CN110462120A - Feed slot and feeding means - Google Patents
Feed slot and feeding means Download PDFInfo
- Publication number
- CN110462120A CN110462120A CN201880024231.2A CN201880024231A CN110462120A CN 110462120 A CN110462120 A CN 110462120A CN 201880024231 A CN201880024231 A CN 201880024231A CN 110462120 A CN110462120 A CN 110462120A
- Authority
- CN
- China
- Prior art keywords
- feed slot
- elastic lip
- feeding means
- support bar
- lip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
- D01G15/02—Carding machines
- D01G15/12—Details
- D01G15/40—Feeding apparatus
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
- D01G15/02—Carding machines
- D01G15/12—Details
- D01G15/14—Constructional features of carding elements, e.g. for facilitating attachment of card clothing
- D01G15/20—Feed rollers; Takers-in
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G31/00—Warning or safety devices, e.g. automatic fault detectors, stop motions
- D01G31/003—Detection and removal of impurities
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G9/00—Opening or cleaning fibres, e.g. scutching cotton
- D01G9/14—Details of machines or apparatus
- D01G9/16—Feeding arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
The present invention relates to the feed slots (5) for being used for feeding means (4), the feeding means is for fibre bundle to be fed in spinning preparation machine, the feed slot includes main body (13) and at least one elastic lip (15), and the elastic lip extends on the working width of the feed slot (5).According to the present invention, support bar (16) is arranged on described matrix (13), the support bar extends along the working width, the support bar (16) and the elastic lip (15) are spaced apart, and the distance, which enables, eliminates the distance by the flexible deformation of the elastic lip (15).The invention further relates to the feeding means (4) for being fed to fibre bundle in spinning preparation machine, the feeding means includes feeding roller (6) and the feed slot (5) according to foregoing description.
Description
Technical field
The present invention relates to the feed slot of the feeding means for being fed to fibre bundle in spinning preparation machine, the feed slots
Including matrix and at least one elastic lip, the elastic lip extends along the working width of the feed slot, and the present invention
It is related to the feeding means for being fed to fibre bundle in spinning preparation machine comprising feeding roller and feed slot.
Background technique
The feed slot of feeding means is widely known for from 0 926 274 A2 of EP.Feed slot can elasticity with gap formation
Deformation element, the element are secured to support component.Preferably, at least biggish foreign matter will not penetrate into the Hookean region
In.Elastic edge region upstream of this foreign matter between the gap-forming element and feeding roller has been captured.Then,
Feed slot overcomes the bias of spring to rotate as a whole around axis.The fact is detected by sensor, and wherein foreign matter is detected.
Then, the driver that the detection of foreign matter can lead to feeding roller stops and/or triggering alarm device.Therefore, foreign matter will not reach bullet
Property region.
One of above-mentioned feed slot is the disadvantage is that, entire feed slot allows for rotating about the axis.Due to being formed by gap
The gap that element is formed must have accurate width to grasp the fibrous material for being in expectation thickness, therefore feed slot also must
It must be accurately positioned.In conjunction with the feed slot that can be rotated about the axis, it means that sizable engineering complexity.
Summary of the invention
Therefore the purpose of the present invention is to provide a kind of feed slot, it is reported as precisely as possible that the feed slot has gap
Width, and at the same time needing seldom engineering complexity.
The purpose is realized by the feed slot and feeding means of the feature with independent claims.
Propose a kind of feed slot of feeding means for being fed to fibre bundle in spinning preparation machine.Spinning preparation machine
It can be carding machine or carding machine or cleaner.Feed slot has main body and at least one elastic lip, the elastic lip edge
The working width of the feed slot extends.Elastic lip forms gap between the feeding roller of feeding means at its own.
According to the present invention, support bar is set on the matrix, and the support bar extends along the working width.It is described
Support bar is configured to have distance with the elastic lip, and the distance enables to be disappeared by the flexible deformation of the lip
Except (close) distance.If there is no support bar, then very big foreign matter can make elastic lip deform so big,
So that elastic lip deforms more than elastic range and then no longer returns back to its previous shape.Support bar prevents such case
And so that realizing the longer maintenance of life of elastic lip as far as possible.It is accordingly used in the moving element for preventing from excessively extending
Be not necessary, this meeting so that engineering complexity it is lower and simplify elastic lip installation and replacement.
Advantageously, the elastic lip is formed from steel, is especially made of chromium steel, this is because these materials have it is good
Elasticity and have good elastic strength.Chromium steel or corrosion resistant.Wall thickness of the elastic lip at its front end is preferred
Ground is between 1.0 mm and 4.0 mm and especially preferably between 1.5 mm and 2.0 mm, because this provides necessary elasticity
Intensity.
Advantageously, support bar is made of aluminum, because being provided for high-dimensional stability and having low weight.
Elastic lip and support bar enclose chamber, wherein the chamber enables elastic lip to move.It is described in order to prevent
Chamber is contaminated, and sealing element is advantageously placed between elastic lip and support bar.The sealing element is deformable to it in elastic lip
The degree that can be overly compressed during the deformation in portion.
Advantageously, spacer block item is arranged between the main body of the feed slot and the elastic lip.This makes it possible to
Be arranged in matrix between elastic lip at a distance from, the distance is optimal for the grasping of fibrous material.In order to make
It obtains the distance and is suitable for different fibre lengths, the spacer block item is preferably interchangeable and/or adjustable.For being more than
The especially big fibre length of about 28 mm can also then be saved except spacer block item completely.
It is further advantageous that contact surface is related to the support bar, and the feed slot has for detecting the elasticity
The electrical and/or electronics of contact between lip and the contact surface connects.When there are meetings when hard foreign matter in fibrous material
Occur between elastic lip and contact surface it is this contact, the hard foreign matter can elastic lip be deformed to it just to contact
The degree of contact surface.Therefore, which shows that there are hard foreign matters in fibrous material.
If detecting this contact and therefore detecting hard foreign matter, sound and/or visual alarm can trigger with it
To operator's warning, there are foreign matters.In addition, the feeding roller of feeding means preferably automatically stops, so that foreign matter will not be
It further advances below elastic lip and therefore may cause damage feeding means.In addition, then feeding roller can be toward convolution
Turn can determine in advance or scheduled angle, thus foreign matter is back transmitted and simplified by operator the shifting of foreign matter
It removes.
Advantageously, the elastic lip is electrically insulated from the contact surface.Then, elastic lip and contact surface can quilts
It is set as the both ends with the disconnecting circuit of voltage source and current measuring device.It, should if elastic lip contacts contact surface
Closing of circuit and flow electric current measured by current measuring device.
Alternatively, settable piezoelectric element, the piezoelectric element are attached to the elastic lip and/or connect to described
Touch surface.Piezoelectric element is also cheap, reliable and largely non-maintaining.In elastic lip and contact surface
Between deposit in case of contact, then pressure is applied on piezoelectric element, this then generates the electricity by sensor system senses
Pressure.
In the advantageous development of feed slot, feed slot have along its working width at least two sections, elastic lip with
Each section is related.This simplifies the adjustings in the gap generated by elastic lip, this is because no longer whole it is necessary to be arranged in
Constant gap width on a working width.
Advantageously, piezoelectric element is related to each section, or elastic lip relevant to individual section is electrically insulated from each other
And it is related to isolated circuit.It is therefore possible to be accomplished that, foreign matter is detected separately in each section.If this is indicated to
Operator, then simplify the search of foreign matter, and therefore can quickly remove foreign matter and can continue to produce more quickly.
Feed slot is implemented according to foregoing description, it is possible to so that cited feature is independently present or with any combination
In the presence of.
It also proposed a kind of feeding means for fibre bundle to be fed in spinning preparation machine, spinning preparation machine is especially
Carding machine, carding machine or cleaner.The feeding means has feeding roller and above-mentioned feed slot.Therefore, feed slot especially has
Have matrix, along feed slot working width extend at least one elastic lip and along the working width extend support bar.
It reduce engineering complexity and be conducive to the adjusting of elastic lip.
The above-mentioned advantageous development of feed slot also confirms that the feeding means for being conducive to have feed slot.
Detailed description of the invention
Attendant advantages of the invention are described in following exemplary embodiments.In the accompanying drawings:
Fig. 1 shows the schematic side elevation of carding machine；
Fig. 2 shows the schematic side elevations of feeding means；
Fig. 3 shows the schematic side elevation of another feeding means；
Fig. 4 shows the schematic side elevation of another feeding means；
Fig. 5 shows the schematic side elevation of another feeding means；And
Fig. 6 shows the front schematic view of feed slot.
Specific embodiment
Fig. 1 shows the schematic side elevation of carding machine 1.Fiber conveys from left to right in carding machine 1.Fiber mat 2
Transmission is then into feeding means 4 first in feed plate 3.Feeding means 4 has feed slot 5, the feed slot and feeding
Roller 6 cooperates.The fiber mat 2 for being grasped in feed slot 5 and feeding between roller 6 is then fed into feed roller 7.
Non-woven fibre continues to cylinder 8 from feed roller 7, and is further located between cylinder 8 and cover board 9
Reason, the cover board are shown highly diagrammatically here.Then, non-woven fibre is removed and is transmitted to from pattern doffing roller 10
It is compacted unit 11, non-woven fibre is compacted into sliver 12 at the compacting unit.
Fig. 2 shows the schematic side elevations of feeding means 4 according to the present invention.The feeding means 4 can be such as Fig. 1 institute
A part of the carding machine 1 shown, but its a part for being also possible to carding machine or cleaner.Feeding means 4 has feed slot 5
With feeding roller 6.Further it is shown that a part of feed roller 7.
Feed slot 5 has main body 13, which is partly protected by protective plate 14 to prevent from wearing.Elastic lip 15 is set
It is set to the fiber that makes it possible to grasp and be located between the elastic lip and the feeding roller 6.Support bar 16 is arranged on institute
It states on the side of separate feeding roller 6 of elastic lip 15.Elastic lip 15 can be resiliently deformed to it and contact support bar 16
Degree.By means of support bar 16, the further deformation of elastic lip 15 is eliminated, the further deformation is, for example, by fiber
Caused by hard foreign matter in material.Therefore, elastic lip 15 will not be especially deformed in the region where permanent deformation occurs.Cause
This, is always to ensure that the reply of elastic lip 15 to its original shape and position.
Alternative exemplary embodiment it is described below in, identical appended drawing reference is used for and other embodiments are at it
Construction and/or mechanism of action in terms of it is identical and/or it is at least comparable compared with feature.In the journey that feature is not explained in detail again
On degree, the construction and/or mechanism of action of the feature correspond to the construction and/or effect machine in the feature having been described above
System.
In exemplary embodiment as shown in Figure 3, spacer block item 17 is arranged on the main body 13 and elastic lip of feed slot 5
Between 15.The spacer block item 17 is implemented as adjustable linkage mechanism 18, so that matrix 13 and elasticity can be easily adjusted
The distance between lip 15.By changing the distance between matrix 13 and elastic lip 15, feed slot 5 can be directed to different fibers
Length is optimised.
In addition, the sealing element 19 that can be easily deformed is arranged on elastic lip 15 and support in the feed slot 5 of Fig. 3
Between item 16.Between the sealing element 19 closes the gap 20 between elastic lip 15 and support bar 16, and therefore protection is somebody's turn to do
Gap is from pollution, especially from flying suede.
Fig. 4 shows additional feeding means 4.Although spacer block item 17 is uncontrollable in this exemplary embodiment,
It is interchangeable to be that the spacer block item is designed to, so that can be realized using different spacer block items 17 in matrix 13 and elastic lip
Different distance between 15.The distance is suitable for corresponding fibre length, and even can in the case where very long fiber
Fully to save except spacer block item 17.
In addition, the feeding means 4 of Fig. 4 be implemented as so that, by means of the contact surface of elastic lip 15 and support bar 16
Contact between 21 can detecte the hard foreign matter being located in fibrous material.For this purpose, electrical insulation 22 is by elastic lip 15
It insulate from support bar 16.In electric circuit, elastic lip 15 is connected to branch via voltage source 23 and current measuring device 24
Stay 16.Since elastic lip 15 is electrically insulated from support bar 16, which is normally opened and current measuring device 24
Electric current is not measured.But if elastic lip 15 is deformed to such as its contact surface 21 for contacting support bar 16 by hard foreign matter
Degree, then closing of circuit and electric current flowing, the current measuring device 24 measures the electric current.Sealing element 19 is arranged to
Sufficiently flexible allows it to be overly compressed and does not damage the contact.
With the contact of contact surface 21 and therefore in order to report that report detects foreign matter, current measurement dress to elastic lip 15
It sets 24 and is connected to sound and/or optical alarm 25, there are foreign matters to operator's warning.
Advantageously, current measuring device 24 is further attached to control device 26, the control device when detecting foreign matter
Stopping the feeding roller 6 is further penetrated through foreign matter no longer, thus prevents the foreign matter from leading to any main damage.Especially
Advantageously, control device 26 rotates the feeding roller back enough to remote after feeding roller 6 has stopped
So that the foreign matter below elastic lip 15 comes out and can be easily removed by operator.
In exemplary embodiment as shown in Figure 5, detected by piezoelectric element 27 elastic lip 15 with contact
Contact between surface 21.In this case, piezoelectric element 27 is arranged in the contact surface 21 of support bar 16, but it is also
It may be provided on elastic lip 15.After being in contact between elastic lip 15 and contact surface 21, pressure is applied to pressure
Electric device 27, so as to cause there are voltages between two electrodes of piezoelectric element 27.The voltage is measured and thus detects
The contact.
In this exemplary embodiment, feed slot 5 is shown as not having spacer block item, and the spacer block item is for especially length
It is optional for fibre length.
Finally, Fig. 6 shows the front schematic view of feed slot 5.Elastic lip 15 be divided into four sections 15.1,
15.2,15.3 and 15.4.As will be easily understood, the section of different number is also possible.Individual section is than single bullet
Property lip 15 is shorter and therefore can preferably be conditioned on its width.
The separate section of elastic lip 15 is also electrically insulated from each other.For this purpose in the region at separate section place adjacent to each other
Middle application insulating layer 28, for the sake of clarity, only one insulating layer is provided with appended drawing reference.Individual section is via phase
The current measuring device answered is connected to voltage source.If can therefore recognize the foreign matter institute there are foreign matter in fiber mat
The section being located at.This is preferably reported to operator, is somebody's turn to do so that operator can search in the correct section immediately
Foreign matter and then remove the foreign matter.
The present invention is not limited to the exemplary embodiment being shown and described.It modifies within the scope of the claims
Also be all it is possible, the combination of feature is also that the possible or even described feature is shown simultaneously in different exemplary embodiments
Description is also such.
Reference signs list
1 carding machine
2 fiber mats
3 feed plates
4 feeding means
5 feed slots
6 feeding rollers
7 feed rollers
8 cylinders
9 cover boards
10 pattern doffing rollers
11 compacting units
12 slivers
13 matrixes
14 protective plates
15 elastic lips
The section of 15.1-15.4 elastic lips
16 support bars
17 spacer block items
18 linkage mechanisms
19 sealing elements
20 gaps
21 contact surfaces
22 electrical insulations
23 voltage sources
24 current measuring devices
25 alarm devices
26 control devices
27 piezoelectric elements
28 insulating layers
Claims (12)
1. one kind is used for the feed slot (5) of feeding means (4), the feeding means is used to fibre bundle being fed to spinning preparation machine
In, the feed slot includes matrix (13) and at least one elastic lip (15), and the elastic lip is along the feed slot (5)
Working width extends, which is characterized in that support bar (16) is arranged on described matrix (13), and the support bar is along the work
Width extends, and the support bar (16) is configured to have distance with the elastic lip (15), and the distance to pass through institute
The flexible deformation for stating elastic lip (15) can eliminate the distance.
2. feed slot (5) according to claim 1, which is characterized in that the elastic lip (15) is formed from steel, especially
It is made of chromium steel, wall thickness of the elastic lip (15) at its front end is preferably between 1.0 mm and 4.0 mm.
3. feed slot (5) according to any one of the preceding claims, which is characterized in that the elastic lip (15) by
Steel is made, is especially made of chromium steel, and wall thickness of the elastic lip (15) at its front end is preferably in 1.5 mm and 2.0 mm
Between.
4. feed slot (5) according to any one of the preceding claims, which is characterized in that the support bar (16) is by aluminum
At.
5. feed slot (5) according to any one of the preceding claims, which is characterized in that sealing element (19) is arranged on institute
It states between elastic lip (15) and the support bar (16).
6. feed slot (5) according to any one of the preceding claims, which is characterized in that spacer block item (17) is arranged on institute
It states between matrix (13) and the elastic lip (15), the spacer block item is preferably interchangeable and/or adjustable.
7. feed slot (5) according to any one of the preceding claims, which is characterized in that contact surface (21) and the branch
Stay (16) is related, and the feed slot (5) have for detect the elastic lip (15) and the contact surface (21) it
Between contact electrical and/or electronics connection.
8. feed slot (5) according to any one of the preceding claims, which is characterized in that the elastic lip (15) is from institute
State contact surface (21) electrical isolation.
9. feed slot (5) according to any one of claim 1 to 5, which is characterized in that piezoelectric element (27) are provided with,
The piezoelectric element is attached to the elastic lip (15) and/or arrives the contact surface (21).
10. feed slot (5) according to any one of the preceding claims, which is characterized in that the feed slot (5) has
Along at least two sections (15.1-15.4) of its working width, elastic lip (15) and each section (15.1-15.4) phase
It closes.
11. feed slot (5) according to claim 10, which is characterized in that piezoelectric element (27) and each section (15.1
- 15.4) related, and/or elastic lip (15) relevant to individual section (15.1-15.4) be electrically insulated from each other and with
Individual circuit is related.
12. a kind of for fibre bundle to be fed to the feeding means in spinning preparation machine, the feeding means includes feeding roller
(6) and feed slot according to any one of the preceding claims (5).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH00505/17 | 2017-04-13 | ||
| CH00505/17A CH713690A1 (en) | 2017-04-13 | 2017-04-13 | Food trough and feeding device. |
| PCT/IB2018/052081 WO2018189607A1 (en) | 2017-04-13 | 2018-03-27 | Feed trough and feeding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110462120A true CN110462120A (en) | 2019-11-15 |
| CN110462120B CN110462120B (en) | 2022-06-07 |
Family
ID=61952751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880024231.2A Active CN110462120B (en) | 2017-04-13 | 2018-03-27 | Feed tank and feed device |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3610059A1 (en) |
| CN (1) | CN110462120B (en) |
| CH (1) | CH713690A1 (en) |
| WO (1) | WO2018189607A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH719122A1 (en) * | 2021-11-05 | 2023-05-15 | Rieter Ag Maschf | Pincer unit for a combing machine. |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191414658A (en) * | 1914-06-18 | 1915-06-18 | George Marston Whitin | Improvements in Combing Machines. |
| FR1411766A (en) * | 1964-07-28 | 1965-09-24 | Cintas Rigidas Textiles | Control device for wicks and webs in spinning machines |
| US4222154A (en) * | 1977-07-18 | 1980-09-16 | Rieter Machine Works Ltd. | Fibre flock material feed apparatus for opening rolls |
| EP0436250A1 (en) * | 1989-12-21 | 1991-07-10 | FRATELLI MARZOLI & C. S.p.A. | Process and device for feeding a material in fibre form in a machine for preparing said material for the subsequent spinning, in particular an opener |
| EP0926274A2 (en) * | 1997-12-23 | 1999-06-30 | Maschinenfabrik Rieter Ag | Elastic feeding trough |
| US6163931A (en) * | 1998-12-02 | 2000-12-26 | Trutzschler Gmbh & Co. Kg | Feeding device for advancing fiber material to a fiber processing machine |
| CN1327057C (en) * | 2001-07-05 | 2007-07-18 | 特鲁菲舍尔股份有限公司及两合公司 | Device for cleaning and opening textile material, especially cotton at clearer, carding machine |
| CN102264960A (en) * | 2008-10-24 | 2011-11-30 | 里特机械公司 | Separation setting |
| CN105887250A (en) * | 2016-05-18 | 2016-08-24 | 中原工学院 | Novel combing-machine nipper mechanism |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2440223A1 (en) * | 1974-08-22 | 1976-03-04 | Fritz Stahlecker | Open end spinning machine - with fibre tow supply table mounted pivotally on adjustable cage |
| CN2673890Y (en) * | 2003-12-02 | 2005-01-26 | 欧阳俊青 | Cotton feeding plate having pressure sensing means |
| CN105951221B (en) * | 2016-07-13 | 2018-07-17 | 卓郎（常州）纺织机械有限公司 | A kind of carding machine segmented elasticity feed plate and preparation method thereof |
-
2017
- 2017-04-13 CH CH00505/17A patent/CH713690A1/en not_active Application Discontinuation
-
2018
- 2018-03-27 EP EP18717128.5A patent/EP3610059A1/en active Pending
- 2018-03-27 CN CN201880024231.2A patent/CN110462120B/en active Active
- 2018-03-27 WO PCT/IB2018/052081 patent/WO2018189607A1/en unknown
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191414658A (en) * | 1914-06-18 | 1915-06-18 | George Marston Whitin | Improvements in Combing Machines. |
| FR1411766A (en) * | 1964-07-28 | 1965-09-24 | Cintas Rigidas Textiles | Control device for wicks and webs in spinning machines |
| US4222154A (en) * | 1977-07-18 | 1980-09-16 | Rieter Machine Works Ltd. | Fibre flock material feed apparatus for opening rolls |
| EP0436250A1 (en) * | 1989-12-21 | 1991-07-10 | FRATELLI MARZOLI & C. S.p.A. | Process and device for feeding a material in fibre form in a machine for preparing said material for the subsequent spinning, in particular an opener |
| EP0926274A2 (en) * | 1997-12-23 | 1999-06-30 | Maschinenfabrik Rieter Ag | Elastic feeding trough |
| US6163931A (en) * | 1998-12-02 | 2000-12-26 | Trutzschler Gmbh & Co. Kg | Feeding device for advancing fiber material to a fiber processing machine |
| CN1327057C (en) * | 2001-07-05 | 2007-07-18 | 特鲁菲舍尔股份有限公司及两合公司 | Device for cleaning and opening textile material, especially cotton at clearer, carding machine |
| CN102264960A (en) * | 2008-10-24 | 2011-11-30 | 里特机械公司 | Separation setting |
| CN105887250A (en) * | 2016-05-18 | 2016-08-24 | 中原工学院 | Novel combing-machine nipper mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3610059A1 (en) | 2020-02-19 |
| CN110462120B (en) | 2022-06-07 |
| CH713690A1 (en) | 2018-10-15 |
| WO2018189607A1 (en) | 2018-10-18 |
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