Classifications

• • A—HUMAN NECESSITIES
  • A45—HAND OR TRAVELLING ARTICLES
  • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
  • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
  • A45D40/26—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball
  • A45D40/262—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like
  • A45D40/265—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like connected to the cap of the container
  • A45D40/267—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like connected to the cap of the container comprising a wiper
• • A—HUMAN NECESSITIES
  • A45—HAND OR TRAVELLING ARTICLES
  • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
  • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
  • A45D40/26—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball
  • A45D40/262—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like
  • A45D40/265—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like connected to the cap of the container
• • 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
  • A46B3/005—Bristle carriers 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
  • A46B9/021—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups arranged like in cosmetics brushes, e.g. mascara, nail polish, eye shadow
• • 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
  • A46B9/028—Bristle profile, the end of the bristle defining a surface other than a single plane or deviating from a simple geometric form, e.g. cylinder, sphere or cone
• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46D—MANUFACTURE OF BRUSHES
  • A46D1/00—Bristles; Selection of materials for bristles
• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46D—MANUFACTURE OF BRUSHES
  • A46D1/00—Bristles; Selection of materials for bristles
  • A46D1/02—Bristles details
  • A46D1/0238—Bristles with non-round cross-section
• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46D—MANUFACTURE OF BRUSHES
  • A46D1/00—Bristles; Selection of materials for bristles
  • A46D1/02—Bristles details
  • A46D1/0269—Monofilament bristles
• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46D—MANUFACTURE OF BRUSHES
  • A46D1/00—Bristles; Selection of materials for bristles
  • A46D1/02—Bristles details
  • A46D1/0276—Bristles having pointed ends
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
  • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
  • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
  • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
  • B29C45/14385—Coating a portion of a bundle of inserts, e.g. making brushes
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
  • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
  • B29C45/17—Component parts, details or accessories; Auxiliary operations
  • B29C45/26—Moulds
  • B29C45/2626—Moulds provided with a multiplicity of narrow cavities connected to a common cavity, e.g. for brushes, combs
• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46B—BRUSHES
  • A46B2200/00—Brushes characterized by their functions, uses or applications
  • A46B2200/10—For human or animal care
  • A46B2200/1046—Brush used for applying cosmetics
  • A46B2200/1053—Cosmetics applicator specifically for mascara
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
  • B29L2031/00—Other particular articles
  • B29L2031/42—Brushes

Definitions

• the invention relates to a cosmetic applicator according to the preamble of claim 1, a corresponding
• the application behavior of a cosmetic applicator is decisively influenced by how well the loading of the cosmetic applicator with the cosmetic to be applied can be controlled. This applies in particular to cosmetic applicators of the kind in question, which are stored for application in a cosmetic container and the cosmetic located there, in order then to be pulled out of the cosmetic container by a scraper and to stand by with the required load for application.
• Abolens bristle-forming cavity in order to be able to be pulled out of the cavity unhindered.
• Stripping remaining load can be fine tuned by the designer and can be easily produced.
• Bristle carrier is connected to a handle, or the in a coupling section for connecting the bristle carrier with such a handle passes.
• the bristle carrier carries a plurality of respective one-piece bristles having an overall length L.
• the bristles each consist of two relative to each other
• halves are only of an imaginary nature, they are integrally connected and thus form a whole. Each of these halves forms a flat area on the bristle which lies in the plane of displacement.
• Borstenltellsachse has a depression which is filled by the immersion of the bristle in the cosmetic stock with cosmetic, which is not deducted substantially when passing through the scraper, but in the
• the bristle carrier carries a plurality of each one-piece bristles, the full length L a Bristle cross-section consisting of two parts which are displaced in a plane relative to each other.
• the bristles taper steadily from their feet to their tips.
• the envelope of a bristle everywhere closes an angle of ⁇ 7.5 ° with the
• the bristle is preferably designed such that the two halves are shifted along their axis of symmetry relative to one another so far that the tips of the two halves touch each other over an area of at least 30%. This creates a uniform peak and it will
• the bristles consist of two mutually
• Pyramid halves - has a square, rectangular, diamond-shaped or hexagonal base.
• Such bristles show in the context of application a particularly favorable stiffness and a favorable bending behavior, at the same time can be particularly simple form the plane according to the invention between such bristles, in which the
• Bristle halves are arranged shifted from each other.
• the bristle it may be beneficial for some applications to make the bristle so that it consists of two mutually axisymmetric cone halves, which - not shifted relative to each other - have a circular, elliptical, oval, almond-shaped or plum-shaped base.
• the bristles can interact with the eyelashes, if the edges, which are caused by displacement of the pyramid cone halves, are sharp-edged and preferably with a radius RA ⁇ 0.01 mm into each other
• the distal end of the bristle carrier is also occupied by end bristles on its free end face.
• a bristle fan is then clamped in the ideal case, which is particularly well suited for combing the eyelashes when you bring the applicator head-on with its front side of the eyelash curl.
• the injection mold used for producing the bristles according to the invention is used
• the injection mold according to the invention forms bristle cavities, one of which images a bristle.
• Injection mold is divided into several sector-shaped moldings. These can be in the radial direction
• the injection mold is designed so that a first and a second sector-shaped shaped part, which rest with their flat edges along a parting line parallel to the longitudinal axis of the injection mold against each other, the cavities for a direction parallel to
• Applicator longitudinal axis extending bristle row form This is achieved by forming a first half of the respective cavities in a first sector-shaped molded part and a second half of the cavities in a second
• the first and the second half of the respective cavity forming a single bristle overall are positioned displaced relative to one another in the direction of the parting plane, i. H. the
• Parting plane between the moldings corresponds to the here
• Moldings are moved slightly apart in the radial direction, whereby they stand out immediately from the respective bristle. Also, the two grooves or depressions, which have received the bristles in each case in this way, prepare during molding no problem. Because the grooves or depressions are exactly in the separation point between the first and the second sector-shaped shaped part, ie in the area where is moved apart when opening the mold and therefore the bristle is released immediately.
• Cosmetic applicator which is characterized in that by dipping the cosmetics applicator in and pulling out the cosmetic applicator from a cosmetic stock by a
• Cosmetic applicator system comprising a
• Cosmetic composition preferably in the form of mascara, a scraper and an applicator in the unused state by the scraper through in the cosmetics container
• Applicator is an applicator according to one of the protection claims set forth herein.
• a cosmetic applicator with a bristle carrier which merges into a handle, with which the bristle carrier is connected to a handle, or in a coupling portion for connecting the Bristle carrier with such a handle, wherein the bristle carrier carries a plurality of respective one-piece bristles with the length, characterized in that the bristles have a bristle cross-section over its entire length, which consists of two parts which are displaced in a plane relative to each other.
• a Kosmetikapplikator which is characterized in that the distal end of the bristle carrier is occupied at its free end face with Stirnborsten.
• Figure 1 illustrates abstract-general, which is understood in the context of the invention under a bristle.
• FIG. 2 shows a bristle according to the invention for the
• inventive applicator frontally from above.
• FIG. 2a shows the bristle according to FIG. 2 in FIG.
• FIG. 3 shows the bristle according to FIG. 2 seen from the side, in a perspective view.
• Figure 4a shows an embodiment of an entire
• FIG. 4b shows a detail enlargement from FIG. 4a.
• FIG. 5a shows an embodiment of the entire
• Cosmetic applicator with bristles according to FIG. 2 in a second twisting position Cosmetic applicator with bristles according to FIG. 2 in a second twisting position.
• FIG. 5b shows a detail enlargement from FIG. 5a.
• FIG. 6 shows a detail of an injection mold, as used for producing the bristles or applicators according to the invention.
• FIG. 7 shows an overall view of an applicator according to the invention with handle and handle.
• FIG. 1 shows first of all what is preferably understood by the term bristle within the meaning of the invention - without already illustrating the profiling of the bristle according to the invention.
• a bristle is therefore a slender, completely or essentially completely from the bristle carrier in the radial direction outwardly projecting bending rod made of plastic.
• the maximum extent FD of a bristle in the region of its foot is preferably between 0.01 mm and 0.06 mm.
• the foot region of a bristle here refers to those, the closest to the bristle carrier region of a Bristle, which is still undisturbed, that is above the rounding, with which the bristle may pass into the bristle carrier, cf. also Fig. 1.
• the length of a bristle along the longitudinal axis of the bristle L is preferably greater than the maximum extent FD of the bristle in its foot region by at least a factor of 5, better by at least a factor of 7.
• a bristle is typically so elastic that, as a result of the forces occurring during the application, it is flexible - elastic with respect to its solder root point LF by an amount A transverse to its longitudinal axis of the bristle (as compared with FIG.
• the maximum extent FD of a bristle in the region of its bristle base point is preferably between 0.01 mm and 0.06 mm.
• a bristle in the sense of the invention is usually produced by injection molding.
• Injection molding is not just a manufacturing process, but also shapes the bristle's physical shape.
• Injection molded bristles are characterized by the fact that the plastic molecule chains in the region of the bristle itself, where the injection molding cavity is naturally very narrow, in a special way in the longitudinal direction
• Fig. 7 shows in advance how the applicator according to the invention looks in its preferred form as a whole.
• Bristle carrier 9 has a longitudinal axis, which here corresponds to its cylinder axis.
• the handle 12 merges into a handle 13, which usually forms at the same time a closure cap or a lid of a cosmetic container.
• FIG. 2 shows the particular cross-sectional shape through which the bristles according to the invention are distinguished.
• Figure 2 is a view of such a bristle from above
• Figure 3 is a view of such a bristle in perspective from the side.
• the bristle 1 consists of a first half 2 and a second half 3.
• the two halves are created by the fact that the bristle plastic mass of
• Injection mold is cooled. So the two halves were formed together and not subsequently connected. There is therefore no gap between them and no parting line or weld that could come loose.
• the two halves 2 and 3 are axisymmetric to
• a so-called displacement plane 5 can be defined, which is the plane in which the axis of symmetry 4 lies, as shown in FIG.
• the two halves 2 and 3 of a bristle are assumed to be displaced along the displacement plane 5 relative to one another, as a rule over the entire length of the bristle 1, viewed along its longitudinal axis L.
• the displacement as far as the bristle is concerned, is merely intellectual - it is constructive in the case of the bristle
• Cavity sections that depict the halves of the bristle have been positioned displaced in the manufacture of the injection mold.
• the extent to which the eyelash is weighted with the aid of the trim of the bristles according to the invention is massively influenced, in a positive sense.
• the plane 6 connects two larger side surfaces of the bristle, while the smaller side surfaces are farther away, cf. Fig. 2.
• a groove or recess 7 extends (in the direction along the longitudinal axis with an angle of inclination to it of usually ⁇ 5 °). This recess 7 is also after the passage of a bristle through the scraper still filled with cosmetic mass 8, as shown in Figure 2a.
• Bristle edges 14, which are caused by displacement of the bristle halves 2, 3, are sharp-edged. In any case, they are when the surfaces of the bristle that form this bristle edge merge into one another with a radius RA ⁇ 0.001 mm.
• each bristle has a double point - the two bristle halves meet again below the double point and then there in one piece over each other.
• the gap between the double point mass can be stored and it can be used with the help of the gap eyelash or
• the bristles according to the invention each have the shape of a pyramid.
• This pyramid has (before the imaginary displacement) preferably a diamond-shaped floor plan, in which preferably the two acute-angled corners of the rhombus are rounded.
• Figures 4a, 4b and 5a, 5b show the entire applicator and show how the bristles according to the invention are arranged on this.
• the applicator consists of a bristle carrier 9. Of these, the bristles 1 and 10 are in the radial direction, preferably exactly in the radial direction from. At the first
• Embodiment consist of the bristles 1, 10 and the
• Bristle carrier 9 made of the same material, they are integrally connected with each other, because they are usually created by a single injection molding in one step.
• Coupling section 11 via. This coupling portion is used for connection with a handle 12, which in turn merges into a handle 13, as shown in Figure 6 indicated.
• bristles 1 with the special cross section described here and differently shaped bristles 10 are seen in the circumferential direction of the applicator
• Embodiment also form the conventional bristles 10 at diametrically opposite sides of the bristle carrier 9 at least three rows parallel to the longitudinal axis LA.
• Bristle trimmings have different functions.
• the section in which there are several rows of the particular bristles according to the invention is used to apply the cosmetic composition or mascara composition to the eyelashes. Once loaded with the required amount of mascara, the user can rotate the applicator 90 ° and then use the conventional bristles 10
• the inventively designed bristles make up only a portion of the bristles that on the
• Circumferential surface of the bristle carrier form the main bristle of the applicator. This will make it possible for the
• the invention To impart order properties, depending on in which twisting position the applicator or its bristle facing is brought to the eyelash sheet.
• profiled bristles with their high mass storage capacity serve to coat the eyelashes first with the required amount of mascara. Then the applicator can be rotated to rotate with the conventional bristles, which are significantly less heavily loaded with mascara
• Bristle halves designed as pyramid or cone halves are. As a pyramid while a structure is called, which rises above a polygonal base and below
• edges which are given by the polygonal base, tapered towards its top. Only the edges, where the major main surfaces meet, do not have to emerge as such, but can be rounded, so they no longer form a sharp edge, cf. FIGS. 2 and 3.
• the bristles may consist of two cone halves which are axially symmetrical with respect to one another and which - not intended to be displaced relative to one another - have a circular, elliptical, oval, almond-shaped or plum-shaped base surface
• bristles Preferably, at least 8 bristles form this fan-shaped row of bristles.
• Bristles are placed so that they form a row which extends at least at an angle of 160 ° around the end face. Ideally, this row of bristles crosses the central longitudinal axis LA of the applicator. Ideally, this bristle row closes in an escape on both sides a bristle row, which is placed parallel to the longitudinal axis LA at the periphery of the bristle carrier.
• a further fan-shaped row of bristles extends on both sides, the bristles of which have longitudinal axes which are each inclined by at least 20 ° relative to the longitudinal axes of the first row of bristles, so that on the central bristle compartments on the left and right, respectively to the outside, followed by the central bristle fan inclined away bristle fan.
• Embodiment consists of an identically designed applicator, in which a rod-shaped bristle carrier is molded from another plastic material with the plastic compound, which also forms the bristles. The plastic that forms the bristles is thus sprayed onto the bristle carrier. The bristles are then usually one
• Another alternative embodiment is characterized in that a rod-shaped, hollow bristle carrier inside is used, whose wall thickness is so thin-walled that injected into the inner cavity of the bristle carrier second plastic mass breaks through the wall of the bristle carrier to the outside and thereby surrounding the bristle carrier Bristles shoot cavities where it forms the bristles. Also in this embodiment, the bristles are then usually made of a plastic material that is more flexible than the plastic material of the rod-shaped Bortenmois.
• Embodiment characterized in that the applicator in Sandwich injection molding is made.
• a first plastic mass is injected into the injection mold, which is the bristle-forming mass.
• a second plastic compound is injected into the first, not yet solidified plastic mass.
• the second plastic mass which is harder as a rule, as the first, a bristle carrier (and possibly also a coupling element) from that of the first
• Plastic compound is enveloped on a front side and at its periphery
• Injection mold particularly favorable as shown in Fig. 7 fragmentary - the view is directed here from the side of the bristle foot forth in the bristle cavity 15 in.
• Such an injection mold has a number of such
• the injection mold is usually in several directions.
• radial direction can be moved apart in order to demould an injection molded using the injection mold applicator, which is not shown here in detail in the drawing.
• a first and a second molded part 16, 17 are provided with their flat flanks 18, 19 along a dividing plane
• Cavities for a row of bristles are arranged along the parting plane 5, which runs perpendicular to the plane of the drawing.
• the bristle cavity is formed by having one half of this bristle cavity formed in the first mold part and a second half of the cavity formed in the second mold part. Each half of the cavity is not just on the side of the
• Dividing plane positioned relative to each other and partially overlap. In this way, each half of the cavity in the one mold part together with its associated other half of the cavity forms in the other
• the mold parts 16 and 17 are moved apart with a component of movement in the direction perpendicular to the flat flanks 18 and 19, with which they rest against one another in the closed state.
• the shape opens exactly at the level 6 of each bristle, so that the crack formed here on the bristle can be easily formed and no difficulty in molding. This is exactly what distinguishes the invention
• Injection mold or the inventive method Because the formation of the jump, with the level 6 merges into the two major side surfaces of the bristle, which connects them directly, would cause difficulties in a undivided shape at this point and not infrequently lead to tearing of the bristle, because they pull out of the finished sprayed applicator has not yet sufficiently separated from the wall of the mold cavity.
• the two halves of the cavity are usually designed mirror-symmetrically the same, which simplifies the production.

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• Engineering & Computer Science (AREA)
• Manufacturing & Machinery (AREA)
• Mechanical Engineering (AREA)
• Physics & Mathematics (AREA)
• Geometry (AREA)
• Brushes (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Publications (1)

Family

ID=58709475

Family Applications (1)

Country Status (6)

Cited By (1)

Families Citing this family (5)

Citations (4)

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• 2016
  • 2016-05-17 DE DE202016102620.2U patent/DE202016102620U1/de active Active
• 2017
  • 2017-05-15 EP EP17723690.8A patent/EP3457888B1/de active Active
  • 2017-05-15 CN CN201780034322.XA patent/CN109219370B/zh active Active
  • 2017-05-15 US US16/301,538 patent/US11284698B2/en active Active
  • 2017-05-15 JP JP2018561029A patent/JP2019518529A/ja active Pending
  • 2017-05-15 WO PCT/EP2017/061609 patent/WO2017198614A1/de not_active Ceased

Patent Citations (4)

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