WO2025219829A1 - Machine de fabrication d'outils à poils - Google Patents

Machine de fabrication d'outils à poils

Info

Publication number
WO2025219829A1
WO2025219829A1 PCT/IB2025/053830 IB2025053830W WO2025219829A1 WO 2025219829 A1 WO2025219829 A1 WO 2025219829A1 IB 2025053830 W IB2025053830 W IB 2025053830W WO 2025219829 A1 WO2025219829 A1 WO 2025219829A1
Authority
WO
WIPO (PCT)
Prior art keywords
axis
operating element
bristle
rocker arm
machine
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.)
Pending
Application number
PCT/IB2025/053830
Other languages
English (en)
Inventor
Federico BALUGANI
Glauco Generali
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.)
Borghi SpA
Original Assignee
Borghi SpA
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 Borghi SpA filed Critical Borghi SpA
Publication of WO2025219829A1 publication Critical patent/WO2025219829A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • A46D3/08—Parts of brush-making machines

Definitions

  • the present invention relates to machines for making bristle tools for domestic and/or industrial use, in particular tools such as brushes, brooms, and the like, in which the bristle bundles are secured to the body of the tool by means of locking or anchoring elements.
  • the bristle bundles or tufts are secured to the bodies or bases of bristle tools, such as small brushes, brushes, brooms, and the like, by performing a drilling operation and a subsequent punching operation.
  • bristle tools such as small brushes, brushes, brooms, and the like
  • the bristles of each bundle are grouped and folded in a “U” shape around a respective anchoring element to form an anchoring end that is inserted by a punching element or punch together with the anchoring element into a corresponding hole of the tool body.
  • the punch generally comprises an internal seat leading to a front opening and suitable for receiving the bristle bundle and a related anchoring element from respective feeding means.
  • a thrust element said needle or tab, is mobile, arranged to push inside the hole of the tool body and there block the bristle bundle and the anchoring element by interference, when the punch is positioned adjacent and facing said hole.
  • the tab is secured and supported by a slider or slide which is mobile within the punch.
  • the punch and the tab are mobile with reciprocating motion and run respective forward strokes to insert the bristle bundle and the anchoring element into a hole of the tool body and respective backward strokes to disengage the hole and allow the displacement of the tool body.
  • a bristle displacement element is associated with the punch and arranged to displace the bristles already inserted in the holes so as to free access to an adjacent hole into which the punch must insert a respective bristle bundle.
  • a displacement element typically comprises a ring mounted on an arm and moved with reciprocating motion between an operating position, in which the ring is placed in front of the front opening of the punch, and a non-operating position in which the ring is spaced apart from the punch.
  • the bristle bundles are supplied one at a time to the punch typically by means of a bristle transfer element, so-called arch, which is mobile with reciprocating motion along an arched path so as to take a bristle bundle from a magazine and transfer and release it into the inner seat of the punch.
  • a bristle transfer element so-called arch
  • the anchoring elements are generally made from a metal wire that is cut into pieces of wire of predefined length inside the punch, upstream of the respective bristle bundle with respect to the tab that pushes the anchoring element and the bristle bundle into the hole at the base of the tool.
  • the shearing of the wire is performed by a linearly mobile cutting element or cutting element with reciprocating motion inside and along the longitudinal inner seat of the punch.
  • the piece of wire that forms the anchoring element is generally folded into a "U" shape by a shaping element before being inserted together with the relative bristle bundle inside the hole of the tool body.
  • the stop in the operating position at the tool body must have a sufficient duration to allow the punch to approach, the insertion of the bristle bundle and the anchoring element into the hole of the tool body by the tab and the disengagement and removal of the punch and the tab from the tool body.
  • the stop of the latter in front of the hole must have a duration such as to allow the tab to correctly insert the bristle bundle and the anchoring element into the hole.
  • the stop of the latter at the bristle magazine must be such as to allow the correct and complete removal of the bristle bundle.
  • the stop of the latter is provided to allow the moving of the metal wire after cutting.
  • WO 2011/045743 describes a punching head 1 for an apparatus for producing brushes or brooms which comprises at least one punch adapted to insert groups of bristles in a brush or broom body and punch driving means which are configured so as to be able to vary a stroke of the punch.
  • US 2014/167488 describes an automatic punching machine for the manufacture of brushes comprising a slide connected to a first actuator and suitable for receiving fibre bundles and forward them to a brush body; a needle connected to a second actuator for inserting the fibre bundles into corresponding openings of the brush body; first and second sensors for detecting first and second signals representing the position of the slide and the needle; a memory containing data of a trend of a control parameter representing the position of the slide as a function of a synchronization parameter having a predetermined relationship with a parameter representing the position of the needle; a processor programmed to derive in real time values of the synchronization parameter and to control the first actuator by feedback as a function of the first and second signals, the synchronization parameter, and the data contained in the memory.
  • US 6016757 describes an insertion device for a filling tool of a machine for making brushes that makes it possible to vary and adjust the stroke of the filling tool without affecting its speed and precision of operation.
  • the insertion device has a guide block provided with a guide channel, a driving tab operated with a reciprocating motion and received in the guide channel so as to be mobile, and a head with a through channel aligned with the guide channel. The head and the guide block are operated with a relative reciprocating motion.
  • the device also has a driving system with a rotating motor shaft, a cam on the motor shaft and a cam follower that slides on the cam. The cam follower is operated by the cam with reciprocating motion having a predetermined stroke length.
  • the driving system further comprises a conversion mechanism for converting the reciprocating motion with predetermined stroke length into a driving stroke having an adjustable variable length.
  • the reciprocating motion between the head and the guide block and the reciprocating motion of the driving tab are both derived from the driving stroke which imparts a variable length stroke to both reciprocating motions.
  • the driving tab and the head and guide block constantly assume a predetermined starting position regardless of the stroke length of the reciprocating motions to take control of a tuft of fibre. It is an object of the present invention to improve the known machines for making bristle tools for domestic and/or industrial use, in particular tools in which the bristle bundles are secured to the body of the tool by means of locking elements.
  • Another object is to provide a machine for making bristle tools capable of operating at high operating speeds or rates and which, in particular, allows precise and repeatable movement of operating elements of the machine with respective reciprocating motions that provide, in addition to a forward stroke and a backward stroke, a stop.
  • a further object is to provide a machine for making bristle tools having a robust and reliable construction and particularly precise and accurate operation.
  • figure l is a schematic view of the machine for making bristle tools of the invention
  • figure 2 is a simplified front view of a moving device of the machine of figure 1 associated with and driving an operating element of said machine with reciprocating motion in a first motion configuration
  • figure 3 is a simplified front view of the moving device of figure 2 in a further motion configuration
  • figure 4 is a kinematic diagram of the moving device of figure 2 illustrated in the first motion configuration and with dotted line in the second motion configuration and in an intermediate motion configuration
  • figure 5 is a motion diagram illustrating the reciprocating motion realized by the moving device of figure 2
  • figure 6 is a simplified front view of the moving device of the figure illustrated in the first motion configuration and, in dotted lines, in an intermediate configuration.
  • each tool 50 comprising a body 51 provided with a plurality of open cavities 52 suitable for receiving respective bundles of bristles 60 and related anchoring elements 62.
  • the machine 1 comprises a first operating element 2 for punching, said punch, adapted to insert a bristle bundle 60 and a related anchoring element 62 into a cavity 52 of the body 51, a second operating element 3 for transferring, said arch, adapted to take one bristle bundle 60 at a time from a bristle magazine 41 and transfer it and release it to the first operating element 2 for punching and a third operating element 4 for displacement, said bristle spreaders adapted to move the bristle bundles 60 already inserted into the cavities 52 so as to free the access to an adjacent cavity 52 into which the punch 2 must insert a respective bristle bundle 60.
  • the punching element 2 is linearly mobile with reciprocating motion along an operating path W and is provided with an internal longitudinal seat 44 suitable for receiving the bristle bundle 60 and the related anchoring element 62.
  • the punching element 2 is slidably supported by frame means 5 of the machine 1 and is mobile with a reciprocating motion between a disengagement position, in which a front end 2a of said punching element 2 is spaced apart from the body 51 of the bristle tool 50, and an engagement position, in which the front end 2a is adjacent and facing a cavity 52 of the body 51.
  • the punching element 2 performs a respective forward stroke when moved from the disengagement position to the engagement position and a respective backward stroke when moved from the engagement position to the disengagement position.
  • a thrust element 6 is linearly mobile within the internal longitudinal seat 44 with reciprocating motion along the same operating path W and is configured for pushing out of the punching element 2 through the front end 2a and insert a bristle bundle 60 and a related anchoring element 61 into a cavity 52 of the body 51.
  • the second transfer operating element 3 is mobile with reciprocating motion along an arched path, between a picking position in which a front portion 3a thereof provided with a picking seat is arranged at the magazine 41 containing a plurality of bristles 61 and a release position in which front portion 3a thereof is inserted inside the punching element to release in the internal longitudinal seat 44 the bundle of bristles 60 picked up from the magazine 41.
  • the third displacement operating element 4 also of known type and not described and illustrated in detail, comprises a ring mounted on an arm and moved with reciprocating motion along an arched path between a respective operating position, in which the ring is placed in front of the first punching operating element 2 (fig. 1) and a respective nonoperating position in which the ring is spaced apart from the first operating element 2.
  • the machine 1 also comprises feeding means for the anchoring element, in order to provide one anchoring element 62 at a time to be associated with a respective bristle bundle 60.
  • Said feeding means of the anchoring elements comprise, for example, forward means 45 arranged to linearly move and introduce a metal wire 65 inside the punching element 2 and a fourth cutting operating element 7 arranged to cut the wire 65 and obtain wire pieces of defined length that form respective anchoring elements 62.
  • the metal wire 65 is moved and inserted inside the punching element 2 along a forward direction C, transverse and almost orthogonal to the operating path W by the forward means 45 comprising, for example, a pair of opposed motorised rollers.
  • the fourth cutting operating element 7 is linearly mobile with reciprocating motion along a respective further operating path K inside the internal longitudinal seat 44.
  • the further operating path K of the fourth cutting operating element 7 therefore coincides with the operating path W of the first punching operating element 2 and of the thrust element 6.
  • the fourth cutting operating element 7 is configured, in addition to shearing the wire 65 in order to obtain the wire pieces of defined length, to fold each wire piece into a "U" shape against a shaping element 8, of a known type, insertable and disengageable with reciprocating motion transversely inside the internal longitudinal seat 44.
  • the machine 1 of the invention further comprises at least one moving device 10 supported by the frame means 5 and arranged to move one of the above-described operating elements 2, 3, 4, 7 with a reciprocating motion comprising a forward stroke Ca and a backward stroke Cr and a dwell step s between the strokes Ca, Cr.
  • the machine 1 of the invention comprises a plurality of moving devices 10 arranged to move respectively the first punching operating element 2, the second transferring operating element 3 and the third displacement operating element 4 with a reciprocating motion comprising a forward stroke Ca and a backward stroke Cr and a dwell step S between the two strokes Ca, Cr.
  • a respective moving device 10 for moving the fourth cutting operating element 7 with a reciprocating motion comprising a forward stroke Ca and a backward stroke Cr and a dwell step S between the strokes Ca, Cr.
  • each moving device 10 comprises a first rocker arm 11 and a second rocker arm 12 having respective first ends I la, 12a connected to the frame means 5 rotatably about a first axis XI and a second axis X2 respectively and respective second ends 11b, 12b connected to a first connecting rod 13 rotatably about a third axis X3 and a fourth axis X4 respectively so as to form a first four-bar linkage mechanism 21. More precisely, the first four-bar linkage mechanism 21 is formed by two rocker arms 11, 12, by the first connecting rod 13 and by the frame means 5.
  • the second rocker arm 12 comprises a connecting portion 12c adapted to support and/or move an operating element 2, 3, 4, 7.
  • This connecting portion 12c extends from the second end 12a on the opposite side with respect to the first end 12a.
  • the moving device 10 further comprises a crank 14 driven in rotation by a rotary actuator 30 about a fifth axis X5, in particular with the same direction of rotation, and a second connecting rod 15, or driver connecting rod, having respective opposite ends 15a, 15b rotatably connected respectively about a sixth axis X6 to the crank 14 and about a seventh axis X7 to an intermediate portion 11c of the first rocker arm 11.
  • the crank 14, the second connecting rod 15 form with the first rocker arm 11 (and with the frame means 5 supporting the rotary actuator 30 and rotatably the first end 1 la of the first rocker arm 11) a second four- bar linkage mechanism 22, which is then added and combined to the first four-bar linkage mechanism 21.
  • the crank 14 comprises a disc provided in the centre with a seat coaxial to the fifth axis X5 for connection to a motor shaft of the rotary actuator 30 and with a pin 34 eccentric with respect to the seat for rotary connection with a first end 15a of the second connecting rod 15 about the sixth axis X6.
  • the distance between the fifth axis X5 and the second axis X6, i.e. between the seat housing the motor shaft of the rotary actuator 30 and the eccentric pin 34 represents the length of the crank 14.
  • the rocker arms 11, 12, the connecting rods 13, 15 and the crank 14 are dimensioned and connected in such a way that in the dwell step s of the reciprocating motion they are arranged in a first motion configuration A in which the first axis XI, the third axis X3 and the fourth axis X4 are substantially aligned along a first direction T1 and the fifth axis X5, the sixth axis X6 and the seventh axis X7 are substantially aligned along a second direction T2, transverse to the first direction Tl, the fifth axis X5 being interposed between the sixth axis X6 and the seventh axis X7.
  • the crank 14 and the second connecting rod 15 are arranged in a first position Pl of top dead centre of the second four-bar linkage mechanism 22.
  • the superimposition of the top dead centres of the two four-bar linkage mechanisms 21, 22 determines, as known, that while the crank 14 travels through a first angle a containing the respective first top dead angle position Pl, the first rocker arm 11 oscillates around the first axis XI of a second angle 0 containing the respective second position P2 of top dead centre and the second rocker arm 12 oscillates by a third angle y around the second axis X2.
  • the crank 14 rotates by a first angle a equal to 45°
  • the first rocker arm oscillates by a second angle 0 equal to about 4.2°
  • the second rocker arm 12 oscillates by a third angle y equal to 0.72°, i.e. by a very small angle, which results in a practically zero displacement of the operating element 2, 3, 4, 7 connected to and moved by the moving mechanism (as is evident in figure 6 in which the two four-bar linkage mechanisms 21, 22 are illustrated in two overlapping configurations of motion corresponding to a rotation of 45° of the crank 14 and the operating element 3 is graphically almost stationary in the same position).
  • the rotary actuator 30 comprises, for example, an electric motor controllable in position, speed, acceleration, in particular a brushless electric motor that makes it possible in a known way to set a desired law of motion in its rotation to adjust speed and angular acceleration of the crank 14. More precisely, it is possible to control the brushless electric motor according to a particular law of motion so as to set the desired speed and acceleration values of the second rocker arm 12, i.e. of the operating element 2, 3, 4, 7 in the forward strokes Ca and in the backward stroke Cr and the duration of the dwell step s.
  • an electric motor controllable in position, speed, acceleration in particular a brushless electric motor that makes it possible in a known way to set a desired law of motion in its rotation to adjust speed and angular acceleration of the crank 14. More precisely, it is possible to control the brushless electric motor according to a particular law of motion so as to set the desired speed and acceleration values of the second rocker arm 12, i.e. of the operating element 2, 3, 4, 7 in the forward strokes Ca and in the backward stroke
  • a 360° rotation of the crank 14 about the fifth axis X5 corresponds to an overall angular oscillation ytot of the second rocker arm 12 and therefore of the operating element 3 during the stroke (forward or backward).
  • the rocker arms 11, 12, the connecting rods 13, 15 and the crank 14 in a phase of inversion of the reciprocating motion between the two strokes Ca, Cr are arranged in a second motion configuration B (illustrated with a dotted line in the kinematic diagram of the moving device 10 of figure 4) in which the fifth axis X5, the sixth axis X6 and the seventh axis X7 are substantially aligned along the second direction T2, with the sixth axis X6 interposed between the fifth axis X5 and the seventh axis X7. More precisely, in the second motion configuration B of the moving device 10 the crank 14 and the second connecting rod 15 are arranged in a third position P3 of bottom dead centre of the second linkage mechanism 22.
  • a dead centre position of the first four-bar linkage mechanism 21 does not correspond to this third position P3 of bottom dead centre of the second four-bar linkage mechanism 22, since as evident from figures 3 and 4, the first axis XI, the third axis X3 and the fourth axis X4 are not aligned.
  • the crank 14 travels a further first angle containing the third bottom dead angle position P3
  • the first rocker arm 11 oscillates about the first axis XI of a further second angle which does not contain a top dead centre position and the second rocker arm 12 oscillates by a further third angle about the second axis X2 which is not negligible.
  • the first rocker arm 11 oscillates by a further second angle equal to about 5.91° while the second rocker arm 12 oscillates by a further third angle equal to 9.64°, thus resulting in a non- negligible displacement of the operating element 2, 3, 4, 7 connected and moved by the driving mechanism.
  • the operating element 2, 3, 4, 7 is still moved, that is, it is not stopped in the dwell step.
  • the operation of the machine 1 of the invention provides for the activation of the various moving devices 10 for respectively moving the first punching operating element 2, the second transferring operating element 3, the third displacement operating element 4 and the fourth cutting operating element 7.
  • each moving device 10 provides for driving the respective brushless electric motor 30 to rotate the crank 14 about the fifth axis X5 according to a predefined law of motion.
  • the crank 14, by rotating, oscillates the first rocker arm 11 by means of the second connecting rod 15, that is, it moves the second four-bar linkage mechanism 22.
  • the first rocker arm 11 oscillating around the first axis XI moves the second rocker arm 12, to which the operating element is connected, through the first connecting rod 13, i.e. it moves the first four-bar linkage mechanism 21.
  • the dwell step s in this case coincides with the lower position L of the operating element illustrated in figure 2 and the first motion configuration A of the moving device 10.
  • the machine 1 of the invention is therefore able to operate at high operating rates, making it possible to move the operating elements 2, 3, 4, 7 with a reciprocating motion that comprises a forward stroke Ca, a backward stroke Cr and a dwell step s between the strokes Ca, Cr, without excessively stressing the electric motor 30 which must not abruptly decelerate and stop and then re-accelerate to achieve the necessary dwell step s. Therefore, even at high operating rates of the machine, the electric motor 30 maintains normal functionality, durability and reliability over time.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Transmission Devices (AREA)

Abstract

Une machine (1) de fabrication d'outils à poils (50) comprend au moins l'un d'un premier élément d'actionnement (2) pour insérer un faisceau de poils (60) et d'un élément d'ancrage (62) dans une cavité (52) d'un corps (51) d'un outil (50) ; un deuxième élément d'actionnement (3) pour prendre un faisceau de poils (60) à partir d'un magasin de poils (41) ; un troisième élément d'actionnement (4) pour déplacer des faisceaux de poils (60) déjà insérés dans la cavité (52) ; un quatrième élément d'actionnement (7) mobile pour cisailler un fil métallique (65) et créer des éléments d'ancrage (62) et au moins un dispositif de déplacement (10) pour déplacer l'un des éléments d'actionnement (2, 3, 4, 7) avec un mouvement de va-et-vient comprenant une course vers l'avant (Ca) et une course vers l'arrière (Cr) et une étape de pause (s) entre les courses (Ca, Cr) ; le dispositif de déplacement (10) comprend un premier et un second culbuteurs (11, 12) présentant des premières extrémités respectives (11a, 12a) reliées à des moyens de cadre (5) et des secondes extrémités (11b, 12b) reliées à une première tige de liaison (13) pour former un premier mécanisme de liaison à quatre barres (21), le second culbuteur (12) comprenant une partie de liaison (12c) pour déplacer l'élément d'actionnement (2, 3, 4, 7) ; une manivelle (14) entraînée par un actionneur rotatif (30) et une seconde tige de liaison (15) reliée de manière rotative à la manivelle (14) et à une partie intermédiaire (11c) dudit premier culbuteur (11) ; la manivelle (14) et la seconde tige de liaison (15) forment avec le premier culbuteur (11) un second mécanisme de liaison à quatre barres (22).
PCT/IB2025/053830 2024-04-15 2025-04-11 Machine de fabrication d'outils à poils Pending WO2025219829A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT202400008503 2024-04-15
IT102024000008503 2024-04-15

Publications (1)

Publication Number Publication Date
WO2025219829A1 true WO2025219829A1 (fr) 2025-10-23

Family

ID=91738611

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2025/053830 Pending WO2025219829A1 (fr) 2024-04-15 2025-04-11 Machine de fabrication d'outils à poils

Country Status (1)

Country Link
WO (1) WO2025219829A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6016757A (en) 1997-09-19 2000-01-25 G.B. Boucherie N.V. Tufting device for a brush tufting machine
WO2011045743A2 (fr) 2009-10-15 2011-04-21 Borghi S.P.A. Tête de poinçonnage pour un appareil destiné à fabriquer des brosses et des balais au moyen d'une poinçonneuse à frappe variable
US20140167488A1 (en) 2012-12-18 2014-06-19 Borghi S.P.A. Automatic punching machine for making brushes and method for automatically making brushes by punching

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6016757A (en) 1997-09-19 2000-01-25 G.B. Boucherie N.V. Tufting device for a brush tufting machine
WO2011045743A2 (fr) 2009-10-15 2011-04-21 Borghi S.P.A. Tête de poinçonnage pour un appareil destiné à fabriquer des brosses et des balais au moyen d'une poinçonneuse à frappe variable
US20140167488A1 (en) 2012-12-18 2014-06-19 Borghi S.P.A. Automatic punching machine for making brushes and method for automatically making brushes by punching

Similar Documents

Publication Publication Date Title
EP0538905B1 (fr) Dispositif de mise en action des tubes de guidage pour la fabrication de bobinages de champ pour moteurs électriques
KR102565289B1 (ko) 브러쉬 스터핑 머신
US4762283A (en) Machine and method for forming windings on electric motor stators
US3822830A (en) Stator core winding machine
EP2453775B1 (fr) Tête de poinçonnage pour un appareil destiné à fabriquer des brosses et des balais au moyen d'une poinçonneuse à frappe variable
US4548031A (en) Machine for producing ornamental chains made up of links of different forms and/or dimensions connected in any programmable sequence
WO2025219829A1 (fr) Machine de fabrication d'outils à poils
JPH11124759A (ja) フォールプレートバーを有する経編機
EP1493355B1 (fr) Procédé et dispositif pour la fabrication des brosses
JP3347079B2 (ja) 横編機の端糸挿入装置
CN103371612B (zh) 刷子制造装置
TWI547247B (zh) Brush manufacturing device
KR101450886B1 (ko) 공작기계용 ａｔｃ에서의 공구교환 및 도어개폐 연동장치
WO2025219828A1 (fr) Machine de fabrication d'outils à poils
EP2801420B1 (fr) Dispositif et procédé de transfert de ressort
JP2000316260A (ja) ニードル巻線装置
KR101846040B1 (ko) 다이나모일렉트릭 장치의 코어 부품의 코일을 권취하기 위하여 사용된 와이어 분배 부재의 운동을 위한 장치
CN109075676B (zh) 针管循环组件及绕线机
CN110636777B (zh) 毛刷填塞设备
CN103052340B (zh) 制刷机中的运输设备以及用于输送刷子部件的方法
JPH1066313A (ja) 巻線方法及び巻線装置
TWI789387B (zh) 用於製造刷子的方法與設備
JP2024508211A (ja) ブリッスル製品を製造するための装置
US5542749A (en) Method and apparatus for gathering and forming a tuft of brush bristles
JP4401072B2 (ja) ステータコアへの巻線装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 25724001

Country of ref document: EP

Kind code of ref document: A1