EP3386619B1 - Rührvorrichtung - Google Patents

Rührvorrichtung Download PDF

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Publication number
EP3386619B1
EP3386619B1 EP16797816.2A EP16797816A EP3386619B1 EP 3386619 B1 EP3386619 B1 EP 3386619B1 EP 16797816 A EP16797816 A EP 16797816A EP 3386619 B1 EP3386619 B1 EP 3386619B1
Authority
EP
European Patent Office
Prior art keywords
agitator device
region
advantageously
unit
rotor blade
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.)
Active
Application number
EP16797816.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3386619A1 (de
Inventor
Nicole Rohn
Hans-Jürgen WEISS
Bernd NIENHAUS
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EKATO Ruehr und Mischtechnik GmbH
Original Assignee
EKATO Ruehr und Mischtechnik GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Publication of EP3386619A1 publication Critical patent/EP3386619A1/de
Application granted granted Critical
Publication of EP3386619B1 publication Critical patent/EP3386619B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/86—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis co-operating with deflectors or baffles fixed to the receptacle
    • B01F27/861—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis co-operating with deflectors or baffles fixed to the receptacle the baffles being of cylindrical shape, e.g. a mixing chamber surrounding the stirrer, the baffle being displaced axially to form an interior mixing chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/113—Propeller-shaped stirrers for producing an axial flow, e.g. shaped like a ship or aircraft propeller
    • B01F27/1133—Propeller-shaped stirrers for producing an axial flow, e.g. shaped like a ship or aircraft propeller the impeller being of airfoil or aerofoil type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/91—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with propellers

Definitions

  • the invention relates to a stirring device, in particular a guide tube stirring device, according to the preamble of claim 1.
  • the object of the invention is, in particular, to provide a generic stirring device with improved fluidic properties.
  • the object is achieved according to the invention by the characterizing features of patent claim 1, while advantageous refinements and developments of the invention can be found in the subclaims.
  • EP0664155A1 discloses a stirring device according to the preamble of claim 1.
  • the invention according to claim 1 is based on a stirring device, in particular a guide tube stirring device, with at least one stirring unit which can be rotated about an axis of rotation, which is provided for conveying a fluid in an axial conveying direction and which has at least one rotor blade element, the projection of which is perpendicular to a plane the axis of rotation comprises an at least substantially circular arc-shaped outer contour.
  • the rotor blade element comprises at least an at least substantially flat first region lying in a blade plane and a second region curved out of the blade plane.
  • a “stirring device” should in particular mean a component, in particular a functional component, in particular a structural and/or functional component, of a mixer and/or an agitator, in particular for a fluid, in particular at a maximum speed of 500 rpm, advantageously of 200 rpm, particularly advantageously 100 rpm, preferably 50 rpm.
  • the stirring device can also include the entire mixer and/or the entire agitator.
  • the stirring device is preferably designed as a guide tube stirring device.
  • a “guide tube stirring device” is intended to be understood in particular as a construction and/or functional component, of a draft tube mixer and/or a draft tube agitator, in particular for a fluid.
  • the draft tube stirring device can also include the entire draft tube mixer and/or the entire draft tube agitator.
  • a fluid should be understood to mean in particular a liquid or a suspension or a dispersion, in particular with a liquid carrier medium.
  • the guide tube mixer and/or the guide tube agitator has at least one, in particular vertical, guide tube and/or at least one stirring container.
  • a “guide tube” is to be understood here in particular as a hollow cylinder which is intended to guide a fluid, in particular in a vertical direction, in particular at least essentially parallel to a surface normal of a subsurface.
  • “At least substantially parallel” here is intended to mean, in particular, an alignment of a direction relative to a reference direction, in particular in a plane, with the direction having a deviation from the reference direction, in particular less than 8°, advantageously less than 5° and particularly advantageously smaller than 2°.
  • a main extension direction of the guide tube runs in a vertical direction.
  • Under one “Main direction of extension” of an object should be understood to mean in particular a direction which runs parallel to a longest edge of a smallest imaginary cuboid, which just completely encloses the object.
  • the axis of rotation runs at least substantially parallel to a vertical direction, in particular parallel to the surface normal of a substrate.
  • the stirring unit is preferably designed as a stirring element, in particular as a guide tube propeller.
  • the stirring unit has at least one, in particular centrally arranged, hub element.
  • the axis of rotation particularly preferably runs through the hub element.
  • the stirring unit, in particular the hub element of the stirring unit is advantageously intended to be mounted on at least one drive shaft.
  • the hub element is particularly advantageously connected to the drive shaft by means of a force and/or positive connection, for example by means of clamps and/or screws and/or a tongue and groove connection.
  • the stirring unit in particular the hub element of the stirring unit, is connected in one piece to the drive shaft.
  • “In one piece” should in particular be understood to be at least materially connected, for example by a welding process, an adhesive process, a molding process and/or another process that appears sensible to the person skilled in the art, and/or advantageously understood to be formed in one piece, such as for example by a Production from a single casting and/or by production in a single or multi-component injection molding process and advantageously from a single blank.
  • the stirring unit is intended for stirring at a maximum speed of 500 rpm, advantageously 200 rpm, particularly advantageously 100 rpm, preferably 50 rpm.
  • the stirring unit is preferably made to at least a large extent from a material that is resistant to, in particular organic, solvents and/or acids and/or bases, in particular from a ceramic or a ceramic composite material.
  • the stirring unit is made at least largely from a metal and/or a metal alloy, in particular from steel and/or stainless steel.
  • the stirring unit is made at least largely from a plastic.
  • the stirring unit has a, in particular additional, at least partial coating, for example with a metal oxide and/or a, in particular corrosion-resistant, polymer, and/or is rubberized.
  • the expression “to at least a large part” should be understood to mean in particular at least 55%, advantageously at least 65%, preferably at least 75%, particularly preferably at least 85% and particularly advantageously at least 95%.
  • the conveying direction runs at least substantially parallel to the axis of rotation.
  • an object is "at least essentially circular arc-shaped" should be understood in particular to mean that a smallest circular ring piece surrounding the object has an inner radius and an outer radius that differ by a maximum of 20%, advantageously by a maximum of 15%, particularly advantageously by a maximum of 10%, preferably by a maximum of 5% and particularly preferably by a maximum of 2%.
  • a projection of the rotor blade element onto at least one plane containing the axis of rotation has at least one at least essentially rectilinear top or bottom.
  • the rotor blade element is preferably made at least to a large extent from a material that is resistant to, in particular organic, solvents and/or acids and/or bases, in particular from a ceramic or a ceramic composite material.
  • the rotor blade element is made at least largely from a metal and/or a metal alloy, in particular from steel and/or stainless steel.
  • the rotor blade element is made at least largely from a plastic.
  • the rotor blade element has a, in particular additional, at least partial coating, for example with a metal oxide and/or a, in particular corrosion-resistant, polymer, and / or rubberized.
  • the rotor blade element is advantageously connected in one piece to the hub element.
  • the rotor blade element is connected to the hub element using screws and/or rivets.
  • the sheet plane corresponds to a main extension plane of the first area.
  • a “main extension plane” of an object is to be understood in particular as a plane which is parallel to a largest side surface of the smallest imaginary cuboid, which just completely encloses the object, and in particular runs through the center of the cuboid.
  • the first area and the second area advantageously form the rotor blade element.
  • the second region particularly advantageously has an at least essentially constant radius of curvature.
  • an “at least essentially constant value” should be understood to mean, in particular, a variation of the value of at most 20%, advantageously of at least 15%, particularly advantageously of at least 10% and preferably of at least 5%.
  • an imaginary boundary line between the first area and the second area has an at least essentially straight course.
  • An “at least substantially straight course” of a line should be understood in particular to mean that a smallest cuboid enclosing the line has at least one longest side which is at least 10 times, advantageously at least 20 times, particularly advantageously at least 50 times, preferably at least 100 times and particularly preferably is at least 200 times as long as a second longest side of the cuboid and that for each point on the line, an angle between a tangent in the point and the longest side of the cuboid is at most 10°, advantageously at most 8°, especially advantageously at most 5°, preferably at most 3° and particularly preferably at most 2°.
  • the second region comprises at least one corner, particularly preferably exactly two corners, of the rotor blade element.
  • the first extends advantageously Area and/or the second area over an entire width of the rotor blade element.
  • At least a large part of the rotor blade element has an at least substantially constant blade thickness.
  • “at least a majority” should be understood to mean in particular at least 60%, advantageously at least 70%, particularly advantageously at least 80%, preferably at least 90% and particularly preferably at least 95%.
  • the rotor blade element can have a different blade thickness in a region of one or more edges.
  • a “blade thickness” should be understood to mean in particular a thickness of the rotor blade element, in particular a thickness along a direction that runs at least substantially parallel to a surface normal of an upper side and/or an underside of the rotor blade element.
  • the stirring device advantageously has at least one base unit, which is provided for a, in particular one-piece and/or non-positive and/or positive, connection to the casing unit, for example by means of welding and/or screws and/or clamps and/or rivets.
  • the stirring device comprises a container unit which is provided for a connection, in particular in one piece, with the base unit and/or with the casing unit.
  • the base unit has at least one circumferential flange which, in an assembled state, can be connected to the container unit, in particular to a circumferential flange of the container unit.
  • the stirring device is mounted and/or designed to be operable in such a way that an alternative second delivery of a fluid takes place in an alternative second delivery direction, in particular opposite to the delivery direction.
  • the guide plates can then be located behind the stirring device, in particular in the alternative second conveying direction.
  • a geometry of the casing unit can in particular be designed unchanged and/or as described here and/or have at least a changed geometry of the guide plate.
  • the interior is at least essentially cylindrical.
  • An “at least essentially cylindrical object” should be understood in particular to mean that a difference volume of the object and a smallest cylinder surrounding the object is a maximum of 30%, advantageously a maximum of 20%, particularly advantageously a maximum of 10% and preferably a maximum of 5% of the volume of the cylinder amounts.
  • a smallest circle surrounding a projection of the stirring unit onto a plane perpendicular to the axis of rotation has a radius that is at most 20%, advantageously at most 10%, particularly advantageously at most 5% and preferably at most 3% smaller than a radius of a smallest interior space surrounding cylinder.
  • the axis of rotation preferably forms a cylinder axis of the cylinder. In this way, a precisely coordinated geometry can advantageously be achieved. Furthermore, the casing unit can thereby advantageously be adapted to the stirring unit.
  • a main extension plane of the guide plate is arranged at least substantially parallel to the conveying direction.
  • a surface normal runs through the respective point at least essentially perpendicular to the axis of rotation.
  • a projection of the guide plate onto a plane perpendicular to the axis of rotation follows a curved course.
  • a projection of the guide plate onto a plane perpendicular to the axis of rotation has a thickness that is at least essentially a thickness of the Guide plate corresponds.
  • a projection of the guide plate onto a plane perpendicular to the axis of rotation has at least a first, flat region and at least a second, curved region.
  • the curved course has an at least essentially constant radius of curvature. In this way, high torsional rigidity and/or high strength can advantageously be achieved. Furthermore, this can advantageously achieve a favorable flow to the stirring unit.
  • the guide plate has at least a second region, which in the assembled state is arranged in front of the interior in the conveying direction and extends further in the radial direction than the interior.
  • a portion of the second region, which is located radially further out than the interior has a curved region when the baffle is viewed along the axis of rotation.
  • an extension of the second region along the axis of rotation corresponds to at least 10%, advantageously at least 20%, particularly advantageously at least 30%, preferably at least 40% and particularly preferably at least 50% of an extension of the guide plate along the axis of rotation.
  • the casing unit has an outer contour on a front side in the conveying direction, which is at least essentially in the form of a truncated cone shell.
  • an extension of the outer contour along a direction parallel to the axis of rotation corresponds to at least 10%, advantageously at least 20%, particularly advantageously at least 30%, preferably at least 40% and particularly preferably at least 50% of an extension of the casing unit along the direction.
  • an angle between the truncated cone shell and a cone axis is at most 45°, particularly advantageously at most 30°, preferably at most 20° and particularly preferably at least 15°. This can advantageously increase the stability of the casing unit.
  • a mixer in particular a guide tube mixer, with at least one stirring device and with the guide tube, which has an inner cross section in a region of the connection to the casing unit, which at least substantially corresponds to an outer cross section of the casing unit in the region of the connection, is proposed.
  • a method for producing at least one transition and/or end product from at least one starting product with which Stirring device proposed, whereby the starting product is stirred by means of the stirring unit.
  • the starting product is preferably designed as a fluid. This can advantageously achieve high product quality and/or homogeneity. Furthermore, this can advantageously achieve time- and/or cost-efficient production.
  • the stirring device according to the invention should not be limited to the application and embodiment described above.
  • the stirring device according to the invention can have a number of individual elements, components and units that deviate from the number mentioned herein in order to fulfill the functionality described herein.
  • FIG. 1 shows a mixer 54a with a stirring device in a perspective sectional view.
  • the mixer 54a has a guide tube 38a.
  • a main direction of extension of the guide tube 38a runs in a vertical direction.
  • the stirring device is designed as a guide tube stirring device.
  • the stirring device has a stirring unit 12a, which is designed to be rotatable about a rotation axis 10a.
  • the stirring unit 12a has a centrally arranged hub element 62a.
  • the stirring unit 12a in the present case has three rotor blade elements 18a. However, a different number of rotor blade elements is also conceivable, such as two or four or five or six or eight or ten.
  • the stirring unit 12a is used to promote one in the Figure 1 fluid, not shown, is provided in a conveying direction 16a.
  • the conveying direction 16a runs at least essentially parallel to a vertical direction.
  • the conveying direction 16a runs parallel to the axis of rotation 10a.
  • the conveying direction 16a in the present case runs upwards. However, it is also conceivable that a conveying direction runs downwards.
  • the stirring device has a base unit 64a.
  • the base unit 64a has a circumferential flange 68a.
  • the stirring device has a container unit 66a.
  • the container unit 66a has a circumferential flange 70a.
  • the container unit 66a is connected to the flange 68a of the base unit 64a via the flange 70a of the container unit 66a.
  • the stirring device has a casing unit 36a.
  • the casing unit 36a has a wall element 76a.
  • the casing unit 36a is connected to the base unit 64a.
  • the casing unit 36a defines an interior space 42a.
  • the wall element 76a defines the interior 42a.
  • the interior 42a is cylindrical.
  • the axis of rotation 10a forms a cylinder axis 72a of the interior 42a.
  • the sheathing unit 36a is intended to be connected to the guide tube 38a.
  • the guide tube 38a has an inner cross section 58a in a region 56a of the connection with the casing unit 36a, which at least substantially corresponds to an outer cross section 60a of the casing unit 36a in the region 56a of the connection.
  • the casing unit 36a has a guide plate 40a.
  • a main extension plane of the guide plate 40a runs parallel to the conveying direction 16a.
  • the guide plate 40a has a first region 44a, which is arranged within the interior 42a.
  • a projection of the first region 44a onto a plane parallel to the axis of rotation 10a has an at least substantially rectangular cross section.
  • the guide plate 40a has a second region 46a, which is arranged in front of the interior 42a in the conveying direction 16a.
  • the second region 46a extends further in the radial direction than the interior 42a.
  • the guide plate 40a is positively connected to the wall element 76a.
  • the Sheathing unit 36a has a total of five guide plates 40a, which are at least essentially identical (cf. Figure 2 ).
  • at least one guide plate can have a different curvature than that described here and/or can be designed to adapt to a changed flow.
  • the casing unit 36a has a radial extension at a front end 74a in the conveying direction 16a, which corresponds to a distance from the rotation axis 10a of a point 48a of the guide plate 40a that is furthest radially from the rotation axis 10a.
  • the point 48a lies on a radially outer edge 77a of the guide plate 40a.
  • FIG 3 shows the stirring unit 12a of the stirring device in a perspective view.
  • the rotor blade elements 18a of the stirring unit 12a are welded to the hub element 62a of the stirring unit 12a.
  • the stirring unit 12a has a diameter of approximately 500 mm.
  • a stirring unit has a different diameter, such as a diameter of approximately 250 mm, or a diameter of approximately 1000 mm, or a diameter of approximately 1500 mm, or a diameter of approximately 2000 mm, or a diameter of about 3000 mm.
  • FIG 4 shows the stirring unit 12a in a schematic top view viewed along the axis of rotation 10a (cf. Figure 1 ).
  • each rotor blade element 18a When viewed in the direction of the rotation axis 10a (cf. Figure 1 ), each rotor blade element 18a has a circular arc-shaped outer contour 20a.
  • FIG. 5 shows one of the rotor blade elements 18a of the stirring unit 12a in a perspective view.
  • the rotor blade element 18a has a constant blade thickness 32a.
  • the blade thickness of the rotor blade element 18a is approximately 5 mm.
  • a rotor blade has a different blade thickness, such as a blade thickness of approximately 2 mm, or a blade thickness of approximately 10 mm, or a blade thickness of approximately 20 mm, or a blade thickness of approximately 30 mm, or a blade thickness of about 50 mm, or a sheet thickness of about 70 mm.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Accessories For Mixers (AREA)
EP16797816.2A 2015-12-10 2016-11-10 Rührvorrichtung Active EP3386619B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015121513.6A DE102015121513A1 (de) 2015-12-10 2015-12-10 Rührvorrichtung
PCT/EP2016/077327 WO2017097530A1 (de) 2015-12-10 2016-11-10 Rührvorrichtung

Publications (2)

Publication Number Publication Date
EP3386619A1 EP3386619A1 (de) 2018-10-17
EP3386619B1 true EP3386619B1 (de) 2023-12-20

Family

ID=57345904

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16797816.2A Active EP3386619B1 (de) 2015-12-10 2016-11-10 Rührvorrichtung

Country Status (12)

Country Link
US (1) US11059006B2 (zh)
EP (1) EP3386619B1 (zh)
CN (1) CN109070028B (zh)
AU (1) AU2016368953B2 (zh)
BR (1) BR112018011513B1 (zh)
CA (1) CA3007686C (zh)
CL (1) CL2018001525A1 (zh)
DE (1) DE102015121513A1 (zh)
RU (1) RU2729276C2 (zh)
TW (1) TWI721053B (zh)
WO (1) WO2017097530A1 (zh)
ZA (1) ZA201804447B (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102611520B1 (ko) * 2018-12-13 2023-12-15 에스케이온 주식회사 응집현상 방지용 다축 플래니터리 교반기
DE102019124886A1 (de) * 2019-09-16 2021-03-18 EKATO Rühr- und Mischtechnik GmbH Rührorganvorrichtung

Family Cites Families (16)

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Publication number Priority date Publication date Assignee Title
US1850199A (en) * 1930-05-16 1932-03-22 Cellufoam Corp Agitator
US4328175A (en) * 1979-10-02 1982-05-04 Union Carbide Corporation Apparatus for contacting a liquid with a gas
US4358206A (en) 1980-12-30 1982-11-09 General Signal Corporation Draft tube apparatus
SU1494959A1 (ru) * 1987-09-11 1989-07-23 Казанский Научно-Исследовательский Технологический И Проектный Институт Химико-Фотографической Промышленности "Тасма" Мешалка
DE4401596A1 (de) 1994-01-20 1995-07-27 Ekato Ruehr Mischtechnik Rührorgan
AUPN034694A0 (en) 1994-12-30 1995-01-27 Comalco Aluminium Limited Improved draft tube agitator
JP2931256B2 (ja) * 1995-11-01 1999-08-09 神鋼パンテツク株式会社 軸流型撹拌翼
DE29821742U1 (de) * 1998-12-07 1999-03-18 Collomix Ruehr Mischgeraete Rührer
US6082890A (en) * 1999-03-24 2000-07-04 Pfaudler, Inc. High axial flow glass coated impeller
JP2011507690A (ja) 2007-12-21 2011-03-10 フィラデルフィア・ミキシング・ソリューションズ・リミテッド 混合のための方法および装置
AU2009259850B2 (en) * 2008-06-20 2013-06-13 Philadelphia Mixing Solutions, Ltd. Combined axial-radial intake impeller with circular rake
FI121621B (fi) * 2009-03-11 2011-02-15 Outotec Oyj Sekoitin lietteen sekoittamiseksi metallurgisissa prosesseissa
DE102010046121A1 (de) * 2010-09-21 2012-03-22 EKATO Rühr- und Mischtechnik GmbH Rührblatt und Rührvorrichtung
KR101086555B1 (ko) * 2011-09-30 2011-11-23 허종형 수처리시설용 혼화장치
JP2015502846A (ja) * 2011-11-24 2015-01-29 ワン、リーWANG, Li チャンネル状羽根を有する撹拌インペラ
CN204529435U (zh) * 2015-03-27 2015-08-05 泰州市镝泰电力设备有限公司 一种双曲面水体搅拌器

Also Published As

Publication number Publication date
CA3007686A1 (en) 2017-06-15
CN109070028A (zh) 2018-12-21
RU2018124647A (ru) 2020-01-13
US11059006B2 (en) 2021-07-13
BR112018011513A2 (pt) 2018-11-21
WO2017097530A1 (de) 2017-06-15
AU2016368953B2 (en) 2022-03-17
CN109070028B (zh) 2021-12-24
TWI721053B (zh) 2021-03-11
EP3386619A1 (de) 2018-10-17
RU2729276C2 (ru) 2020-08-05
AU2016368953A1 (en) 2018-06-28
RU2018124647A3 (zh) 2020-06-16
US20180345233A1 (en) 2018-12-06
BR112018011513B1 (pt) 2023-03-07
TW201720518A (zh) 2017-06-16
DE102015121513A1 (de) 2017-06-14
CA3007686C (en) 2022-10-11
CL2018001525A1 (es) 2018-12-07
ZA201804447B (en) 2019-09-25

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