EP1796506B1 - Applicator and method for production of an applicator - Google Patents
Applicator and method for production of an applicator Download PDFInfo
- Publication number
- EP1796506B1 EP1796506B1 EP05762664A EP05762664A EP1796506B1 EP 1796506 B1 EP1796506 B1 EP 1796506B1 EP 05762664 A EP05762664 A EP 05762664A EP 05762664 A EP05762664 A EP 05762664A EP 1796506 B1 EP1796506 B1 EP 1796506B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- applicator
- injection
- retainer
- moulding
- plastic
- 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.)
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Links
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Images
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
- A45D40/28—Appliances specially adapted for spreading already applied paint
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B1/00—Brush bodies and bristles moulded as a unit
-
- 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
- A46B3/04—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by mouldable materials, e.g. metals, cellulose derivatives, plastics
-
- 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
- A45D40/20—Pencil-like cosmetics; Simple holders for handling stick-shaped cosmetics or shaving soap while in use
-
- 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
- A45D40/20—Pencil-like cosmetics; Simple holders for handling stick-shaped cosmetics or shaving soap while in use
- A45D40/205—Holders for stick-shaped cosmetics whereby the stick can move axially relative to the holder
-
- 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
Definitions
- the invention relates to an applicator with a holding part and an applicator part for distributing a cosmetic preparation on the skin, semi-mucous membrane or mucosa and a method for producing such an applicator.
- Applicators of this type are in the cosmetics industry in a separate execution or on various cosmetic products, especially on wood or plastic covered cosmetic pencils at one end as a means for distributing or blending the skin, semi-mucous membrane or mucous membrane (eyelids, lips or the like.) found cosmetic preparation.
- a cosmetic preparation all types of liquid, pasty, gelatinous or powdery substances come into question.
- the applicator should help, for example, a uniform coverage by the cosmetic preparation on the skin, to achieve an order on a precisely demarcated area of the skin, to sharpen contours, to create (streak-free) transitions, to produce shades and the like.
- Such applicators are known to consist of a holding part made of metal or plastic (holding clamp), in which the applicator part of any, usually soft plastic material, such as foam, Soft rubber, sponge rubber, a plastic molding or the like. By clamping and / or gluing is attached.
- a metalware manufacturer supplies, for example, a metal molding as a holding clamp, a plastics processor a corresponding plastic molding as an applicator and in a separate operation then the applicator is possibly composed of these individual components of a third manufacturer.
- the applicator Since the applicator is wetted in use by the end user with the cosmetic preparation, it is usually provided with a cap, a so-called. "Schooner", which - originating from whatever source - at least in a further operation on the mounted applicator is plugged , The manufacturer of the final cosmetic product then attaches the applicator with cap in a final operation on the cosmetic product made by him or other handle.
- the applicator parts usually have a very large surface area, in particular if they are made from an open-pored plastic material (foamed) or flocked. This very large surface provides improper processing in conjunction with changing humidity almost ideal living conditions for microorganisms.
- the applicator parts must therefore be very manufactured and packaged carefully in compliance with specified hygiene guidelines and assembled, further processed, packed and / or stored in the following (assembly) stages up to the processing to the end product with equal care.
- the manufactured applicators can also be sterilized after assembly in a manner known to those skilled in the art. It is also possible to admix additives with microbicidal or growth-inhibiting action to the plastics, in particular the applicator part.
- silver ion donors are suitable for this purpose.
- a flocked applicator is known from the same Applicant. Flocking is achieved by adhering electrostatically deposited flakes to the surface of the applicator.
- the above-mentioned microbial load as well as a relatively long depending on the drying time of the adhesive manufacturing time proved to be problematic.
- due to the statistical distribution of the flakes on the surface of the order or the distribution of the cosmetic preparation is not always uniform. This problem even worsens with increasing service life, because the flakes have a tendency to stick depending on the type of cosmetic preparation.
- an applicator brush for applying mascara which can be produced by means of a two-component injection molding process (2K process).
- 2K process two-component injection molding process
- radially protruding bristles are molded from a softer plastic on a rigid plastic core.
- This molding process is carried out at elevated temperatures, usually in the range of 200 ° C or above.
- Such a temperature is hostile to life for microorganisms and the applicator thus produced leaves the spraying machine germ-free. If the applicator is completely manufactured in this way in several successive spraying processes in one machine, some of the disadvantages mentioned, such as logistics problems or microbial loads, can be overcome.
- US 6,050,271 shows a hair color applicator system with a bottle in which a sponge is provided which is mounted in a recess in a cap of the bottle. Through a hollow tube having a first end disposed within the bottle, hair color may be dispensed from the bottle into the sponge for application to the sponge.
- the object of the invention is to provide an applicator which is suitable for distributing or blending of cosmetic preparations on the skin or mucous membrane and overcomes the above drawbacks of a high logistical and production engineering effort and microbial loads.
- the object is achieved by an applicator for distributing a cosmetic preparation on the skin, semi-mucous membrane or mucosa with the features of claim 1. It is further achieved by a method for producing such an applicator with the features of claim 43.
- the inventive method for producing such an applicator provides that molded in the two-component injection molding process, the applicator in the longitudinal direction of the applicator to the holding part by means of a spraying machine - instead of as in the case of the known mascara brushes - is, the holding part does not form a hard core.
- the applicator or more precisely the applicator part is a much higher degree of flexibility than in the known mascara brushes or the example flocked applicators available.
- the disadvantages of the complex production and the microbial load compared to the last-mentioned applicators are solved in a simple manner, since the injection molding of the Applikatorteilbuchstoffs, as mentioned, takes place in hostile conditions for microorganisms.
- the holding part is at least partially made of plastic in the same injection molding machine in an injection molding preceding the injection molding of the applicator.
- the holding part is completely generated in the preceding injection molding of the holding part plastic or consists exclusively of plastic.
- at least one insert for example made of metal, wood or thermosetting plastic in the form of a clamp or as a latching element for subsequent connection with the cosmetic pencil or the like.
- a composite molded part is formed in the injection machine. The sterility is thus ensured even in this case, as may be killed with the insert in the injection molding machine bacteria or microorganisms already during the encapsulation with the holding part plastic.
- the spraying of the applicator part takes place such that a mixing layer is formed between the applicator part and the holding part.
- a material-secure connection between the holding part and the applicator is generated and at the same time niches between holding part and applicator are avoided, in which microorganisms accumulate preferentially, as the materials merge smoothly into each other.
- the mixing also has the effect that the applicator part can no longer be detached from the holding part in a non-destructive manner. It takes place in a transition region of the holding part to the applicator, where by the injection molding of the hot applicator material Surface of the holding part is melted.
- the mixing layer is formed by mixing the Applikatorteilkunststoffes and the holding part plastic when molding the Applikatorteils to the holding part.
- a favorable processing temperature of the holding part material is between 30 ° C and 80 ° C and preferably between 60 ° C and 80 ° C. This corresponds to a preferred cooling time after spraying the holding part depending on the material thickness of the holding part and the ambient temperature of 10 to 25 seconds , In the case of other materials, however, the injection molding can also take place at a lower processing temperature (5 ° C. or less).
- the holding part can be melted more or less strongly when the applicator part is sprayed on, and thus the thickness of the mixing layer can be adjusted.
- An advantageous mixing layer thickness is between 1/100 mm to a few 1/10 mm.
- the holding part can also be preheated prior to injection of the applicator. The formation of a mixing layer can in this way also be controlled independently of the production of the holding part and, in principle, can also be transferred to inserts made of thermoplastic material or the like.
- the connecting layer has a positive connection between the applicator part and the holding part.
- a cap / schooner is made in the same or a second injection molding machine located near the spraying machine for the applicator, preferably at the same time, with the injection molding of the applicator part.
- the cap or the schooner is particularly preferably placed in a further process step in the same spraying machine after the injection of the applicator on the applicator, so as the safest way to avoid contact with germs.
- the cap is placed on a mounting device between the spraying machine for the applicator and the second spraying machine for the cap on the applicator.
- the haptic properties of the applicator part can preferably be further developed in that the applicator part is formed by a sheath which at least partially encloses a cavity.
- the applicator part is formed by a sheath which at least partially encloses a cavity.
- the wall thickness of the jacket such a large range of variability in the deformability of the applicator part, i. with respect to the increase of the contact area between the applicator part and the skin in dependence on the pressure applied during application.
- the flexibility of the applicator depending on the viscosity of the mass to be applied can be adjusted so that in coordination with the respective cosmetic preparation and the application area optimal handling in terms of distribution and veneering is achieved.
- Such an applicator can be produced by a method in which an injection mold is used when the applicator part is injection-molded onto the holding part, which has a core to be encapsulated which is removed from the applicator to form the cavity of the applicator part after solidification of the applicator part plastic.
- the Applikatorteilconcestoff is a thermoplastic elastomer (TPE).
- TPE thermoplastic elastomer
- this may be a block copolymer which consists of blocks of different monomers. Due to the variation possibilities of the chemical composition and "architecture" of the molecular chains, it is possible to produce plastics with different properties. Due to the insolubility of the individual sequences of the chains, agglomerates or physical networks of the individual building blocks are formed in the plastic.
- This category includes, for example, styrene block copolymers, thermoplastic polyester elastomers, thermoplastic polyurethanes, soft polyolefin thermoplastics or thermoplastic polyamide.
- a TPE blend consisting of a thermoplastic matrix and elastic particles can be used.
- the material can be processed like a thermoplastic, the elastic particles give the plastic its elastic usability. It is important to have good mixing and adhesion of the matrix to the particles.
- This type of material includes PP-EPDM, PP-NR, PP-IIR blends or Polyolifinthermoplaste as PP-EPM blend.
- a wide range of mechanical, haptic, optical or dynamic properties can be achieved, such as a wide range of hardness, temperature resistance, deformation resistance, oil resistance, hydrolysis resistance, weatherability, processability, adhesion to the holding part plastics, dyeability , Damping, strength, abrasion and the like.
- thermoplastic elastomer having a hardness of 2 to 45 Shore A. And with a material hardness of 5 to 12 Shore A and a wall thickness of 0.8 to 1.3 mm of the sheath of the applicator part can be at a length of the applicator of 3 to 7 mm and more preferably 5 mm very good mechanical and haptic at the same time Achieve properties.
- Another preferred embodiment provides a wall thickness of 0.5 to 1 mm and an extension of the applicator in the longitudinal direction of the applicator (head length) of 5 mm to 14 mm and more preferably from 5 mm to 10 mm at a hardness of 10 to 45 Shore A. in front.
- a thermoplastic silicone elastomer has been found to be the preferred applicator plastic in this field.
- thermoplastic elastomer as a blend with silicone content, an excellent release effect of the material at a set hardness of 10 to 40 Shore A can be achieved.
- a thermoplastic silicone elastomer is suitable.
- the haptic properties can be improved in that the applicator part has a surface structure with a multiplicity of structural elements whose extent perpendicular to the applicator part surface is less than 1.2 mm.
- the surface structure may have a preferred direction.
- various effects such as a velor effect, and different entrainment properties for the cosmetic preparation can be adjusted. This ensures an improved distribution and / or blending of the cosmetic preparation with at the same time more pleasant feeling during the skin contact.
- an injection mold with a laser-sintered negative of the surface profile of the applicator part is preferably used when the applicator part plastic is injected onto the holding part.
- nubs, lines, grooves, strips, waves, honeycombs, cups, cams or the like may be preferred as surface structures of the applicator part. These can be regular or irregular. It can be so from those with a closed surface to those with an open-pored surface, as z. B. has a sponge applicator, a plurality of applicators are simulated.
- the geometric design of the applicator itself can be in almost any way, z.
- the cosmetic pencil according to Fig. 1 has an applicator 12 according to the invention at one end of its shaft 10.
- the cosmetic pencil shown may be both a wooden pin and a plastic pin, which has in its shaft 10 a memory of any kind or a refill for the preparation to be applied.
- the cosmetic preparation may be applied as indicated by a pencil after sharpening the end 14 opposite to the applicator 12 and drawn with the aid of the applicator, sharpened or provided with transitions.
- the applicator 12 may also be configured in the form of a separate brush, brush or spatula-like application element as an addition to a cosmetic product or as part of a make-up set.
- the applicator 12 is closed with a cap or a schooner 16. Therefore, in Fig. 1 the applicator part is not visible. Only a portion of a holding part 18, with which the cap 16 in the in Fig. 2 shown in more detail form-fitting manner and connects the applicator with the shaft 10 of the cosmetic pencil is visible in the area between cap 16 and shaft 10.
- the applicator 12 is shown in cross-section.
- the holding part 18 of the applicator is attached on the shaft 10 of the cosmetic pencil.
- the holding part and the shaft are in a located at the lower end of the holding part mounting portion 20 by clamping with additional elements 22 of a positive snap connection consisting of an annular projection on the inner circumference of the holding part 18 and a corresponding, circumferential annular groove in the shaft 10, connected to each other , If necessary, the durability of the compound can be enhanced by additional bonding (for example by hot glue).
- additional bonding for example by hot glue
- the actual cosmetic pencil as well as the applicator are usually supplied by different manufacturers and assembled independently of the individual production. However, this can be done in the inventive applicator without risk of contamination, since it was initially made germ-free and sealed with a saver before it is put on the way and can not come to final assembly with microorganisms or other contaminants in contact.
- the holding part 18 then has, on the mounting portion 20, a closure portion 24 tapered in cross-section for fastening and sealing the covering cap 16.
- the closure portion 24 in turn has elements 26 of a positive connection, consisting of an interrupted or continuous circumferential, annular projection on the inner circumference of the cap 16, which engages in a corresponding annular groove on the circumference of the holding part 18 by a so-called. (Releasable) click connection.
- the elements 26 can also be designed so that a gas-tight closure between the cap and the holding part is achieved so that, for example, fluids in the cosmetic preparation do not volatilize, so the preparation does not "dry out".
- the gas-tight closure can of course also be achieved by separate sealing elements.
- the applicator part 30 is designed as a hollow body in the form of a projectile.
- the hollow body is produced according to the invention by injection molding onto the holding part 18 in a corresponding injection mold with a core to be encapsulated, which is removed from the applicator to form the cavity of the applicator part after the applicator part plastic solidifies.
- the holding part 18 is preferably made of thermoplastic material such as polyethylene, polypropylene, polyvinyl chloride, polyacetate, polyacetal, polystyrene or its copolymers, or polyamide and the applicator 30 of thermoplastic elastomer, silicone rubber, NBR, plasticized PVC or the like.
- a connecting layer 32 is formed, in which the various plastics of the holding part 18 and of the applicator part 30 are mixed with one another (for example by diffusion). When cutting such an applicator, this mixing layer can be detected or analyzed with the naked eye or under the microscope.
- the bonding layer 32 will be thicker or less thick when the applicator part is sprayed on.
- this compound layer has elements 34 of a positive connection, namely a circumferential annular groove on the outer circumference of the holding part 18 and a corresponding, circumferential annular projection on the inner circumference of the applicator 30 on.
- These elements 34 may be provided, as shown, in addition to the connection by mixing to improve the strength of the connection between Holding member 18 and applicator 30 increase without deteriorating the hygiene properties, but are not mandatory.
- Fig. 3 the applicator part of the applicator according to the invention is shown according to a first embodiment, the surface structure having a plurality of structural elements in the form of bristles.
- the applicator part is rotationally symmetrical about its vertical axis in this representation, which coincides with the longitudinal direction of extension of the applicator (not shown).
- the applicator part tapers in the longitudinal direction with increasing distance from the holding part (not shown).
- the degree of rejuvenation increases towards the tip, resulting in a characteristic bullet shape.
- the bristles are in Fig. 3 - as in the following Fig. 4 to 11 Also - enlarged for illustrative purposes.
- the bristles are all substantially perpendicular to the applicator part surface.
- Fig. 4 Also shown is an applicator portion in the characteristic bullet shape having bristle-like features on its surface.
- the dimensions of the individual bristles are, however, compared to those of the embodiment Fig. 3 chosen differently.
- the diameter of the individual bristles is approximately 0.2 mm, while their length is approximately 0.8 mm.
- the bristles are not applied over the entire area of the applicator part surface. This configuration results in larger spaces between the individual bristles, which, together with the smaller cross-section and the greater length of the bristles, contribute to making the bristles more flexible overall, that is to say they are easier to deform when pressure is applied.
- the larger distances cause a larger volume to be accommodated for the cosmetic preparation (holding volume) to be distributed than in the applicator previously shown.
- the capillary force is reduced due to the larger bristle spacings.
- the surface structure consists of annularly closed lamellae, which are arranged substantially rotationally symmetrical about the longitudinal extension direction of the applicator, which in turn coincides with the rotational symmetry axis of the applicator part shown.
- the height of the individual lamellae, ie their extension perpendicular to the applicator surface is in the illustrated embodiment at 0.2 mm.
- This comparatively low structure has only low deformability. For the entrainment properties in the longitudinal direction of the applicator are better. With this applicator, a particularly uniform veneering can be achieved in particular by tougher textures.
- the orientation of the applicator about the axis of rotation irrelevant, which simplifies the handling of the applicator.
- Fig. 6 shows an embodiment of an applicator with crowns as structural elements.
- the crowns are hexagonal and have circumferentially each arranged at the corners of prongs.
- the cross sections of the crowns are different. In the region of the applicator part with a larger cross section, the cross section of the crowns is also increased, while the cross section of the crowns in the region of the tapered applicator part tip is also smaller.
- the prongs of the crowns have a length of about 0.2 mm to 0.4 mm above the Base surface of the Applikatorteils, while the surface of the crowns is formed in the center of each cup-shaped.
- the peculiarity of the crown structure lies in the fact that, even with a tapered tip of the applicator part, an arrangement of prongs which is repeated in the same way and with almost uniform intervals between the crowns over the entire applicator part is established. Overall, such a good coverage of the applicator is guaranteed with structural elements, which ensures a uniform application of cosmetic preparations without banding.
- the embodiment according to Fig. 7 shows an applicator, which is characterized on the one hand by a larger dimension in the longitudinal direction.
- the structural elements on this applicator part surface are nubs. These differ from the bristles according to 3 and 4 through rounded ends.
- the bristles are not so high in their extension perpendicular to the Applikatorteilober components. They have a height of about 0.35 mm with a diameter of about 0.2 mm.
- the density of the bristles is very high, which reduces the holding volume for the cosmetic preparation to be distributed but increases the holding force due to the capillary forces and thus the veneering properties of the applicator.
- FIG. 8 an embodiment of an applicator according to the invention is shown, which in turn has knobs as structural elements. These extend 0.25 mm perpendicular to the Applikatorteilober Structure and have an overall less dense distribution on the applicator. Also, the distribution on the applicator part surface is more irregular. As a result, in total - similar to a coarse comb - a coarser distribution of the cosmetic preparation can be achieved, optionally with a targeted banding.
- FIGS. 9 and 10 In each case applicator parts are shown, which have at their end facing the holding part a cylindrical connecting portion 910 and 1010. At this point, the applicator are molded onto the respective holding part, not shown. Furthermore, the applicator parts each have two opposite, substantially planar flattenings 912 and 914 or 1012 and 1014. The flattenings are inclined relative to one another so that the applicator part tapers off from the respective connection surface 910 or 1010 in a wedge-shaped manner. In the plane of the flattenings, the applicator part essentially maintains its dimensions over the entire length of the head.
- the applicator part also has a narrow, substantially flat flattening 916 or 1016 at its end-side end opposite the respective connection surface 910 or 1010. All three flattenings 912, 914, 916 and 1012, 1014, 1016 are provided with lamellar structural elements. These lamellar structural elements are partially closed annular, partially not. In particular, the lateral area-like flattenings 912 and 914 or 1012 and 1014 offer an enlarged contact surface of the applicator part for application to the skin. As a result, larger areas of the skin can be concealed simultaneously or distribute the cosmetic preparation located thereon. For finer contours, the narrower structures on the respective end flattenings 916, 1016 are suitable.
- Fig. 11 a further embodiment of an applicator with bristle-like structural elements is shown.
- the individual bristles have a diameter of 0.35 mm and a height above the applicator part surface of 0.8 mm.
- the applicator sub-surface is further subdivided into "macroscopic" structures, within which different numbers of bristles are arranged with uniform packing density. Between the individual macroscopic areas there are gaps in which no structural elements are provided.
- This applicator part furthermore has, on its front end opposite the connection section, an inclined surface to the longitudinal axis, which allows a particularly good ergonomic handling when distributing cosmetic compositions with obliquely employed applicator.
- the driving ability (the holding volume and the holding force) can be set much more targeted by the choice of suitable structural elements and thus to each application, d. H. individually to the specific area of the skin and the properties of the cosmetic preparation (viscosity, surface adhesion, coverage). This is facilitated by the injection molding method according to the invention, which is characterized by the use of an injection mold with a laser-sintered negative of the surface profile of the applicator.
- the entrainment capability can also be adjusted to the particular application by suitably selecting the frictional resistance, for example, by making a suitable choice of the Applikatorteilbuchs and its hardness.
- any surface structure may have one or more preferential directions that are not necessarily perpendicular to the applicator sub-surface have to stand.
- the preferred direction of the structural elements can be adjusted depending on the ergonomic handling of the applicator depending on the intended application.
- the exemplified structures can also be used in combination on the same applicator part.
- different structures for different applications may be provided on opposite surfaces of the same applicator part. It is also possible to mix the structural elements on an application surface or over the entire applicator part.
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Abstract
Description
Die Erfindung betrifft einen Applikator mit einem Halteteil und einem Applikatorteil zum Verteilen einer kosmetischen Zubereitung auf der Haut, Semischleimhaut oder Schleimhaut sowie ein Verfahren zum Herstellen eines solchen Applikators.The invention relates to an applicator with a holding part and an applicator part for distributing a cosmetic preparation on the skin, semi-mucous membrane or mucosa and a method for producing such an applicator.
Applikatoren dieser Art sind in der Kosmetikindustrie in separater Ausführung oder an verschiedenen Kosmetikprodukten, insbesondere an in Holz oder in Kunststoff gefassten Kosmetikstiften an deren einem Ende als Mittel zum Verteilen oder Verblenden der auf die Haut, Semischleimhaut oder Schleimhaut (Augenlider, Lippen oder dgl.) aufgetragenen kosmetischen Zubereitung aufzufinden. Als kosmetische Zubereitung kommen alle Arten flüssiger, pastöser, gelartiger oder pulverförmiger Substanzen in Frage. Der Applikator soll helfen, beispielsweise eine gleichmäßige Deckung durch die kosmetische Zubereitung auf der Haut , einen Auftrag auf einem exakt abgegrenzten Hautbereich zu erzielen, Konturen schärfer zu zeichnen, (streifenlose) Übergänge zu schaffen, Schattierungen herzustellen und dergleichen mehr.Applicators of this type are in the cosmetics industry in a separate execution or on various cosmetic products, especially on wood or plastic covered cosmetic pencils at one end as a means for distributing or blending the skin, semi-mucous membrane or mucous membrane (eyelids, lips or the like.) found cosmetic preparation. As a cosmetic preparation, all types of liquid, pasty, gelatinous or powdery substances come into question. The applicator should help, for example, a uniform coverage by the cosmetic preparation on the skin, to achieve an order on a precisely demarcated area of the skin, to sharpen contours, to create (streak-free) transitions, to produce shades and the like.
Solche Applikatoren bestehen bekanntermaßen aus einem Halteteil aus Metall oder Kunststoff (Haltezwinge), in welchem das Applikatorteil aus einem beliebigen, in der Regel weichen Kunststoffmaterial, wie z.B. Schaumstoff, Weichgummi, Schwammgummi, einem Kunststoff-Formteil oder dgl. durch Klemmung und/oder Klebung befestigt ist.Such applicators are known to consist of a holding part made of metal or plastic (holding clamp), in which the applicator part of any, usually soft plastic material, such as foam, Soft rubber, sponge rubber, a plastic molding or the like. By clamping and / or gluing is attached.
Es handelt sich also um ein Element aus zwei - in einigen Fällen auch noch mehreren - verschiedenen Materialien, die an verschiedenen Produktionsstätten hergestellt und - nicht selten - an einem hiervon nochmals unterschiedlichen Ort montiert werden. Ein Metallwarenhersteller liefert beispielsweise ein metallenes Formteil als Haltezwinge, ein Kunststoff-Verarbeiter ein entsprechendes Kunststoff-Formteil als Applikatorteil und in einem separaten Arbeitsgang wird dann aus diesen Einzelkomponenten der Applikator möglicherweise von einem dritten Hersteller zusammengesetzt.So it is an element of two - in some cases even more - different materials that are produced at different production sites and - not infrequently - mounted in a different location. A metalware manufacturer supplies, for example, a metal molding as a holding clamp, a plastics processor a corresponding plastic molding as an applicator and in a separate operation then the applicator is possibly composed of these individual components of a third manufacturer.
Da der Applikator bei Anwendung durch den Endverbraucher mit der kosmetischen Zubereitung benetzt wird, wird er meist mit einer Abdeckkappe, einem sog. "Schoner" versehen, die - aus welcher Quelle auch immer stammend - jedenfalls in einem weiteren Arbeitsgang auf den montierten Applikator aufgesteckt wird. Der Hersteller des Kosmetik-Endproduktes befestigt dann den Applikator mit Abdeckkappe in einem letzten Arbeitsgang an dem von ihm hergestellten Kosmetikprodukt oder an einer sonstigen Handhabe.Since the applicator is wetted in use by the end user with the cosmetic preparation, it is usually provided with a cap, a so-called. "Schooner", which - originating from whatever source - at least in a further operation on the mounted applicator is plugged , The manufacturer of the final cosmetic product then attaches the applicator with cap in a final operation on the cosmetic product made by him or other handle.
Der Herstellungs- und Verabeitungsprozess eines Applikators und damit des Kosmetik-Endproduktes durchläuft also sehr viele Stationen und ist dementsprechend teuer. Daraus resultiert der weitere Nachteil, dass durch die Abhängigkeit von mehreren Herstellern eine störungsanfällige Produktions- und Liefersituation entsteht, da das Risiko steigt, dass nicht alle beteiligten HerstellerNerarbeiter stets die geforderte Menge und/oder Qualität hergestellter Einzelkomponenten bereitstellen können.The manufacturing and processing process of an applicator and thus of the cosmetic end product thus goes through many stations and is therefore expensive. This results in the further disadvantage that the dependency on several manufacturers results in a fault-prone production and delivery situation, since the risk increases that not all involved manufacturer's employees can always provide the required quantity and / or quality of produced individual components.
Ferner weisen die Applikatorteile meist eine sehr große Oberfläche auf, insbesondere dann, wenn sie aus einem offenporigen Kunststoffmaterial gefertigt (geschäumt) oder beflockt werden. Diese sehr große Oberfläche bietet bei unsachgemäßer Verarbeitung in Verbindung mit wechselnder Luftfeuchtigkeit fast ideale Lebensbedingungen für Mikroorganismen. Die Applikatorteile müssen daher sehr sorgfältig unter Beachtung vorgegebener Hygienerichtlinien hergestellt und verpackt und in den nachfolgenden (Montage-)Stufen bis hin zur Verarbeitung zum Endprodukt jeweils mit gleicher Sorgfalt zusammengefügt, weiterverarbeitet, verpackt und/oder gelagert werden. Um mikrobiellen Belastungen vorzubeugen, können die gefertigten Applikatoren nach der Montage auch in einer dem einschlägig befassten Fachmann geläufigen Weise sterilisiert werden. Auch ist es möglich, den Kunststoffen, insbesondere dem Applikatorteil, Zusätze mit mikrobizider oder wachstumshemmender Wirkung beizumischen. Beispielsweise kommen hierfür Silberionendonatoren in Frage.Furthermore, the applicator parts usually have a very large surface area, in particular if they are made from an open-pored plastic material (foamed) or flocked. This very large surface provides improper processing in conjunction with changing humidity almost ideal living conditions for microorganisms. The applicator parts must therefore be very manufactured and packaged carefully in compliance with specified hygiene guidelines and assembled, further processed, packed and / or stored in the following (assembly) stages up to the processing to the end product with equal care. To prevent microbial loads, the manufactured applicators can also be sterilized after assembly in a manner known to those skilled in the art. It is also possible to admix additives with microbicidal or growth-inhibiting action to the plastics, in particular the applicator part. For example, silver ion donors are suitable for this purpose.
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Während sich diese Art von Applikatoren zwar beispielsweise hervorragend zum Auftragen von Mascara auf den Wimpern und gleichzeitiges Vereinzeln der Wimpern eignet, ist er für das Verteilen oder Verblenden von kosmetischer Zubereitung auf der Haut, Semischleimhaut oder Schleimhaut aufgrund seiner Oberflächenbeschaffenheit und Eigenstabilität nicht geeignet.While this type of applicator, while for example excellent for applying mascara on the eyelashes and simultaneous separation of the eyelashes, it is not suitable for distributing or blending of cosmetic preparation on the skin, semi-mucous membrane or mucosa due to its surface texture and inherent stability.
Aufgabe der Erfindung ist es, einen Applikator zu schaffen, der zum Verteilen oder Verblenden von kosmetischen Zubereitungen auf der Haut oder Schleimhaut geeignet ist und die vorstehenden Nachteile eines hohen logistischen und fertigungstechnischen Aufwands sowie mikrobieller Belastungen überwindet.The object of the invention is to provide an applicator which is suitable for distributing or blending of cosmetic preparations on the skin or mucous membrane and overcomes the above drawbacks of a high logistical and production engineering effort and microbial loads.
Die Aufgabe wird durch einen Applikator zum Verteilen einer kosmetischen Zubereitung auf der Haut, Semischleimhaut oder Schleimhaut mit den Merkmalen des Anspruchs 1 gelöst. Sie wird ferner durch ein Verfahren zum Herstellen eines solchen Applikators mit den Merkmalen des Anspruchs 43 gelöst.The object is achieved by an applicator for distributing a cosmetic preparation on the skin, semi-mucous membrane or mucosa with the features of claim 1. It is further achieved by a method for producing such an applicator with the features of claim 43.
Bei einem solchen Applikator mit einem Halteteil und einem in Längserstreckungsrichtung des Applikators an das Halteteil angespritzten Applikatorteil, die beide zumindest teilweise aus Kunststoff bestehen, wobei der Kunststoff des Halteteils härter ist als der Kunststoff des Applikatorteils und wobei das Halteteil keinen sich in Längserstreckungsrichtung des Applikators in das Applikatorteil hinein erstreckenden Kern bildet, ist es möglich, durch das Halteteil einerseits die nötige Eigenstabilität des Applikators zu erzielen und durch die Wahl eines weicheren Applikatorteilkunststoffes andererseits die gewünschten haptischen, Mitnahme- und Verteilungseigenschaften für den jeweiligen Anwendungsfall einzustellen. So kann das Applikatorteil und der Applikatorteilkunststoff so gewählt werden, dass er auf die kosmetische Zubereitung, die bestimmte Hautpartie und die bevorzugten Konturen abgestimmt ist.In such an applicator having a holding part and an applicator part molded onto the holding part in the longitudinal direction of the applicator, both of which are at least partially made of plastic, wherein the plastic of the holding part is harder than the plastic of the applicator part and wherein the holding part is not in the longitudinal direction of the applicator in forms the Applikatorteil inside extending core, it is possible by the holding part on the one hand to achieve the necessary inherent stability of the applicator and set by the choice of a softer Applikatorteilkunststoffes on the other hand, the desired haptic, entrainment and distribution properties for the particular application. Thus, the applicator part and the Applikatorteilkunststoff can be chosen so that it is tailored to the cosmetic preparation, the specific area of the skin and the preferred contours.
Da das erfindungsgemäße Verfahren zum Herstellen eines solchen Applikators vorsieht, dass im Zwei-Komponenten-Spritzgussverfahren das Applikatorteil in Längserstreckungsrichtung des Applikators an das Halteteil mittels einer Spritzmaschine angespritzt - statt wie im Fall der bekannten Mascarabürsten umspritzt - wird, bildet das Halteteil keinen harten Kern. Für den Applikator oder genauer das Applikatorteil steht ein sehr viel höherer Grad an Flexibilität als bei den bekannten Mascarabürsten oder auch den beispielsweise beflockten Applikatoren zur Verfügung. Ferner werden die Nachteile der aufwendigen Herstellung und der mikrobiellen Belastung gegenüber den zuletzt genannten Applikatoren auf einfache Weise gelöst, da das Anspritzen des Applikatorteilkunststoffs, wie erwähnt, bei für Mikroorganismen lebensfeindlichen Bedingungen erfolgt.Since the inventive method for producing such an applicator provides that molded in the two-component injection molding process, the applicator in the longitudinal direction of the applicator to the holding part by means of a spraying machine - instead of as in the case of the known mascara brushes - is, the holding part does not form a hard core. For the applicator or more precisely the applicator part is a much higher degree of flexibility than in the known mascara brushes or the example flocked applicators available. Furthermore, the disadvantages of the complex production and the microbial load compared to the last-mentioned applicators are solved in a simple manner, since the injection molding of the Applikatorteilkunststoffs, as mentioned, takes place in hostile conditions for microorganisms.
Besonders bevorzugt wird das Halteteil zumindest teilweise aus Kunststoff in derselben Spritzmaschine in einem dem Anspritzen des Applikatorteils vorausgehenden Spritzvorgang hergestellt.Particularly preferably, the holding part is at least partially made of plastic in the same injection molding machine in an injection molding preceding the injection molding of the applicator.
Dabei ist es nicht entscheidend, dass das Halteteil vollständig in dem vorausgehenden Spritzvorgang aus dem Halteteilkunststoff erzeugt wird oder ausschließlich aus Kunststoff besteht. Ebenso kann vor dem Spritzen des Halteteils wenigstens ein Einlegeteil beispielsweise aus Metall, Holz oder Duroplast in Form einer Zwinge oder als Rastelement zur späteren Verbindung mit dem Kosmetikstift oder dgl. in die Spritzmaschine eingelegt werden, so dass während des Spritzvorgangs, d. h. während des Umspritzens mit dem Halteteilkunststoff, ein Verbundformteil entsteht. Die Keimfreiheit ist somit auch in diesem Fall gewährleistet, da unter Umständen mit dem Einlegeteil in die Spritzmaschine eingebrachte Bakterien oder Mikroorganismen schon während des Umspritzens mit dem Halteteilkunststoff abgetötet werden.It is not crucial that the holding part is completely generated in the preceding injection molding of the holding part plastic or consists exclusively of plastic. Likewise, at least one insert, for example made of metal, wood or thermosetting plastic in the form of a clamp or as a latching element for subsequent connection with the cosmetic pencil or the like. In the injection machine are inserted before the injection of the holding part, so that during the injection process, d. H. during the encapsulation with the holding part plastic, a composite molded part is formed. The sterility is thus ensured even in this case, as may be killed with the insert in the injection molding machine bacteria or microorganisms already during the encapsulation with the holding part plastic.
Vorteilhaft ist es, wenn das Anspritzen des Applikatorteils so erfolgt, dass sich zwischen dem Applikatorteil und dem Halteteil eine Vermischungsschicht ausbildet. Hierdurch wird eine materialschlüssige sichere Verbindung zwischen dem Halteteil und dem Applikatorteil erzeugt und zugleich werden Nischen zwischen Halteteil und Applikator vermieden, in denen sich Mikroorganismen bevorzugt ansammeln, da die Materialien fließend ineinander übergehen. Die Vermischung bewirkt ferner, dass das Applikatorteil nicht mehr zerstörungsfrei von dem Halteteil abgelöst werden kann. Sie findet in einem Übergangsbereich von Halteteil zu Applikatorteil statt, wo durch das Anspritzen des heißen Applikatormaterials die Oberfläche des Halteteils angeschmolzen wird. Die Vermischungsschicht entsteht durch Vermischen des Applikatorteilkunststoffes und des Halteteilkunststoffes beim Anspritzen des Applikatorteils an das Halteteil.It is advantageous if the spraying of the applicator part takes place such that a mixing layer is formed between the applicator part and the holding part. In this way, a material-secure connection between the holding part and the applicator is generated and at the same time niches between holding part and applicator are avoided, in which microorganisms accumulate preferentially, as the materials merge smoothly into each other. The mixing also has the effect that the applicator part can no longer be detached from the holding part in a non-destructive manner. It takes place in a transition region of the holding part to the applicator, where by the injection molding of the hot applicator material Surface of the holding part is melted. The mixing layer is formed by mixing the Applikatorteilkunststoffes and the holding part plastic when molding the Applikatorteils to the holding part.
Dieser Effekt wird materialabhängig dadurch verstärkt, dass das Anspritzen nach dem Spritzvorgang zur Herstellung des Halteteils vor dessen vollständigem Abkühlen auf Umgebungs- oder Raumtemperatur erfolgt. Eine günstige Verarbeitungstemperatur des Halteteilmaterials liegt zwischen 30° C und 80° C und bevorzugt zwischen 60° C und 80° C. Dies entspricht einer bevorzugten Abkühlzeit nach dem Spritzen des Halteteils in Abhängigkeit von der Materialstärke des Halteteils und der Umgebungstemperatur von 10 bis 25 Sekunden. Bei anderen Materialien kann das Anspritzen aber auch bei einer tiefere Verarbeitungstemperatur (5° C oder weniger) erfolgen. In jedem Fall kann durch die Wahl der materialabhängig geeigneten Verarbeitungstemperatur das Halteteil beim Anspritzen des Applikatorteils wahlweise mehr oder weniger stark aufgeschmolzen und damit die Dicke der Vermischungsschicht eingestellt werden. Eine vorteilhafte Vermischungsschichtdicke beträgt zwischen 1/100 mm bis hin zu einigen 1/10 mm. Wahlweise kann das Halteteil vor dem Anspritzen des Applikatorteils auch vorgewärmt werden. Das Ausbilden einer Vermischungsschicht kann auf diese Weise auch unabhängig von der Herstellung des Halteteils gesteuert werden und lässt sich grundsätzlich auch auf Einlegeteile aus thermoplastischem Kunststoff oder dgl. übertragen.Depending on the material, this effect is intensified by the fact that injection molding takes place after the injection process for the production of the holding part before its complete cooling down to ambient or room temperature. A favorable processing temperature of the holding part material is between 30 ° C and 80 ° C and preferably between 60 ° C and 80 ° C. This corresponds to a preferred cooling time after spraying the holding part depending on the material thickness of the holding part and the ambient temperature of 10 to 25 seconds , In the case of other materials, however, the injection molding can also take place at a lower processing temperature (5 ° C. or less). In any case, by selectively selecting the processing temperature which is suitable for the material, the holding part can be melted more or less strongly when the applicator part is sprayed on, and thus the thickness of the mixing layer can be adjusted. An advantageous mixing layer thickness is between 1/100 mm to a few 1/10 mm. Optionally, the holding part can also be preheated prior to injection of the applicator. The formation of a mixing layer can in this way also be controlled independently of the production of the holding part and, in principle, can also be transferred to inserts made of thermoplastic material or the like.
Alternativ oder zusätzlich zu der materialschlüssigen Vermischungsschicht weist die Verbindungsschicht eine formschlüssige Verbindung zwischen dem Applikatorteil und dem Halteteil auf.Alternatively or in addition to the material-mixing layer, the connecting layer has a positive connection between the applicator part and the holding part.
Zur weiteren Steigerung der Hygienebedingungen wird eine Abdeckkappe / ein Schoner in derselben oder einer zweiten nahe der Spritzmaschine für den Applikator angeordneten Spritzmaschine, vorzugsweise zeitgleich, mit dem Anspritzen des Applikatorteils hergestellt. Die Abdeckkappe oder der Schoner wird besonders bevorzugt in einem weiteren Verfahrensschritt in derselben Spritzmaschine nach dem Anspritzen des Applikatorteils auf das Applikatorteil aufgesetzt, um so die Berührung mit Keimen am Sichersten vermeiden zu können. Alternativ wird die Abdeckkappe auf einer Montageeinrichtung zwischen der Spritzmaschine für den Applikator und der zweiten Spritzmaschine für die Abdeckkappe auf das Applikatorteil aufgesetzt.To further increase the hygiene conditions, a cap / schooner is made in the same or a second injection molding machine located near the spraying machine for the applicator, preferably at the same time, with the injection molding of the applicator part. The cap or the schooner is particularly preferably placed in a further process step in the same spraying machine after the injection of the applicator on the applicator, so as the safest way to avoid contact with germs. Alternatively, the cap is placed on a mounting device between the spraying machine for the applicator and the second spraying machine for the cap on the applicator.
Die haptischen Eigenschaften des Apllikatorteils lassen sich bevorzugt dadurch weiterbilden, dass das Applikatorteil von einer einen Hohlraum zumindest teilweise einschließenden Ummantelung gebildet wird. In Abhängigkeit von der Wandstärke der Ummantelung wird so ein großer Bereich an Variabilität hinsichtlich der Deformierbarkeit des Applikatorsteils, d.h. hinsichtlich der Vergrößerung der Kontaktfläche zwischen dem Applikatorteil und der Haut in Abhängigkeit von dem beim Applizieren aufgebrachten Druck, erreicht. Auf diese Weise kann die Flexibilität des Applikatorteils je nach Viskosität der aufzutragenden Masse so eingestellt werden, dass in Abstimmung auf die jeweilige kosmetischen Zubereitung und das Anwendungsgebiet eine optimale Handhabung hinsichtlich Verteilung und Verblendung erzielt wird.The haptic properties of the applicator part can preferably be further developed in that the applicator part is formed by a sheath which at least partially encloses a cavity. Depending on the wall thickness of the jacket, such a large range of variability in the deformability of the applicator part, i. with respect to the increase of the contact area between the applicator part and the skin in dependence on the pressure applied during application. In this way, the flexibility of the applicator depending on the viscosity of the mass to be applied can be adjusted so that in coordination with the respective cosmetic preparation and the application area optimal handling in terms of distribution and veneering is achieved.
Ein solcher Applikator lässt sich mit einem Verfahren herstellen, bei dem beim Anspritzen des Applikatorteils an das Halteteil eine Spritzgussform eingesetzt wird, die einen zu umspritzenden Kern aufweist, der zur Bildung des Hohlraums des Applikatorteils nach dem Erstarren des Applikatorteilkunststoffs aus dem Applikator herausgelöst wird.Such an applicator can be produced by a method in which an injection mold is used when the applicator part is injection-molded onto the holding part, which has a core to be encapsulated which is removed from the applicator to form the cavity of the applicator part after solidification of the applicator part plastic.
In einer weiteren vorteilhaften Ausführungsform ist der Applikatorteilkunststoff ein thermoplastisches Elastomer (TPE). Hierbei kann es sich einerseits um ein Block-Copolymer handeln, welches aus Blöcken unterschiedlicher Monomere besteht. Aufgrund der Variationsmöglichkeiten von chemischer Zusammensetzung und "Architektur" der Molekülketten lassen sich so Kunststoffe mit unterschiedlichen Eigenschaften herstellen. Aufgrund der Unlöslichkeit der einzelnen Sequenzen der Ketten bilden sich im Kunststoff Agglomerate oder physikalische Netzwerke der einzelnen Bausteine. Zu dieser Kategorie gehören beispielsweise Styrol-Block-Copolymere, thermoplastische Polyesterelastomere, thermoplastische Polyurethane, weiche Polyolifinthermoplaste oder thermoplastisches Polyamid. Andererseits kann auch ein TPE-Blend bestehend aus einer thermoplastischen Matrix und elastischen Partikeln eingesetzt werden. Durch Aufschmelzen der Matrix lässt sich der Werkstoff wie ein Thermoplast verarbeiten, die elastischen Partikel verleihen dem Kunststoff seine elastische Gebrauchseignung. Wichtig dabei ist eine gute Durchmischung und eine Haftung der Matrix an den Partikeln. Zu dieser Art Werkstoff gehören PP-EPDM, PP-NR, PP-IIR-Blends oder Polyolifinthermoplaste als PP-EPM-Blend.In a further advantageous embodiment, the Applikatorteilkunststoff is a thermoplastic elastomer (TPE). On the one hand, this may be a block copolymer which consists of blocks of different monomers. Due to the variation possibilities of the chemical composition and "architecture" of the molecular chains, it is possible to produce plastics with different properties. Due to the insolubility of the individual sequences of the chains, agglomerates or physical networks of the individual building blocks are formed in the plastic. This category includes, for example, styrene block copolymers, thermoplastic polyester elastomers, thermoplastic polyurethanes, soft polyolefin thermoplastics or thermoplastic polyamide. On the other hand, a TPE blend consisting of a thermoplastic matrix and elastic particles can be used. By melting the matrix, the material can be processed like a thermoplastic, the elastic particles give the plastic its elastic usability. It is important to have good mixing and adhesion of the matrix to the particles. This type of material includes PP-EPDM, PP-NR, PP-IIR blends or Polyolifinthermoplaste as PP-EPM blend.
Durch Verwendung eines geeigneten TPE-Werkstoffes lässt sich eine große Bandbreite an mechanischen, haptischen, optischen oder dynamischen Eigenschaften erzielen, wie zum Beispiel ein großer Bereich der Härte, Temperaturbeständigkeit, Verformungsbeständigkeit, Ölbeständigkeit, Hydrolysebeständigkeit, Witterungsbeständigkeit, Verarbeitbarkeit, Haftung an den Halteteilkunststoffen, Färbbarkeit, Dämpfung, Festigkeit, Abrieb und dergleichen.By using a suitable TPE material, a wide range of mechanical, haptic, optical or dynamic properties can be achieved, such as a wide range of hardness, temperature resistance, deformation resistance, oil resistance, hydrolysis resistance, weatherability, processability, adhesion to the holding part plastics, dyeability , Damping, strength, abrasion and the like.
Insbesondere im Hinblick auf die haptischen Eigenschaften erweist es sich als vorteilhaft, ein thermoplastisches Elastomer mit einer Härte von 2 bis 45 Shore A zu verwenden. Und bevorzugt bei einer Materialhärte von 5 bis 12 Shore A und einer Wandstärke von 0,8 bis 1,3 mm der Ummantelung des Applikatorteils lassen sich bei einer Länge des Applikatorteils von 3 bis 7 mm und besonders bevorzugt 5 mm sehr gute mechanische und zugleich haptische Eigenschaften erzielen. Eine andere bevorzugte Ausführungsform sieht eine Wandstärke von 0,5 bis 1 mm und eine Ausdehnung des Applikatorteils in Längserstreckungsrichtung des Applikators (Kopflänge) von 5 mm bis 14 mm und besonders bevorzugt von 5 mm bis 10 mm bei einer Härte von 10 bis 45 Shore A vor. In diesem Bereich hat sich insbesondere ein thermoplastisches Silikonelastomer als bevorzugter Applikatortzeilkunststoff herausgestellt.In particular, with regard to the haptic properties, it proves to be advantageous to use a thermoplastic elastomer having a hardness of 2 to 45 Shore A. And with a material hardness of 5 to 12 Shore A and a wall thickness of 0.8 to 1.3 mm of the sheath of the applicator part can be at a length of the applicator of 3 to 7 mm and more preferably 5 mm very good mechanical and haptic at the same time Achieve properties. Another preferred embodiment provides a wall thickness of 0.5 to 1 mm and an extension of the applicator in the longitudinal direction of the applicator (head length) of 5 mm to 14 mm and more preferably from 5 mm to 10 mm at a hardness of 10 to 45 Shore A. in front. In particular, a thermoplastic silicone elastomer has been found to be the preferred applicator plastic in this field.
Insbesondere durch die Verwendung von thermoplastischem Elastomer als Blend mit Silikonanteil lässt sich eine hervorragende Trennwirkung des Materials bei einer eingestellten Härte von 10 bis 40 Shore A erzielen. Hierfür eignet sich insbesondere ein thermoplastisches Silikon-Elastomer.In particular, by the use of thermoplastic elastomer as a blend with silicone content, an excellent release effect of the material at a set hardness of 10 to 40 Shore A can be achieved. For this purpose, in particular a thermoplastic silicone elastomer is suitable.
Gemäß einer weiteren bevorzugten Ausführungsform lassen sich die haptischen Eigenschaften dadurch verbessern, dass das Applikatorteil eine Oberflächenstruktur mit einer Vielzahl von Strukturelementen aufweist, deren Erstreckung senkrecht zur Applikatorteiloberfläche weniger als 1,2 mm beträgt. Je nach Ergonomie des gesamten Applikators und nach der Applikationsanwendung sowie der aufzutragenden kosmetischen Zubereitung kann die Oberflächenstruktur dabei eine Vorzugsrichtung aufweisen. Hierdurch lassen sich verschiedene Effekte, wie beispielsweise ein Velourseffekt, und unterschiedliche Mitnahmeeigenschaften für die kosmetische Zubereitung einstellen. Dies sorgt für ein verbessertes Verteilen und/oder Verblenden der kosmetischen Zubereitung bei gleichzeitig angenehmerem Empfinden während der Hautberührung.According to a further preferred embodiment, the haptic properties can be improved in that the applicator part has a surface structure with a multiplicity of structural elements whose extent perpendicular to the applicator part surface is less than 1.2 mm. Depending on the ergonomics of the entire applicator and after the application application and the cosmetic preparation to be applied, the surface structure may have a preferred direction. As a result, various effects, such as a velor effect, and different entrainment properties for the cosmetic preparation can be adjusted. This ensures an improved distribution and / or blending of the cosmetic preparation with at the same time more pleasant feeling during the skin contact.
Bei dem erfindungsgemäßen Verfahren zur Herstellung eines solchen Applikators, wird bevorzugt beim Anspritzen des Applikatorteilkunststoffes an das Halteteil eine Spritzgussform mit einem Laser-gesinterten Negativ des Oberflächenprofils des Applikatorteils eingesetzt. Hierdurch kann auf einfache und reproduzierbare Weise eine wunschgemäße Regelmäßigkeit der Oberflächenstruktur mit wunschgemäßer Profiltiefe der Strukturelemente erzeugt werden, wie es bei den bekannten Verfahren nicht der Fall ist. In Abhängigkeit von der Elastizität des Applikatorteils bzw. Härte des Applikatorteilkunststoffs lässt sich so einerseits ein beliebiges Empfinden (z. B. samtig, rau, glatt, gummiartig usw.) und andererseits je nach den Eigenschaften der kosmetischen Zubereitung (Viskosität, Oberflächenhaftung, etc.) eine gewünschte Depot- und/oder Mitnahmewirkung und/oder ein (druckabhängiges) Abgabeverhalten erzielen.In the method according to the invention for producing such an applicator, an injection mold with a laser-sintered negative of the surface profile of the applicator part is preferably used when the applicator part plastic is injected onto the holding part. As a result, a desired regularity of the surface structure with desired profile depth of the structural elements can be produced in a simple and reproducible manner, as is not the case with the known methods. Depending on the elasticity of the applicator part or hardness of the Applikatorteilkunststoffs on the one hand any feeling (eg velvety, rough, smooth, rubbery, etc.) and on the other hand depending on the properties of the cosmetic preparation (viscosity, surface adhesion, etc. ) achieve a desired depot and / or entrainment effect and / or a (pressure-dependent) release behavior.
Als Oberflächenstrukturen des Applikatorteils sind je nach Anwendung unterschiedliche geometrische Anordnungen und Abmessungen von Noppen, Linien, Rillen, Leisten, Wellen, Waben, Näpfen, Nocken oder dergleichen zu bevorzugen. Diese können regelmäßig oder unregelmäßig gestaltet werden. Es kann so von solchen mit einer geschlossenen Oberfläche bis hin zu solchen mit einer offenporigen Oberfläche, wie sie z. B. ein Schwammapplikator aufweist, eine Vielzahl an Applikatoren simuliert werden.Depending on the application, different geometric arrangements and dimensions of nubs, lines, grooves, strips, waves, honeycombs, cups, cams or the like may be preferred as surface structures of the applicator part. These can be regular or irregular. It can be so from those with a closed surface to those with an open-pored surface, as z. B. has a sponge applicator, a plurality of applicators are simulated.
Auch die geometrische Ausführung des Applikatorteils an sich kann in fast beliebiger Weise, z. B. keilförmig, ballig, zylinderförmig, mit oder ohne (ebenen) Auftragsflächen (Abplattungen), als Kugelkörper, in Geschossform, als Kegel, Platte, Bürste, oder in sonstigen Designformen je nach Ergonomie- und Designgesichtspunkten gestaltet werden.The geometric design of the applicator itself can be in almost any way, z. B. wedge-shaped, convex, cylindrical, with or without (flat) application surfaces (flattening), as a spherical body, in projectile form, as a cone, plate, brush, or in other design forms depending on ergonomics and design aspects are designed.
Weitere Aufgaben, Merkmale und Vorteile der Erfindung werden im Folgenden anhand eines Ausführungsbeispiels mit Hilfe der Zeichnungen näher erläutert. Es zeigen:
- Fig. 1
- eine schematische Darstellung eines Kosmetikstifts mit einem erfindungsgemäßen Applikator;
- Fig. 2
- eine vergrößerte Schnittzeichnung des Applikators aus
Fig. 1 mit Abdeckkappe; - Fig. 3
- eine Seitenansicht des Applikatorteils einer ersten Ausführungsform des erfindungsgemäßen Applikators mit einer borstenartigen Oberflächenstruktur;
- Fig. 4
- eine Seitenansicht des Applikatorteils einer zweiten Ausführungsform des erfindungsgemäßen Applikators mit einer borstenartigen Oberflächenstruktur;
- Fig. 5
- eine Seitenansicht des Applikatorteils einer dritten Ausführungsform des erfindungsgemäßen Applikators mit einer lammellenartigen Oberflächenstruktur;
- Fig. 6
- eine Seitenansicht des Applikatorteils einer vierten Ausführungsform des erfindungsgemäßen Applikators mit einer kronenartigen Oberflächenstruktur;
- Fig. 7
- eine Seitenansicht des Applikatorteils einer fünften Ausführungsform des erfindungsgemäßen Applikators mit einer noppenartigen Oberflächenstruktur;
- Fig. 8
- eine Seitenansicht des Applikatorteils einer sechsten Ausführungsform des erfindungsgemäßen Applikators mit einer noppenartigen Oberflächenstruktur;
- Fig. 9
- eine perspektivische Darstellung des Applikatorteils einer siebten Ausführungsform des erfindungsgemäßen Applikators mit einer lamellenartigen Oberflächenstruktur;
- Fig. 10
- eine perspektivische Darstellung des Applikatorteils einer achten Ausführungsform des erfindungsgemäßen Applikators mit einer weiteren lamellenartigen Oberflächenstruktur; und
- Fig. 11
- eine Seitenansicht des Applikatorteils eines erfindungsgemäßen Applikators mit einer weiteren borstenartigen Oberflächenstruktur.
- Fig. 1
- a schematic representation of a cosmetic pencil with an applicator according to the invention;
- Fig. 2
- an enlarged sectional drawing of the applicator
Fig. 1 with cover cap; - Fig. 3
- a side view of the applicator of a first embodiment of the applicator according to the invention with a bristle-like surface structure;
- Fig. 4
- a side view of the applicator part of a second embodiment of the applicator according to the invention with a bristle-like surface structure;
- Fig. 5
- a side view of the applicator part of a third embodiment of the applicator according to the invention with a lamellar surface structure;
- Fig. 6
- a side view of the applicator part of a fourth embodiment of the applicator according to the invention with a crown-like surface structure;
- Fig. 7
- a side view of the applicator of a fifth embodiment of the applicator according to the invention with a knob-like surface structure;
- Fig. 8
- a side view of the applicator of a sixth embodiment of the applicator according to the invention with a knob-like surface structure;
- Fig. 9
- a perspective view of the applicator of a seventh embodiment of the applicator according to the invention with a lamellar surface structure;
- Fig. 10
- a perspective view of the Applikatorteils an eighth embodiment of the applicator according to the invention with a further lamellar surface structure; and
- Fig. 11
- a side view of the applicator part of an applicator according to the invention with a further bristle-like surface structure.
Der Kosmetikstift gemäß
Der Applikator 12 ist mit einer Abdeckkappe oder einem Schoner 16 verschlossen. Daher ist in
In der Ausschnittsvergrößerung gemäß
Der Halteteil 18 weist anschließend an den Montageabschnitt 20 einen im Querschnitt verjüngten Verschlussabschnitt 24 zum Befestigen und Abdichten der Abdeckkappe 16 auf. Der Verschlussabschnitt 24 weist wiederum Elemente 26 einer formschlüssigen Verbindung, bestehend aus einem unterbrochen oder durchgehend umlaufenden, ringförmigen Vorsprung am Innenumfang der Abdeckkappe 16 auf, der in eine korrespondierende Ringnut am Umfang des Halteteils 18 durch eine sog. (lösbare) Clickverbindung einrastet. Die Elemente 26 der formschlüssigen Verbindung können zudem so ausgestaltet sein, dass ein gasdichter Verschluss zwischen der Abdeckkappe und dem Halteteil erzielt wird, damit beispielsweise Fluide in der kosmetischen Zubereitung sich nicht verflüchtigen, die Zubereitung also nicht "austrocknet". Der gasdichte Verschluss kann freilich auch durch separate Dichtelemente erzielt werden.The holding
In Fortsetzung an den Verschlussabschnitt 24 schließt sich ein Halteabschnitt 28 zum Befestigen des Applikatorteils 30 an dem Halteteil 18 an. Der Applikatorteil 30 ist vorliegend als Hohlkörper in Geschossform ausgebildet. Der Hohlkörper wird erfindungsgemäß durch Anspritzen an das Halteteil 18 in einer entsprechenden Spritzgussform mit einem zu umspritzenden Kern, der zur Bildung des Hohlraums des Applikatorteils nach dem Erstarren des Applikatorteilkunststoffs aus dem Applikator herausgelöst wird, hergestellt. Ist das Halteteil 18 vorzugsweise aus thermoplastischem Kunststoff, wie Polyethylen, Polypropylen, Polyvinylchlorid, Polyacetat, Polyacetal, Polystyrol oder seinen Mischpolymeren, oder Polyamid hergestellt und wird das Applikatorteil 30 aus thermoplastischem Elastomer, Siliconkautschuk, NBR, Weich-PVC oder dgl. unmittelbar nach dem Spritzen des Halteteils 18 an dieses angespritzt, bildet sich eine Verbindungsschicht 32 aus, in der sich die verschiedenartigen Kunststoffe des Halteteils 18 und des Applikatorteils 30 (beispielsweise durch Diffusion) miteinander vermischen. Beim Aufschneiden eines solchen Applikators lässt sich diese Vermischungsschicht mit bloßem Auge oder unter dem Mikroskop erkennen bzw. analysieren. Die Verbindungsschicht 32 wird je nach Temperatur des Halteteils beim Anspritzen des Applikatorsteils dicker oder weniger dick ausfallen.Continuing with the closure section 24, a holding
Unabhängig von der Verbindung zwischen dem Halteteil 18 und dem Applikatorteil 30 durch die Vermischungsschicht 32 weist diese Verbindungsschicht noch Elemente 34 einer formschlüssigen Verbindung, nämlich eine umlaufende Ringnut am Außenumfang des Halteteil 18 sowie einen korrespondierenden, umlaufenden ringförmigen Vorsprung am Innenumfang des Applikatorteils 30 auf.Regardless of the connection between the holding
Diese Elemente 34 können, wie gezeigt, zusätzlich zu der Verbindung durch Vermischung vorgesehen werden, um die Festigkeit der Verbindung zwischen Halteteil 18 und Applikatorteil 30 zu erhöhen, ohne die Hygieneeigenschaften zu verschlechtern, sind aber nicht zwingend notwendig.These
In
In
Bei der in
Das Ausführungsbeispiel gemäß
In
In den
In
Allen gezeigten Ausführungsbeispielen von Applikatorteilen ist gemeinsam, dass sie im Vergleich zu beispielsweise beflockten Applikatoren nur eine geringe Oberflächenvergrößerung, d. h. eine im Verhältnis zur Applikatorteilgrundfläche geringere Strukturfläche aufweisen, wodurch die Gefahr mikrobieller Belastungen auch nach der ersten Anwendung reduziert werden.All embodiments of applicator parts shown have in common that they only have a small increase in surface area in comparison to, for example, flocked applicators. H. have a lower surface area in relation to the Applikatorteilgrundfläche, whereby the risk of microbial loads are reduced even after the first application.
Auch die Mitnahmefähigkeit (das Haltevolumen und die Haltekraft) lässt sich durch die Wahl geeigneter Strukturelemente sehr viel gezielter einstellen und somit auf jeden Anwendungsfall, d. h. auf die zur Applikation bestimmte Hautpartie und die Eigenschaften der kosmetischen Zubereitung (Viskosität, Oberflächenhaftung, Abdeckung) individuell abstimmen. Dies wird durch das erfindungsgemäße Spritzgussverfahren erleichtert, welches durch die Verwendung einer Spritzgussform mit einem Laser-gesinterten Negativ des Oberflächenprofils des Applikatorteils gekennzeichnet ist.The driving ability (the holding volume and the holding force) can be set much more targeted by the choice of suitable structural elements and thus to each application, d. H. individually to the specific area of the skin and the properties of the cosmetic preparation (viscosity, surface adhesion, coverage). This is facilitated by the injection molding method according to the invention, which is characterized by the use of an injection mold with a laser-sintered negative of the surface profile of the applicator.
Die Mitnahmefähigkeit kann auf den jeweiligen Anwendungsfall ferner durch geeignete Wahl des Reibungswiderstands eingestellt werden, beispielsweise indem eine geeignete Wahl des Applikatorteilkunststoffes und dessen Härte getroffen wird.The entrainment capability can also be adjusted to the particular application by suitably selecting the frictional resistance, for example, by making a suitable choice of the Applikatorteilkunststoffes and its hardness.
Durch die Ausbildung eines Hohlraums im Inneren des Applikatorteils und die geeignete Wahl der Wandstärke sowie des Applikatorteilkunststoffes lässt sich die Deformation des Applikatorteils und damit die Flächenvergrößerung durch den beim Applizieren aufgebrachten Druck sehr gezielt einstellen, was ebenfalls in Abhängigkeit von dem Produkt das jeweils gewünschte Applikationsergebnis erzielt.By forming a cavity in the interior of the applicator and the appropriate choice of the wall thickness and the Applikatorteilkunststoffes the deformation of the applicator and thus the surface enlargement can be adjusted very targeted by the pressure applied during application, which also achieves the respective desired application result depending on the product ,
Grundsätzlich kann jede Oberflächenstruktur eine oder mehrere Vorzugsrichtungen aufweisen, die nicht notwendigerweise senkrecht auf der Applikatorteiloberfläche stehen müssen. Auch die Vorzugsrichtung der Strukturelemente kann in Abhängigkeit von der ergonomischen Handhabung des Applikators je nach beabsichtigter Anwendung eingestellt werden.In principle, any surface structure may have one or more preferential directions that are not necessarily perpendicular to the applicator sub-surface have to stand. The preferred direction of the structural elements can be adjusted depending on the ergonomic handling of the applicator depending on the intended application.
Die beispielhaft genannten Strukturen können auch in Kombination auf demselben Applikatorteil eingesetzt werden. Beispielsweise können auf gegenüberliegenden Flächen desselben Applikatorteils unterschiedliche Strukturen für unterschiedliche Anwendungen (Verblenden, Verteilen, etc.) vorgesehen sein. Auch ist es möglich, die Strukturelemente auf einer Applikationsfläche bzw. über das gesamte Applikatorteil zu mischen.The exemplified structures can also be used in combination on the same applicator part. For example, different structures for different applications (blending, distributing, etc.) may be provided on opposite surfaces of the same applicator part. It is also possible to mix the structural elements on an application surface or over the entire applicator part.
Claims (54)
- An applicator (12) for applying a cosmetic preparation on the skin, semimucous membranes or mucous membranes with
a retainer part (18) and an applicator part (30) being injection-moulded on the retainer part (18) in longitudinal direction of the applicator (12)
wherein both the retainer part (18) and the applicator part (30) consist at least partially of plastic, and the plastic of the retainer part (18) is harder than the plastic of the applicator part (30), and
wherein the retainer part (18) does not form a core extending into the applicator part (30),
characterized in
that the retainer part (30) has a retainer portion (28), and
that the applicator part (30) is injection-moulded in longitudinal direction of the applicator (12) by means of a connecting portion (910; 1010) on the retainer portion (28) by forming a connection layer (32). - The applicator (12) as claimed in claim 1,
characterized in that the connection layer (32) between the retainer portion (28) of the retainer part (18) and the connecting portion (910; 1010) of the applicator part (30) has a mixture layer consisting of the plastic of the applicator part and the plastic of the retainer part. - The applicator (12) as claimed in claim 2,
characterized in that the thickness of the mixture layer is between 1/100 mm and several 1/10 mm. - The applicator (12) as claimed in any one of the claims 2 or 3,
characterized in that the connection layer (32) has a form-fitting connection (34) between the connecting portion (910; 1010) of the applicator part (30) and the retainer portion (28) of the retainer part (18). - The applicator (12) as claimed in any one of the above claims,
characterized in that the applicator part (30) is formed by a sheath, at least partially enclosing a cavity. - The applicator (12) as claimed in claim 5,
characterized in that the applicator part (30) has an expansion in longitudinal direction of less than 14 mm. - The applicator (12) as claimed in any one of the above claims,
characterized in that the applicator part (30) extends at least in portions rotationally symmetric in the longitudinal direction of the applicator (12). - The applicator (12) as claimed in any one of the above claims,
characterized in that the applicator part (30) tapers in longitudinal direction of the applicator (12) away from the retainer part (18). - The applicator (12) as claimed in any one of the above claims,
characterized in that the applicator part (30) has at least one substantially plane flatness (916, 1016). - The applicator (12) as claimed in any one of the above claims,
characterized in that the plastic of the applicator part comprises silicone rubber. - The applicator (12) as claimed in any one of the claims 1 to 9,
characterized in that the plastic of the applicator part comprises plasticized PVC. - The applicator (12) as claimed in any one of the above claims,
characterized in that the plastic of the applicator part is a thermoplastic elastomer. - The applicator (12) as claimed in claim 12,
characterized in that a block copolymer is used for the plastic of the applicator part. - The applicator (12) as claimed in claim 12,
characterized in that the thermoplastic elastomer is formed by a mixture of a thermoplastic substance with elastic particles (Blend). - The applicator (12) as claimed in any one of the claims 12 to 14,
characterized in that the thermoplastic elastomer has a hardness from 2 to 45 Shore A. - The applicator (12) as claimed in claim 15,
characterized in that the thermoplastic elastomer has a hardness from 5 Shore A to 12 Shore A. - The applicator (12) as claimed in any one of the claims 5 to 16,
characterized in that the sheath has a wall thickness from 0.8 mm to 1.3 mm and an expansion in longitudinal direction from 3 mm to 7 mm. - The applicator (12) as claimed in claim 17,
characterized in that the sheath has a wall thickness from 0.8 mm to 1.3 mm at a hardness from 5 Shore A to 12 Shore A, and an expansion in longitudinal direction of about 5 mm. - The applicator (12) as claimed in claim 15,
characterized in that the sheath has a wall thickness from 0.5 mm to 1 mm at a hardness from 10 Shore A to 45 Shore A, and an expansion in longitudinal direction from 5 mm to 10 mm. - The applicator (12) at least as claimed in claim 15,
characterized in that a thermoplastic silicone elastomer with a hardness from 10 to 30 Shore A is used for the plastic of the applicator part. - The applicator (12) as claimed in any one of the above claims,
characterized in that the applicator part (30) has a surface structure with a variety of structural elements. - The applicator (12) as claimed in claim 21,
characterized in that the structural elements have an expansion perpendicular to the surface of the applicator part of less than 1.2 mm. - The applicator (12) as claimed in any one of the claims 21 or 22, characterized in that the structural elements comprise burlings.
- The applicator (12) as claimed in claim 23,
characterized in that the burlings have an expansion perpendicular to the surface of the applicator part between 0.25 mm and 0.5 mm, and in particular of 0.2 mm. - The applicator (12) as claimed in claim 24,
characterized in that the burlings have a diameter between 0.1 mm and 0.3 mm, and in particular a diameter of 0.2 mm. - The applicator (12) as claimed in any one of the claims 21 or 22,
characterized in that the structural elements comprise crowns with respectively circumferentially arranged jags. - The applicator (12) as claimed in claim 26,
characterized in that the crowns are hexagonal, wherein at each corner a jag is arranged respectively. - The applicator (12) as claimed in any one of the claims 26 or 27, characterized in that the crowns have different cross-sections.
- The applicator (12) as claimed in any one of the claims 26 to 28,
characterized in that the jags have an expansion perpendicular to the surface of the applicator part between 0.2 mm and 0.6 mm, and in particular an expansion of 0.4 mm. - The applicator (12) as claimed in any one of the claims 21 or 22,
characterized in that the structural elements comprise fins. - The applicator (12) as claimed in claim 30,
characterized in that the fins have an expansion perpendicular to the surface of the applicator part between 0.1 mm and 0.3 mm, and in particular of 0.2 mm. - The applicator (12) as claimed in any one of the claims 30 or 31,
characterized in that the fins are orientated substantially laterally to the longitudinal direction of the applicator. - The applicator (12) as claimed in any one of the claims 30 or 31,
characterized in that the fins are closed in a ring shape. - The applicator (12) as claimed in claim 33,
characterized in that the fin rings are substantially rotationally symmetric around the longitudinal direction of the applicator. - The applicator (12) as claimed in claim 33,
characterized in that the fin rings are substantially arranged on the plane flatness (916, 1016). - The applicator (12) as claimed in any one of the claims 21 or 22,
characterized in that the structural elements comprise bristles. - The applicator (12) as claimed in claim 36,
characterized in that the bristles have an extension perpendicular to the surface of the applicator part between 0.3 mm and 1 mm. - The applicator (12) as claimed in claim 37,
characterized in that the bristles have a diameter from 0.4 mm to 0.6 mm, by an expansion between 0.4 mm and 0.6 mm perpendicular to the surface of the applicator part. - The applicator (12) as claimed in claim 37,
characterized in that the bristles have a diameter from 0.1 mm to 0.3 mm, by an expansion between 0.7 mm and 1 mm perpendicular to the surface of the applicator part. - The applicator (12) as claimed in any one of the above claims,
characterized in that the plastic of the retainer part comprises a thermoplastic resin, preferably polyethylene, polypropylene, polyvinyl chloride, polyacetate, polyacetal, polystyrene or its copolymers, or polyamide. - The applicator (12) as claimed in any one of the above claims,
characterized in that the retainer part (18) at least partially consists of thermosetting plastic. - The applicator (12) as claimed in any one of the above claims, characterized in that the retainer part (18) partially consists of metal.
- A method for producing an applicator (12) as claimed in any one of the above claims,
with the method step of injection-moulding the applicator part (30) in longitudinal direction of the applicator on the retainer part (18) by means of an injection-moulding machine,
wherein the retainer part (18) is produced at least partially by plastic in the same injection-moulding machine in an injection-moulding operation prior to the injection-moulding of the applicator part (30), and
wherein the injection-moulding is carried out such that a mixture layer (32) is generated between the applicator part (30) and the retainer part (30),
wherein the applicator part (30) is injection-moulded in longitudinal direction of the applicator (12) by means of the connecting portion (910, 1010) at the retainer portion (28), by forming of a mixture layer (32), such that the retainer part (18) does not form a core extending in longitudinal direction into the applicator part (30). - The method as claimed in claim 43,
characterized in that a form-fitting connection (34) is produced between the applicator part (30) and the retainer part (18) when injection-moulding. - The method as claimed in any one of the claims 43 or 44,
characterized in that the injection-moulding is carried out after the injection-moulding operation for producing the retainer part (18) and before the complete cooling of the retainer part (18) to ambient temperature. - The method as claimed in any one of the claims 43 or 45,
characterized in that the injection-moulding is carried out at a processing temperature for the retainer part material between 30°C and 80°C. - The method as claimed in any one of the claims 43 to 46,
characterized in that during injection-moulding an injection-moulding die is used, which comprises a core injection-moulded around, which is separated from the applicator after the setting of the plastic of the applicator part, for forming a cavity of the applicator part. - The method as claimed in any one of the claims 43 to 47,
characterized in that during injection-moulding an injection-moulding die with a laser sintered negative of the surface profile of the applicator part (30) is inserted. - The method as claimed in any one of the claims 43 to 48,
characterized in that the retainer part (18) is produced by a thermoplastic resin, preferably polyethylene, polypropylene, polyvinyl chloride, polyacetate, polyacetal, polystyrene or its copolymers, or polyamide. - The method as claimed in any one of the claims 43 to 49,
characterized in that the retainer part (18) comprises an insert made of thermosetting plastic, being inserted in the injection-moulding machine before the injection-moulding of the applicator part (30) and/or the insert-moulding with the plastic of the retainer part. - The method as claimed in any one of the claims 43 to 50,
characterized in that the retainer part (18) comprises an insert made of metal, which is inserted in the injection-moulding machine before the injection-moulding of the applicator part (30) and/or the insert-moulding with the plastic of the retainer part. - The method as claimed in any one of the claims 43 to 51,
characterized in that a cover cap (16) is produced in the same or in a second injection-moulding machine being arranged near by the injection-moulding machine for the applicator part (30), preferably simultaneously to the injection-moulding of the applicator part (30). - The method as claimed in claim 52,
characterized in that the cover cap (16) is set onto the applicator part (30) after the injection-moulding of the applicator part (30) in the injection-moulding machine. - The method as claimed in claim 53,
characterized in that the cover cap (16) is set onto the applicator part (30) on a mounting device between the injection-moulding machine for the applicator part (30) and the second injection-moulding machine for the cover cap.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05762664A EP1796506B1 (en) | 2004-08-06 | 2005-06-17 | Applicator and method for production of an applicator |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04018716A EP1623651A1 (en) | 2004-08-06 | 2004-08-06 | Applicator and method for producing an applicator |
EP05762664A EP1796506B1 (en) | 2004-08-06 | 2005-06-17 | Applicator and method for production of an applicator |
PCT/EP2005/006558 WO2006015652A1 (en) | 2004-08-06 | 2005-06-17 | Applicator and method for production of an applicator |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1796506A1 EP1796506A1 (en) | 2007-06-20 |
EP1796506B1 true EP1796506B1 (en) | 2011-10-05 |
Family
ID=34926085
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04018716A Withdrawn EP1623651A1 (en) | 2004-08-06 | 2004-08-06 | Applicator and method for producing an applicator |
EP05762664A Active EP1796506B1 (en) | 2004-08-06 | 2005-06-17 | Applicator and method for production of an applicator |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04018716A Withdrawn EP1623651A1 (en) | 2004-08-06 | 2004-08-06 | Applicator and method for producing an applicator |
Country Status (4)
Country | Link |
---|---|
US (1) | US7874300B2 (en) |
EP (2) | EP1623651A1 (en) |
AT (1) | ATE526847T1 (en) |
WO (1) | WO2006015652A1 (en) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2030524B1 (en) * | 2007-08-31 | 2010-10-20 | GEKA GmbH | Cosmetic unit wiper |
DE202007014474U1 (en) * | 2007-10-16 | 2009-03-05 | Schwan-Stabilo Cosmetics Gmbh & Co. Kg | Sprayed applicators |
FR2943512B1 (en) * | 2009-03-27 | 2011-05-27 | Oreal | METAL APPLICATOR. |
US8272862B2 (en) * | 2009-05-29 | 2012-09-25 | L'oreal Sa | Article and method for fabricating an applicator tip assembly for a skin formulation applicator |
CN105392389A (en) * | 2013-07-15 | 2016-03-09 | 宝洁公司 | Applicator for applying compositions that smooth wrinkles and skin texture imperfections |
FR3010618B1 (en) * | 2013-09-18 | 2018-01-05 | Oreal | PELTIER EFFECT DEVICE FOR CREATING COLD OR HOT SENSATION |
WO2016036761A1 (en) | 2014-09-02 | 2016-03-10 | HCT Group Holdings Limited | Container with dispensing tip |
WO2016044266A1 (en) | 2014-09-15 | 2016-03-24 | HCT Group Holdings Limited | Container with collapsible applicator |
US9439498B1 (en) * | 2015-02-10 | 2016-09-13 | Naomi Grizelda Eversley | Device for applying lip coating and method of use |
US9993059B2 (en) | 2015-07-10 | 2018-06-12 | HCT Group Holdings Limited | Roller applicator |
USD818641S1 (en) | 2016-03-16 | 2018-05-22 | HCT Group Holdings Limited | Cosmetics applicator with cap |
EP3582650A1 (en) | 2017-02-17 | 2019-12-25 | Porex Corporation | Liquid applicator and device |
USD841235S1 (en) | 2017-03-15 | 2019-02-19 | HCT Group Holdings Limited | Spatula cosmetic applicator |
WO2019178000A1 (en) | 2018-03-14 | 2019-09-19 | HCT Group Holdings Limited | Wheel actuated cosmetic stick |
CN208192513U (en) * | 2018-05-08 | 2018-12-07 | 汕头市京华塑胶有限公司 | A kind of silica gel brush velvet apple head |
USD886633S1 (en) | 2018-05-18 | 2020-06-09 | HCT Group Holdings Limited | Cosmetic dispenser with cap |
KR102086484B1 (en) * | 2018-07-13 | 2020-03-09 | 주식회사 디티에스엠지 | Container for hair tonic |
USD889745S1 (en) | 2018-09-06 | 2020-07-07 | HCT Group Holdings Limited | Dual purpose makeup applicator |
USD910236S1 (en) | 2018-11-20 | 2021-02-09 | HCT Group Holdings Limited | Ball tip applicator |
CN109924657A (en) * | 2019-04-03 | 2019-06-25 | 洽兴包装工业(中国)有限公司 | From cosmetic pen tip component with massage function |
FR3104480B1 (en) | 2019-12-17 | 2022-12-30 | Cmsi Conception Et Moulage Au Service De Lindustrie | MANUFACTURING OF MILLIMETRIC TO DECIMETRIC PLASTIC PARTS, BY INJECTION AND FINISHING |
US20210323205A1 (en) * | 2020-04-21 | 2021-10-21 | Elc Management Llc | Cosmetic lip applicator |
FR3110898B1 (en) * | 2020-05-27 | 2024-03-15 | Coradin Sas | ASSEMBLY COMPOSED OF A CONTAINER FOR A FLUID AND A DISPENSER PACKAGING |
EP4091500A1 (en) * | 2021-05-21 | 2022-11-23 | GEKA GmbH | Applicator with a 3d printed applicator component attached in a special way |
US11772851B2 (en) | 2021-06-21 | 2023-10-03 | Medmix Switzerland Ag | Liquid applicator |
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US2099030A (en) * | 1935-04-10 | 1937-11-16 | Binney And Smith Co | Method of applying paint |
US2140009A (en) * | 1937-12-15 | 1938-12-13 | Wilfred C Hand | Cosmetic applicator |
US3895877A (en) * | 1973-03-05 | 1975-07-22 | Kenneth A Fomby | Applicator brush and method of making same |
US4635659A (en) * | 1984-01-05 | 1987-01-13 | Spatz Laboratories, Inc. | Mascara applicator |
SE463492B (en) * | 1986-04-21 | 1990-12-03 | Mats Ljungberg | SEE TO MAKE BRUSHED TOOTH |
DE8914353U1 (en) * | 1989-12-06 | 1990-02-15 | Schwan-Stabilo Schwanhäußer GmbH & Co, 8500 Nürnberg | Device for applying flowable cosmetic mascara, especially mascara |
GB2255714B (en) | 1991-05-14 | 1995-02-15 | Song Show Chen | A fountain brush pen with a nest brush seat and concealed vents |
US5749117A (en) * | 1996-09-20 | 1998-05-12 | Forsline; Ladd B. | Paint applicator having an improved working tip |
FR2759873B1 (en) * | 1997-02-21 | 1999-04-23 | Oreal | DEVICE FOR APPLYING A MAKE-UP PRODUCT OF KERATINIC FIBERS, IN PARTICULAR EYELASHES, AND PACKAGING AND APPLICATION ASSEMBLY USING SUCH A DEVICE |
US6039053A (en) | 1999-03-10 | 2000-03-21 | Turrentine; Mary Faye | Cosmetic applicator |
DE19911763A1 (en) * | 1999-03-16 | 2000-09-21 | Coronet Werke Gmbh | Applicator brush for liquid or pasty agents, especially for decorative cosmetics such as mascara |
US6050271A (en) | 1999-05-06 | 2000-04-18 | Spencer; Debra J. | Hair coloring applicator |
FR2810857B1 (en) * | 2000-06-28 | 2003-01-10 | Oreal | ASSEMBLY FOR APPLYING A PRODUCT TO A SUPPORT AND USE THEREOF FOR THE TREATMENT OF HAIR |
CA2382142C (en) | 2000-07-12 | 2005-08-23 | L'oreal | Device for packaging and/or applying a product containing fibres comprising at least a magnetised or magnetizable element |
DE10038536A1 (en) * | 2000-08-08 | 2002-02-21 | Zahoransky Anton Gmbh & Co | Location of bristle bundles in injection molded plastic brushes, by applying coolant to the fixing ends, heating, deforming and molding a plastic melt around the ends |
DE20204111U1 (en) | 2002-03-14 | 2002-05-29 | Schwan-Stabilo Cosmetics GmbH & Co., 90562 Heroldsberg | applicator |
DE10233341B4 (en) * | 2002-07-23 | 2015-02-12 | Geka Gmbh | Crescent-shaped applicator for liquid or pasty media |
DE10241218A1 (en) * | 2002-09-06 | 2004-03-25 | Geka Brush Gmbh | Storage and applicator unit |
-
2004
- 2004-08-06 EP EP04018716A patent/EP1623651A1/en not_active Withdrawn
-
2005
- 2005-06-17 EP EP05762664A patent/EP1796506B1/en active Active
- 2005-06-17 WO PCT/EP2005/006558 patent/WO2006015652A1/en active Application Filing
- 2005-06-17 US US10/553,251 patent/US7874300B2/en active Active
- 2005-06-17 AT AT05762664T patent/ATE526847T1/en active
Also Published As
Publication number | Publication date |
---|---|
EP1796506A1 (en) | 2007-06-20 |
ATE526847T1 (en) | 2011-10-15 |
US20070186950A1 (en) | 2007-08-16 |
EP1623651A1 (en) | 2006-02-08 |
US7874300B2 (en) | 2011-01-25 |
WO2006015652A1 (en) | 2006-02-16 |
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