EP2984224A1 - Verfahren zur herstellung einer industriebespannung und industriebespannung - Google Patents
Verfahren zur herstellung einer industriebespannung und industriebespannungInfo
- Publication number
- EP2984224A1 EP2984224A1 EP14715942.0A EP14715942A EP2984224A1 EP 2984224 A1 EP2984224 A1 EP 2984224A1 EP 14715942 A EP14715942 A EP 14715942A EP 2984224 A1 EP2984224 A1 EP 2984224A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- beads
- industrial
- fabric
- paths
- industrial voltage
- 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
- 239000004744 fabric Substances 0.000 title claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000011324 bead Substances 0.000 claims abstract description 41
- 229920000642 polymer Polymers 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 21
- 239000002861 polymer material Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 241000519995 Stachys sylvatica Species 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 239000002759 woven fabric Substances 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 5
- 230000035699 permeability Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000004745 nonwoven fabric Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 238000000678 plasma activation Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/12—Hygroscopic; Water retaining
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/413—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties containing granules other than absorbent substances
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
- D04H1/64—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/0027—Screen-cloths
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/0027—Screen-cloths
- D21F1/0036—Multi-layer screen-cloths
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
- D21F11/006—Making patterned paper
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2500/00—Materials for garments
- A41D2500/50—Synthetic resins or rubbers
- A41D2500/54—Synthetic resins or rubbers in coated form
Definitions
- the invention is based on a method for producing an industrial fabric, which can be used for example in various positions in a machine for producing a fibrous web such as a paper, board or tissue web or for the production of non-wovens, according to the preamble of claim 1, as well as of a manufacturable by means of such a process industry voltage according to the preamble of claim 5.
- Fabrics for large industrial installations such as paper machines or machines for the production of non-wovens products are usually made of a polymeric monofilament yarn from which, for example, by weaving or spirally winding a sheet is produced.
- the support structures support the fibrous web as it passes through the fibrous web machine.
- the surface structure of a fabric can be transferred to the paper web, so that a permanent structure in the finished product is visible.
- a significant disadvantage of using weft or warp yarns in making such topographical patterns is the complexity of the weave patterns to create a particular visual or structural impression. For the fabric manufacturing process, this means sacrificing manufacturing time efficiency, higher cost, design freedom and the balance between functionality and aesthetics of the fabric, as well as higher reject rates due to the complex patterns.
- Line-shaped patterns are also limited to machine direction, cross-machine direction or twill weave.
- patterns on the surface of clothing have also been produced by printing, for example, with a polymer which is applied to the clothing by means of various processes and fixed. It is known from EP2304104B1, for producing a topographic pattern of polymer material on an endless belt to use a rotary screen whose cylindrical surface has a topographic pattern defining Perforationsmuster, viewed in the circumferential direction of the lateral surface by a Perforationsmusterabêt or by several consecutive, to each other identical perforation pattern sections is formed.
- the polymer matehal is pressed in a liquid or pasty state through perforations of the peripheral surface of the rotary screen, while the rotary screen, rotating about its longitudinal axis, rolls on the peripheral side of the endless belt in a continuous circulating path.
- DE 10 2005 006 738 A1 also discloses a method in which a topographical pattern is produced by means of a rotary screen on a papermachine fabric.
- topographical weave patterns and printed patterns superimposed on the weave pattern are also known, for example from EP1242681 B1.
- the fabric comprises a load-bearing layer defining a first plane and a forming layer interwoven with the load-bearing layer defining a second plane spaced from the first plane, the upper side having a background texture defined by the load-bearing layer Layer and the mold layer is defined.
- a polymeric strand is disposed on the upper side in a decorative thread-like pattern with the background texture appearing where the pattern formed by the polymeric strand does not appear.
- a first process step the production of a sheet of yarns in the form of a fabric, Geleges, knitted fabric, knitted or made of interconnected spiralized elements.
- a second method step at least one polymer material is applied to at least one surface of the sheet in the form of at least one group of beads, wherein the polymer application starts at starting points and ends at end points remote from the starting points.
- This process step is repeated as often as desired, wherein end points of the at least one group of beads are spaced from starting points of at least one further group of beads, whereby blank regions between the groups on the surface of the sheet are produced.
- end points of the at least one group of beads are spaced from starting points of at least one further group of beads, whereby blank regions between the groups on the surface of the sheet are produced.
- all the caterpillars have a length which corresponds to at least twice their maximum width.
- the width of the bead can be taken, for example, the width of the surface of the fabric.
- the polymer is applied by means of at least one application nozzle. By applying a jet, both short and arbitrarily long beads can be applied without special technical effort.
- the polymer is applied by several application nozzles simultaneously. Any number of simultaneously operated application nozzles can be envisaged. In a particularly preferred embodiment, the polymer is applied by means of 5 to 100 application nozzles simultaneously.
- the plurality of application nozzles can be arranged, for example, in the cross machine direction next to each other and have a fixed distance from each other. This distance may be the same or different for all application nozzles. Advantageous distances between the application nozzles are between 0.5mm and 20mm.
- the application nozzles are controlled individually or in sets.
- a set comprises several, preferably between 2 and 50 applicator nozzles.
- An application nozzle can always only belong to a maximum of one set.
- the application nozzles of a set can either be directly adjacent be fixed distances to each other, such as every tenth or twentieth nozzle. But it is also possible that a set includes an irregular selection of application nozzles.
- the control of the application nozzles in sets has economic advantages. For example, to control 100 application nozzles grouped into 10 sets, only 10 valves are needed.
- An industrial covering according to the invention in particular covering for a machine for producing a fibrous web such as a paper, board or tissue web or a non-woven product is an industrial covering which has been produced by one of the methods according to the invention.
- the beads and / or the blank areas may be in the form of patterns or quasi-patterns.
- the beads are applied along paths.
- the individual paths run uniformly and in the cross machine direction next to each other. There is a gap between two adjacent paths, which remains essentially constant along the course of the path. Fluctuations can occur within the scope of manufacturing accuracy. In a particularly preferred embodiment, all distances between the paths are the same size.
- the paths are to be understood as grid lines on which the polymer beads are deposited. Some of the paths can be completely covered with polymer. Other paths contain one or more empty areas between the individual caterpillars. The possibility that individual paths remain entirely without polymer application can also be provided. Particularly preferably, the paths may be straight, wavy or jagged. However, other variants of a uniform course are conceivable. Preferably, the paths may be the full length of the scope of industrial equipment. There is also the possibility that the paths have an even greater length to multiple times the amount of industrial voltage. This is the case, for example, with a spiral circulation of the paths.
- a spiral course of the paths is conceivable, for example, in that the holder with the application nozzle or application nozzles is moved during the application in the cross-machine direction so that it is offset by one lathe in the cross-machine direction after one revolution of the industrial fabric.
- the pattern is made up of at least one digital image motif.
- a digital image motif is understood to mean a motif which, in analogy to conventional digital images, consists of a finite number of discrete color values.
- a digital image motif according to the invention is formed from caterpillars and empty areas. The caterpillars correspond to linear color spots and the empty areas white spots. If only one type of caterpillar is used, the digital picture will look like a black and white picture.
- the digital image motif is analogous to a digital image with multiple gray levels.
- the digital image has an extension in the machine direction and cross machine direction. It forms the core of the pattern.
- the pattern itself is created by a repetition of the at least one image motif. In a preferred embodiment, the pattern is created by tiling the entire surface of the industrial fabric, or at least portions thereof, through the digital image motif.
- the digital image motif extends in the cross-machine direction over at least two beads and / or empty regions or over at least two paths. In a particularly preferred embodiment, the digital image motif extends over at least three beads and / or empty regions or over at least three Paths and, in a most preferred embodiment, the digital image motif extends across at least five Caterpillars and / or empty areas or over at least five paths before a repetition of the motif begins.
- the extent of the digital image motif in the cross-machine direction is at most 10%, preferably at most 5% of the width of the industrial clothing is before a repetition of the motif begins.
- the digital image motif in the cross-machine direction is therefore significantly wider than a single bead.
- it is still small in the sense that it can often be placed across the width of the industrial fixture, for example more than 10 times or more than 20 times, compared to industrial fixturing.
- At least two types of beads which differ in at least one of the parameters material, cross-sectional shape and cross-sectional size, are applied to the industrial adhesive. These different beads can lead to different or different effects in the fibrous web. It can be used for functional or decorative purposes.
- a digital image motif which is constructed for example of empty areas as well as two types of caterpillars, can thus be understood as a three-color image motif.
- the polymer may be a silicone, a polyurethane, an epoxy resin or an ester.
- the substances mentioned are easy to handle in their workability and their durability and are available in large quantities.
- the polymer is connected in a form-fitting and / or materially bonded manner to the surface of the fabric. This ensures that the caterpillars adhere securely and the covering can be used for a long time without chipping off material.
- the beads are formed flush with a surface of Industriebschreib. This is particularly advantageous for forming fabrics for the production of watermarks.
- it can also be provided that the beads project beyond the surface of the industrial fabric in a z-direction. As a result, the embossed structuring of the fibrous web is more clearly visible.
- the height of the caterpillars in the z-direction is preferably up to 2 mm.
- the height of the beads in the z direction can be up to 5 mm. This makes it possible to create clear and sharply demarcated, deep in the fiber web embossed structures.
- a ratio between the height in the z-direction and the width of the beads may preferably be between 0.5: 1 and 2: 1, preferably 1: 1. Deviations from this can lead to instability of the caterpillars, damage and spalling, which can affect the quality of the final product.
- Paths are stored and the pattern is formed by repeating a digital image motif.
- the patterns 6 result from a regular repetition of a digital image motif 5.
- the image motif 5 consists of caterpillars 1 and empty regions 3 in each of the three figures.
- the caterpillars 1 are each deposited along paths 10 in FIGS. In Fig. 1 and Fig. 3, the paths are straight along the machine direction 7, in Fig. 2, the paths 10 jagged are also substantially in the machine direction 7.
- the paths 10 may also be wavy or in other forms.
- the paths 10 run at a slight angle to the machine running direction 7.
- the paths 10 spiral around several times around the industrial clothing.
- caterpillars 1 can then be stored, which are longer than the scope of industrial voltage.
- the paths 10 in FIG. 1 to FIG. 3 all have the same distance 4 from the respective neighboring path. The distance 4 remains constant even with the jagged paths 10 in Fig. 2 over the entire length of the path 10, apart from small fluctuations due to the production technology. But there is also the possibility that the paths 10 have different distances between them.
- FIGS. 2 and 3 also show embodiments according to the invention in which the beads 1 have different lengths. Empty areas 3 in the digital image motifs 5 arise due to interruptions 2 of the tracks 1.
- the digital image motif 5 has a width in the cross-machine direction of eight paths.
- FIG. 3 shows a digital image motif 5 with a width of five paths 10, no caterpillars 1 being deposited on a path 10.
- the industrial bonding can be, for example, a forming fabric, a press felt base fabric, a dryer fabric, a transfer belt or any other arbitrary Be covering.
- the said fabrics can be arranged in machines for producing a paper, board or tissue web or in machines for producing non-wovens in various positions. As already mentioned above, depending on the position, different requirements are placed on the covering, with regard to their water permeability, tensile strength, resilience, open volume, etc.
- the fabrics may be formed in a well-known manner in the form of woven or non-woven structures.
- the fabrics forming the fabrics are made by interweaving warp and weft yarns that intersect each other.
- coverings that consist entirely or partially of non-woven components such as laid, knitted or knitted are known and suitable for the application of the measures according to the invention.
- the fabrics may be made by spirally winding banded material or yarn sheets.
- the formation of clothing by the connection of spiral structures by means of plug wires is known, the latter being common especially in the field of dryer fabrics.
- the fabrics can be combined in a known manner with other components such as staple fiber layers or polymeric portions in the form of films or particles to further model the property profile.
- the pattern 6 or quasi-pattern which is applied repetitively or without specific repetition on at least one surface of the textile fabric, consists of beads 1 of a polymeric material such as silicone, polyurethane, epoxy resin or esters.
- Each of the beads 1 has a certain length L between a starting point and an end point of the respective bead 1.
- the interruptions 2 are in each case between end points of one or more caterpillars 1 and starting points of further caterpillars 1.
- the empty areas 3 can take on any shape, depending on how the spacing of the individual beads 1 is applied to each other. It can Pattern 6, quasi-patterns or arbitrary arrays of void areas 3 are generated.
- these empty areas 3 can then be provided with a further polymeric pattern, which can be, for example, a personalized motif or a logo.
- the pattern 6 can be selected according to aesthetic and / or useful aspects, which influence the latter, for example, the physical properties of the fiber web.
- the topography of the caterpillars 1 may vary depending on the particular area of application of the clothing as well as the thickness and grammage of the product.
- the caterpillars 1 can lie in the plane of the clothing surface or project them by a certain height in the z-direction of up to 5 mm.
- the width of the beads 1 depends on the height in the z-direction. Typically, the height to width ratio will range from about 0.5: 1, 0 to 2: 1. Usually, a ratio close to 1: 1 is preferred in order to ensure an optimal shape of the beads 1.
- the distances between the individual beads 1 are preferably at least as large as their width.
- the polymer adheres to the surface of the fabric by a combination of positive engagement and material bond.
- the positive connection is achieved with the threads of the textile fabric by flowing around with polymer.
- the material combination of fabric and polymer can also chemically connect with each other and thereby allow a material bond.
- a pretreatment of the fabric for the purpose of better adherence of the polymer to the fabric, for example by plasma activation is also possible.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Fiber Materials (AREA)
- Woven Fabrics (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013206278 | 2013-04-10 | ||
| PCT/EP2014/057131 WO2014166985A1 (de) | 2013-04-10 | 2014-04-09 | Verfahren zur herstellung einer industriebespannung und industriebespannung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2984224A1 true EP2984224A1 (de) | 2016-02-17 |
| EP2984224B1 EP2984224B1 (de) | 2017-03-22 |
Family
ID=50442533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14715942.0A Not-in-force EP2984224B1 (de) | 2013-04-10 | 2014-04-09 | Verfahren zur herstellung einer industriebespannung |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US20160066638A1 (de) |
| EP (1) | EP2984224B1 (de) |
| CN (1) | CN105283600A (de) |
| WO (1) | WO2014166985A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160060811A1 (en) * | 2013-04-10 | 2016-03-03 | Voith Patent Gmbh | Device and method for generating a pattern on a clothing for a machine for manufacturing a web material, and clothing |
| DE102018105433A1 (de) * | 2018-03-09 | 2019-09-12 | Voith Patent Gmbh | Verfahren zur Herstellung einer Grundstruktur für eine Papiermaschinenbespannung |
| CN115176055A (zh) | 2020-02-27 | 2022-10-11 | 福伊特专利有限公司 | 造纸机网毯 |
| DE102020108511A1 (de) | 2020-03-27 | 2021-09-30 | Voith Patent Gmbh | Papiermaschinenbespannung |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6358594B1 (en) * | 1999-06-07 | 2002-03-19 | The Procter & Gamble Company | Papermaking belt |
| CA2463892C (en) * | 2001-11-02 | 2011-08-16 | Kimberly-Clark Worldwide, Inc. | Fabric comprising nonwoven elements for use in the manufacture of tissue products having visually discernable background texture regions bordered curvilinear decorative elements and method of manufacture of tissue products |
| DE102005006738A1 (de) * | 2005-02-15 | 2006-09-14 | Voith Fabrics Patent Gmbh | Verfahren zur Erzeugung eines topografischen Musters |
| US7658821B2 (en) * | 2005-08-26 | 2010-02-09 | Voith Patent Gmbh | Patterned press fabric |
| ES2327663T3 (es) * | 2006-02-08 | 2009-11-02 | HEIMBACH GMBH & CO. KG | Utilizacion de un tamiz de formacion de hojas. |
| US8960120B2 (en) * | 2008-12-09 | 2015-02-24 | Palo Alto Research Center Incorporated | Micro-extrusion printhead with nozzle valves |
| JP5160488B2 (ja) * | 2009-03-23 | 2013-03-13 | 富士フイルム株式会社 | ドット位置測定方法及び装置並びにプログラム |
-
2014
- 2014-04-09 CN CN201480020497.1A patent/CN105283600A/zh active Pending
- 2014-04-09 EP EP14715942.0A patent/EP2984224B1/de not_active Not-in-force
- 2014-04-09 US US14/784,094 patent/US20160066638A1/en not_active Abandoned
- 2014-04-09 WO PCT/EP2014/057131 patent/WO2014166985A1/de not_active Ceased
-
2018
- 2018-04-09 US US15/948,365 patent/US20180220726A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| EP2984224B1 (de) | 2017-03-22 |
| US20160066638A1 (en) | 2016-03-10 |
| WO2014166985A1 (de) | 2014-10-16 |
| CN105283600A (zh) | 2016-01-27 |
| US20180220726A1 (en) | 2018-08-09 |
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