EP1917886A1 - Method for manufacturing wire-wound brushes - Google Patents

Method for manufacturing wire-wound brushes Download PDF

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Publication number
EP1917886A1
EP1917886A1 EP07075755A EP07075755A EP1917886A1 EP 1917886 A1 EP1917886 A1 EP 1917886A1 EP 07075755 A EP07075755 A EP 07075755A EP 07075755 A EP07075755 A EP 07075755A EP 1917886 A1 EP1917886 A1 EP 1917886A1
Authority
EP
European Patent Office
Prior art keywords
wire parts
winding
wire
wound
fibers
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
Application number
EP07075755A
Other languages
German (de)
French (fr)
Other versions
EP1917886B8 (en
EP1917886B1 (en
Inventor
Bart Gerard Boucherie
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
Original Assignee
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 EP1917886A1 publication Critical patent/EP1917886A1/en
Application granted granted Critical
Publication of EP1917886B1 publication Critical patent/EP1917886B1/en
Publication of EP1917886B8 publication Critical patent/EP1917886B8/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A46D3/05—Machines for inserting or fixing bristles in bodies for fixing the bristles between wires, tapes, or the like
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1046—Brush used for applying cosmetics
    • A46B2200/1053—Cosmetics applicator specifically for mascara
    • 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
    • A46B2200/108—Inter-dental toothbrush, i.e. for cleaning interdental spaces specifically

Definitions

  • the present invention concerns a method for manufacturing wire-wound brushes, for example little mascara brushes or little brushes for brushing between the teeth.
  • wire-wound brushes consist of two wire parts that are mutually wound in a spiral manner and in between which are provided fibers.
  • it is known to bend a wire in two, such that two wire parts are obtained extending parallel to each other.
  • Between both wire parts is then provided a number of fibers which are being held by means of a gripper, after which the wire parts are spirally wound in relation to each other.
  • the fibers While being wound, the fibers are clamped between both wire parts and the gripper releases the fibers, as a result of which the number of fibers is spirally turned so as to form a helix.
  • the fibers can be trimmed or subjected to another finishing operation.
  • a major challenge when manufacturing wire-wound brushes is to lower the production time and to obtain an optimal brush quality.
  • the step of winding the wire parts is crucial.
  • the operational step of winding the wire parts is not only a relatively time-consuming step, it is moreover extremely important for a correct positioning of the fibers in the brush.
  • the fibers are clamped between these wire parts, whereby the gripper with which the fibers can be provided between the wire parts has to release the fibers to avoid any shifting of the fibers in relation to the wire parts.
  • Such a shift might arise when the fibers are mutually turned crosswise to their longitudinal axis themselves due to the wire parts being wound, while the gripper is kept stationary.
  • the present invention aims to alter the method for manufacturing wire-wound brushes in such a way that the time to produce the brushes can be reduced without losing quality.
  • the invention concerns a method which mainly consists in positioning one or several fibers between two wire parts by means of a gripper; in winding the wire parts up to a desired winding degree; in opening the gripper as soon as one or several fibers have been clamped between both partly wound wire parts, whereby the winding of the wire parts is split in two operational steps, namely a first operational step in which the wire parts are being wound until at least one or several fibers has/have been clamped between both wire parts, and a second operational step in which the wire parts with one or several fibers in between them are being wound further up to the aforesaid desired winding degree.
  • An advantage of the method according to the invention is that the fibers are clamped between the wire parts in a separate operational step, such that the time required to realize this operational step can be calculated with a relatively large margin, after which the wire parts are wound further in a subsequent operational step while, at the same time, fibers are already being clamped between the wire parts of a following brush in the production process.
  • the speed at which the wire parts are wound while the fibers are being clamped between the wire parts is preferably lower than the speed at which the wire parts are wound in the subsequent operational step.
  • the time at which the fibers will be clamped between the wire parts can be determined relatively accurately, such that also the time required to open the gripper that positions the fibers between the wire parts can be determined and controlled relatively accurately, such that a good quality of the produced brushes can be guaranteed without this slowing down the production process as a whole.
  • the production process is accelerated in relation to the production time of a known method to obtain the same quality of brushes.
  • the present invention also concerns a device for manufacturing brushes according to the above-described method, which mainly consists of a clamp for wire parts provided on means which make it possible to present the wire parts to different winding stations, whereby the device comprises at least a first winding station which consist of a gripper for applying and positioning one or more fibers between the wire parts and means which make it possible to mutually wind the wire parts; and whereby it comprises at least one additional winding station which consists of means for winding the wire parts up to a desired winding degree.
  • FIGS 1 to 6 schematically illustrate some operational steps for manufacturing wire-wound brushes.
  • the different operational steps are preferably carried out at different work stations provided along a turntable, a conveyor belt or the like.
  • Figure 1 schematically represents a first work station 1 which at least consists of two guides 2 and a striking pen 3, whereby between the guides and the striking pen 3 is presented a wire 4, after which the striking pen 3 is moved in between the guides 2 and hereby folds the aforesaid wire 4 in two, i.e. into two wire parts 4A-4B.
  • the folded end 5 of the wire 4 is clamped in a clamping means 6 which can be moved on the turntable, the conveyor belt or the like.
  • the second work station 7 in this case consists of a gripper 8 which makes it possible to pick up one or several fibers 9 from a cartridge and to position it/them between both wire parts 4A-4B, and of non-illustrated means which make it possible to mutually wind the wire parts 4A-4B.
  • the wire parts 4A-4B are wound round each other so as to form a spiral 10.
  • the fibers 9 are clamped between the wire parts 4A-4B, and the gripper 8 must release the fibers so as to prevent the fibers 9 from being shifted in relation to the wire parts 4A-4B, which is not desirable in view of the quality of the brush to be produced.
  • the winding of the wire parts 4A-4B is restricted to the moment when the wire parts 4A-4B have been sufficiently wound so as to guarantee a good clamping of one or several of the fibers 9.
  • the acceleration and the speed at which the wire parts 4A-4B are being wound is preferably restricted so as to be able to determine the moment at which the gripper 8 should be opened relatively accurately, such that the fibers 9 can turn along unhindered with the winding of the wire parts 4A-4B on the one hand, and such that the fibers 9 are sufficiently clamped between the wire parts 4A-4B on the other hand so as to avoid any shift of the fibers under the influence of, for example, the gravitational force on the other hand.
  • the spiral 10 containing the fibers 9 is presented to a subsequent work station by means of the clamping means 6.
  • the wire parts 4A-4B are further wound until, as represented in figure 5, a desired winding degree has been obtained after the final winding station.
  • the speed for winding the wire parts 4A-4B can be set higher than in the first winding step in which the fibers 9 are fixed between the wire parts 4A-4B.
  • one winding station is always used to further wind the wire parts 4A-4B, while the other winding station prepares a subsequent brush in the production line for further winding by applying one or several fibers 9 between the wire parts 4A-4B concerned.
  • wire parts 4A-4B must not necessarily be part of the same wire 4; it is also possible to use two loose wire parts.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Brushes (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

Method for manufacturing wire-wound brushes, which mainly consists in positioning one or several fibers (9) between two wire parts (4A-4B) by means of a gripper (8); in winding the wire parts (4A-4B) up to a desired winding degree; in opening the gripper (8) as soon as one or several fibers (9) have been clamped between both partly wound wire parts (4A-4B), whereby the winding of the wire parts (4A-4B) is split in at least two operational steps, namely a first winding step in which the wire parts (4A-4B) are being wound until at least one or several fibers (9) has/have been clamped between both wire parts (4A-4B), and at least one further winding step in which the wire parts (4A-4B) are being wound further up to the aforesaid desired winding degree.

Description

  • The present invention concerns a method for manufacturing wire-wound brushes, for example little mascara brushes or little brushes for brushing between the teeth.
  • As is known, wire-wound brushes consist of two wire parts that are mutually wound in a spiral manner and in between which are provided fibers. In order to manufacture such brushes, it is known to bend a wire in two, such that two wire parts are obtained extending parallel to each other. Between both wire parts is then provided a number of fibers which are being held by means of a gripper, after which the wire parts are spirally wound in relation to each other.
  • While being wound, the fibers are clamped between both wire parts and the gripper releases the fibers, as a result of which the number of fibers is spirally turned so as to form a helix.
  • Possibly, the fibers can be trimmed or subjected to another finishing operation.
  • A major challenge when manufacturing wire-wound brushes is to lower the production time and to obtain an optimal brush quality. From this point of view, the step of winding the wire parts is crucial. For, the operational step of winding the wire parts is not only a relatively time-consuming step, it is moreover extremely important for a correct positioning of the fibers in the brush.
  • Indeed, as the wire parts are being wound, the fibers are clamped between these wire parts, whereby the gripper with which the fibers can be provided between the wire parts has to release the fibers to avoid any shifting of the fibers in relation to the wire parts. Such a shift might arise when the fibers are mutually turned crosswise to their longitudinal axis themselves due to the wire parts being wound, while the gripper is kept stationary.
  • On the other hand, opening the gripper before the wire parts have been sufficiently wound so as to guarantee a good clamping of the fibers could result in a movement of the fibers in relation to the wire parts under the influence of the gravitational force or of mutual shearing forces between the wire parts.
  • The present invention aims to alter the method for manufacturing wire-wound brushes in such a way that the time to produce the brushes can be reduced without losing quality.
  • To this end, the invention concerns a method which mainly consists in positioning one or several fibers between two wire parts by means of a gripper; in winding the wire parts up to a desired winding degree; in opening the gripper as soon as one or several fibers have been clamped between both partly wound wire parts, whereby the winding of the wire parts is split in two operational steps, namely a first operational step in which the wire parts are being wound until at least one or several fibers has/have been clamped between both wire parts, and a second operational step in which the wire parts with one or several fibers in between them are being wound further up to the aforesaid desired winding degree.
  • An advantage of the method according to the invention is that the fibers are clamped between the wire parts in a separate operational step, such that the time required to realize this operational step can be calculated with a relatively large margin, after which the wire parts are wound further in a subsequent operational step while, at the same time, fibers are already being clamped between the wire parts of a following brush in the production process.
  • The speed at which the wire parts are wound while the fibers are being clamped between the wire parts is preferably lower than the speed at which the wire parts are wound in the subsequent operational step.
  • By selecting a winding speed that is sufficiently low while clamping the fibers between the wire parts, the time at which the fibers will be clamped between the wire parts can be determined relatively accurately, such that also the time required to open the gripper that positions the fibers between the wire parts can be determined and controlled relatively accurately, such that a good quality of the produced brushes can be guaranteed without this slowing down the production process as a whole. On the contrary, by imposing a high winding speed as the wire parts are being further wound, the production process is accelerated in relation to the production time of a known method to obtain the same quality of brushes.
  • The present invention also concerns a device for manufacturing brushes according to the above-described method, which mainly consists of a clamp for wire parts provided on means which make it possible to present the wire parts to different winding stations, whereby the device comprises at least a first winding station which consist of a gripper for applying and positioning one or more fibers between the wire parts and means which make it possible to mutually wind the wire parts; and whereby it comprises at least one additional winding station which consists of means for winding the wire parts up to a desired winding degree.
  • In order to better explain the characteristics of the present invention, a method and device according to the invention for manufacturing wire-wound brushes are described hereafter with reference to the accompanying drawings, in which:
    • figures 1 and 2 schematically represent an operational step according to the invention;
    • figures 3 and 4 schematically represent another operational step according to the invention;
    • figure 5 represents an operational step according to the invention following the operational step represented in figures 3 and 4;
    • figure 6 represents yet another operational step according to the invention.
  • Figures 1 to 6 schematically illustrate some operational steps for manufacturing wire-wound brushes.
  • The different operational steps are preferably carried out at different work stations provided along a turntable, a conveyor belt or the like.
  • The construction of such a turntable, conveyor belt or the like is generally known to the professional and will not be treated in any further detail here.
  • Figure 1 schematically represents a first work station 1 which at least consists of two guides 2 and a striking pen 3, whereby between the guides and the striking pen 3 is presented a wire 4, after which the striking pen 3 is moved in between the guides 2 and hereby folds the aforesaid wire 4 in two, i.e. into two wire parts 4A-4B.
  • In this case, and as represented in figure 2, the folded end 5 of the wire 4 is clamped in a clamping means 6 which can be moved on the turntable, the conveyor belt or the like.
  • After the wire 4 has been folded, the striking pen 3 is put back into its original position, and the folded wire, together with the clamping means 6, is presented to a following work station which is schematically represented in figure 3.
  • The second work station 7 in this case consists of a gripper 8 which makes it possible to pick up one or several fibers 9 from a cartridge and to position it/them between both wire parts 4A-4B, and of non-illustrated means which make it possible to mutually wind the wire parts 4A-4B.
  • Such means for winding the wire parts 4A-4B are generally known to the professional and will not be further described here.
  • In this work station 7, by means of the gripper 8, are provided one or several fibers 9 between the wire parts 4A-4B, whereby said one or several fibers 9 extend crosswise in relation to the wire parts 4A-4B.
  • Next, the wire parts 4A-4B are wound round each other so as to form a spiral 10. During this winding of the wire parts 4A-4B, the fibers 9 are clamped between the wire parts 4A-4B, and the gripper 8 must release the fibers so as to prevent the fibers 9 from being shifted in relation to the wire parts 4A-4B, which is not desirable in view of the quality of the brush to be produced.
  • According to the invention, in this operational step, the winding of the wire parts 4A-4B is restricted to the moment when the wire parts 4A-4B have been sufficiently wound so as to guarantee a good clamping of one or several of the fibers 9.
  • During this winding step, the acceleration and the speed at which the wire parts 4A-4B are being wound is preferably restricted so as to be able to determine the moment at which the gripper 8 should be opened relatively accurately, such that the fibers 9 can turn along unhindered with the winding of the wire parts 4A-4B on the one hand, and such that the fibers 9 are sufficiently clamped between the wire parts 4A-4B on the other hand so as to avoid any shift of the fibers under the influence of, for example, the gravitational force on the other hand.
  • At the end of this operational step, the spiral 10 containing the fibers 9 is presented to a subsequent work station by means of the clamping means 6. In at least one of the following work stations, the wire parts 4A-4B are further wound until, as represented in figure 5, a desired winding degree has been obtained after the final winding station.
  • In between the different work stations can also be carried out other operations, such as for example the cutting of the fibers.
  • It is clear that, in this second winding step, the speed for winding the wire parts 4A-4B can be set higher than in the first winding step in which the fibers 9 are fixed between the wire parts 4A-4B.
  • After the wire parts 4A-4B have been wound, some final processing can be carried out, such as finishing the fiber ends and/or providing a handle 11, in order to obtain a finished brush 12 of the type represented in figure 6.
  • It should be noted that both operational steps for winding the wire parts 4A-4B are physically separated and that, as a consequence, every production line must comprise at least two work stations with means for winding the wire parts.
  • Naturally, it is also possible to carry out the entire winding process, including a first winding step at low speed, and a second winding step at high speed, in one and the same station. In the latter case, according to the invention, two such work stations should be provided in a single production line, whereby these stations alternately carry out the first and the second winding step without the wire parts 4A-4B being transferred from one work station to the other.
  • It is important, however, that one winding station is always used to further wind the wire parts 4A-4B, while the other winding station prepares a subsequent brush in the production line for further winding by applying one or several fibers 9 between the wire parts 4A-4B concerned.
  • It should be noted that the wire parts 4A-4B must not necessarily be part of the same wire 4; it is also possible to use two loose wire parts.
  • The present invention is by no means restricted to the embodiments described above and represented in the accompanying drawings; on the contrary, it can be realized according to different variants while still remaining within the scope of the invention.

Claims (4)

  1. Method for manufacturing wire-wound brushes, which mainly consists in positioning one or several fibers (9) between two wire parts (4A-4B) by means of a gripper (8); in winding the wire parts (4A-4B) up to a desired winding degree; in opening the gripper (8) as soon as one or several fibers (9) have been clamped between both partly wound wire parts (4A-4B), characterized in that the winding of the wire parts (4A-4B) is split in at least two operational steps, namely a first winding step in which the wire parts (4A-4B) are being wound until at least one or several fibers (9) has/have been clamped between both wire parts (4A-4B), and at least one further, second winding step in which the wire parts (4A-4B) with one or several fibers (9) in between them are being wound further up to the aforesaid desired winding degree.
  2. Method according to claim 1, characterized in that in the aforesaid first winding step for clamping one or several fibers (9) between the wire parts (4A-4B), the wire parts (4A-4B) are being wound at a lower speed than in the winding step in which the wire parts (4A-4B) are being wound further up to the desired winding degree.
  3. Method according to any one of claims 1 or 2, characterized in that while carrying out the aforesaid second or further winding step, the first winding step is carried out to manufacture a following wire-wound brush (12) in a single production line.
  4. Device for manufacturing brushes with a method according to any one of the preceding claims, which mainly consists of a clamping means (6) for wire parts (4A-4B) provided on means which make it possible to present the wire parts (4A-4B) to different work stations, characterized in that the device comprises at least a first winding station which consists of a gripper (8) for providing and positioning one or several fibers (9) between the wire parts (4A-4B) and means which make it possible to mutually wind the wire parts (4A-4B); and which comprises a second winding station which consists of means for winding the wire parts (4A-4B) up to a desired winding degree.
EP07075755A 2006-10-31 2007-09-04 Method for manufacturing wire-wound brushes Active EP1917886B8 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE2006/0532A BE1017281A3 (en) 2006-10-31 2006-10-31 METHOD FOR MANUFACTURING WIRE-WRILLED BRUSHES

Publications (3)

Publication Number Publication Date
EP1917886A1 true EP1917886A1 (en) 2008-05-07
EP1917886B1 EP1917886B1 (en) 2010-08-04
EP1917886B8 EP1917886B8 (en) 2010-11-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP07075755A Active EP1917886B8 (en) 2006-10-31 2007-09-04 Method for manufacturing wire-wound brushes

Country Status (4)

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EP (1) EP1917886B8 (en)
AT (1) ATE476112T1 (en)
BE (1) BE1017281A3 (en)
DE (1) DE602007008185D1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008036206A1 (en) 2008-08-02 2010-02-04 Zahoransky Ag Brush manufacturing machine for e.g. interdental brush, has wire twisting devices positioned between inserting place and processing and/or ejection place and driven during positioning movement between places for twisting
US8915551B2 (en) 2011-03-24 2014-12-23 Zahoransky Ag Apparatus and method for producing round brushes
US10932558B2 (en) 2016-04-27 2021-03-02 Borghi S.P.A. Device for producing round brushes
DE102020111870B3 (en) 2020-04-30 2021-07-15 Gb Boucherie Nv Method and device for manufacturing a round brush

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202011004383U1 (en) 2011-03-24 2013-02-06 Zahoransky Ag Device for producing round brushes

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1888351A (en) * 1930-06-20 1932-11-22 Ox Fibre Brush Company Inc Machine for making brushes
US2358443A (en) * 1942-02-16 1944-09-19 Fuller Brush Co Brushmaking machine
US2483627A (en) * 1945-02-03 1949-10-04 Vernon F Dale Method of producing helical brushes
GB665097A (en) * 1945-08-06 1952-01-16 Osborn Mfg Co Improvements in or relating to the manufacture of brushes
GB2174895A (en) * 1985-05-17 1986-11-19 Rodney David Cole Material applicator
DE19633081C1 (en) * 1996-08-16 1998-01-08 Woehler Tech Buersten Maschine Method and appliance for producing brushes with transverse tufts of bristles

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1888351A (en) * 1930-06-20 1932-11-22 Ox Fibre Brush Company Inc Machine for making brushes
US2358443A (en) * 1942-02-16 1944-09-19 Fuller Brush Co Brushmaking machine
US2483627A (en) * 1945-02-03 1949-10-04 Vernon F Dale Method of producing helical brushes
GB665097A (en) * 1945-08-06 1952-01-16 Osborn Mfg Co Improvements in or relating to the manufacture of brushes
GB2174895A (en) * 1985-05-17 1986-11-19 Rodney David Cole Material applicator
DE19633081C1 (en) * 1996-08-16 1998-01-08 Woehler Tech Buersten Maschine Method and appliance for producing brushes with transverse tufts of bristles

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008036206A1 (en) 2008-08-02 2010-02-04 Zahoransky Ag Brush manufacturing machine for e.g. interdental brush, has wire twisting devices positioned between inserting place and processing and/or ejection place and driven during positioning movement between places for twisting
CN101637338B (en) * 2008-08-02 2013-01-16 沙郎斯基股份公司 Brush manufacturing machine for circular brush
DE102008036206B4 (en) 2008-08-02 2019-07-11 Zahoransky Ag Brush making machine for round brushes
US8915551B2 (en) 2011-03-24 2014-12-23 Zahoransky Ag Apparatus and method for producing round brushes
BE1021370B1 (en) * 2011-03-24 2015-11-09 Zahoransky Ag DEVICE AND METHOD FOR PRODUCING ROUND BRUSHES
US10932558B2 (en) 2016-04-27 2021-03-02 Borghi S.P.A. Device for producing round brushes
US11737553B2 (en) 2016-04-27 2023-08-29 Borghi S.P.A. Device for producing round brushes
DE102020111870B3 (en) 2020-04-30 2021-07-15 Gb Boucherie Nv Method and device for manufacturing a round brush
WO2021219310A1 (en) 2020-04-30 2021-11-04 Gb Boucherie Nv Method and apparatus for producing a round brush

Also Published As

Publication number Publication date
EP1917886B8 (en) 2010-11-17
ATE476112T1 (en) 2010-08-15
BE1017281A3 (en) 2008-05-06
EP1917886B1 (en) 2010-08-04
DE602007008185D1 (en) 2010-09-16

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