CN102159115B - Method for producing brushes, particularly toothbrushes - Google Patents
Method for producing brushes, particularly toothbrushes Download PDFInfo
- Publication number
- CN102159115B CN102159115B CN200980133164.9A CN200980133164A CN102159115B CN 102159115 B CN102159115 B CN 102159115B CN 200980133164 A CN200980133164 A CN 200980133164A CN 102159115 B CN102159115 B CN 102159115B
- Authority
- CN
- China
- Prior art keywords
- brush
- holder plate
- brush holder
- hole
- tow
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
- A46B3/06—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by welding together bristles made of metal wires or plastic materials
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
- A46B9/04—Arranged like in or for toothbrushes
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D3/00—Preparing, i.e. Manufacturing brush bodies
- A46D3/005—Preparing, i.e. Manufacturing brush bodies by moulding or casting a body around bristles or tufts of 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
Abstract
The invention relates to the use of brush holder plates having holes for fiber bundles and at least one hole or recess for a soft elastic element used for producing brushes, particularly toothbrushes. The fiber bundles are inserted into the holes, and the fastening ends of the fiber bundle protruding out of the holes are attached to the brush holder plate by fusing. The hole or recess for a soft elastic element is thereby at least largely kept away from the fused material. The soft elastic element is produced by injecting in an injection mold through the hole or recess, forming a layer of the soft elastic material on the side of the fused fastening ends of the fiber bundle. The brush holder plate is combined with a brush body before or after injecting the soft elastic material. To this end, the brush body is either produced separately and connected to the brush holder plate by welding or the like, or the brush holder plate is encapsulated by the mass of the brush body.
Description
Technical field
The present invention relates to the manufacture method of brush especially toothbrush.
Background technology
Past, bristle tuft or tow fixedly realizing by noose or metal anchoring sheet on brush body.Without in noose or the good method of anchoring sheet, tow is so fixed on brush holder plate, and the stiff end of tow to be inserted in the hole of brush holder plate and to be lived by melting welding in brush holder back.People often wish, except common bristle and tow, are also incorporated into by cleaning element (cleaning element be such as made up of soft elastic material, pin, thin rod, small pieces etc.) in hair brush area.For this reason, brush holder plate is equipped with multiple additional hole or breach, and soft elastic material is injected in this hole or breach by pressure injection technology.
Summary of the invention
Utilize method of the present invention as defined by the appended claims, while utilizing pressure injection technology to manufacture at least one soft flexible member, the back side of brush holder plate forms coherent one deck soft elastic material.This layer of soft elastic material may be used for different objects.
In first embodiment of the method, be fixed on after on brush holder plate at tow, brush holder plate is fixed on brush body.Or brush holder plate to be placed in pressure injection mould together with the tow be fixed on brush holder plate and to be encapsulated by pressure injection, to form brush body.In both cases, brush holder plate, be soft flexible member and multiple hole of establishing or multiple breach keep unimpeded, and in another manufacturing step subsequently, soft elastic material is injected in a pressure injection mould by this unimpeded hole or breach.Now, the brush body back side forms coherent one deck soft elastic material.This layer of soft elastic material is connected with the soft flexible member be incorporated in hair brush area.This layer soft elastic material open at the brush body back side can have tongue cleaning function, or only provides visual characteristic or the tactile characteristics of expectation to brush.
According to another embodiment of the method, this layer of soft elastic material is formed on the back side of brush holder plate equally, but directly on the layer formed by the tow stiff end melted.In this embodiment of the method, brush holder plate is placed in pressure injection mould together with the tow be fixed on brush holder plate, and soft elastic material is injected by the multiple hole do not flowed into by melt of brush holder plate or multiple breach.
This layer of soft elastic material in brush holder back covers the stiff end of the fusing of tow and is injection molded into one with the pin-shaped or scutellate soft flexible member be integrated in hair brush area.Subsequently, brush holder plate is connected with a brush body together with the tow be fixed thereon, soft flexible member and this layer of soft elastic material.Can be fixed on a brush body finished product for this reason, such as, by welding, or pressure injection encapsulating can be carried out to form brush body in pressure injection mould.In this embodiment, this layer of soft elastic material to be arranged in brush and to can't see outside, and its function is, brush holder back is formed perfectly sealing.Sealing is useful when being especially used as toothbrush on the one hand in brush uses, because it stops any moisture or impurity to enter the inner chamber of brush.When brush holder plate is encapsulated plastics to form brush body by pressure injection in pressure injection mould, the sealing be made up of this soft elastic material is very useful.It is noted that the plastic material of injection does not enter tow hole in the process, otherwise dangerous injection pressure can be caused.By with this layer of soft elastic material sealing brush body, good injection pressure can be there is.
According to another aspect of the present invention, propose a kind of brush manufacturing processes, in the method, tow is fixed on brush holder plate by the fusing of stiff end, and brush holder plate also has at least another hole or breach except tow hole.This another hole or breach not only may be used for the soft flexible member of spray, also may be used for installing the independent component such as so-called stimulus manufactured subsequently.Under any circumstance all it should be noted that the melt of tow does not flow into this another hole or breach.By the edge contour suitably formed on brush holder plate, fusing used accomplish this point with limiting melt flows by the edge on hot rod head or by mask plate.
Accompanying drawing explanation
Other features and advantages of the present invention are obtained to the explanation of multiple embodiment from referring to accompanying drawing, wherein:
Fig. 1 represents each step of the first embodiment of manufacture method with top view;
Fig. 2 represents the same steps of the first embodiment of this manufacture method with front perspective view;
Fig. 3 represents the same steps of the first embodiment of this manufacture method with back perspective view;
Fig. 4 represents each step of the second embodiment of this manufacture method with top view;
Fig. 5 represents the same steps of the second embodiment of this manufacture method with front perspective view;
Fig. 6 represents the same steps of the second embodiment of this manufacture method with back perspective view;
Fig. 7 to Fig. 9 represents the same steps of the first embodiment in another brush;
Figure 10 to Figure 12 represents the same steps of the second embodiment in another brush;
Figure 13 is the perspective illustration representing a special aspects of the present invention.
Detailed description of the invention
Four steps of first embodiment of the inventive method of manufacture brush (be toothbrush at this) have been shown in Fig. 1 a to Fig. 1 d.Fig. 1 a is the top view of the brush holder plate 10 be made of plastics, and this brush holder plate has one group of pieces hole 12, and the arrangement in pieces hole corresponds to the brush graphical expected.Except pieces hole 12, be also provided with other the hole 14 meeting particular provisions.Brush holder plate 10 corresponds to the shape that head toothbrushes has general ellipsoidal.It also can make in injection moulding.
Multiple tow 16 is inserted into the pieces hole 12 of brush holder plate 10, and the stiff end of tow is melted at the back side of this brush holder plate, to be fixed on brush holder plate by tow.In Fig. 1 b, Fig. 2 b and Fig. 3 b, illustrated that brush holder plate 10 is together with the tow 16 be fixed on brush holder plate.Can see, multiple particular bore 14 is not occupied.As shown in Figure 3 b, the stiff end of the fusing of tow 16 forms coherent one deck 17 at the back side of brush holder plate 10.In the coherent one deck 17 be made up of melt, vacate the multiple surface regions corresponding to particular bore 14, thus these surface regions do not have melt.This accomplishes by different modes.The first measure is, brush holder plate 10 is formed with multiple melt-edge, and described melt-edge limits the region that melt can flow wherein.Another possibility is, uses heating pole to melt, and the surface of heating pole contact filament end has edge contour, this edge contour restriction melt flows.Another may be, above brush holder plate, arrange mask plate, and wherein this mask plate has the edge suitably formed, these edge limited melt flows.Below also with reference to Figure 13, the embodiment that wherein have employed this mask plate is described.
In Fig. 1 c, Fig. 2 c and Fig. 3 c, brush holder plate is connected together with the head of the tow be fixed on brush holder plate with a brush body 18.Brush holder plate can be realized by two kinds of different modes with connecting of brush body.In the first variant, brush body be make separately and be equipped with breach, brush holder plate will be loaded in this breach together with the tow be fixed on brush holder plate.Subsequently, the head zone of brush holder plate and brush body is welded together, to produce inseparable connection.According to the second variant, brush holder plate to be placed in a pressure injection mould together with the tow be fixed on brush holder plate and to carry out pressure injection encapsulating with plastics, forms brush body bar and brush body head thus.In these two variant, keep multiple specific hole 14 unimpeded at least as far as possible.As shown in Figure 3 c, the brush back side is led in multiple specific hole 14, because brush body has corresponding breach in head zone.In addition, brush body is provided with shallow slot 20 at the back side of its head zone.
As shown in Fig. 1 c, Fig. 2 c and Fig. 3 c, brush body 18 will be placed in a pressure injection mould together with the brush holder plate 10 be fixed on brush body subsequently, to inject soft elastic material, elastomer as TPE etc. by specific hole 14 and suitable hole in another manufacturing step, thus in hole 14, fix the pin shaped element part 22 be made up of soft elastic material.Soft flexible member 22 is the part of hair brush area and is positioned in the embodiment shown in two longitudinal edge of brush.With soft flexible member 22 side by side, soft elastic material is injected in the groove 20 at the brush back side, thus occurs coherent one deck 24 of being made up of soft elastic material, and this soft elastic material is full of whole groove 20 and through hole 14 ground and soft flexible member 22 are connected as a single entity.Therefore this layer 24 soft elastic material occupies the brush back side and such as can have tongue cleaning function.But its function also just can give the special outward appearance of brush or sense of touch.Soft flexible member 22 especially has cleaning function or massage functions.
This layer 24 soft elastic material not necessarily will be placed in the groove of brush.If do not have groove 20, then this layer 24 to be arranged on the brush back side and to have identical function with exceeding.
In the second embodiment shown in Fig. 4, Fig. 5 and Fig. 6, the first method step is identical, has not therefore repeated.In the step shown in Fig. 4 c, Fig. 5 c and Fig. 6 c, soft flexible member 22a is directly injected on brush holder plate 10a.Now, the back side of brush holder plate 10a is formed coherent one deck 24a soft elastic material, and this layer covers the layer 17a formed by the stiff end of the fusing of tow in a previous step completely.In the such as later step shown in Fig. 4 d, Fig. 5 d and Fig. 6 d, brush holder plate 10a is fixed on a brush body 18a together with the tow 16a be fixed on brush holder plate, soft flexible member 22a and this layer of 24a soft elastic material.As in the embodiment of former description, this completes by two kinds of different modes, and brush holder plate is fixed on a brush body manufactured separately by the first, and it two is make the head of brush body and the material of bar to the upper described injection moulding of brush holder plate pressure injection encapsulating.
In the above-described embodiment, this layer of 24a soft elastic material is positioned at brush, between layer 17a and brush inwall.This layer of 24a mainly has sealing function at this.It especially forms the perfection sealing of pieces hole 12a, not only prevents moisture and impurity from entering in brush from outward, and under high injection pressure, stops the plastic material of brush body during pressure injection encapsulating at brush holder plate.
Fig. 7, Fig. 8 and Fig. 9 represent the flexible program of first embodiment of the method, thus correspond essentially to Fig. 1, Fig. 2 and Fig. 3.Difference be only brush especially hair brush area with one soft flexible member.Soft flexible member 22b is totally cross in a top view and is positioned at the central authorities of hair brush area.Correspondingly, brush holder plate 10b entreats wherein has breach 14b, and soft flexible member 22b is fixed in this breach.The mode manufactured is identical with the manufacture in Fig. 3 with Fig. 1, Fig. 2, has not therefore repeated.
The method step for toothbrush manufacture shown in Figure 10, Figure 11 and Figure 12 copies second embodiment of the method, therefore corresponds to Fig. 4, Fig. 5 and Fig. 6, but shows toothbrush modification as shown in Figure 7, Figure 8 and Figure 9.Therefore the method step shown in Figure 10, Figure 11 and Figure 12 is no longer repeated.
Figure 13 represents that the mask plate 28 for limiting melt flows is used in corresponding to the situation in the brush embodiment of Fig. 7, Fig. 8 and Fig. 9 or Figure 10, Figure 11 and Figure 12, and melt produces when the heating surface of the stiff end contact lever 30 of tow.Mask plate 28 1 aspect has the outward flange of the layer of restriction fusing, and on the other hand, mask plate has the isolated area 32 of the neighboring area of restriction brush holder plate 10 breach 14b.Mask plate 28 is made with the form of the plate of such as steel.
In order to keep the specific hole in brush holder plate or the unimpeded above-mentioned measure of breach can not be only for adding the object of soft flexible member with pressure injection technology at least as far as possible.On the contrary, also consider following embodiment, in this embodiment, the independent component manufactured is loaded in the unimpeded hole of maintenance, breach or opening afterwards.
When brush holder plate only have conventional pieces hole and not used for the specific hole of soft flexible member etc. or breach time, a mask plate 28 can be adopted according to identical mode.In this case, the outward flange of mask plate 28 restriction melt.Thus one, as figure 12 a shows such can adopt completely smooth brush holder plate, it does not have melt that be integrally formed, that exceed restriction edge.
Claims (11)
1. for the manufacture of a method for brush, wherein,
A) fabricated ribbon has the brush holder plate of the multiple hole for tow and at least one hole for soft flexible member or breach;
B) tow is inserted in the plurality of hole;
C) stiff end exposed from the plurality of hole of this tow is fixed on this brush holder plate by fusing, and the end of the wherein fusing of tow forms coherent one deck at the back side of brush holder plate and at least substantially keeps not having melt for this hole of soft flexible member or breach;
D) by forming this soft flexible member through described hole or breach injection soft elastic material in pressure injection mould, on the side of the stiff end of the fusing of this tow, form one deck soft elastic material simultaneously;
E) this brush holder plate was combined as a whole with brush body after insertion tow before or after the injection of this soft elastic material.
2. method according to claim 1, it is characterized in that, this brush holder plate and this brush body are combined as a whole and carried out before the injection of this soft elastic material, this brush body be kept at least partly injecting this hole of soft elastic material or breach unimpeded, this layer of soft elastic material be applied in this brush body away from the back side of this tow.
3. method according to claim 2, is characterized in that, this layer of soft elastic material is taped against in a shallow slot of this brush body.
4. according to the method in claim 2 or 3, it is characterized in that, this brush body manufactures as independent component, and this brush holder plate is connected with this brush body by welding, bonding way.
5. according to the method in claim 2 or 3, it is characterized in that, this brush body is connected with this brush holder plate by the pressure injection encapsulating of this brush holder plate.
6. method according to claim 1, is characterized in that, this brush holder plate and brush body are combined as a whole and carry out after the injection of this soft elastic material, and this layer of soft elastic material covers the stiff end of the fusing of this tow.
7. method according to claim 6, is characterized in that, this brush body manufactures as independent component, and this brush holder plate is connected with this brush body by welding, bonding way, and wherein this layer of soft elastic material reclines the inner surface of this brush body.
8. method according to claim 6, is characterized in that, this brush body is connected with this brush holder plate and this layer of soft elastic material with the pressure injection encapsulating of this layer of soft elastic material by this brush holder plate.
9. method according to claim 1, is characterized in that, described brush is toothbrush.
10. for the manufacture of a method for brush, wherein,
A) fabricated ribbon has the brush holder plate for multiple hole of tow and at least one hole or breach;
B) subsequently tow is inserted in the plurality of hole;
C) stiff end exposed from the plurality of hole of this tow is fixed on this brush holder plate by fusing, the end of the wherein fusing of tow form coherent one deck at the back side of brush holder plate and this hole or breach by by the edge contour on this brush holder plate, fusing used by the edge on hot rod or by mask plate limit melt fluid and at least substantially maintenance there is no melt;
D) in step c) after this brush holder plate and brush body are combined as a whole.
11. methods according to claim 10, is characterized in that, described brush is toothbrush.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008039778.4 | 2008-08-26 | ||
| DE102008039778A DE102008039778A1 (en) | 2008-08-26 | 2008-08-26 | Method for producing brushes, in particular toothbrushes |
| PCT/EP2009/005927 WO2010025820A2 (en) | 2008-08-26 | 2009-08-14 | Method for producing brushes, particularly toothbrushes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102159115A CN102159115A (en) | 2011-08-17 |
| CN102159115B true CN102159115B (en) | 2014-12-24 |
Family
ID=41258788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980133164.9A Expired - Fee Related CN102159115B (en) | 2008-08-26 | 2009-08-14 | Method for producing brushes, particularly toothbrushes |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2337474B1 (en) |
| KR (1) | KR20110056381A (en) |
| CN (1) | CN102159115B (en) |
| DE (1) | DE102008039778A1 (en) |
| WO (1) | WO2010025820A2 (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009039514A1 (en) * | 2009-08-31 | 2011-03-03 | Gb Boucherie Nv | Method for producing brushes, in particular toothbrushes |
| EP3539417B1 (en) * | 2011-01-04 | 2021-03-03 | Trisa Holding AG | Toothbrush with injection-moulded bristles |
| DE202011106118U1 (en) * | 2011-09-26 | 2011-11-25 | Gb Boucherie Nv | Brush, in particular toothbrush, with soft elastic element |
| USD769626S1 (en) | 2013-12-19 | 2016-10-25 | Colgate-Palmolive Company | Refill head for electric toothbrush |
| USD776435S1 (en) | 2013-12-19 | 2017-01-17 | Colgate-Palmolive Company | Head portion of a toothbrush |
| USD766581S1 (en) | 2013-12-19 | 2016-09-20 | Colgate-Palmolive Company | Electric toothbrush handle |
| USD794333S1 (en) | 2015-11-25 | 2017-08-15 | Colgate-Palmolive Company | Electric toothbrush brush head |
| USD790860S1 (en) | 2015-11-25 | 2017-07-04 | Colgate-Palmolive Company | Electric toothbrush brush head |
| EP3262974A1 (en) | 2016-06-27 | 2018-01-03 | The Procter & Gamble Company | Toothbrush heads comprising a two-component-cleaning element and method for producing the same |
| EP3262975B1 (en) | 2016-06-28 | 2019-02-20 | The Procter and Gamble Company | Method of making brush |
| US11723453B2 (en) | 2017-12-12 | 2023-08-15 | Koninklijke Philips N.V. | Brush head assembly and methods of manufacture |
| WO2020242123A1 (en) * | 2019-05-31 | 2020-12-03 | 주식회사 리앤코 이노베이션 | Toothbrush and toothbrush manufacturing method |
| EP3753447A1 (en) | 2019-06-21 | 2020-12-23 | The Procter & Gamble Company | Method for producing a toothbrush head or a part thereof |
| EP3753448A1 (en) | 2019-06-21 | 2020-12-23 | The Procter & Gamble Company | Method for producing a toothbrush head |
| EP3753446A1 (en) | 2019-06-21 | 2020-12-23 | The Procter & Gamble Company | Cleaning element carrier and toothbrush head comprising it |
| EP3753449A1 (en) | 2019-06-21 | 2020-12-23 | The Procter & Gamble Company | Hole perforation plate for manufacturing of a toothbrush head and part thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1347290A (en) * | 1999-04-22 | 2002-05-01 | 花王株式会社 | Toothbrush |
| EP1009255B1 (en) * | 1997-09-02 | 2002-07-10 | F.A. Rueb Holding GmbH | Method and device for producing brush bristle areas and brush bristle areas thus produced |
| US6886207B1 (en) * | 1999-06-14 | 2005-05-03 | The Procter & Gamble Company | Toothbrush |
| EP1726237A1 (en) * | 2005-05-25 | 2006-11-29 | M + C Schiffer GmbH | Brush and associated production method |
| EP1859705A1 (en) * | 2006-05-26 | 2007-11-28 | M + C Schiffer GmbH | Brush and method for its production |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5611312A (en) * | 1995-02-07 | 1997-03-18 | Walbro Corporation | Carburetor and method and apparatus for controlling air/fuel ratio of same |
| DE59906449D1 (en) * | 1999-12-22 | 2003-09-04 | Boucherie Nv G B | Process for fastening bristle tufts for brushes to supports made of thermoplastic material |
-
2008
- 2008-08-26 DE DE102008039778A patent/DE102008039778A1/en not_active Withdrawn
-
2009
- 2009-08-14 KR KR1020117005352A patent/KR20110056381A/en not_active Application Discontinuation
- 2009-08-14 CN CN200980133164.9A patent/CN102159115B/en not_active Expired - Fee Related
- 2009-08-14 EP EP09777899.7A patent/EP2337474B1/en active Active
- 2009-08-14 WO PCT/EP2009/005927 patent/WO2010025820A2/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1009255B1 (en) * | 1997-09-02 | 2002-07-10 | F.A. Rueb Holding GmbH | Method and device for producing brush bristle areas and brush bristle areas thus produced |
| CN1347290A (en) * | 1999-04-22 | 2002-05-01 | 花王株式会社 | Toothbrush |
| US6886207B1 (en) * | 1999-06-14 | 2005-05-03 | The Procter & Gamble Company | Toothbrush |
| EP1726237A1 (en) * | 2005-05-25 | 2006-11-29 | M + C Schiffer GmbH | Brush and associated production method |
| EP1859705A1 (en) * | 2006-05-26 | 2007-11-28 | M + C Schiffer GmbH | Brush and method for its production |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010025820A2 (en) | 2010-03-11 |
| EP2337474B1 (en) | 2014-09-17 |
| EP2337474A2 (en) | 2011-06-29 |
| DE102008039778A1 (en) | 2010-03-04 |
| KR20110056381A (en) | 2011-05-27 |
| WO2010025820A3 (en) | 2010-05-27 |
| CN102159115A (en) | 2011-08-17 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20170814 |