EP2763567A1 - Verfahren und vorrichtung zum herstellen von bürsten sowie bürste - Google Patents
Verfahren und vorrichtung zum herstellen von bürsten sowie bürsteInfo
- Publication number
- EP2763567A1 EP2763567A1 EP12780412.8A EP12780412A EP2763567A1 EP 2763567 A1 EP2763567 A1 EP 2763567A1 EP 12780412 A EP12780412 A EP 12780412A EP 2763567 A1 EP2763567 A1 EP 2763567A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bristle
- cross
- section
- opening
- bristle carrier
- 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
Links
- 238000000034 method Methods 0.000 title claims description 38
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 239000000969 carrier Substances 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000005538 encapsulation Methods 0.000 claims description 5
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 230000005484 gravity Effects 0.000 abstract 1
- 230000032258 transport Effects 0.000 description 9
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000009732 tufting Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- A46D3/045—Machines for inserting or fixing bristles in bodies for fixing bristles by fusing or gluing to a body
-
- 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
- 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
Definitions
- the invention relates to a method and a device for producing brushes, in particular toothbrushes, and a brush itself.
- a bristle carrier is provided with a hole pattern corresponding to the desired arrangement of bristles. Tufts of bristles are then inserted into the holes of the bristle carrier and secured therein by means of pressed small metallic anchors or by means of loops.
- the bristle tufts are attached to the bristle carrier without the use of loops or anchors.
- the bristle carrier may be equipped as a brush body, in which the stem, neck and the essential part of the brush head are already performed as a part. The brush head then already has the hole pattern.
- Another possibility of the AFT method is to provide small brush head plates with hole patterns, which are then filled first. The completed brush head plate is then either inserted into the receptacle having a brush body and attached thereto, or the brush head plate is overmolded and attached during encapsulation either on the brush body or the brush body is first produced during encapsulation.
- the present invention relates to a method and an apparatus for producing brushes which are based on the above-mentioned AFT method, ie operate without an armature.
- Modern toothbrushes no longer have only parallel and equal in cross-section thick bristle tufts, but different sized and partially oblique tufts.
- the object of the invention is to provide a method and an apparatus for producing brushes, by which the brushes easier and can be produced more cheaply.
- the brush according to the invention is characterized by a comparatively lower production price.
- At least one opening has a front cross-section, the centroid of which is offset from the centroid of the rear cross section of the opening and / or
- At least one opening in particular the opening with different area centroids, has a front cross section which has a different geometry compared to the rear cross section,
- bristle carrier includes both prefabricated brush body with stem, neck and head portion with openings therein, which are optionally also over-injected with a second or third component, as well as head plates with openings which are attached to the brush body.
- the method according to the invention provides two features and embodiments which are to be realized alternatively or jointly in a brush and in at least one opening: a feature provides at least one opening in the bristle carrier over which the bristle tufts run obliquely, ie obliquely to the front side of the bristle carrier can be.
- An alternative feature provides that no oblique opening (different centroids), but at least one opening with different geometries at the front and rear cross section is present.
- Different geometries means that a different geometric shape and not just a different dimensioned cross-section is present, as would be the case for a circular, only tapered opening.
- Examples of different geometries are, for example, a rear circular cross section, which merges into an elongated, angular or strip-shaped cross-section on the front side.
- the two features can also be combined in an opening with each other, ie, an oblique opening has different geometries on the back and front cross-section.
- at least one obliquely extending opening and at least one opening with a different cross section may also be present in the same bristle carrier.
- bristle carriers for example, oblique bores were introduced into the bristle carrier for anchoring obliquely extending bristle tufts, which is expensive to produce. Such obliquely drilled openings are not provided in the invention to anchor oblique tufts in the bristle carrier. It has surprisingly been found that contrary to the previous methods, the bristle tufts must not be performed when they are inserted into the bristle carrier in an opening which either runs obliquely and / or the rear and front side has different geometries. The plug perpendicular to the back can thus be used regardless of whether the openings are straight, straight and additionally have a cone, oblique or have a different cross section at the front and the back.
- the invention takes a completely different approach, because it provides a guide-free gap on the back, from where stuffed. Through the guide-free gap, the individual bristles can bend slightly and move each other, so that a kind of voltage balance between the adjacent bristles occurs when they are pushed perpendicular to the back in an opening that runs obliquely and / or has a different cross section, so that the Bristles unevenly bent or moved to each other.
- the back cross-section has a larger cross-sectional area than the front side for easier penetration of the bristle tufts, but especially so that the bristles are clamped over a not too great distance.
- any tuft cross-sectional shapes can be achieved without the openings having to have a correspondingly complicated through bore.
- the rear cross section may have a simple circular cylindrical or funnel-shaped shape, and only the front side opening, that is, the front side cross section is formed, for example, on a short piece having the desired cross-sectional shape of the bristle tuft.
- the front-side mouth of the opening can then have a different geometry, that is, a geometry deviating from a circular shape, for example an oval, strip-shaped or angular shape.
- the preferred embodiment provides that the opening with different centroids and / or other
- Cross-sectional geometries is formed so that the bristles of the bristle tufts are held in parallel only with the alignment tool before attaching the bristle tufts. This means that the bristle tufts alone could not be held in their final orientation in the opening, relative to the condition prior to their attachment to the bristle carrier. This is because, in contrast to the prior art, the opening does not define a straight, geometrically always same channel which is sufficiently long to be parallel to the bristle tufts hold and pinch them. If the alignment tool with its receiving opening were not used in the method according to the invention, the bristles of the bristle tufts would be aligned chaotically in the one or more openings with different centroids and / or other cross-sectional geometries. The alignment tool is thus crucial prior to attachment together with the opening to accurately position the bristle tufts.
- the bristle carrier can be removed from the mold by simply moving apart the injection mold halves.
- the rear cross section forms the mouth of a rear side opening portion
- the front side cross section forms the mouth of a front side opening portion, wherein the opening portions are portions of the respective hole.
- the opening sections should each run perpendicular to the back or front of the bristle carrier part. This means that the two opening sections can be manufactured without an oblique hole or without an undercut. In particular, but this is not to be understood as limiting, the two opening sections directly merge into one another without an intermediate section having to connect the opening sections.
- At least one opening with the front and the rear cross-section should preferably be designed obliquely channel-free, that is to say there is no opening section with an oblique central axis in the at least one opening which would require a drill obliquely to the front or rear side to cut in the bristle carrier or to provide an oblique slide during injection molding.
- the inventive method provides, in particular, that the tufts, that is, all bristle tufts, perpendicular to the back and / or front stuffed into the at least one opening with the different front and rear cross-section.
- all Openings regardless of whether the front and the rear cross-section as stated above are made different or the same, always bestopft perpendicular to the back.
- the fastening on the back of the bristle ends protruding from the rear side takes place in particular by melting, gluing or encapsulation of the bristle tufts or by combinations of these fastening methods, eg first melting, then additionally encapsulation.
- the tufts are easier to insert and may be clamped in the area of the front soapy cross-section, but this is not absolutely necessary.
- An embodiment of the invention provides that all openings in the bristle carrier have the same rear cross-sectional area, so that each opening in the region of the rear side can be manufactured in the same way.
- each opening receives the same or substantially the same number of bristles or filaments.
- bristle tufts with different numbers of bristles or filaments, so that the brush has areas with thicker and thinner tufts, which is advantageous for the cleaning effect especially in toothbrushes. It can be used bristle carrier with openings whose front side cross-sections are strip-shaped, whereby the bristle tufts receive a strip-shaped cross-section.
- the rear opening portion can funnel-shaped direction front, but without reaching the front.
- the rear opening portion with the funnel extends over more than 60% of the thickness of the bristle carrier in the region of the associated opening.
- the device according to the invention for the production of brushes in particular with a method according to the invention, comprises an alignment tool over which a bristle carrier, which is part of the finished brush and has openings for receiving bristle tufts, is positioned with its front side adjacent to the alignment tool, a transport device for feeding Bostenbüscheln, wherein between the transport device and the back of the bristle carrier to be loaded a guide-free gap is present, a stuffing tool, the tufts from the transport device across the gap perpendicular to the back of the bristle carrier aligned in the bristle carrier and in receiving openings in Bristle carrier pushes, wherein the alignment tool has at least one receiving opening which extends obliquely to the back and / or has an inlet with a geometry deviating from a circular shape, and a fastening tool for anchor-free fastening of the bristle tufts on the bristle carrier.
- the device according to the invention is also distinguished by the features which were previously explained in connection with the method according to the invention and by features of the following claims directed to the method. Conversely, the method according to the invention is also carried out using the device as an option, with features as they are presented below for the device and are defined in the subclaims for the device.
- the alignment tool has a bearing surface for the bristle carrier, so that the bristle carrier rests directly on the alignment tool. This results in no gap between the opening in the bristle carrier and the corresponding oblique receiving opening and the other receiving openings in the alignment.
- the hole pattern in the alignment tool in the region of its top corresponds to the front hole pattern of the bristle carrier.
- the support surface is formed in a bristle carrier adapted recess.
- the bristle carrier is held laterally in the alignment tool.
- the alignment tool optionally has various receiving openings, namely receiving openings with circular and receiving openings with strip-shaped cross-section. There are also receiving openings with different cross-sectional areas available, so that the bristle tufts have different cross-sectional areas.
- the device according to the invention preferably comprises a bundle pickup with a variable receiving opening, so that the different bristle tuft cross sections can be realized fully automatically very quickly.
- the attachment tool may be a heater for melting the back bristle ends protruding from the bristle carrier. It is possible to melt the bristle tufts by contact with a hot surface or via ultrasound or hot air or combinations thereof.
- a spray station may be present, in which the bristle carrier is over-injected on the back, so that the bristle ends are no longer visible.
- over-protruding elastic fingers can be injected with the over-molding. These fingers protrude either side of the bristle carrier forward or through openings in the bristle carrier.
- the tufts are sequentially removed from the magazine and sequentially stuffed.
- the present invention also encompasses a brush, in particular a toothbrush, with a bristle carrier equipped with bristle tufts, which has at least one opening, which has a front cross section and a rear cross section, the rear cross section and the front cross section having different cross sectional areas and the front cross section the opening has a different geometry than the back cross section of the opening.
- the opening with different geometries also has offset centroids.
- the brush according to the invention is also optionally provided with the aforementioned features which partially describe the brush. These features can also be found in the process and device Claims defined and can also define individually or in combination embodiments of the brush according to the invention.
- FIG. 1 shows a schematic view of a device according to the invention for producing brushes according to the invention by the method according to the invention
- FIG. 2 and FIG. 2a the bundle pickup and the stuffing device used in the device according to FIG. 1 in perspective and in an enlarged sectional view
- FIG. 3 shows a perspective top view of a brush according to the invention, which is produced by the method according to the invention and with the device according to the invention, wherein only the head is shown
- FIG. 4 shows a view of the front side of the bristle carrier used in the area of the head
- FIG. 5 shows a view of the rear side of the bristle carrier used in the invention in the area of the head
- FIG. 6 shows a perspective view of the rear side of the bristle carrier according to FIG. 5,
- FIG. 7 shows a plan view of the back side of the bristle carrier equipped with bristle tufts according to FIG. 6 before the bristle tufts are fastened
- FIG. 8 shows a sectional view through the bristle carrier after the padding and through the alignment tool
- FIG. 9 is a perspective view of the bristle carrier in a plugged condition prior to attachment of the tuft ends
- FIG. 10 shows a schematic sectional view through the stuffed bristle carrier after fastening the bristle tufts
- FIG - Figure 1 a brush according to the invention, which is produced by the method according to the invention and with the device according to the invention.
- FIG. 1 shows a device for producing brushes, in particular toothbrushes, which comprises several stations.
- the device may also have less than the stations shown in Figure 1, so that the brushes can be forwarded in a partially manufactured state to another device.
- the way of transporting the individual parts of the brush is not relevant to the apparatus and method for making the brushes, so that the transport means shown in Figure 1 is not to be understood as limiting between the individual stations.
- a tool table 8 transports the partially manufactured brushes from one station to the other.
- bristle carriers are used as so-called brush bodies, in which the stem, neck and head are already injected as a common, one-piece plastic part.
- the bristle carriers bear the reference numeral 10.
- the bristle carriers are placed from a magazine 11 on so-called holder 12, which are permanently attached to the tool table 8, for example, and rotate with it.
- a bundle pickup 14 is provided, which is coupled with a stuffing tool 16 (see FIG. 2).
- the bristle carriers 10 are loaded with bristle tufts either sequentially or in a padding process.
- the tuft ends are trimmed at the back, for example with a knife 17 (for example cutter) or a hot wire designed as a knife. Only symbolically, the knife 17 is shown in Figure 1.
- a heating device 18 is provided, which is also shown only symbolically.
- a station is present in which the stuffed, provided with the tufts bristle carrier 10 on the back, at least in the region of the head in one or more steps are encapsulated. Finally, the finished brushes are removed from the tool table 8.
- the bundle pickup 14 which comprises a magazine 22 with parallel arranged therein, unclarified bristles 24.
- a removal device 26 serves as a singler and includes a circular arc-shaped portion with an outside recess 28. The removal device 26 is pivoted back and forth in the direction of arrow.
- bristles When the recess 28 is in the region of the magazine 22, bristles are pressed perpendicular to the back of the bristle carrier in the recess 28, so that a bristle tufts or bundles is formed. When pivoted back into the position shown in Figure 2, the bristle tufts 30 above the head of the bristle carrier 10, which has numerous openings that complement each other to a hole pattern.
- the bundle picker 14 with its removal device 26 can also serve as a transport device for the bundles or tufts, which transport them to the stuffing tool 16.
- the recess 28 is aligned with the opening to be filled next in the bristle carrier 10, and then the bristle tufts 30 located in the recess 28 are pushed into the opening by the tamping tool 16.
- the bristle carrier 10 is aligned prior to the next stuffing operation so that the next opening to be filled is below the incoming recess 28.
- a so-called X-Y slide or, generally, a device 32 is provided.
- a guide-free gap S is present at the stopper, that is, the bristle tufts 30 are not performed in this area, but they are passed through this gap without guidance.
- the removal device 26 is made slightly thicker than in Figure 2. The thickness of the removal device 26 is variable.
- the transport device it is also possible that the transport device to move the individual tufts in a kind of guide, which is slightly higher in order to guide the individual bristle tufts optimally perpendicular to the back when they are stuffed.
- the gap S is always present.
- FIG. 3 shows the finished brush head. It can be seen that there are bristle tufts 34 which have a circular tuft cross-section, wherein the bristle tufts 34 with a circular cross-section have different cross-sectional areas, that is, thicker and thinner tufts are present. In addition, cuboid bristle tufts 36 are present, which have a strip-shaped, more or less rectangular tuft cross-section. Finally, there are bristle tufts 38 of any cross-section, here for example circular, angular and strip-shaped, which extend obliquely to the front side 40 of the bristle carrier in the region of the head, ie in the region of the tufts 30-38. The remaining bristle tufts 34, 36 are perpendicular to the front and back 40, as is the case with conventional toothbrushes.
- the front side 40 and the back 42 are substantially parallel to each other.
- the front and back 40 and 42 to the tip 44 of the brush slightly tapered towards each other, but this is negligible with respect to the vertical orientation of the bristle tufts.
- each opening 46 - 50 widens from the front side 40 to the rear side 42, so that the rear cross section, that is to say the mouth of the opening 46 - 50 on the rear side 42, has a larger cross section has as the front cross-section, so the mouth of the opening 46 - 50 on the front side 40th
- the openings have their smallest cross-section
- Mouth to the front that is the front cross-section.
- the largest cross-sectional area is the back cross section of each opening 46-50.
- the openings 46-50 extend slightly conically towards the front side 40. There may be a kind of funnel.
- the openings 46 are standard openings with circular front and back cross sections, in which the bristle tufts are anchored also perpendicular to the front side 40. It can be seen, inter alia, that the openings 46 have a circular cross-section different cross-sectional areas on the front, but this same cross-sectional areas on the back, which simplifies the production. In this case, for example, the same countersink or countersink can be used for all these openings 46.
- the different front cross section is then created by using drills of different cross section.
- the rear cross-section is formed by a circle created by using a countersink or countersink.
- This countersink or countersink may be the same as in the openings 46 such that the cross sectional area of the back cross section (mouth of the opening 48 on the back 42) is the same as that of the openings 46.
- the front cross section of the openings 48 has a stripe or oval shape Shape, so a different cross-sectional geometry than the back cross-section.
- the openings are made entirely by injection molding, e.g. by stamp, also u.U. movable punches which are provided on the injection mold halves. If the punches are movable, then they are preferably not oblique to the Entformungsplatz, but only in Entformungsplatz movable.
- openings 50 in which again the rear cross section is larger than the front side cross section.
- the openings 50 are also characterized by the fact that the so-called centroid of the back cross-section (center 52 of the corresponding circle) is laterally offset from the centroid 54 of the front cross-section, when viewed perpendicular to the back or front of the bristle carrier.
- the openings 50 are, but are not limited to, those openings in which the bristle tufts 38 are inserted, which extend obliquely to the front side 40.
- the openings 56 have, for example, a circular back cross section and a polygonal front cross section. Optionally, but this is not necessarily the case, all openings have the same rear cross-section, which simplifies manufacture.
- the bristle carriers 10 can also have openings which all have the same front cross-sectional area, so that always the same number of bristles are provided for each bristle tuft.
- FIG. 7 shows the bristle tufts inserted in the openings, more precisely the tufts of the bristle tufts 34 - 38 protruding from the rear side 42.
- FIG. 9 shows the bristle carrier 10 which is completely filled with bristle tufts. To see are opposite the back 42 projecting tufts. In addition, it can be seen that the bristle carrier 10 has a laterally raised on the back 42 edge 57, so that the back 42 is somewhat recessed relative to this edge 57.
- FIG. 8 shows an alignment tool 58, which simultaneously forms the holder 12.
- the alignment tool 58 has a recess 60 adapted to the bristle carrier 10, this depression 60 being present only in the area of the head and part of the neck of the bristle carrier.
- the bristle carrier 10 is received in the alignment tool 58 and held fixed in position.
- the alignment tool 58 has on its upper side (here: bottom of the recess 60) an abutment surface which is directly opposite the front side 40 and preferably, which is not to be understood as limiting, touched.
- Receiving openings in the alignment tool 58 form on the top of a hole pattern which corresponds exactly to the hole pattern of the bristle carrier 10 on the front side 40, wherein the individual openings are aligned exactly to each other.
- the receiving openings determine the orientation of the bristle tufts of the later brush.
- the corresponding receiving openings for the bristle tufts 34, 36 extend perpendicular to the contact surface of the alignment tool in the region of the recess 60 and thus perpendicular to the front side 40.
- the bristles of the tuft would not remain aligned in parallel prior to attachment of the bristle tufts.
- the openings with different centroids and / or other cross-sectional geometries on the front and back before fixing that the openings keep the bristles of a bristle tufts still unsecured together with the alignment tool parallel.
- the receiving openings 62 which can be seen in FIG. 8, extend obliquely to the front side 40 and receive the obliquely running bristle tufts 38.
- the bristle tufts protrude through the alignment tool 58.
- the stuffed bristle carriers are moved to a station, specifically with the alignment tool 58, where the bristle tufts are trimmed at the back. This condition is shown in FIG. Subsequently, the projecting tuft ends are heated so that the bristles fuse together as shown in FIG. The tufts merge into a plastic lump that fills the opening in the bristle carrier completely or largely.
- the molten tufts may either be spaced apart, or a thin film of molten plastic may be formed on the back 42. The fusing of the bristle ends takes place in a state in which the bristle tufts are still received in the receiving openings of the alignment tool 58.
- the picking by the bristle tufts is perpendicular to the front and / or back 40 and 42, as can be seen in Figure 2.
- no guide channels or guide plates between the stuffing tool 16 and the back 42 are present, which would lead the inclined bristle tufts 38 obliquely into the respective opening.
- the bristles tufts 38 are skewed by the front alignment tool 58 with the corresponding oblique receiving openings 62.
- FIG. 10 also shows that the openings with the offset centroids have different sections. From the rear cross section 64, an opening section a extends into the bristle carrier 10 over a depth which preferably corresponds to more than 60% of the thickness of the bristle carrier 10 in this region. This opening portion a is aligned perpendicular to the front and / or rear 40 and 42, which is symbolized by the central axis 68.
- the opening portion b originating from the front-side cross-section 66 merges into the opening portion a, without an intermediate portion or a slant channel being present between the opening portions a and b.
- the opening portion b is perpendicular to the front and / or rear 40 and 42. This is symbolized by the central axis 70.
- the openings 48 are also formed without oblique intermediate channel between the opening portions, 64 and 66 emanating from the back and front cross-section.
- a common opening section b 'for several adjacent openings can be present on the front side 40.
- the cone of the rear opening portion a directly merges with the front opening portion b ', so that the narrowest cross sectional area of the respective opening is an annular line, so to speak, formed by an edge.
- the narrowest cross-section is defined by the cylindrical opening section b, that is to say not by a pure edge.
- the front-side opening portion b is not cylindrical, but widens to the front 40. If bristle tufts with different numbers of bristles are to be used, it is advantageous if a bundle collector 14 with a variable receiving opening is used. This can be achieved, for example, by providing a movable diaphragm 72 (see FIG. 2) which can change the cross section of the recess 28. As an alternative to fusing the bristle tufts, they can also be glued or overmoulded.
- the bristle carrier 10 is injected at least at the rear in the region of the head, possibly also encapsulated in the area of its stem.
- the fused bristle ends are thus covered in the area of the head.
- an elastomer is used for this injection process.
- elastic fingers 74 can also be molded with (see Figure 11). These elastic fingers 74 are present for example at the edge of the head and run like bristles forward to allow a massage effect. However, elastic fingers 74 can also be injection-molded in the middle or, more generally, between openings for bristle tufts. In FIG. 11, by way of example, a cross-shaped elastic is shown Finger 76 indicated that extends through a cross-shaped opening in the bristle carrier 10 forward and fulfills an additional cleaning function.
- bristle carriers which are designed as top plates. These plates have a hole pattern corresponding to the options set out above and, after the tufts have been padded and fastened, are connected to a brush body, which is either already pre-molded and has a receiving opening in the region of the head for inserting the head plates.
- the platelet-shaped bristle carrier can also be placed in an injection mold, and the brush body is molded.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Brushes (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12780412.8A EP2763567B1 (de) | 2011-10-06 | 2012-10-08 | Verfahren und vorrichtung zum herstellen von bürsten sowie bürste |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2011/004989 WO2012123004A1 (de) | 2011-03-11 | 2011-10-06 | Verfahren und vorrichtung zum herstellen von bürsten |
DE102012008536.2A DE102012008536B4 (de) | 2011-10-06 | 2012-04-27 | Verfahren zum Herstellen von Bürsten sowie Bürste |
EP12780412.8A EP2763567B1 (de) | 2011-10-06 | 2012-10-08 | Verfahren und vorrichtung zum herstellen von bürsten sowie bürste |
PCT/EP2012/004221 WO2013050181A1 (de) | 2011-10-06 | 2012-10-08 | Verfahren und vorrichtung zum herstellen von bürsten sowie bürste |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2763567A1 true EP2763567A1 (de) | 2014-08-13 |
EP2763567B1 EP2763567B1 (de) | 2020-04-01 |
Family
ID=47115719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12780412.8A Revoked EP2763567B1 (de) | 2011-10-06 | 2012-10-08 | Verfahren und vorrichtung zum herstellen von bürsten sowie bürste |
Country Status (1)
Country | Link |
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EP (1) | EP2763567B1 (de) |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3920769A1 (de) * | 1989-06-24 | 1991-01-10 | Fritz Rueb | Verfahren und vorrichtung zum herstellen von borstenfeldern oder borstenbuendeln |
DE4029610C2 (de) * | 1990-09-19 | 2002-06-13 | Zahoransky Anton Gmbh & Co | Verfahren zum Verbinden von Borstenbündeln mit einem Bürstenkörper oder dergleichen sowie Bürstenherstellungsmaschine |
ES2076604T3 (es) * | 1992-04-28 | 1995-11-01 | Boucherie Nv G B | Un metodo de producir cepillos de dientes. |
DE10033256A1 (de) * | 2000-07-10 | 2002-01-24 | Coronet Werke Gmbh | Verfahren und Vorrichtung zur Herstellung von Borstenwaren sowie Borstenware |
JP4132744B2 (ja) * | 2000-08-23 | 2008-08-13 | 花王株式会社 | ブラシの製造方法及び装置 |
JP4778166B2 (ja) * | 2001-08-24 | 2011-09-21 | 花王株式会社 | ブラシ及びブラシの製造方法 |
JP4059696B2 (ja) | 2002-02-25 | 2008-03-12 | 花王株式会社 | ブラシの製造方法 |
BE1017018A3 (nl) * | 2006-02-02 | 2007-12-04 | Boucherie Nv G B | Werkwijze voor het vervaardigen van borstels. |
ES2443141T3 (es) * | 2010-04-13 | 2014-02-18 | Gb Boucherie Nv | Procedimiento y dispositivo para la fabricación de cepillos |
DE102010015118A1 (de) * | 2010-04-16 | 2011-10-20 | Zahoransky Ag | Vorrichtung zum Herstellen von Borstenfeldern für Bürsten |
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2012
- 2012-10-08 EP EP12780412.8A patent/EP2763567B1/de not_active Revoked
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