EP3236807B1 - Machine à insérer les soies dans une brosse - Google Patents

Machine à insérer les soies dans une brosse Download PDF

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Publication number
EP3236807B1
EP3236807B1 EP15808614.0A EP15808614A EP3236807B1 EP 3236807 B1 EP3236807 B1 EP 3236807B1 EP 15808614 A EP15808614 A EP 15808614A EP 3236807 B1 EP3236807 B1 EP 3236807B1
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EP
European Patent Office
Prior art keywords
brush
tongue
tufting
machine according
tip
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
EP15808614.0A
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German (de)
English (en)
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EP3236807A1 (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
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Filing date
Publication date
Application filed by GB Boucherie NV filed Critical GB Boucherie NV
Publication of EP3236807A1 publication Critical patent/EP3236807A1/fr
Application granted granted Critical
Publication of EP3236807B1 publication Critical patent/EP3236807B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D3/00—Preparing, i.e. Manufacturing brush bodies
    • A46D3/04—Machines for inserting or fixing bristles in bodies
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D3/00—Preparing, i.e. Manufacturing brush bodies
    • A46D3/04—Machines for inserting or fixing bristles in bodies
    • A46D3/042—Machines for inserting or fixing bristles in bodies for fixing bristles using an anchor or staple
    • 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
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1066—Toothbrush for cleaning the teeth or dentures

Definitions

  • the invention relates to a brush stuffing machine with a stuffing tool with a tip which can be pivoted about a first axis between a bundle receiving position and a stuffing position and which has a guide in the tip for a tongue which stuffs an anchor together with the bundle along the guide into a bristle carrier forming at least part of the finished brush.
  • Such a brush-tamping machine is from the EP 1 803 372 B1
  • This brush tamping machine has a bundle collector that can be pivoted around a vertical axis and a tamping tool that can also be pivoted around a vertical axis.
  • the bundle collector separates bundles from a bristle magazine and transfers them to the tamping tool immediately behind a tip.
  • This tip has a guide for a tongue, so that the tongue guides a picked-up bundle along the guide to a bristle carrier that forms at least part of the finished brush and pushes it into an opening in the bristle carrier.
  • An anchor can be a metal plate or a wire loop.
  • the stuffing tool After picking up an isolated bundle, the stuffing tool is pivoted towards the bristle carrier, with the tongue following this pivoting movement and penetrating deeper into the tip either during this pivoting movement or after reaching the stuffing position in order to finally push the bundle together with the anchor into the bristle carrier.
  • Both the stuffing tool including the curved guide in the tip and the tongue are moved on a circular arc section.
  • a brush tamping machine is known with a linearly movable tamping tool and with a tongue that is guided within the tamping tool and is mounted so that it can move linearly.
  • the DE 10 2009 017794 A1 describes a linearly movable tamping tool with a tongue that is driven by a lifting drive and is also guided linearly within the tamping tool.
  • the object of the invention is to improve a brush tamping machine of the type mentioned above so that it can operate with a faster cycle time.
  • the brush tamping machine has a tamping tool with a tip, the tamping tool with the tip being pivotable about a first axis between a bundle receiving position and a tamping position and having a tongue in the tip that tampes an anchor together with a bundle along the guide into a bristle carrier.
  • the brush tamping machine according to the invention provides that the guide of the tongue in the tip runs linearly and that the front end of the tongue performs a linear pushing movement relative to the tamping tool in the tamping position.
  • a linear impact movement is realized by a linear guide despite the pivoting movement of the stuffing tool.
  • the pivoting movement of the stuffing tool is advantageous compared to a linear movement because reversive pivoting movements can be realized with less effort, high precision and above all high speed.
  • a linear movement is carried out by the tongue at its front end, the movement can be carried out even faster.
  • the linear impact movement reduces the friction with the guide.
  • the movement of the bundle including the anchor is linear in the last part of the overall movement, which leads to a smaller space requirement for the front end of the tip and the tongue. If the tongue also in the last angular degrees of its movement up to the Since the plugging process follows a circular path, a disadvantageous lateral movement component occurs when the bundle is pressed in, which puts strain on the end of the tip and causes additional friction in the guide.
  • the bristle carrier can be, for example, a plate provided with openings, which is later joined with the rest of the brush body to form a common brush body, or the bristle carrier can also be the brush body itself.
  • the tongue can be driven by a swivel drive, preferably its own, for example by having a separate swivel arm for driving the tongue. This means that the tongue moves along a circular arc in the area of its driven end and linearly in the area of the guide in the tip.
  • the guide for the tongue can sit on a swivel arm of the stuffing tool.
  • the axis of the pivot arm of the tongue is also the first axis.
  • the tamping tool can be driven by at least one cam and/or the swivel drive can be driven by at least one cam.
  • a cam drive is characterized by high mechanical stability.
  • One possible variant here is that the cams for the tamping tool and for the swivel drive of the tongue are set in rotation by the same camshaft. This enables forced synchronization in a very simple manner.
  • the distance between the front end of the tip and the first axis is at least 200 mm, in particular at least 300 mm, so that the movement of the guide also takes place on an extremely large arc radius.
  • This relatively large swivel radius also ensures that the swivel angle for the The swivel arm angle between the bundle takeover position and the stuffing position is very small, for example between 2 and 5°. However, this small swivel angle is already sufficient to complete the complete stroke of the stuffing tool.
  • the feed stroke of the stuffing tool can, for example, be only 15 - 20 mm, measured at the front end of the tip between the bundle takeover position and the stuffing position. This small stroke also ensures high cycle times. In the state of the art, corresponding strokes of 25 mm were normal. The percentage reduction in the stroke is therefore enormous.
  • the guide in the tip can be essentially linear, e.g. horizontal.
  • This horizontal course which refers to the tamping position, simplifies the alignment of the parts to each other and, above all, their manufacture, because a linear guide is much easier to manufacture than one in the shape of a circular segment.
  • the first axis can be a horizontally aligned axis, whereas in the EP 1 803 372 B1 the axis was aligned vertically.
  • the tongue is designed in one piece and in the shape of a band and can be made of spring steel, for example.
  • a spring steel band makes it possible to drive the tongue without great effort using the swivel drive.
  • the tamping tool can of course also have a second guide at the back of the tip for the tongue.
  • This guide can run linearly or in a circular arc around the swivel axis of the swivel drive.
  • One possibility is to guide the tongue on both sides and at the top and bottom, similar to the guide in the tip.
  • a guide groove can be made in an upper or lower part, and the part on top or below it can be flat or also have a section of a guide groove so that the guide is closed overall.
  • the tongue could run along rollers on at least one side and be guided by them.
  • the tongue is subjected to different types of load in its different sections and can, for example, have a section guided in at least one guide and a drive-side section.
  • the drive-side section which is opposite the front end of the tongue, is wider than the guided section and is designed, for example, as a clamping section that is held directly or indirectly on the pivot arm of the tongue.
  • the length adjustment allows the widened clamping section to be moved close to the guide in the stuffed position of the tongue, so that this section ensures increased mechanical stability.
  • the longitudinal direction of the bristle carrier is in particular parallel or slightly angled (i.e. 15°-25°) to the first axis.
  • the pivoting movement of the stuffing tool is thus in a plane perpendicular to the longitudinal direction of the bristle carrier.
  • the brush stuffing machine according to the invention can be designed without a so-called bundle displacer.
  • a bundle displacer is a separate part located in front of the tip, which pushes aside the bundles already anchored in the bristle carrier when the next tuft of bristles is stuffed adjacent to them. Due to the brush stuffing machine according to the invention, in which the tip itself makes a diving movement and displaces stuffed tufts of bristles, such a separate displacer is unnecessary, so that the brush stuffing machine according to the invention is designed more simply and is also less complex, so that higher cycle times can be achieved.
  • the brush stuffing machine optionally comprises a bundle collector which feeds individual bundles to the stuffing tool, in particular in a horizontal plane.
  • the bundle collector can be a plate-like circular arc segment or a rotating disk which can be pivoted or rotated about a vertical axis.
  • the stuffing tool can be aligned with the bristle carrier in such a way that the front end of the tip, viewed in the direction of the first axis, has a movement with a vertically downward component from the bundle take-over position to the stuffing position. This means that the end of the tip moves diagonally downwards from above towards the bristle carrier, thus dipping slightly, which pushes away the already stuffed bristles.
  • An optionally provided bevelled surface on the tip namely on its underside in the area of the end, is directed diagonally upwards towards the end and forms a deflector surface for the already stuffed tufts of bristles.
  • the top can also be bevelled towards the end so that the tip tapers towards the end.
  • a drum with holders for several bristle carriers that rotates around a vertical second axis and is located opposite the stuffing tool can be used.
  • the bristle carrier located in the drum holder and opposite the stuffing tool can be stuffed directly. It is therefore a type of rotating tool that can take up several positions.
  • a brush tamping machine which has a drum 10 with several holders for brushes, a tamping tool 12, a bristle magazine 14, a bundle remover 16 and a tongue 52 for tamping. Furthermore, a feed device 18, symbolically represented by an arrow, for so-called anchors 20, for example in the form of a wire loop or a metal plate, is present.
  • bristle carriers 22 for example small plates with openings, which later become part of the finished brush, or bristle carriers 22 in the form of a complete brush body, as in Figure 1 depicted, stuffed.
  • the drum 10 is designed as a rotating holding tool in which a plurality of holders for bristle carriers 22 are accommodated on a carrier 26 that can be rotated about an axis 24, which are fed to and removed from the carrier 26 at certain positions and are stuffed in one position.
  • the axis 24 is preferably horizontal or slightly angled (15°-25° to the horizontal), or the elongated bristle carriers 22 are aligned with their longitudinal direction in the horizontal direction or also slightly angled to the axis 24.
  • the bristle carrier 22 to be stuffed is moved in two axes by moving the carrier 26 in a vertical plane, so that the opening in the bristle carrier to be stuffed next is always opposite the next bristle tuft being brought up and is aligned with it.
  • a bristle magazine 14 comprises a mechanically pre-stressed bearing with ordered, adjacent bristles 28.
  • a bundle collector 16 which can be pivoted about a vertical axis 30 and comprises a plate-shaped circular arc segment, moves along the magazine with the bristles 28 and removes a bundle, in that the bundle collector 16 has a notch 32 on its moving outer edge, which is filled with the bristle bundle.
  • the stuffing tool comprises a tip 34 with a front end 36 which can be moved between a bundle receiving position and a Figure 1 shown stuffing position is pivoted about a first, preferably horizontal axis 40.
  • the end 36 can contact the bristle carrier 22 or be very close to its surface.
  • the end 36 In the bundle take-over position, the end 36 is on the dot-dash line 44.
  • the stroke resulting between the bundle take-over position and the stuffing position is only between 15 and 20 mm.
  • the tamping tool 12 comprises a pivot arm 46 which is coupled at one end to a bearing 48.
  • This bearing 48 is the bearing corresponding to the axis 40.
  • the opposite end of the pivot arm 46 carries a base 50 which merges into the tip 34.
  • FIG. 3 A slot-like guide 56 is provided, which can be seen schematically in cross-section.
  • the guide 56 in the tip 34 runs linearly.
  • the base 50 has on its upper side a groove 51 which is designed as a guide groove for a Figure 2 shown tongue 52, which relative to the base 50 according to the double arrow in Figure 2
  • the tongue 52 is guided on the base 50 by placing a cover 57 (see Figure 3 ) is placed, which closes off the resulting guide 58 at the top, which could also be designed linearly and lies in the same plane as the guide 56.
  • the guide 58 can also be curved.
  • the tongue 52 is ribbon-like and elongated.
  • the tongue 52 is shown separately again.
  • the tongue 52 has a guided section 53 in which it has a relatively narrow cross-section and in which it is guided in the area of the tip 34 and the base 50.
  • the tongue 52 has a widened clamping section 55 at its end opposite the tip 34.
  • the tongue 52 is made of spring steel, i.e. a spring steel sheet.
  • the clamping section 55 of the tongue 52 is moved along a circular arc path by a swivel drive 82.
  • the swivel drive 82 comprises a swivel arm 84, the axis of which coincides with the first axis 40.
  • insertion opening 60 (see Figure 1 ) which is open at the side and into which a tuft of bristles can be introduced from the bundle separator 16 and an anchor 20 from the feed device 18.
  • the front end 54 of the tongue 52 can be pushed through the tip 34, folding individual bundles of bristles and pushing them together with the anchor 20 into the opening in the bristle carrier 20.
  • the end 36 of the tip 34 has a distance from the first axis 40 which is at least 200 mm, preferably at least 300 mm.
  • the swivel angle between the bundle take-over position and the stuffing position is preferably a maximum of 3°, i.e. it is very small.
  • the swivel arm 46 is swiveled back and forth by the aforementioned 3° by means of a servo motor or by means of the mechanism shown below.
  • Each swivel arm 46, 84 is driven by cams 68 A, 68 B or 70 A and 70 B. These cams are mounted on a common camshaft 71.
  • the camshaft 71 is driven by an electric motor. It is in Figure 1 shown schematically.
  • the cams 68 A and B as well as 70 A and B are designed as adjacent pairs of discs whose outer circumference deviates from a circular shape.
  • the cam 68 A there is a roller 64 on the swivel arm 46 with which the cam 68 A can come into contact. When there is appropriate contact, the cam 68 A presses the swivel arm 46 anti-clockwise towards the stuffing position.
  • the cam 68 B has a roller 66 on a second arm 62 of the stuffing tool with which it can come into contact.
  • the cam 68 A is therefore responsible for the pivoting movement of the stuffing tool 12 in the anti-clockwise direction, i.e. in the stuffing device, whereas the cam 68 B, via its associated roller 66, is responsible for the pivoting movement of the stuffing tool in the clockwise direction.
  • cam 68 A or B it would also be possible to work with just one cam 68 A or B and, in addition, to use a spring to permanently press the roller 64 or 66 against this one cam.
  • two cams 68 A and B are more advantageous.
  • a corresponding design of the cams 70 A and 70 B is also provided for the drive of the swivel arm 84.
  • the cam 70 A contacts, for example, a roller 73 on an arm 75 coupled to the swivel arm 84.
  • the bundle taker In the bundle take-over position, the bundle taker swivels the removed bundle in a horizontal plane into the insertion opening 60.
  • the device 18 also transports the anchor 20 to the insertion opening 60 (see Figure 2 ).
  • the tamping tool 12 is then pivoted towards the bristle carrier 22.
  • an inclined surface 70 is formed which is directed towards the end 36 and upwards and presses the already stuffed bristle tufts 72 downwards so that during the subsequent stuffing process there is no risk of the tongue 52, supplied bristle tuft or anchor coming into contact with bristles of the already stuffed bundles 72. This means that the tip 34 takes over the functions of the previously provided, separate and separately driven bundle displacer.
  • the tongue 52 is moved forwards in the direction of the end 36 relative to the base 50 and thus to the stuffing tool 12 by the pivoting drive.
  • the movement of the front end 54 of the tongue 52 in the guide 56 is linear, as is the pushing movement with which the tongue 52 presses the bristle tuft together with the anchor out of the tip 34 into the bristle carrier 22.
  • the tongue 52 folds the bundle and pushes it with the wire loop or the metal plate into the bristle carrier 22.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Brushes (AREA)
  • Soil Working Implements (AREA)
  • Transplanting Machines (AREA)

Claims (15)

  1. Machine de bourrage de brosse, comprenant un outil de bourrage (12) présentant une pointe (34), l'outil de bourrage (12) avec la pointe (34) étant pivotant autour d'un premier axe (40) entre une position de prise de paquet et une position de bourrage et comprenant, dans la pointe (34), un guidage (56) pour une languette (52) bourrant une ancre (20) ensemble avec un paquet le long du guidage (56) dans un support de poils (22) formant au moins une partie de la brosse finie, caractérisée en ce que le guidage (56) de la languette (52) s'étend linéairement dans la pointe (34) et en ce que, dans la position de bourrage, l'extrémité avant (54) de la languette (52) effectue un mouvement de poussée linéaire par rapport à l'outil de bourrage (12).
  2. Machine de bourrage de brosse selon la revendication 1, caractérisée en ce que la languette (52) est entraînée par un entraînement pivotant (82).
  3. Machine de bourrage de brosse selon l'une des revendications précédentes, caractérisée en ce que le guidage (56) est retenu sur un bras pivotant (46) de l'outil de bourrage (12).
  4. Machine de bourrage de brosse selon l'une des revendications précédentes, caractérisée en ce que la languette (52) est fixée à son propre bras pivotant entraîné (84).
  5. Machine de bourrage de brosse selon les revendications 3 et 4, caractérisée en ce que les bras pivotants (46, 84) de l'outil de bourrage (12) et de la languette (52) sont pivotants autour du même axe (40).
  6. Machine de bourrage de brosse selon l'une des revendications précédentes, caractérisée en ce que l'outil de bourrage (12) est entraîné par au moins une came (68 A, 68 B) et/ou l'entraînement pivotant (82) est entraîné par au moins une came (70 A, 70 B), les cames (68 A, 68 B, 70 A, 70 B) étant de préférence entraînées en rotation par le même arbre à cames (71).
  7. Machine de bourrage de brosse selon la revendication 5, caractérisée en ce que les bras pivotants (46, 84) sont pivotés et synchronisés par leurs propres servomoteurs électriques.
  8. Machine de bourrage de brosse selon l'une des revendications précédentes, caractérisée en ce que le guidage (56) s'étend de manière sensiblement linéaire dans la pointe (34).
  9. Machine de bourrage de brosse selon l'une des revendications précédentes, caractérisée en ce que le premier axe (40) est un axe horizontal.
  10. Machine de bourrage de brosse selon l'une des revendications précédentes, caractérisée en ce que la languette (52) est réalisée d'une seule pièce et en forme de bande, notamment en acier à ressorts.
  11. Machine de bourrage de brosse selon la revendication 10, caractérisée en ce que la languette (52) présente une partie (53) guidée dans au moins un guidage (56, 58) et une partie de serrage (55) côté entraînement qui est notamment élargie par rapport à la partie guidée (53) et qui est retenue sur l'entraînement pivotant (82) de la languette (32).
  12. Machine de bourrage de brosse selon l'une des revendications précédentes, caractérisée en ce qu'elle est réalisée sans déplaceur de paquet.
  13. Machine de bourrage de brosse selon l'une des revendications précédentes, caractérisée en ce qu'il est prévu un moyen de saisie de paquet (16) qui amène des paquets de poils individualisés vers l'outil de bourrage (12), en particulier dans un plan horizontal.
  14. Machine de bourrage de brosse selon la revendication 13, caractérisée en ce que le moyen de saisie de paquet (16) comprend un segment d'arc de cercle ou un disque qui est pivotant ou rotatif autour d'un axe (30) perpendiculaire au premier axe.
  15. Machine de bourrage de brosse selon l'une des revendications précédentes, caractérisée en ce que l'outil de bourrage (12) est orienté par rapport au support de poils (22) à équiper de poils de telle sorte que l'extrémité avant (36) de la pointe (34), vue dans le sens du premier axe (40), effectue un mouvement avec une composante dirigée verticalement vers le bas depuis la position de prise de paquet à la position de bourrage, la pointe (34) présentant en particulier sur sa face inférieure une surface inclinée (70) dirigée vers le haut en direction de l'extrémité avant (36).
EP15808614.0A 2014-12-22 2015-12-14 Machine à insérer les soies dans une brosse Active EP3236807B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE2014/5146A BE1022749B1 (de) 2014-12-22 2014-12-22 Bürsten-Stopfmaschine
PCT/EP2015/079551 WO2016102223A1 (fr) 2014-12-22 2015-12-14 Machine à insérer les soies dans une brosse

Publications (2)

Publication Number Publication Date
EP3236807A1 EP3236807A1 (fr) 2017-11-01
EP3236807B1 true EP3236807B1 (fr) 2024-10-23

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Application Number Title Priority Date Filing Date
EP15808614.0A Active EP3236807B1 (fr) 2014-12-22 2015-12-14 Machine à insérer les soies dans une brosse

Country Status (8)

Country Link
EP (1) EP3236807B1 (fr)
KR (1) KR102565289B1 (fr)
CN (2) CN107205543B (fr)
BE (1) BE1022749B1 (fr)
DE (1) DE202015009043U1 (fr)
ES (1) ES1211767Y (fr)
TW (1) TWI675633B (fr)
WO (1) WO2016102223A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1022749B1 (de) * 2014-12-22 2016-08-29 Gb Boucherie Nv Bürsten-Stopfmaschine
DE102016107334B4 (de) * 2016-04-20 2020-03-19 Gb Boucherie Nv Bürsten-Stopfmaschine und Stopfzunge
DE102017109365B3 (de) * 2017-05-02 2018-08-16 Borghi S.P.A. Bürstenstopfvorrichtung
CN107617575B (zh) * 2017-09-06 2024-05-14 广东三三智能科技有限公司 一种牙刷刷毛自动化检测设备
BE1026347B1 (de) 2018-10-30 2020-01-08 Bart Gerard Boucherie Bürsten-Stopfmaschine und Verfahren zum Stopfen
DE102018127982A1 (de) * 2018-11-08 2020-05-14 Gb Boucherie Nv Bündelvereinzelner eines Bürstenstopfwerkzeugs
CN112690559B (zh) * 2020-12-15 2023-10-31 安徽环美刷业股份有限公司 一种机场刷用压料结构
DE102021103157B3 (de) * 2021-02-10 2022-01-20 Zahoransky Ag Vorrichtung zur Herstellung von Borstenwaren
DE102024107706A1 (de) 2024-03-18 2025-09-18 Gb Boucherie Nv Bürstenstopfwerkzeug und Verfahren zum Stopfen einer Bürste

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4324249A1 (de) * 1993-07-20 1995-01-26 Zahoransky Anton Gmbh & Co Vorrichtung zum Einstellen eines Stopfwerkzeug-Stößers
CN2209477Y (zh) * 1994-12-17 1995-10-11 龙昌兄弟股份有限公司 毛刷自动制造机
DE202005020231U1 (de) * 2005-12-27 2006-03-30 Firma G.B. Boucherie N.V. Bürsten-Stopfmaschine
CN201061345Y (zh) * 2007-03-29 2008-05-21 葛杰 模块化设计的高速运动、准确定位的植毛机
DE102009017794A1 (de) * 2008-05-21 2009-11-26 Zahoransky Ag Verfahren und Vorrichtung zum Einstellen eines Stößers
CN201414542Y (zh) * 2009-05-15 2010-03-03 王勇 植毛机机头
CN201595369U (zh) * 2010-01-22 2010-10-06 扬州市海星数控制刷设备有限公司 一种植毛机
BE1022749B1 (de) * 2014-12-22 2016-08-29 Gb Boucherie Nv Bürsten-Stopfmaschine

Also Published As

Publication number Publication date
TWI675633B (zh) 2019-11-01
KR102565289B1 (ko) 2023-08-08
BE1022749B1 (de) 2016-08-29
WO2016102223A1 (fr) 2016-06-30
KR20170101945A (ko) 2017-09-06
TW201633963A (zh) 2016-10-01
ES1211767U (es) 2018-05-08
CN107205543A (zh) 2017-09-26
BE1022749A1 (de) 2016-08-29
ES1211767Y (es) 2018-07-30
CN107205543B (zh) 2020-03-10
EP3236807A1 (fr) 2017-11-01
CN205432644U (zh) 2016-08-10
DE202015009043U1 (de) 2016-08-03

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