EP2670278A1 - Dosierpinsel für gezielte lokalapplikation - Google Patents
Dosierpinsel für gezielte lokalapplikationInfo
- Publication number
- EP2670278A1 EP2670278A1 EP12704014.5A EP12704014A EP2670278A1 EP 2670278 A1 EP2670278 A1 EP 2670278A1 EP 12704014 A EP12704014 A EP 12704014A EP 2670278 A1 EP2670278 A1 EP 2670278A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bristle
- bristles
- brush
- stocking
- area
- 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
- 239000007788 liquid Substances 0.000 claims abstract description 55
- 239000002537 cosmetic Substances 0.000 claims abstract description 8
- 238000009966 trimming Methods 0.000 claims description 20
- 239000003795 chemical substances by application Substances 0.000 claims description 15
- 235000021189 garnishes Nutrition 0.000 claims description 10
- 239000012458 free base Substances 0.000 claims description 7
- 210000000720 eyelash Anatomy 0.000 claims description 4
- 210000000744 eyelid Anatomy 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims 1
- 229910052796 boron Inorganic materials 0.000 claims 1
- 210000002966 serum Anatomy 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000002585 base Substances 0.000 description 17
- 238000013461 design Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000001746 injection moulding Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 210000004209 hair Anatomy 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- -1 silver ions Chemical class 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B11/00—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water
- A46B11/001—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water with integral reservoirs
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B1/00—Brush bodies and bristles moulded as a unit
-
- 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
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/06—Arrangement of mixed bristles or tufts of bristles, e.g. wire, fibre, rubber
Definitions
- the invention relates to a brush according to the preamble of claim 1.
- Brushes are known in the art in very different forms. Brushes for applying liquids typically have a stocking of bristles of the most diverse materials, which are arranged in total or in tufts very close to one another or directly adjoining one another. Due to the fact that the bristles are close to each other or touch, the bristle stock unfolds a considerable capillary action. He can therefore take a considerable amount of the liquid to be applied.
- the liquid taken up by the bristle stock is discharged from it again by brushing over the surface to be treated with the bristle stock, so that the portions of the bristles which come into contact with the area deliver the liquid enveloping them to the surface to be treated. From the region of the bristle lining located further inwards, liquid flows into the region of the bristles which has been stripped off at the surface to be treated. The longer the bristle coating is spread over the surface to be treated, the more liquid the bristle coating deposits on the surface to be treated - until the storage capacity of the bristle stock has been exhausted. Then, the user must rewet the bristle heel with the liquid intended for treatment, if he wants to apply more liquid.
- the quantity of liquid absorbed can be set relatively well (in particular via the number of bristles, the bristle thickness and the bristle length), structurally only little influence can be exerted on how much of the quantity of liquid the brush absorbs in a certain time unit , Because the amount of liquid dispensed per unit of time, as already described, depends heavily on the user, ie on how the user performs the brush.
- the brush according to the invention has a trimming of a number of bristles arranged at least substantially parallel to one another.
- an essentially parallel arrangement is used when the longitudinal axis of the bristles encloses an angle of less than 10 °, better still less than 5 °.
- the bristles are arranged completely parallel to one another.
- the Bostenbesatz of the brush according to the invention - as a whole - is completely or at least substantially round.
- the bristles which are preferably circular, possibly longitudinally conical, are grouped around a trimming center, ideally circular. It is best if the individual bristles each form rows that have the shape of a circular ring.
- Adjacent circumferentially adjacent bristles are at least 1/5, more preferably at least ⁇ , and ideally at least 1/3 of their respective, in their foot region, above the fillet, with which they may pass into the bristle carrier Diameter spaced apart. Ideally, however, the maximum distance between two such adjacent bristles is at least 25%, and more preferably at least 40%, smaller than the maximum bristle diameter that the bristles have in said foot region.
- Bristles adjacent in the radial direction, ideally along adjacent circular lines, are at least 1/5, more preferably at least ⁇ , and ideally at least 1/3 of their respective, in their foot region, above the fillet, with which they may pass into the bristle carrier Diameter spaced apart.
- the maximum distance between two such adjacent bristles is ideally at least 25%, and more preferably at least 40% smaller than the maximum bristle diameter that the bristles have in said foot region.
- the length of the bristles used is preferably 2 mm to 10 mm, ideally 2 mm to 5 mm.
- the bristles are molded one or two-component on a bristle carrier, which may be an independent component or an integral part of a handle.
- the bristles are injection-molded one-component, so they are produced together with the bristle carrier in a "shot".
- the stocking has an outer garniture area completely enclosing the inner garniture area including the garniture center in the circumferential direction. In this outer garnish area, the bristle density is higher than in the inner garniture area enclosed by the outer garniture area.
- bristle density refers to the number of bristles per unit area.
- the outer garniture area is designed such that its bristles are finer than the bristles of the inner garniture area.
- the bristle arrangement according to the invention makes it possible to design the bristle field s that due to its surface tension the liquid to be applied forms a single drop in the central region of the applicator, which is held to its intended application by the surrounding bristles.
- the invention is therefore to provide a bristle set that can be adjusted so that after the actual dripping of a possibly excess amount of liquid - which may have recorded the bristle field when immersing the brush first and the bristle field because of "supersaturation" not longer term stored can hold - one last time forms a drop. However, this drop does not drip off soon. Instead, it is stored in the bristle stock and only released from the bristle stock again when the application has started and as a result has come into contact with the surface to be treated.
- the bristles are injection molded and thus can be provided with a well-defined distance from each other contributes significantly to this. Of great importance is the fact that the production by injection molding allows the targeted use of materials that are substantially resistant to the ingress of liquid. Where the targeted choice of the bristle spacings and the material of the bristles is not sufficient to achieve the required degree of emptying (see above), the sprayed bristles are provided in a targeted manner with hydrophobizing or hydrophilizing additives and / or surface structures acting in this way.
- the principle of the invention is based on providing an outer garnish region which realizes an edge which engages the liquid picked up by the bristle stock and deflects it towards the center of the bristle stock.
- the principle of the invention is further based on providing an inner garnish area within which the bristle density is reduced to such an extent that the liquid absorbed by the bristle stock is no longer completely retained in this area but only retained by the capillary action between the bristles.
- the liquid picked up by the bristle stock and finally left in the bristle stock after the dripping of the brush as intended drains off to form a final drop in the inner stocking area.
- the bristles still present in the inner covering area prevent the drop from being accidentally lost, ie even during the dripping phase, which at least goes through each brush loaded by dipping.
- the droplet is kept labile in the bristle stock, at least for a time dictated by the design of the bristle stock, which exceeds the time frame of the dripping phase.
- This effect can be achieved not only by varying the bristle density, but similarly by controlling the fineness of the bristles, i. H. about the diameter that the bristles of the different stocking areas have.
- the invention is implemented by means of injection-molded bristles. Because only when the bristles are made by injection molding, both the distance of the bristles, and the fineness of the bristles in the desired manner and with the necessary accuracy can be controlled.
- the inner garniture area comprises a central area which is only part of its area and which is completely bristle-free. In individual cases (namely with a correspondingly high viscosity or surface tension of the liquid to be applied), it is conceivable to make the inner lining region completely bristle-free, which is not preferred.
- the inner garniture area-preferably along an imaginary circular line-to have boundary bristles that delimit a bristle-free volume of space in the center of the garniture.
- This volume of space forms a very precisely definable drop space in which at least a first part of the said "last" liquid drop can accumulate, which is so large that it triggers the immediate delivery of a major part of the liquid to be applied in the form of a drop when the surface to be treated is touched.
- Such a bristle-free area in the center of the bristle lining promotes the formation of the desired, henceforth labile by the bristle stock held drop.
- the aforementioned embodiment can be further developed to the extent that the volume of the droplet space is indeed chosen so large that forms a last drop, but at the same time is chosen so small that the droplets (at a standstill, with its hanging in the space bristle facing vertically down aligned brush whose dripping phase has ended) may be held for at least 15 seconds, more preferably at least 30 seconds, and ideally at least 150 seconds, from the bristle stock before it drips off by itself, ie without him or the bristles in advance with the surface to which the drop is to be applied, come into contact.
- the bristle-free central area preferably has a bristle-free base area which is at least 3 times, or at least 3.5 times, and more preferably at least 4.5 times, ideally even at least 5.5 times, the cross-sectional area of one of the delimiting bristles in the foot area corresponds. Ideally, however, it is the case that the bristle-free base area of the bristle-free central area has a base area that is at most 15 times and better still at most 12.5 times the cross-sectional area. corresponds to one of the boundary bristles (in the foot area, above the actual rounding, with which the respective boundary bristle merges into the bristle carrier).
- the amount of liquid stored in the bristle-free central area tends to widen within the bristle stocking rather than being stored "suspended" in the bristle-free central area or in the droplet space associated with it and thereby be able to be triggered in a targeted manner, eg in which the boundary bristles
- the foot region which is decisive here is the region of the bristle immediately above the beginning of the rounding, with which the bristle passes into the bristle carrier the base surface of the bristle-free central region is understood to mean that surface which has an imaginary circle which is inscribed in the boundary bristles in such a way that it touches it on its radially inward side.
- the distal (i.e., the brush handle facing away) ends of the bristles of the inner region protrude beyond the distal ends of the bristles of the outer region.
- the distal ends of the perimeter bristles project beyond the distal ends of all the other bristles of the bristle trim.
- This in most cases advantageously influences the drop formation or the holding of the drop.
- the triggering of the drop during the first sustained contact with the surface, to which the liquid is to be applied is influenced extremely positively. Because the long boundary bristles hold the drop or at least a substantial part of the drop between them.
- the delivery of the droplet is triggered.
- the distal end of the bristle facing is conically tapered - preferably such that the imaginary surface, which spans the distal bristle ends in their entirety as the envelope surface, is essentially a conical jacket with a point angle oc, for which applies: 35 ° ⁇ ⁇ 55 °.
- the boundary bristles are arranged in a single row (preferably along a circular line) and the row of boundary bristles is surrounded on its side facing away from the droplet space by at least one further bristle row whose bristles are separated from each other by a greater bristle distance than the maximum distance Ab max , the two Observe immediately adjacent boundary bristles from each other.
- An important aspect of the invention is the use of the brush according to the invention for applying an aqueous cosmetic and / or medicament to the skin of the eyelid.
- a suitably influencing agent or stimulant must be applied to the eyelash roots near the skin area of the eyelid, preferably in particular the upper eyelid.
- the corresponding funds are either the high-quality cosmetic or already attributable to the medical field and very expensive to manufacture.
- correspondingly effective means may be applied only very sparingly anyway, since the otherwise in or around the eye circulating excess can trigger unwanted side effects. This makes the previously proposed application with the help of a fine pipette very disadvantageous.
- This dosing brush is able to store in its extra drip space provided for this purpose substantially the amount of agent that is really needed at the application site.
- the amount stored in the drip chamber can be returned in a controlled manner. This applies in particular when the bristles bounding the drip space are the bristles which project furthest outward in the longitudinal direction and therefore project beyond the other bristles of the bristle field.
- the use according to the invention is preferably carried out for the application of agents which have a low-viscosity consistency, as specified in more detail below.
- an applicator system consisting of egg ⁇ nem Brush according to one of the preceding claims and a to be applied, means, preferably in the form of a Wim ⁇ pernwachstumsserums whose surface tension OBFS lower than that of pure water, subject of the invention, wherein the number and / or arrangement of the bristles relative to each other and / or the bristle length on the one hand and the flow or dripping obtained the agent determining parameters on the other hand are coordinated so that the bristle stocking a predetermined amount of the agent - preferably predominantly or essentially - keep stored in his drip space and can give off again on contact with the skin area to be treated ⁇ .
- the brush has 6 to 12 boundary bristles, which define the drop space and thereby define.
- the boundary bristles have a bristle length LB, for which 2.75 mm -S LB -S 5.5 mm applies.
- the bristles ideally at least the boundary bristles, in the foot region (immediately above the beginning of the fillet, with which they pass into the bristle carrier) have a bristle foot diameter DF for which DF -S 0.06 mm, resp Ideally DF-S 0,04 mm.
- the bristle stocking is generally round or substantially round and comprises a total of between 30 and 90 bristles, more preferably between 50 and 70 bristles.
- the agent to be applied at 20 ° C has a surface tension OBFS, which is in the range 15 mN / m ⁇ OBFS ⁇ 60 mN / m and ideally in the range 20 mN / m ⁇ OBFS ⁇ 40 mN / m - measured with the so-called "Capillary effect", or one of the commercially available, according to this method surface tension measuring devices.
- OBFS surface tension measuring devices
- the agent to be applied has a specific gravity of 0, 6 to 1.5 g / ml, ideally even only a specific gravity of 0.6 to 0.9 g / ml, each measured at 20 ° C. ,
- the agent to be applied at 20 ° C has a viscosity between about 1 mPas to about 100 mPas (in individual cases up to 150 mPas, not preferred), ideally between about 1 mPas and about 50 mPas, each measured with one of the customary Viskosime- ter, preferably an Engler viscosimeter.
- the agent to be applied is thin liquid.
- Figure 1 a first embodiment of an applicator for a brush according to the invention in side view;
- FIG. 2 shows a first embodiment of an applicator for a brush according to the invention in longitudinal section
- FIG. 3 shows a first embodiment of an applicator for a brush according to the invention in a perspective view
- Figure 4 shows a first embodiment of an applicator for a brush according to the invention in a front view; the model of a single bristle corresponding to those bristles with which the applicator is occupied for the erfindungsge MAESSEN brush;
- Figure 6 a first embodiment of the applicator for the brush according to the invention in an enlarged front view
- FIG. 7 shows a side view of a second exemplary embodiment of an applicator for a brush according to the invention.
- FIG. 8 shows a second embodiment of an applicator for a brush according to the invention in longitudinal section; A second embodiment of an applicator for a brush according to the invention in a perspective view; a second embodiment of an applicator for a brush according to the invention in a front view; a second embodiment of an applicator for a brush according to the invention in an enlarged front view; a third embodiment of an applicator for a brush according to the invention in side view; a third embodiment of an applicator for a brush according to the invention in longitudinal section; a third embodiment of an applicator for a brush according to the invention in a perspective view; a third embodiment of an applicator for a brush according to the invention in a front view; a third embodiment of an applicator for a brush according to the invention in an enlarged front view; a fourth, independently of the other embodiments claimed as protected embodiment of an applicator for a brush according to the invention in the middle section; the fourth embodiment of the applicator according to FIG.
- FIG. 17 shows a fourth embodiment of an applicator for a brush according to the invention in an enlarged front view;
- FIG. 20 shows a fifth exemplary embodiment claimed for a brush according to the invention, independently of the first three embodiments, in a side view;
- Figure 21 the fifth embodiment of the applicator according to the invention in a perspective view from the front;
- FIG. 22 shows a fifth exemplary embodiment of the applicator for a brush according to the invention in an enlarged frontal view.
- Figs. 1 to 6 show a first embodiment of the invention.
- the brush to be explained in more detail with reference to this exemplary embodiment consists of a handle (not shown here) and a bristle carrier 1 which can be fastened in this handle or handle.
- the figures just shown each show greatly enlarged views, approximately on a scale of 7.5: 1.
- the brushes according to the invention are very delicate and preferably have head diameters KD in the range between 2.5 mm and 6 mm, in the exemplary embodiments shown 4 mm.
- the bristle carrier 1 has a longitudinal axis L, which generally coincides with the longitudinal axis of the stem, not shown.
- the bristle carrier 1 is provided with a bristle carrier base surface 2 which extends substantially perpendicular to the longitudinal axis L.
- bristles are integrally molded in this embodiment. These form a bristle field whose bristles are arranged substantially parallel to one another and whose respective bristle longitudinal axis BL runs essentially parallel to the longitudinal axis L of the bristle carrier or of the entire brush.
- the bristle carrier 1 with its bristle carrier base surface 2 has been injection-molded in this embodiment in a single operation ("single shot") with the bristles, which is why all the components mentioned here consist of the same plastic.
- single shot a single operation
- all the components mentioned here consist of the same plastic.
- the bristles of the bristle field are highly elastic bristles.
- the distal end of these bristles can be deflected orthogonally out of the position by the length AL of at least 1.25 mm, better still even by at least 2 mm, and ideally by at least 2.75 mm, under the influence of the forces occurring during normal application. which occupies the center line of the respective bristle in the unloaded state, cf. Fig. 5.
- the bristles each have a conical lateral surface which extends at an angle ⁇ of approximately 1 ° to the longitudinal axis of the bristle, see FIG. 5.
- bristles of the bristle facing all keep a defined distance from each other, d. H. the individual bristles do not come into contact with the respective neighboring bristles in the unloaded state.
- the bristle stocking 7 is subdivided into an outer stocking region 3 and an inner stocking region 4 (in FIG. 6, only a single bristle of an annularly arranged bristle series is identified by a reference numeral representative of the other similar bristles and the imaginary boundary line GR between the outer garnish area 3 and the inner garniture area 4 is illustrated as a black solid line).
- the bristle density ie the number of bristles per area, is on average higher than the bristle density BDI in the inner trimming area 4 enclosed by the outer trimming area 3. It applies as a function of the liquid BDA / BDI ⁇ 1 to be applied in the individual case. 3 and preferably BDA / BDI ⁇ 1.5. For certain cases BDA / BDI> 3 is ideal. In this specific embodiment that FIGS. 1 to 6 show, BDA / BDI is just above 1.3.
- the bristles of the outer trimming area 3 are finer on average (i.e., averaged over the number of bristles belonging to each area). Namely, all or at least, on average, the bristles of the outer trimming area 3 have a bristle diameter which is at least 25% smaller than the bristles of the inner trimming area 4.
- the outer trimming area 3 comprises at least two rows of bristles arranged in each case along a circular line, which are each designed as a locking row 8 and a locking row 9, which cooperate. These two rows of notches 8 and 9 are in fact positioned so that the bristles of a lock row in radially outward direction seen cover the spaces between the bristles of the other row of blocks, creating an annular, locally particularly dense bristle stock.
- the bristle stocking of the outer garniture area 3 is thus designed so that it limits the liquid absorbed by the bristle stock altogether, provides its hold and deflects it towards the center 7 of the bristle stocking.
- the inner garnish area 4 in this exemplary embodiment consists of a bristle field that has a lower average bristle density per unit area compared to the outer garniture area 3.
- this embodiment realizes that preferred embodiment in which the central region 7 has a bristle-free base.
- This bristle-free base area here corresponds to slightly more than 4.5 times the cross-sectional area in the above-defined foot region of one of the boundary bristles 10.
- this embodiment realizes that preferred embodiment in which, within the inner etching region 4, a number of times along a circular path ring surface 10 is provided which surround a bristle-free surface in the center of the bristle facing and thereby form a so-called drop space 11, which is illustrated in Fig. Through the imaginary, close to the center black solid line.
- This droplet space 11 defines the center of the droplet which forms during loading and dropped bristle stocking determination and thus also the heaviest area of the droplet.
- the boundary bristles 10 are those bristles of the bristle facing which have the largest bristle diameter in their foot region.
- the Begrenzungsborsten 10 are at the same time the bristles of the bristle trim, the length of which is the largest and the bristles, which project with its distal end all other bristles of the bristle facing outward, see. in particular Figure 2.
- the boundary bristles are arranged in spite of their large bristle diameter at a very small distance from each other.
- the foot distance between two immediately adjacently placed Begrenzungsbor th is less than half of the Borstenfuß devismessers the Begrenzungsborsten.
- Decisive is the foot area, which is unaffected even before the rounding, with which the bristle merges into the bristle carrier base area.
- the bristle field which here forms the inner bristle covering area, is made up in its entirety of bristles whose bristle foot diameter decreases in the radial direction from the inside to the outside.
- the innermost bristle row of the inner garnish area 4 forms a row of the said border bristles 10.
- a row of middle bristles 12 whose root diameter is preferably smaller by more than 15% and ideally by more than 20%
- the bristles of this row of bristles have approximately the same distance from one another as the boundary bristles (up to + 15% greater distance).
- This row of bristles 12 is adjoined, in turn, in the radial direction, by a row of outer bristles 13, which forms the boundary of the inner bristle area 4 with respect to the outer bristle area 3.
- This series of outer bristles 13 preferably consists respectively of bristles whose foot diameter is smaller by more than 30% and ideally more than 40% smaller than the foot diameter of the limiting bristles 10.
- the bristle carrier has a convex curved bristle base surface 2, to which the bristles are attached and from which the bristles rise.
- This bristle base surface is designed in the present embodiment as a spherical cap whose deepest point T coincides with the brush longitudinal axis when the brush is held so that the bristle facing points vertically downwards.
- bristle trimmings are arranged in circular rows concentrically around the center of the bristle trimmings.
- Figs. 7 to 11 show a second embodiment of the invention. Except for the deviations mentioned below, it corresponds to the first-mentioned exemplary embodiment, so that what is said there also applies identically to this second exemplary embodiment (cf., in particular, also the side views of the exemplary embodiments which are virtually identical in the relevant points).
- the bristle carrier base surface 2 has an unoccupied edge which is not to be added to the outer garniture region 3, cf. Fig. 10.
- the outer trimming area 3 is executed here less densely occupied and consists in this embodiment only of the rows of locks 8 and 9th
- the inner trim area 4 is also significantly less tight sets executed. It comprises a series of boundary bristles 10. On the outside, a thinned series of auxiliary bristles 14 connects. Their bristle diameter is preferably more than 15% and ideally more than 20% smaller than that of the limiting bristles 10. The bristle spacing of two spaced-apart auxiliary bristles 14 is preferably more than three times the auxiliary bristle foot diameter.
- the bristle foot diameter of the bristles 8 and 9 of the outer trimming area is preferably smaller than the bristle diameters of the bristles of the inner trimming area.
- FIGS. 7 to 11 show, BDA / BDI lies just above the value 4.
- Figs. 12 to 16 show a third embodiment of the invention, which conceptually relies much more on the first than on the second embodiment. Except for the deviations mentioned below, it corresponds to the first-mentioned exemplary embodiment, so that what is said there applies identically to this third exemplary embodiment, cf. in particular also the side views of the exemplary embodiments which are virtually identical in the relevant points.
- the innermost bristle row of the inner garnish area 4 in turn forms a row of the said border bristles 10, which surround a drip area 11, which is illustrated by the imaginary black solid line.
- a row of middle bristles 12 whose mean diameter is preferably insignificantly smaller (up to about 15%) than that of the limiting bristles 10.
- the bristle spacing of two immediately adjacent middle bristles preferably also corresponds approximately that of the delimiting bristles (up to about + 15%).
- Immediately adjacent bristles of this bristle row preferably have a bristle spacing which is at least equal to twice the bristle base diameter of these bristles.
- BDA / BDI is just above the value 1.5.
- both reusable packaging and hygienically advantageous disposable packaging can be equipped (for example, comparable to commercially available liquid eyeliner).
- the applicators according to the invention can be embodied as loose applicators, the loading of which is effected by dropping or injecting (through an internally fed central outlet opening in the bristle carrier base surface) from a metering bottle, immersion in a storage bottle or by picking up from a separate carrier onto which has previously been dropped.
- a single-dose packaging can advantageously be realized, which contains an applicator and the liquid for an application.
- the brush according to the invention is of great advantage, in particular in the case of pharmaceutical liquids, since precise metering (in the range of ⁇ 0.01 ml) can be achieved, which can also be achieved with skilful design in accordance with the invention. Precise metering opens up new areas of application in competition with other metering systems that have been used to ensure that no waste of the expensive active fluid is lost - which is why brushes are used because of their wasteful use. have not yet come into question.
- brushes with injection-molded bristles have the great advantage that the wetted area can be made entirely from a single material, for which it is ensured that this material does not undergo a reaction of any kind with the active substance of the liquid to be applied.
- no adhesives are needed for attachment of the bristles, which may be extremely critical from the standpoint of the occurrence of undesirable reactions.
- injection molding makes it possible to set further advantageous properties of the bristles.
- antibacterial additives eg silver ions
- hydrophilic or hydrophobic properties of the bristles can be generated by additives and / or the production with appropriately treated tool surfaces, which are reflected in the plastic surfaces formed by them and cause the required effect.
- Round brushes are preferred, but according to the invention it is also possible, for example, to produce oval brushes.
- a small number of bristles in the core is surrounded by a ring of a plurality of bristles, which can become finer towards the outside, if necessary, the core or the narrowest core region is bristle-free.
- the volume of space bounded by the outer rest area corresponds to the dose to be applied. Due to its surface tension, the liquid to be applied forms a drop in the center of the applicator, which is held by the surrounding bristles.
- the drop Upon contact of the brush or the droplet therein with the skin / hair / the hairline, the drop completely dissolves from the brush by moving the bristles and possibly slightly spreading them. With the outside of the applicator, the liquid can then, if necessary, further distributed and incorporated into the surface to be treated.
- the volume of space preferably forms a droplet space 11, in which a dose of the liquid to be applied can accumulate, which is so great that it triggers the preferably ad hoc delivery of most of the liquid to be applied in the form of a droplet, if the surface to be treated is touched.
- a brush in the sense of this exemplary embodiment may also have the special feature that it is sprayed with several components.
- a support consisting of different cylindrical or conical sections, injected.
- a cylindrical or conical section is molded, which serves as a bristle carrier 1, from which protrude the bristles, preferably in the direction parallel to the longitudinal axis.
- Figures 20 to 22 show a fifth embodiment, which substantially corresponds to the aforementioned fourth embodiment, with the only difference that the brush in this embodiment is preferably molded one-component and the area of the brush is designed slightly different beyond the actual bristle carrier section.
- the bristle stocking corresponds to that of the fourth exemplary embodiment, therefore the statements made there also apply here.
- the bristle carrier has a convex, preferably substantially a dome or spherical cap corresponding bristle carrier base surface (2) on which the bristles are mounted and from which protrude the bristles, and / or that the lateral surface of the individual bristles is formed conically , preferably with a cone angle ß of 0.5 ° to 3 ° relative to the bristle longitudinal axis. bristle carrier
Landscapes
- Brushes (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202011002272U DE202011002272U1 (de) | 2011-02-02 | 2011-02-02 | Dosierpinsel für gezielte Lokalapplikation |
PCT/EP2012/051711 WO2012104357A1 (de) | 2011-02-02 | 2012-02-01 | Dosierpinsel für gezielte lokalapplikation |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2670278A1 true EP2670278A1 (de) | 2013-12-11 |
EP2670278B1 EP2670278B1 (de) | 2018-06-13 |
Family
ID=45607217
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12704014.5A Active EP2670278B1 (de) | 2011-02-02 | 2012-02-01 | Dosierpinsel für gezielte lokalapplikation |
Country Status (11)
Country | Link |
---|---|
US (1) | US20140037364A1 (de) |
EP (1) | EP2670278B1 (de) |
JP (1) | JP2014504531A (de) |
CN (1) | CN103369986A (de) |
BR (1) | BR112013019234A2 (de) |
CA (1) | CA2825112A1 (de) |
CL (1) | CL2013002218A1 (de) |
DE (1) | DE202011002272U1 (de) |
MX (1) | MX2013008529A (de) |
SG (1) | SG192059A1 (de) |
WO (1) | WO2012104357A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8783451B2 (en) | 2011-02-18 | 2014-07-22 | Allergan, Inc. | Unit dose breakable vial with integrated brush applicator |
DE202012103567U1 (de) * | 2012-09-18 | 2013-12-19 | Geka Gmbh | Faltbarer Applikator |
US9351559B2 (en) | 2014-04-29 | 2016-05-31 | Elc Management Llc | Powered skin care device |
US9596928B2 (en) * | 2014-04-29 | 2017-03-21 | Elc Management Llc | Powered skin care device |
USD774310S1 (en) | 2014-04-30 | 2016-12-20 | Geka Gmbh | Applicator brush |
JP6671836B2 (ja) * | 2014-07-31 | 2020-03-25 | シセイドウ アメリカズ コーポレイション | 窪んだ毛束を有するブラシヘッド、ブラシ、その製造方法、およびその使用方法 |
USD813451S1 (en) * | 2016-04-26 | 2018-03-20 | And.B, LLC | Makeup applicator |
USD807043S1 (en) | 2015-12-08 | 2018-01-09 | And.B, LLC | Makeup applicator |
USD838494S1 (en) * | 2016-12-02 | 2019-01-22 | Geka Gmbh | Eyeliner with microbristles |
RU2762716C2 (ru) * | 2017-03-07 | 2021-12-22 | Оркла Хаус Кэа Аб | Кисть, содержащая смесь моноволокон |
WO2021041590A1 (en) * | 2019-08-28 | 2021-03-04 | Rithim Biologics, Inc. | Targeted drug delivery devices and methods |
US11772851B2 (en) | 2021-06-21 | 2023-10-03 | Medmix Switzerland Ag | Liquid applicator |
CN217285061U (zh) * | 2022-02-28 | 2022-08-26 | 洽兴包装工业(中国)有限公司 | 化妆刷头 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB743022A (en) * | 1953-05-27 | 1956-01-04 | Jack Thornton Chappell | Improvements in or relating to brush heads |
AU2415184A (en) * | 1982-12-24 | 1984-07-17 | Firma Durr-Dental G.m.b.H. & Co. KG | Zahnreinigungsgerat |
US4804004A (en) * | 1983-03-18 | 1989-02-14 | Taylor Charles H | Molded mascara applicator |
DE3610007A1 (de) * | 1986-03-25 | 1987-10-01 | Veneta Bublitz | Pinsel |
US5276935A (en) * | 1990-04-23 | 1994-01-11 | Professional Dental Technologies, Inc. | Medicament containing dental brush |
DE4446521A1 (de) * | 1994-12-24 | 1996-06-27 | Estee Lauder Inc | Mascara-Bürstchen |
DE19909435A1 (de) * | 1999-03-04 | 2000-09-07 | Coronet Werke Gmbh | Verfahren und Vorrichtung zur Herstellung von Borstenwaren und danach hergestellte Borstenwaren |
US6554614B1 (en) * | 2001-05-03 | 2003-04-29 | 3M Innovative Properties Company | Dental handpiece brush and method of using the same |
BR0300549A (pt) * | 2002-03-05 | 2003-11-11 | Oreal | Dispositivos para pentear os cìlios e/ou as sobrancelhas e/ou aplicar um produto sobre os mesmos, para aplicar um produto sobre os cìlios e/ou as sobrancelhas e para acondicionar e aplicar um produto sobre os cìlios e/ou as sobrancelhas, processos de maquiagem dos cìlios e/ou das sobrancelhas, de fabricação de uma escova e de aplicação de um produto sobre os cìlios e/ou as sobrancelhas e escova para a aplicação de um produto sobre os cìlios e/ou as sobrancelhas |
DE102004020713B4 (de) * | 2004-04-26 | 2007-10-04 | Beiersdorf Ag | Pinsel für kosmetische Produkte und Verfahren zu dessen Herstellung |
FR2874798B1 (fr) * | 2004-09-03 | 2007-01-19 | Oreal | Applicateur pour l'application d'un produit sur les cils ou les sourcils |
US8104132B2 (en) * | 2008-09-26 | 2012-01-31 | Fm Brush Company, Inc. | Applicator brush |
EP2218352A1 (de) * | 2009-02-12 | 2010-08-18 | Browne & Co | Küchenpinsel |
DE102009015338A1 (de) * | 2009-03-27 | 2010-09-30 | Firma G.B. Boucherie N.V. | Borsteneinsatz, Pinsel mit einem solchen Borsteneinsatz und Verfahren zur Herstellung eines solchen Borsteneinsatzes |
JP2010253045A (ja) * | 2009-04-24 | 2010-11-11 | Shinwa Seisakusho:Kk | 化粧料塗布具 |
-
2011
- 2011-02-02 DE DE202011002272U patent/DE202011002272U1/de not_active Expired - Lifetime
-
2012
- 2012-02-01 WO PCT/EP2012/051711 patent/WO2012104357A1/de active Application Filing
- 2012-02-01 BR BR112013019234A patent/BR112013019234A2/pt not_active IP Right Cessation
- 2012-02-01 SG SG2013055488A patent/SG192059A1/en unknown
- 2012-02-01 EP EP12704014.5A patent/EP2670278B1/de active Active
- 2012-02-01 US US13/983,365 patent/US20140037364A1/en not_active Abandoned
- 2012-02-01 CN CN2012800072808A patent/CN103369986A/zh active Pending
- 2012-02-01 MX MX2013008529A patent/MX2013008529A/es not_active Application Discontinuation
- 2012-02-01 CA CA2825112A patent/CA2825112A1/en not_active Abandoned
- 2012-02-01 JP JP2013552195A patent/JP2014504531A/ja active Pending
-
2013
- 2013-08-02 CL CL2013002218A patent/CL2013002218A1/es unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2012104357A1 * |
Also Published As
Publication number | Publication date |
---|---|
MX2013008529A (es) | 2013-12-12 |
US20140037364A1 (en) | 2014-02-06 |
DE202011002272U1 (de) | 2012-05-16 |
DE202011002272U9 (de) | 2013-01-10 |
EP2670278B1 (de) | 2018-06-13 |
CL2013002218A1 (es) | 2014-05-16 |
CA2825112A1 (en) | 2012-08-09 |
BR112013019234A2 (pt) | 2016-10-11 |
SG192059A1 (en) | 2013-08-30 |
JP2014504531A (ja) | 2014-02-24 |
WO2012104357A1 (de) | 2012-08-09 |
CN103369986A (zh) | 2013-10-23 |
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