EP3669021A1 - Mehrfachdüsenanschluss einer textilmaschine, textilmaschine und verfahren zum betreiben einer textilmaschine - Google Patents
Mehrfachdüsenanschluss einer textilmaschine, textilmaschine und verfahren zum betreiben einer textilmaschineInfo
- Publication number
- EP3669021A1 EP3669021A1 EP18755914.1A EP18755914A EP3669021A1 EP 3669021 A1 EP3669021 A1 EP 3669021A1 EP 18755914 A EP18755914 A EP 18755914A EP 3669021 A1 EP3669021 A1 EP 3669021A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- suction
- textile machine
- suction tube
- connection
- compression device
- 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
- 239000004753 textile Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims description 5
- 230000006835 compression Effects 0.000 claims abstract description 49
- 238000007906 compression Methods 0.000 claims abstract description 49
- 238000007378 ring spinning Methods 0.000 claims abstract description 17
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 239000002657 fibrous material Substances 0.000 description 11
- 238000009987 spinning Methods 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005056 compaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000009420 retrofitting Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/02—Spinning or twisting machines in which the product is wound-up continuously ring type
- D01H1/025—Spinning or twisting machines in which the product is wound-up continuously ring type with a condensing device between drafting system and spinning unit
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/60—Arrangements maintaining drafting elements free of fibre accumulations
- D01H5/66—Suction devices exclusively
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/60—Arrangements maintaining drafting elements free of fibre accumulations
- D01H5/66—Suction devices exclusively
- D01H5/68—Suction end-catchers
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/70—Constructional features of drafting elements
- D01H5/72—Fibre-condensing guides
Definitions
- the invention relates to a multi-nozzle connection of a suction line of a textile machine according to the independent claim and to a textile machine equipped therewith.
- a compacting device for compacting (compacting) of the fiber material (fiber strand) delivered by a drafting unit, a compacting device is arranged downstream. Subsequent to such a compacting device, the compacted fiber material, after passing through a nip, a swirl-generating device is supplied.
- a swirl-generating device consists eg in a ring spinning machine of a rotor, which rotates on a ring, wherein the yarn produced is wound on a rotating sleeve.
- the sealing devices used are essentially evacuated circulating, perforated suction drums or circumferential, perforated aprons.
- a special suction region is defined on the compression element using corresponding inserts within the suction drum, or within the circumferential straps.
- Such inserts can be provided, for example, with correspondingly shaped suction slots, to which a negative pressure is applied, whereby a corresponding air flow is generated at the periphery of the respective compression element.
- EP947614B1, DE 102005010903A1, DE19846268C2, EP1612309B1, DE10018480A1 or CN1712588A have been shown and described.
- the publications mentioned above are essentially compression devices which are permanently installed following the respective drafting system. The drive of these compression devices takes place partly via special, arranged over the length of the spinning machine drive shafts, which are either with a suction roll or a rotating belt in drive connection or permanently installed drive connection to correspondingly arranged pressure rollers of Verdichtungseinrich- device.
- a compaction roller with a rotation locking roller are received in a bearing element, which is connected via a plate via screws with a pivotable loading arm of a drafting device.
- the drive via friction of a directly connected to a drive output roller and its associated pressure roller on the compression roller and the Transfer rotation lock roller.
- the compacting device shown here is also intended for retrofitting to existing drafting equipment of spinning machines without compression.
- the attachment of the compression unit shown here to an existing drafting unit via a screw connection, as well as the threading in the axis of the pressure roller is relatively time consuming and requires an additional Einjusttechnik the distances.
- the connection to a vacuum source must be made separately.
- the suction elements which are associated with a defined compression area for compressing the fiber material, are acted upon by additionally arranged lines, which are connected to a vacuum source, with a negative pressure.
- the compacting device is pivoted about the support member about a pivot axis in the direction of the output roller pair of the drafting system, wherein in each case a coaxially mounted on the respective suction drum friction wheel with the lower roller of the output roller pair of the drafting a frictional connection ( over friction).
- the compression device is held in this drive connection via appropriately arranged spring elements (eg on the loading arm of the drafting system).
- WO2012068692A1 also proposes to provide a second gear stage between the drive element of the compacting element of the first gear stage and the compacting element.
- a disadvantage of this embodiment is that the conversion of the textile machine from a compacting device to a conventional yarn extraction system is relatively costly and time-consuming.
- the invention is based on the object of simplifying and improving the compacting devices known from WO2012068692A1 for two drafting units arranged next to one another in order to achieve a simple conversion from a compacting device to a conventional yarn suction device.
- this object is achieved by a multi-nozzle connection of a textile machine, in particular a ring spinning machine, comprising a connecting piece for the alternative connection of a compacting device or a suction tube device to a suction line of the textile machine, wherein the connecting piece has three connections and depending on a connected compression device or a suction tube at least one connection is closed.
- connection piece can have three connections located next to one another, wherein the compression device can be connected to a middle connection, wherein the lateral connections are closed, and wherein a suction tube device can be connected to the lateral connections and the middle connection is closed.
- This embodiment of the invention is advantageous because a simple conversion of the machine is possible. Furthermore, a spacer and a seal can advantageously be present between the connecting piece and the compression device or the suction device, which allow an alignment and a sealing of the compacting device or the suction device.
- the compacting device or the suction tube device are held detachably and pivotably about an axis by a holder of the multi-nozzle connection.
- the holder may be comprised of two spaced support members, wherein the compression device has two side elevations and the suction tube device comprises a round connection element for connection to the spaced support members. It can be a clip connection.
- the suction device can take two positions, wherein in an upper position, the suction tubes are aligned perpendicular to the suction channel or in alignment with the multi-nozzle connection and in a lower position the suction tubes compared to the upper position are inclined downwards.
- the holding elements can be advantageously attached to a holding profile of the textile machine.
- the object is also achieved by a textile machine, which is in particular a ring spinning machine, characterized in that it has a multi-nozzle connection according to the invention.
- a compression device which comprises the following features can be connected to the multiple nozzle connection
- Two suction drums wherein in each case a suction drum is assigned to an output roller pair of a drafting unit of the textile machine, wherein the pair of output rollers consists of an output sub-roller and an output top roller;
- suction drums are rotatably mounted on a, fixed to a support member shaft with a bearing;
- suction drums each have a drive element which forms a drive connection with the output lower roller in the operating position
- each one suction drum is associated with the pair of output rollers of a drafting unit
- an extraction device can be connected to the multi-nozzle connection as an alternative, the following features comprising two spaced-apart suction tubes which are interconnected by at least one connecting element; and a central plate with which a central port of the connecting piece is closable.
- the compression device or the suction tube device are further releasably and pivotally held about the axis by the holder of the multi-nozzle connection, wherein the holder consists of two spaced-apart elements and can be fastened to a holding profile, whereby the suction tube device can assume two different positions.
- the invention also relates to a method for releasably securing the compression device or the suction tube device to the multi-nozzle connection of a ring spinning machine.
- FIG. 1 ARIEF DESCRIPTION OF THE FIGURES The invention will be explained in more detail with reference to the attached figures, in which: FIG
- FIG. 1 shows a schematic side view of a spinning station of a ring spinning machine
- Fig. 2 shows an inventive multi-nozzle connection with connected
- Fig. 3 shows an inventive multi-nozzle connection with connected
- Fig. 4 shows a section through the multi-nozzle connection with connected
- Ways to carry out the invention 1 shows a schematic side view of a spinning station 1 of a spinning machine (ring spinning machine) with a drafting unit 2, which is provided with an input roller pair 3, 4, a middle roller pair 5, 6 and a pair of output rollers 7, 8.
- a strap 12, 13 out To the center rollers 5, 6 is in each case a strap 12, 13 out, which are each held around a cage, not shown in detail in its illustrated position.
- the upper rollers 4, 6, 8 of said pairs of rollers are designed as pressure rollers which are rotatably mounted on the axes 4a, 6a, 8a on a pivotally mounted pressure arm 10.
- a pressure arm 10 is assigned to two adjacent drafting unit units 2 (twin drafting system).
- the pressure arm 10 is pivotally mounted about an axis 15 and, as shown schematically, acted upon by a spring element 9.
- This spring element may for example also be an air hose.
- the rollers 4, 6, 8 pressed against the lower rollers 3, 5 and 7 of the roller pairs.
- the roller pairs 3, 5, 7 are driven by a drive, not shown.
- individual drives, as well as other forms of drive can be used.
- about the driven lower rollers 3, 5, 7, the pressure rollers 4, 6, 8, and the belt 13 are driven via the belt 12 via friction.
- the peripheral speed of the driven roller 5 is slightly higher than the peripheral speed of the driven roller 3, so that the drafting unit 2 supplied fiber material 1 1 in the form of a fuse between the input roller pair 3, 4 and the middle roller pair 5, 6 is subjected to a pre-delay.
- the main delay of the fiber material 1 1 takes place between the middle roller pair 5, 6 and the pair of output rollers 7, 8, wherein the output roller 7 has a substantially higher peripheral speed than the center roller 5.
- the drawn from the respective output roller pair 7, 8 stretched fiber material 1 1 is deflected downward and enters the region of a suction zone 16 of a subsequent suction drum 17, which is part of the inventive compression device 46b.
- the respective suction drum 17 is provided with perforations or openings 39 extending on its circumference.
- a pinch roller 18 is provided for each of the suction drums 17, which rests on the respective suction drum 17 via a pressure load and forms a nip line therewith.
- the respective pinch roller 18 is rotatably mounted on an axle 19, which in a Guide slot 20 of a U-shaped receptacle of a pressure arm 21 is held.
- the axis 19 is slidably mounted transversely to its longitudinal axis within the guide slot 20.
- a plunger which rests on the outer circumference of the axis 19 and is acted upon by a compression spring 22 shown schematically.
- the opening is approximately centrally mounted at the end of the guide slot 20 and opens into a substantially closed cavity of the pressure arm 21, in which the compression spring 22 is arranged. This is supported on the closed end of the cavity and lies with the opposite end on a head of the plunger.
- the pressure arm 21 is pivotally mounted about a, attached to its end axis in a bearing element. In this pivotal position, the axes are held transversely to its pivot axis at the end of a respective guide via a stop edge shown schematically in Figure 1.
- pinch rollers 18 are loaded against the respective suction drum 17, wherein the nip arises.
- the pressure arm 21 is pivoted over dead center until it rests on a stop. In this position, the axis 19 of the pinch rollers 18 is below the plane passing through the pivot axis and the center axis of the suction drums 17, i. the pinch roller 33 is held in this position over dead center. Further details regarding the attachment and design of pinch rollers 18 can be found in CH705308.
- the pressure lever 10 is pivoted about its pivot axis 15 from a dashed upper position into a lower position in which a, by means of screws 23 on the pressure lever 10 fixed leaf spring 24 and the leaf spring 25 fixed to the web a compressive force on the compression device 46b is exerted in the direction of the roller 7.
- a drive element 40 described below the suction drum 17 connected thereto is driven by the roller 7 via friction.
- the fiber material 1 1 warped and discharged by the drafting unit 2 is fed to the following suction zone 16 of the respective suction drum 17 and compacted in a known manner under the influence of the generated suction air flow. be brought as described and described for example in DE4426249.
- a negative pressure source 26 is provided which communicates with a central suction channel 27.
- the suction channel 27 is connected via a line 28, a flexible multi-nozzle connection 29 with the respective, projecting in the direction of the suction channel 27 end of the suction channel 31 of the compression device 46b in connection. Due to the flexibility of the multi-nozzle connection 29, the pivotability of the compression device 46b about an axis is made possible.
- the compression device 46b has for this purpose two lateral emphasis 30, which engage in a explained with reference to FIG. 2 holder.
- the schematically illustrated multiple nozzle connection 29 can be designed in such a way that when joining two half shells it is connected in a form-fitting manner and in the outside tightly with a formed suction channel 31.
- the construction and assembly of the half-shells in such a support element are known from WO2012068692A1.
- the spinning machine can advantageously be retrofitted with the compacting device 46b.
- the structure, mode of operation and advantages of the multi-nozzle connection 29 according to the invention are explained in more detail in FIG.
- the nip line generated by the pinch roller 18 at the same time forms a so-called "rotation lock nip", from which the fiber material 11 is fed in the conveying direction in the form of a compressed yarn 32 with rotation of a schematically shown ring spinning device
- the yarn is wound on a sleeve 35 to form a bobbin 36.
- a yarn guide 37 is arranged between the clamping line and the runner 34.
- the ring 33 is fastened to a ring frame 38 which is fixed during the movement
- Spinning process performs an up and down movement.
- FIG. 2 and FIG. 3 show the multi-nozzle connection 29 according to the invention. It serves for the alternative connection of a compression device 46b, as shown in FIG. has been explained in connection with a ring spinning machine, or for connecting a suction pipe 46a to the suction channel 27 of the ring spinning machine.
- the multi-nozzle universal port 29 has a port 42 with three juxtaposed ports 43 which are used depending on the device connected. Between the ports 43 and the pre-seal device or suction tube device 46a are an adapter 44 which can be connected to the ports 43 of the port 42 and a seal 45.
- the compression device 46b is connectable to the center port 43, the lateral connections 43 are closed.
- a suction tube device 46a is connectable to the lateral ports 43, in which case the central port 43 is closed by a plate 48.
- the compression device 46b (FIGS. 1, 3) and the suction tube device 46a (FIG. 2) are detachably held by a holder of the multi-nozzle connection 29.
- the holder consists in the embodiment shown of two spaced holding elements 49.
- the suction tube 46a engages with the round connecting element 50 in the spaced holding elements 49, there is a releasable connection, such as a clip connection.
- the holding elements 49 are fastened to a holding profile 51 of the textile machine and at the same time hold the adapter or spacer 44 firmly.
- FIG. 3 shows the multi-nozzle connection 29 according to the invention with a connected compression device 46b, as has been explained in connection with a ring spinning machine in FIG.
- the universal multi-nozzle connection 29 corresponds to the embodiment of FIG. 2, it has the three connecting pieces 42 with the three juxtaposed connections 43.
- an adapter Spacer 44 Between the ports 43 and the pre-seal device or suction tube device 46a is an adapter Spacer 44, which can be connected to the terminals 43 of the connecting piece 42, and a seal 45.
- the compacting device 46b has two lateral protrusions 30 which engage in the two elements 49 of the holder.
- the compression device 46b can be connected to the middle connection 43, in which case the lateral connections 43 are closed by plates 48.
- FIG. 4 shows a section AA through the multi-nozzle connection 29 with connected suction device according to FIG. 2.
- the compression device 46b and the suction tube device 46a are pivotable about the aforementioned axis and can thus be detachably fastened to the connection nozzle 42 by a rotational or tilting movement become.
- the suction device 46a By two locking lugs 52, the suction device 46a occupy two positions, wherein in an upper position, the suction tubes 47 are aligned perpendicular to the suction channel or in alignment with the multi-nozzle connection and in a lower position, the suction tubes 47 slightly inclined downwards compared to the upper position are (not shown).
- the inventive embodiment is advantageous because a simple conversion of the machine is possible.
- the invention also relates to a method for releasably securing the compression device 46b or the suction tube device 46a to the multi-nozzle connection 29 of a textile machine, in particular ring spinning machine.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH01031/17A CH714068A1 (de) | 2017-08-17 | 2017-08-17 | Mehrfachdüsenanschluss einer Textilmaschine und Textilmaschine. |
PCT/IB2018/055406 WO2019034946A1 (de) | 2017-08-17 | 2018-07-20 | Mehrfachdüsenanschluss einer textilmaschine, textilmaschine und verfahren zum betreiben einer textilmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3669021A1 true EP3669021A1 (de) | 2020-06-24 |
EP3669021B1 EP3669021B1 (de) | 2021-09-01 |
Family
ID=63244656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18755914.1A Active EP3669021B1 (de) | 2017-08-17 | 2018-07-20 | Mehrfachdüsenanschluss einer textilmaschine, textilmaschine und verfahren zum betreiben einer textilmaschine |
Country Status (6)
Country | Link |
---|---|
US (1) | US20210156052A1 (de) |
EP (1) | EP3669021B1 (de) |
JP (1) | JP2020531701A (de) |
CN (1) | CN110997993A (de) |
CH (1) | CH714068A1 (de) |
WO (1) | WO2019034946A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018005732A1 (de) * | 2018-07-20 | 2020-01-23 | Saurer Technologies GmbH & Co. KG | Fadenspannungsbeeinflussungseinrichtung für eine Zwirn- oder Kabliermaschine |
JP7525523B2 (ja) * | 2019-06-19 | 2024-07-30 | ヘーベルライン・テクノロジー・アクチェンゲゼルシャフト | 織物機械のためのノズルシステム、迅速固定システムのためのねじシステムおよびノズルシステムを有する織物機械 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10050089C2 (de) | 2000-03-08 | 2002-06-27 | Zinser Textilmaschinen Gmbh | Streckwerk für eine Spinnereimaschine |
JPS6094625A (ja) * | 1983-10-26 | 1985-05-27 | Mitsubishi Rayon Co Ltd | 特殊スラブヤ−ンの製法 |
DE9015353U1 (de) * | 1990-11-08 | 1991-03-07 | Maschinenfabrik Rieter Ag, Winterthur | Vorrichtung zum Absaugen von Fasermaterial, Flusen o.dgl. an Textilmaschinen |
DE4426249C2 (de) | 1994-07-25 | 2003-08-07 | Rieter Ag Maschf | Spinnverfahren und Spinnmaschine mit abgedeckter Saugwalze am Streckwerk |
DE19861404B4 (de) | 1998-03-31 | 2009-12-10 | Spindelfabrik Suessen Gmbh | Vorichtung zum Verdichten eines verstreckten Faserverbundes |
DE19815050B4 (de) | 1998-04-03 | 2005-09-22 | Saurer Gmbh & Co. Kg | Verdichtungsstreckwerk für eine Spinnmaschine |
JP2000034629A (ja) * | 1998-07-15 | 2000-02-02 | Toyota Autom Loom Works Ltd | 紡機における集中集綿装置の集綿制御装置 |
DE10018480A1 (de) | 2000-04-14 | 2001-10-18 | Stahlecker Fritz | Vorrichtung zum Verdichten eines Faserverbandes |
DE10061405A1 (de) * | 2000-12-09 | 2002-06-13 | Rieter Ag Maschf | Vorrichtung zum Absaugen von Verunreinigungen in einer Textilmaschine |
DE10227463C1 (de) | 2002-06-20 | 2003-10-16 | Zinser Textilmaschinen Gmbh | Ringspinnmaschine mit Streckwerken und Verdichtungsvorrichtungen |
ES2215487B1 (es) | 2004-03-11 | 2005-08-01 | Pinter, S.A. | Dispositivo de accionamiento para los mecanismos de condensacion de fibras en trenes de estiraje de maquinas de hilatura. |
JP4419703B2 (ja) | 2004-06-22 | 2010-02-24 | 株式会社豊田自動織機 | 紡機における繊維束集束装置 |
CN100462488C (zh) | 2004-06-23 | 2009-02-18 | 倪远 | 紧密纺纱须条凝聚的方法和装置 |
CN2851298Y (zh) | 2005-11-04 | 2006-12-27 | 倪远 | 环锭精纺机紧密纺纱装置 |
CN101275316B (zh) * | 2008-01-22 | 2010-07-14 | 宁波德昌精密纺织机械有限公司 | 一种紧密纺的吸风装置 |
CH699713A2 (de) * | 2008-10-13 | 2010-04-15 | Rieter Ag Maschf | Spinnmaschine mit Fadenabsaugeinrichtung. |
CN201416061Y (zh) * | 2009-06-02 | 2010-03-03 | 杭州中亚布艺有限公司 | 纱线机专用吸尘器 |
CH704137A1 (de) * | 2010-11-26 | 2012-05-31 | Rieter Ag Maschf | Vorrichtung zum Verdichten eines Faserverbandes an einer Spinnmaschine sowie Spinnmaschine. |
CH704133A2 (de) * | 2010-11-26 | 2012-05-31 | Rieter Ag Maschf | Vorrichtung zum Verdichten eines Faserbandes an einer Spinnmaschine. |
ITMI20110585A1 (it) * | 2011-04-08 | 2012-10-09 | Savio Macchine Tessili Spa | Sistema per la raccolta e il ricupero degli sfridi di roccatura |
JP2013079478A (ja) * | 2011-09-21 | 2013-05-02 | Murata Mach Ltd | ドラフト装置、紡績ユニット及び紡績機 |
JP2014231654A (ja) * | 2013-05-29 | 2014-12-11 | 株式会社豊田自動織機 | 紡機のニューマ装置 |
CN105463639A (zh) * | 2015-12-31 | 2016-04-06 | 湖州南浔石淙盛艳丝绸有限公司 | 具有收尘系统的纺织机 |
CN107354546B (zh) * | 2017-08-04 | 2020-05-15 | 南通德和布业有限公司 | 一种纺织机纺织尘收集装置 |
-
2017
- 2017-08-17 CH CH01031/17A patent/CH714068A1/de not_active Application Discontinuation
-
2018
- 2018-07-20 WO PCT/IB2018/055406 patent/WO2019034946A1/de unknown
- 2018-07-20 CN CN201880054162.XA patent/CN110997993A/zh active Pending
- 2018-07-20 JP JP2020508504A patent/JP2020531701A/ja not_active Withdrawn
- 2018-07-20 US US16/639,346 patent/US20210156052A1/en not_active Abandoned
- 2018-07-20 EP EP18755914.1A patent/EP3669021B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
EP3669021B1 (de) | 2021-09-01 |
CN110997993A (zh) | 2020-04-10 |
US20210156052A1 (en) | 2021-05-27 |
CH714068A1 (de) | 2019-02-28 |
JP2020531701A (ja) | 2020-11-05 |
WO2019034946A1 (de) | 2019-02-21 |
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