaft is formed in this case as a screw conveyor and is rotatable about the conveyor shaft axis FA, which is parallel to Lucaswal zenachse SA.
- each motors 15 and 16 are present.
- the motors 15 and 16 are connected to a control unit 12 in operative connection (schematically represented by the dashed line Darge).
- two level sensors 7 and 8 are arranged, which forms out to determine the grinding stock level in the housing are and also with the control unit 12 in Wirkver bond.
- the first level sensor 7 is arranged in the region of the grinding stock inlet 3 at a first end of the feed roller 5 and the conveyor shaft 6.
- the second level sensor 8 is arranged at the other En de the feed roller 5 and the conveyor shaft 6. There are thus two level sensors 7 and 8 at the two ends of the feed roller 5 and the conveyor shaft 6 are arranged.
- the Mahlgutein lass 3 is also not centered as in known Vorrich lines, but is above the first end of the feed roller 5 and the conveyor shaft 6 is arranged.
- a throttle device 10 which is used to set a gap 9, which serves as Mahlgutauslass 4 of the housing 2, application.
- the throttle device 10 includes in addition to actuators and bearings a elongated profile 11 with a circular section cross-section. By rotation of the profile 11 (shown schematically by the dashed position), the gap width of the Spal tes 9 can be adjusted.
- the arrangement of the guide assembly 18 is also visible, which is designed as a slide.
- the guide assembly ends with an edge 19 close to the surface of the feed roller 5.
- the edge 19 is arranged so that no regrind can get below the feed roller 5 and no regrind can remain ver in the dining room; e.g. can the edge 19 for this purpose with respect to a solder through the feed roller axis SA with a Winkelab stood from 0 ° to 90 °.
- a jacket 20 joins the edge 19 for sealing.
- the dining area encloses the feed roller (discharge roller) for the most part, whereby a dead zone under half of the feed roller (discharge roller) forms, which can not be completely emptied during operation and thus would have to be cleaned manually at a standstill.
- This dead zone can be an unwanted habitat for insects, etc.
- the edge 19 should therefore ideally be taken care of as that no such dead zone can form.
- grinding stock is fed through the grinding stock inlet 3.
- the ground material is conveyed from the first end in the direction of the second end of the feed roller 6.
- This distribution is monitored by the second level sensor 8. If the measured from the second level sensor 8, second regrind level (actual value) deviates from a target value of the second regrind level, the speed of the conveyor shaft 6 is adjusted accordingly, so that more or less ground material is conveyed to the other end of the feed roller 5.
- FIG. 3 shows a roller mill 14 with a distribution metering device 1.
- the switching cabinet 13 which is arranged on the roll mill and which houses the control unit 12 and is cooled by Peltier elements 17 (of which only cooling fins are visible).
- Peltier elements 17 of which only cooling fins are visible.
- Other ATEX-compliant cooling are also conceivable, for example, liquid, especially water cooling; ATEX-compliant fans; Etc.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Disintegrating Or Milling (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP18174239.6A EP3572152B1 (en) | 2018-05-25 | 2018-05-25 | Distributing and metering device for a roller mill, roller mill with such a distributing and metering device and method for grinding material |
PCT/EP2019/063644 WO2019224399A1 (en) | 2018-05-25 | 2019-05-27 | Distribution metering device for a roller mill, roller mill with such a distribution metering device, method for grinding grinding stock, and roller mill comprising a switching cabinet with a cooling system |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3592464A1 true EP3592464A1 (en) | 2020-01-15 |
Family
ID=62386079
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18174239.6A Active EP3572152B1 (en) | 2018-05-25 | 2018-05-25 | Distributing and metering device for a roller mill, roller mill with such a distributing and metering device and method for grinding material |
EP19725761.1A Pending EP3592464A1 (en) | 2018-05-25 | 2019-05-27 | Distribution metering device for a roller mill, roller mill with such a distribution metering device, method for grinding grinding stock, and roller mill comprising a switching cabinet with a cooling system |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18174239.6A Active EP3572152B1 (en) | 2018-05-25 | 2018-05-25 | Distributing and metering device for a roller mill, roller mill with such a distributing and metering device and method for grinding material |
Country Status (12)
Country | Link |
---|---|
US (2) | US11185867B2 (en) |
EP (2) | EP3572152B1 (en) |
JP (2) | JP6953642B2 (en) |
KR (2) | KR102647490B1 (en) |
CN (2) | CN112384301B (en) |
AU (2) | AU2019272929B2 (en) |
BR (1) | BR112020023672B1 (en) |
CA (1) | CA3101404C (en) |
ES (1) | ES2824761T3 (en) |
MX (2) | MX2020012603A (en) |
RU (1) | RU2755504C1 (en) |
WO (1) | WO2019224399A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4000734A1 (en) | 2020-11-20 | 2022-05-25 | Bühler AG | Roller mill with improved product collection |
CH719887A1 (en) * | 2022-07-12 | 2024-01-31 | Swisca Ag | Feeding device and rolling mill. |
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2018
- 2018-05-25 EP EP18174239.6A patent/EP3572152B1/en active Active
- 2018-05-25 ES ES18174239T patent/ES2824761T3/en active Active
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AU2019272929A1 (en) | 2020-12-17 |
CN114534852A (en) | 2022-05-27 |
EP3572152B1 (en) | 2020-08-05 |
AU2021261834B2 (en) | 2024-03-28 |
AU2021261834A1 (en) | 2021-12-02 |
KR102647490B1 (en) | 2024-03-13 |
CN112384301A (en) | 2021-02-19 |
WO2019224399A1 (en) | 2019-11-28 |
CN112384301B (en) | 2022-03-29 |
AU2019272929B2 (en) | 2021-11-18 |
MX2020012603A (en) | 2021-10-01 |
BR112020023672A2 (en) | 2021-02-17 |
US11865547B2 (en) | 2024-01-09 |
JP7326397B2 (en) | 2023-08-15 |
RU2755504C1 (en) | 2021-09-16 |
US20220072561A1 (en) | 2022-03-10 |
CA3101404C (en) | 2022-03-22 |
KR20210134419A (en) | 2021-11-09 |
CN114534852B (en) | 2023-12-01 |
JP2022001367A (en) | 2022-01-06 |
JP2021514835A (en) | 2021-06-17 |
US11185867B2 (en) | 2021-11-30 |
KR20210003296A (en) | 2021-01-11 |
CA3101404A1 (en) | 2019-11-28 |
MX2021012001A (en) | 2021-11-04 |
EP3572152A1 (en) | 2019-11-27 |
ES2824761T3 (en) | 2021-05-13 |
KR102320757B1 (en) | 2021-11-02 |
BR112020023672B1 (en) | 2021-09-14 |
US20210197206A1 (en) | 2021-07-01 |
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