EP3448203B1 - Machine de fabrication de brosses - Google Patents

Machine de fabrication de brosses Download PDF

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Publication number
EP3448203B1
EP3448203B1 EP17719247.3A EP17719247A EP3448203B1 EP 3448203 B1 EP3448203 B1 EP 3448203B1 EP 17719247 A EP17719247 A EP 17719247A EP 3448203 B1 EP3448203 B1 EP 3448203B1
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EP
European Patent Office
Prior art keywords
brush
guide block
station
making machine
machine according
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
EP17719247.3A
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German (de)
English (en)
Other versions
EP3448203A2 (fr
Inventor
Bart Boucherie
Henk Vandenbussche
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.)
GB Boucherie NV
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GB Boucherie NV
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
Application filed by GB Boucherie NV filed Critical GB Boucherie NV
Publication of EP3448203A2 publication Critical patent/EP3448203A2/fr
Application granted granted Critical
Publication of EP3448203B1 publication Critical patent/EP3448203B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D9/00—Machines for finishing brushes
    • A46D9/02—Cutting; Trimming
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D3/00—Preparing, i.e. Manufacturing brush bodies
    • A46D3/06—Machines for both drilling bodies and inserting bristles
    • A46D3/065—Machines for both drilling bodies and inserting bristles of the belt or chain type

Definitions

  • the invention relates to a brush manufacturing machine comprising a fixed guide block, a plurality of carriages which can be moved around the guide block, a single and individual drive device for each carriage which can be moved around the guide block, and a trimming station for cutting and/or Finishing of bristles of a brush using at least one tool.
  • the invention also relates to a method of manufacturing a brush.
  • Such a brush manufacturing machine is from DE 10 2014 103 599 known. It can be used to guide brushes, for example toothbrushes, household brushes or brushes, along different processing stations, at each of which a specific processing step is carried out.
  • a plurality of processing stations 14 , 16 , 18 , 22 , 24 are arranged around the guide block 10 . As the carriages 12 are translated about the guide block 10, they pass in front of the processing stations.
  • the guide block 10 is provided with a guide 26, the function of which is to attach the carriages 12 to the guide block 10 so that they can be moved.
  • the guide 26 is intended in particular to ensure that the carriages 12 are guided precisely and with as little tolerance as possible.
  • the guide 26 can be designed, for example, as a guide rail on which the carriages 12 are guided with rollers, roller bearings or similar elements.
  • a drive device 28 is provided, with which each slide can be moved around the guide block 10 individually and individually.
  • the only limitation on the individual movement of the sledges is that no sledge can overtake the other. Otherwise, each carriage can be moved individually and independently of the other carriages in terms of travel distance and travel speed.
  • the drive device 28 can be formed, for example, by a drive motor on each carriage 12, which is coupled to a drive element, for example a drive wheel or a gear wheel, which in turn interacts with a corresponding counter-element of the central guide block 10, for example a track or a rack.
  • the drive device 28 can also be designed as a linear motor, which is assigned to the carriage and adjusts it relative to the guide block 10 without contact.
  • the drive device 28 can also be formed by several belt drives with which the slides can be adjusted individually.
  • At least one clamping device 30 for a brush base body 32 is attached to each carriage 12 .
  • two clamping devices 30 are used per carriage. If necessary, more clamping devices can also be provided.
  • Each clamping device 30 can be pivoted or tilted about two axes.
  • a tilting device 36 is provided, with which each clamping device 30 can be tilted about a tilting axis K.
  • the tilting axis K is aligned parallel to the adjustment direction of the carriage.
  • a pivoting device 38 is provided, with which the clamping device 30 can be pivoted about a pivot axis S.
  • the pivot axis S is perpendicular to the adjustment direction V of the carriage 12.
  • a height adjustment 40 is provided, with which the carrier 34 can be adjusted in the vertical direction relative to the carriage 12, i.e. in the direction of the double arrow H.
  • the height adjuster 40 adjusts the carrier 34 in vertical direction, i.e. up and down.
  • a controller 48 shown here schematically, which can be freely programmed in the desired manner. Depending on the desired processing steps, the controller 48 controls the speed and the steps with which the slides 12 are displaced along the guide 26 .
  • the processing stations can carry out different processing steps.
  • the processing station 14 can be a loading station in which empty clamping devices 30 are loaded with basic brush bodies 32 to be processed.
  • the machining station 16 is a drilling station where a drill 17 is used to drill holes in the brush body 32 with a reciprocating movement along the direction of the double-headed arrow B.
  • the brush base bodies 32 are adjusted in the vertical direction by means of the height adjustment 40, specifically by the hole spacing for each row of holes to be drilled. If the holes in the brush body 32 are to be drilled in directions that are not parallel to one another, the brush body 32 is appropriately tilted and/or pivoted by means of the tilting device 36 and the pivoting device 38 .
  • the processing station 18 is a stuffing station in which a stuffing tool 52 in a reciprocating motion along the double arrow P bundle from Bristles 60, which are kept ready in a storage box 54, stuffed into the holes in the brush body 32.
  • the brush base body 32 is positioned relative to the tufting tool 52 by suitably controlling the drive device 28 , the height adjustment device 40 , the tilting device 36 and the pivoting device 38 .
  • the processing station 22 is a trimming station in which the bristles 60 attached to the brush body 32 are cut and/or finished to obtain a desired length and/or profile.
  • the processing station 24 is a removal station in which the basic brush bodies 32, which are understood to have finished bristles 60, are removed.
  • the brush manufacturing machine can be coupled to an injection molding station so that the brush bodies are first injection molded in an adjacent injection molding station or additional parts are injection molded onto previously manufactured brush bodies. From the injection molding station, these brush bodies are then transported manually or, preferably fully automatically, to the brush manufacturing machine and coupled into the brush manufacturing machine in the loading station. This can be done in a number of ways. If the carriers do not leave the brush manufacturing machine, the brush bodies are inserted into the carriers in the brush manufacturing machine. In addition, the carriers could also be used in the loading station in the brush manufacturing machine already loaded. In the embodiment shown, however, it is the case that the carriers circulate in the brush manufacturing machine and thus do not leave it.
  • a basic brush body is pre-positioned before it is offered to the next processing station. This is based on figure 3 explained.
  • the stuffing tool 52 can be seen, which is stuffing the last holes of the brush body 32A with bundles of bristles. Since the Bristles 60 viewed in plan from FIG figure 3 , are arranged in a fan shape, the bristle base body 32 must be pivoted clockwise about the pivot axis S when it is guided past the tufting tool 52 from left to right.
  • the bristle base body 32B to be processed next is correspondingly pre-positioned by pivoting it counterclockwise from a neutral position into the position shown before the carriage 12B carrying it reaches the processing station 18 .
  • the longitudinal axis L of the first hole to be filled in the brush base body B is aligned parallel to the tamping direction P of the tamping tool 52 .
  • This pre-positioning can take place during the infeed movement from one processing station to the next, or by briefly stopping immediately before the next processing station. This depends above all on how far apart the processing stations are from one another and how time-consuming the pre-positioning is, which in turn also depends on the geometry of the brush to be produced.
  • the carriage 12A is moved further in the adjustment direction V, and at the same time the carriage 12B is also moved further in the adjustment direction V. Because the brush body 32B is already "properly" aligned, the tufting tool 52 can continue to operate without delay.
  • the brush base body 32B in the pre-positioned state can be brought much closer to the brush base body 32A currently being processed than is the case in figure 3 is shown. Then, when the processing progresses from the brush base body 32A to the brush base body 32B, the brush base body 32B only has to be adjusted minimally in the longitudinal direction (ie in the adjustment direction V). In the best case, the adjustment movement required is so small that the tufting tool can continue to work uninterruptedly and the adjustment does not differ, or at least not noticeably, from the adjustment that is necessary when tufting one and the same bristle body from hole to hole.
  • a post-processing tool more precisely a grinding roller, is shown for a method for manufacturing brushes.
  • a brush has bristle filaments on its brush head, is clamped in a clamping device and is positioned below the grinding roller. By lowering the rotating grinding roller, the useful ends of the bristle bundles are rounded off by grinding.
  • the object of the invention is to improve the operability of the known brush manufacturing machine.
  • the tool can only be adjusted in one direction.
  • This has the advantage that the trimming station has a technically very simple structure.
  • the movements necessary to trim the bristles, apart from the movement of the tool along the single direction, are all achieved by suitably adjusting the clamping devices that hold the brush body.
  • adjusting the tool to trim the bristles is meant herein that the tool is adjusted while the bristles are being cut, as opposed to a tool being adjusted along the direction before the bristles are cut but then while the bristles are being cut Bristles remain in position.
  • the clamping devices can be adjusted in particular by means of a height adjustment, a pivoting device and a tilting device.
  • the height adjustment the clamping devices are adjusted in a direction perpendicular to the direction of adjustment of the carriage relative to the processing stations.
  • the pivoting device the clamping devices are pivoted about an axis that is aligned parallel to the adjustment direction of the carriage.
  • the tilting device the clamping devices are tilted about an axis that is perpendicular to the adjustment direction of the slides.
  • the adjustment direction is essentially perpendicular to a surface that is defined by the movement path of the carriage in the area of the trimming station.
  • the trimming station is attached to the leader block. This results in a very compact structure.
  • the tool points away from the guide block, so that it is accessible from the outside.
  • the different components for example drilling or tamping tool
  • the tool is therefore optimally accessible from the outside, for example for cleaning or replacing wearing parts.
  • the carriage to have a guide section which is accommodated in a guide of the guide block, and a holding section on which a support for at least one clamping device for a brush base body is arranged, the holding section being able to be rotated relative to the guide section.
  • the rotation between the holding section and the guide section ensures that the alignment of the brush base body does not have to be taken into account when the tool of the trimming station is arranged; the basic brush bodies can easily be rotated in the direction required for processing.
  • the holding section is preferably rotated relative to the guide section about a vertical axis of rotation. This results in a minimal space requirement.
  • an actuator can be arranged on the carriage. This makes it possible to create the desired movement directly between the two sections of the carriage.
  • the actuator is adjusted together with the corresponding carriage, resulting in a very compact assembly overall.
  • the distance between the lower end of the holding section and the floor below the guide block is greater than 20 cm. This distance between the lower end of the holding section and the ground makes it possible to remove the bristle particles produced when the bristles are trimmed in a very simple manner, for example by sweeping underneath the brush manufacturing machine.
  • the space below the trimming station is free. This means there are no disruptive components that could impair sweeping below the trimming station.
  • the trimming station is arranged on one side of the guide block and a tamping and/or a drilling station on another side of the guide block. With this arrangement, the messy trimming of the bristles is performed far away from the other processing stations. It is particularly preferred that the tamping station and the drilling station are on one side of the guide blocks are arranged, which is opposite to the side on which the post-processing station is arranged.
  • the invention also provides a method for manufacturing a brush using a brush manufacturing machine of the type explained above, in which a brush base body is equipped with bristles in a first orientation relative to a guide block of the brush manufacturing machine and in a second orientation relative to the guide block is turned before the bristles are cut and/or finished in a trimming station.
  • a brush base body is equipped with bristles in a first orientation relative to a guide block of the brush manufacturing machine and in a second orientation relative to the guide block is turned before the bristles are cut and/or finished in a trimming station.
  • the brush base bodies are preferably guided on the guide block by means of a carriage which has a guide section and a holding section, the holding section being rotated by 180° relative to the guide section in order to move from the first orientation to the second orientation. This allows the trimming station tools to face outwards, away from the guide block, for optimal access for maintenance and cleaning.
  • the brush base body is oriented away from the guide block in the first orientation and towards the guide block in the second orientation. This makes it possible to carry out, in the first orientation, operations that require a machining station that requires more space, such as that of a stuffing station, while in the second orientation, it is possible to carry out operations that require less space, such as that of a trimming station.
  • a difference from the known brush making machine is that the trimming station 22 is located separately from the drilling station 16 and the stuffing station 18 .
  • the brush body 32 is provided with the bristles 60, it is moved from the stuffing station 18 to another side of the guide block 10 in order to arrive at the trimming station 22.
  • the trimming station 22 is here located on a side of the guide block 10 which is opposite to the side on which the stuffing station 18 is located.
  • the basic brush bodies 32 are directed outwards, ie away from the guide block 10.
  • the basic brush bodies 32 are directed inwards, i.e. towards the guide block 10. This can be seen particularly well by comparing the figure 4 brush body 32 shown on the left, which is currently being moved between the stuffing station 18 and the trimming station 22, with the brush body 32, which is located in the trimming station 22. For the sake of clarity, the carriage for the brush base body 32, which is currently located in the trimming station 22, is not shown.
  • FIG 5 the structure of the carriage 12 can be seen, with which the brush base body 32 from the first orientation, as used in the area of the drilling station 16 and the tamping station 18, into the second orientation can be rotated, as used in the trimming station 22 area.
  • the carriage 12 has a guide section 55 which engages in the guide 26 on the guide block 10 .
  • a holding portion 57 is connected via a pivot bearing 56 shown schematically, to which the clamping devices 30 for the brush body 32 are attached in the same way as by the Figures 1 to 3 is known.
  • the pivot bearing 56 defines a pivot axis S about which the holding section 57 can be pivoted relative to the guide section 55 .
  • the axis of rotation S is aligned vertically here.
  • a swivel drive 58 which has, for example, a stepping motor 59 with a gear 61 which engages in a ring gear 62.
  • the stepping motor 59 is attached to the guide section 55 and the ring gear 62 is attached to the holding section 57 .
  • the arrangement can of course also be reversed.
  • the pivot drive 58 replaces the from Figures 1 to 3 known pivoting devices 38, with which the clamping devices 30 were pivoted there relative to the carrier 34. Now, according to the invention, the entire structure with carrier, tilting devices and clamping devices is pivoted relative to that part of the carriage 12 which engages in the guide 26 on the stationary guide block 10.
  • the trimming station 22 has a tool 70 for each basic brush body 32 offered for processing.
  • This can be a set of knives with which the bristles 60 are cut to size in a suitable manner.
  • the tool 70 can also have blades for slitting the bristles or other tools for cutting, profiling and/or slitting the bristles in the desired manner.
  • the trimming station 22 is, as is particularly the case in figure 5 is shown attached to leader block 10. This constitutes a crucial difference from the other two processing stations 16, 18, which are arranged at a distance from the guide block 10, ie opposite this at a distance through which the brush base bodies 32 are moved.
  • the special advantage of The arrangement of the trimming station 22 on the guide block 10 is that the tools 70 are very easily accessible when they are not covered by a carriage 12. It is therefore not necessary to work in the gap between the corresponding processing station and the guide block 10 in the event of maintenance or repair work.
  • a special feature of the trimming station 22 is that the tools 70 (ie the knife sets) can be adjusted in exactly one direction, namely along the direction indicated by the arrows T. It is a reciprocating adjustment movement along a horizontal direction outward from the guide block 10 . In this case, this direction is essentially perpendicular to the plane in which the carriage 12 moves in the region of the trimming station 22 .
  • actuators 72 which are only indicated schematically here. Overall, this results in a simple construction.
  • the basic brush bodies 32 can be pivoted about the pivot axis S in the vertical direction. They can be pivoted about the K axis in a horizontal plane.
  • the relative movement between the bristles 60 and the tools 70 is generated by the displacement of the corresponding entire carriage 12 along the guide 26 and thus also relative to the stationary guide block 10 by means of the drive device 28 of the corresponding carriage 12.
  • the adjustment along the direction T is mainly necessary in order to compensate for the movement of the tips of the bristles toward the tools 70 or away from them, which results from pivoting the brush base body 32 about the axis K.
  • the same connection applies as above with reference to figure 3 was explained: when the brush body 32 has been pivoted about the axis K, the outer bristles are closer to the guide block 10 than the bristles in the middle of the brush body 32.
  • the brush bodies 32 and all parts of the carriage 12 are at a comparatively large distance A above the floor arranged. No components of the brush manufacturing machine are arranged on the floor itself. It is therefore very easy to dispose of the waste 80 generated when the bristles 60 are trimmed. This also applies to the drilling and tamping stations 16, 18.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Brushes (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Claims (16)

  1. Machine de fabrication de brosses, comprenant un bloc de guidage fixe (10), une pluralité de chariots (12) aptes à être déplacés autour du bloc de guidage (10), un dispositif d'entraînement unique et individuel (28) pour chaque chariot (12) au moyen duquel celui-ci peut être déplacé autour du bloc de guidage (10), et un poste de rognage (22) pour la coupe et/ou la finition de poils (60) d'une brosse au moyen d'au moins un outil (70), caractérisée en ce que l'outil (70) est déplaçable uniquement selon une direction (T).
  2. Machine de fabrication de brosses selon la revendication 1, caractérisée en ce que l'outil (70) est déplaçable selon la direction de déplacement (T) dans un mouvement de va-et-vient.
  3. Machine de fabrication de brosses selon la revendication 1 ou la revendication 2, caractérisée en ce que la direction de déplacement (T) est sensiblement perpendiculaire à une surface définie par la trajectoire de mouvement du chariot (12) dans la zone du poste de rognage (22).
  4. Machine de fabrication de brosses selon l'une des revendications précédentes, caractérisée en ce que le poste de rognage (22) est monté sur le bloc de guidage (10).
  5. Machine de fabrication de brosses selon l'une des revendications précédentes, caractérisée en ce que l'outil (70) est orienté en éloigement du bloc de guidage (10) de manière à être accessible de l'extérieur.
  6. Machine de fabrication de brosses selon l'une des revendications précédentes, caractérisée en ce que le chariot (12) comporte un tronçon de guidage (55) qui est reçu dans un guidage (26) du bloc de guidage (10) et un tronçon de retenue (57) sur lequel est agencé un support (34) pour au moins un dispositif de serrage (30) pour un corps de base de brosse (32), le tronçon de retenue (57) étant apte à être tourné par rapport au tronçon de guidage (55).
  7. Machine de fabrication de brosses selon la revendication 6, caractérisée en ce que le tronçon de retenue (57) est apte à être tourné par rapport au tronçon de guidage (55) autour d'un axe de pivotement vertical (S).
  8. Machine de fabrication de brosses selon la revendication 6 ou la revendication 7, caractérisée en ce qu'un mécanisme de commande (58) est agencé sur le chariot (12), au moyen duquel le tronçon de retenue (57) est apte à être tourné par rapport au tronçon de guidage (55).
  9. Machine de fabrication de brosses selon l'une des revendications précédentes, caractérisée en ce que la distance entre l'extrémité inférieure du tronçon de retenue (57) et le fond en dessous du bloc de guidage (10) est supérieure à 20 cm.
  10. Machine de fabrication de brosses selon l'une des revendications précédentes, caractérisée en ce que l'espace en dessous du poste de rognage (22) est libre.
  11. Machine de fabrication de brosses selon l'une des revendications précédentes, caractérisée en ce que le poste de rognage (22) est agencé d'un côté du bloc de guidage (10) et un poste de bourrage et/ou un poste de perçage (16, 18) est agencé d'un autre côté du bloc de guidage (10).
  12. Machine de fabrication de brosses selon l'une des revendications précédentes, caractérisée en ce que le poste de bourrage (18) et le poste de perçage (16) sont agencés d'un côté du bloc de guidage (10) opposé au côté duquel est agencé le poste de rognage (22).
  13. Machine de fabrication de brosses selon l'une des revendications précédentes, caractérisée en ce qu'il est prévu un servomoteur (72) au moyen duquel l'outil (70) de coupe et/ou de finition des poils est apte à être déplacé selon ladite une direction.
  14. Procédé de fabrication d'une brosse au moyen d'une machine de fabrication de brosses selon l'une des revendications précédentes, dans lequel un corps de base de brosse (32) est pourvu de poils (60) dans une première orientation par rapport à un bloc de guidage (10) de la machine de fabrication de brosses et est tourné dans une deuxième orientation par rapport au bloc de guidage (10) avant la coupe et/ou la finition des poils (60) dans un poste de rognage (22).
  15. Procédé selon la revendication 14, caractérisé en ce que les corps de base des brosses (32) sont guidés sur le bloc de guidage (10) au moyen d'un chariot (12) qui présente un tronçon de guidage (55) et un tronçon de retenue (57), et en ce que le tronçon de retenue (57) est tourné de 180° par rapport au tronçon de guidage (55) pour passer de la première orientation à la deuxième orientation.
  16. Procédé selon la revendication 14 ou la revendication 15, caractérisé en ce que le corps de base de la brosse (32) est orienté en éloignement du bloc de guidage (10) dans la première orientation et est orienté en direction du bloc de guidage (10) dans la deuxième orientation.
EP17719247.3A 2016-04-25 2017-04-25 Machine de fabrication de brosses Active EP3448203B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016107641.4A DE102016107641A1 (de) 2016-04-25 2016-04-25 Maschine zur Herstellung von Bürsten
PCT/EP2017/059688 WO2017186652A2 (fr) 2016-04-25 2017-04-25 Machine de fabrication de brosses

Publications (2)

Publication Number Publication Date
EP3448203A2 EP3448203A2 (fr) 2019-03-06
EP3448203B1 true EP3448203B1 (fr) 2022-08-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP17719247.3A Active EP3448203B1 (fr) 2016-04-25 2017-04-25 Machine de fabrication de brosses

Country Status (6)

Country Link
EP (1) EP3448203B1 (fr)
CN (1) CN109152475B (fr)
DE (1) DE102016107641A1 (fr)
ES (1) ES2927982T3 (fr)
TW (1) TWI729119B (fr)
WO (1) WO2017186652A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018127030A1 (de) * 2018-10-30 2020-04-30 Gb Boucherie Nv Verfahren zur Herstellung von Bürsten und Bürstenherstellungsmaschine
DE102019105877B4 (de) * 2019-03-07 2022-10-13 Zahoransky Ag Abschervorrichtung und Bürstenherstellungsmaschine mit Abschervorrichtung sowie Verwendung einer Abschervorrichtung
DE202020107146U1 (de) 2020-12-10 2022-03-14 Gb Boucherie Nv Bürstenherstellungsmaschine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE313799B (fr) * 1967-04-25 1969-08-25 G Boucherie
DE2163692A1 (de) * 1971-12-22 1973-07-05 Zahoransky Anton Fa Buerstenherstellungsmaschine mit bohrund stopfwerkzeugen sowie einem drehbaren spannstellentraeger
US4756579A (en) * 1984-12-17 1988-07-12 L.A. Brush Manufacturing Corp. Brush filling method and filled brushes
DE59910085D1 (de) * 1999-12-22 2004-09-02 Schiffer Fa M & C Verfahren zur herstellung von bürsten und vorrichtung zur durchführung des verfahrens
DE10335996A1 (de) * 2003-08-01 2005-02-24 Anton Zahoransky Gmbh & Co. Bürstenherstellungsmaschine
BE1015888A3 (nl) * 2004-02-04 2005-11-08 Boucherie Nv G B Inrichting voor het vervaardigen van borstels.
DE102007003295A1 (de) * 2007-01-23 2008-07-24 Zahoransky Ag Bürstenherstellungsmaschine
BE1021817B9 (nl) 2013-03-29 2019-07-11 Gb Boucherie Nv Machine voor de vervaardiging van borstels
CN104397981B (zh) * 2014-11-06 2015-12-02 桐乡市高桥兴伟制刷机械厂 一种毛刷切毛磨毛一体机

Also Published As

Publication number Publication date
WO2017186652A3 (fr) 2017-12-21
TW201803491A (zh) 2018-02-01
DE102016107641A1 (de) 2017-10-26
ES2927982T3 (es) 2022-11-14
CN109152475B (zh) 2021-05-25
EP3448203A2 (fr) 2019-03-06
CN109152475A (zh) 2019-01-04
TWI729119B (zh) 2021-06-01
WO2017186652A2 (fr) 2017-11-02

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