CN102014691A - Cosmetic applicator assembly - Google Patents
Cosmetic applicator assembly Download PDFInfo
- Publication number
- CN102014691A CN102014691A CN2009801162138A CN200980116213A CN102014691A CN 102014691 A CN102014691 A CN 102014691A CN 2009801162138 A CN2009801162138 A CN 2009801162138A CN 200980116213 A CN200980116213 A CN 200980116213A CN 102014691 A CN102014691 A CN 102014691A
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- China
- Prior art keywords
- polymer
- brush
- core
- elongate
- cosmetic applicators
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Classifications
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
- A45D40/26—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball
- A45D40/262—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like
- A45D40/265—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like connected to the cap of the container
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- 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
- A46B3/16—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by wires or other anchoring means, specially for U-shaped bristle tufts
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- 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
- A46B3/18—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier the bristles being fixed on or between belts or wires
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- 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
- A46B3/20—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier the bristles being fixed or joined in rubber bodies, e.g. in soft rubber
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B5/00—Brush bodies; Handles integral with brushware
- A46B5/002—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions
- A46B5/0025—Brushes with elastically deformable heads that change shape during use
- A46B5/0029—Head made of soft plastics, rubber or rubber inserts in plastics matrix
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
- A46B9/021—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups arranged like in cosmetics brushes, e.g. mascara, nail polish, eye shadow
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/06—Arrangement of mixed bristles or tufts of bristles, e.g. wire, fibre, rubber
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
- A45D40/26—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball
- A45D40/262—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like
- A45D40/265—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like connected to the cap of the container
- A45D40/267—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like connected to the cap of the container comprising a wiper
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- 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
Landscapes
- Brushes (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
A cosmetic applicator assembly, which includes a polymeric brush and a twisted wire brush. Specifically, the polymeric brush comprises an elongated polymeric core and multiple polymeric tines protruding from the elongated polymeric core. The elongated polymeric core comprises a first polymeric material of a first tensile modulus, while at least some of the polymeric tines comprise a second polymeric material of a second tensile modulus that is smaller than the first tensile modulus. The twisted wire brush comprises a metal wire core and multiple bristles protruding from the metal wire core. The elongated polymeric core of the polymeric brush is complementarily engaged with at least a portion of the metal wire core of the twisted wire brush to form the cosmetic applicator assembly. The polymeric brush of the present invention is preferably formed by a bi-injection molding process.
Description
Technical field
The present invention relates to people's the hair or the instrument of eyelashes applied cosmetics, relate to the cosmetic applicators assembly that comprises with the polymer brush of turning round the double injection moulding that line brush complementally engages particularly.More particularly, the polymer brush of double injection moulding of the present invention comprises elongate polymer core that is formed by the relative first harder polymeric material and a plurality of polymer pointed tooths that stretch out that formed by the relative second softer polymeric material.
Background technology
Cosmetic brush is generally used for to application zone for example user's hair or eyelashes applied cosmetics (for example mascara etc.).Such cosmetic brush also can be used for separately hair or eyelashes, and can be used for removing unnecessary cosmetics from hair or eyelashes.
A kind of cosmetic brush of general type comprises turns round the line brush, this is turned round line and brushes following formation: at first monometallic wire is converted into the structure of U-shaped roughly and the line segment of pair of parallel is provided, arrange between a part of length of this line segment that then a plurality of softer bristles (are also referred to as filament or fiber, usually form by the nylon thigh), described a part of length keeps or the soft bristle of clamping reliably at the middle part of soft bristle, thereby make these line segments form spirality core (being also referred to as the core portion of turning round) around reversing each other or rotating afterwards, wherein soft bristle radially extends from this core with the spiral or the mode of spiraling.Radially common formation of the soft bristle of Yan Shening turned round bristle portion or the bristle head that line is brushed, and it can be used for using the coating of mascara or other cosmetics on user's hair or eyelashes.The flexible soft bristle of turning round line brush is being sent out fine, soft fur or eyelashes provide good clamping and allow and are coated on aspect hair or the eyelashes mascara especially effective fully.
Yet, be coated with the hair or the mutual easily adhesion of eyelashes of mascara and form inaesthetic.Although the above-mentioned line brush turned round with soft bristle is effectively using on hair or eyelashes aspect the mascara, the hair of caking or eyelashes are separated from each other fully.Lump for eliminating or reducing, line is brushed or more preferably utilize the independent comb with hard tooth can to utilize independent the turning round with harder bristle, uses the back and repairs or put in order step, to separate the hair or the eyelashes of caking.
For avoiding having to utilize independent instrument to carry out the inconvenience of each step of applying and repairing/arrangement step, it is integrated and form single cosmetic applicators with hard stripping fork that expectation makes soft bristle turn round the line brush.Multiple existing list of references discloses this incorporate cosmetic applicators of turning round line brush and comb with different layouts and structure.For example, U.S. Patent No. 3,921,650 disclose a kind of cosmetic applicators, and it has handle and rod, and an end of this rod comprises: have from the comb of the vertically extending hard tooth of a side of base portion; Have and turn round the line brush from the vertically extending softer bristle of opposite side of base portion; And in the sawtooth portion of the end of rod.U.S. Patent No. 6,408,857 disclose a kind of cosmetic applicators, and it comprises turns round the line brush, and this turns round the line brushing tool the softer bristle that is bent into closed hoop, is inserted with the comb that has from the hard tooth of either side or both sides extension in this ring.Broach is offset from the bristle of turning round the line brush, thereby makes cosmetic applicators have the cross section of similar "T"-shaped (if comb only has the tooth that extends from a side) or "+" shape (if comb has the tooth that extends from both sides).US patent application publication No.2004/0221865 discloses a kind of mascara brush of using brush portion and arrangement brush portion that comprises.The arrangement brush portion comprises the comb with hard tooth that injection moulding forms, and use brush portion comprise have a softer bristle turn round the line brush.Arrangement brush portion and use brush portion and interfix makes broach from turning round the bristle skew of line brush, has the two brush of hard tooth and soft bristle thereby form.
Comb in the incorporate cosmetic applicators of above-mentioned prior art is formed by single injection molding technique usually, wherein at first the molten polymer of heat is expelled in the mould, makes its cooling then and forms moulded products.Correspondingly, broach and comb core are all formed by same polymer.Because the comb core provides support structure for whole comb, the polymer that therefore forms this core must be enough hard so that required support structure to be provided.Yet when being formed by same hard polymer, broach can be too hard or too firm and the clamping of forfeiture on hair or eyelashes, and can not arrive between the hair or eyelashes of caking.Thereby the comb of the incorporate cosmetic applicators of above-mentioned prior art may not separate the hair or the eyelashes of caking effectively.
Therefore, exist to improve the demand of dual-use function cosmetic applicators, this dual-use function cosmetic applicators promptly can be used for carrying out cosmetic application function and hair/eyelashes arrangement function but does not have the cosmetic applicators of the above-mentioned defective of prior art instrument always.
Summary of the invention
In one aspect, the present invention relates to a kind of incorporate cosmetic applicators assembly that comprises polymer brush and turn round the line brush.A plurality of polymer pointed tooths that described polymer brush has the elongate polymer core and stretches out from described elongate polymer core.More particularly, described elongate polymer core is made of first polymeric material with first stretch modulus, and in the described polymer pointed tooth at least some are made of second polymeric material with second stretch modulus, and this second stretch modulus is less than described first stretch modulus.The described line brush of turning round comprises metal wire core and a plurality of bristles that stretch out from described metal wire core.The described elongate polymer core of described polymer brush is suitable for complementally engaging with described at least a portion of turning round the described metal wire core of line brush, to form incorporate cosmetic applicators assembly.
Incorporate cosmetic applicators assembly of the present invention can be used for carrying out effectively uses function and repairing/arrangement function.The line brush turned round with softer bristle to people's hair or eyelashes applicating liquid or semiliquid cosmetics (for example is used for, what mascara), the polymer brush with hard pointed tooth (comparing with the bristle of turning round the line brush) was used for such hair or eyelashes follow-up separate and puts in order.Alternatively, polymer brush can comprise and being used for to people's the hair or the softer pointed tooth of eyelashes applied cosmetics, can comprise the follow-up harder bristle that separates and put in order that is used for hair or eyelashes and turn round the line brush.The more important thing is, by by with the used polymeric material of the core that forms polymer brush (promptly, first polymeric material) compares soft polymeric material (promptly, second polymeric material) at least some in the pointed tooth that stretches out of formation polymer brush, make polymer brush obtain to hair or the better clamping of eyelashes, simultaneously the core of polymer brush can continue the support structure that provides required, makes polymer brush of the present invention still can keep its global shape during repairing/arrangement step and does not have tangible bending or twisting.
Notice that terminology used here " joint complementally " or " by complementally engaging " are meant between two or more complementary elements or the structure and form interlocked relationship.In addition, terminology used here " polymer " or " polymerization " are meant any material, composition, structure or the goods that comprise one or more kind polymer, and described polymer can be homopolymers, copolymer or polymer blend.
In another aspect, the present invention relates to be used for and turn round the polymer cosmetic brush that the line cosmetic brush is used in combination.Such polymer cosmetic brush comprises elongate polymer core with longitudinal axis and a plurality of polymer pointed tooths that stretch out from described elongate polymer core.Described elongate polymer core is made of first polymeric material with first stretch modulus, and in the described polymer pointed tooth at least some are made of second polymeric material with second stretch modulus, and this second stretch modulus is less than described first stretch modulus.Described elongate polymer core also comprises and is suitable for one or more projection and/or the recess that complementally engage with one or more counterpart of turning round line brush.
In aspect another, the present invention only relates to a kind of polymer cosmetic brush of a plurality of polymer pointed tooths that comprise elongate polymer core with longitudinal axis and stretch out from described elongate polymer core, such elongate polymer core is made of first polymeric material with first stretch modulus, and in the described polymer pointed tooth at least some are made of second polymeric material with second stretch modulus, and this second stretch modulus is less than described first stretch modulus.
More on the one hand in, the present invention relates to a kind of method of making the cosmetic applicators assembly, this method comprises:
Form polymer brush, this polymer brush comprises elongate polymer core and a plurality of polymer pointed tooths that stretch out from described elongate polymer core, wherein said elongate polymer core is made of first polymeric material with first stretch modulus, in the wherein said polymer pointed tooth at least some are made of second polymeric material with second stretch modulus, this second stretch modulus is less than described first stretch modulus, and wherein said elongate polymer core also comprises and is suitable for one or more projection and/or the recess that complementally engage with one or more counterpart of turning round the line brush;
The line brush is turned round in formation, and this is turned round the line brush and comprises metal wire core and a plurality of bristles that stretch out from described metal wire core; And
The described elongate polymer core of described polymer brush is complementally engaged, to form described cosmetic applicators assembly with described one or more part of turning round the line brush.
Preferably but not necessarily, above-mentioned polymer brush forms by the double injection moulding process, wherein makes the injection mouldings simultaneously of two or more different polymeric materials and forms goods.
To more know other aspects and features of the present invention from following detailed description with reference to accompanying drawing.
Description of drawings
Figure 1A is the stereogram according to the exemplary polymer brush of an embodiment of the invention;
Figure 1B is the vertical view of the exemplary polymer brush of Figure 1A;
Fig. 1 C is representativeness or the schematic cross sectional views that the line A-A along Figure 1B cuts open the exemplary polymer brush of Figure 1A of getting and Figure 1B;
Fig. 2 A is the exemplary side view of turning round the line brush according to an embodiment of the invention;
Fig. 2 B is exemplary representativeness or the schematic cross sectional views of turning round the line brush that B-B along the line cuts open Fig. 2 A that gets;
Fig. 3 A is the side view of turning round the cosmetic applicators assembly that line brush complimentary engagement forms by the polymer brush of Figure 1A to Fig. 1 C and Fig. 2 A to Fig. 2 B according to an embodiment of the invention;
Fig. 3 B is the stereogram of the cosmetic applicators assembly of Fig. 3 A;
Fig. 3 C is representativeness or a schematic cross sectional views of cuing open the cosmetic applicators assembly of Fig. 3 A to Fig. 3 B that gets along the line C-C among Fig. 3 A;
Fig. 4 is the side view according to the cosmetic package of the cosmetic applicators assembly that comprises Fig. 3 A to Fig. 3 C of an embodiment of the invention, described cosmetic applicators assembly is installed on the end of rod, the other end at rod is equipped with cap, and this cap is suitable for complementally engaging with the neck of cosmetics containers;
Fig. 5 to Fig. 6 is the stereogram according to the exemplary polymer brush of the polymer pointed tooth with alternative shape of alternative embodiment of the present invention;
Fig. 7 A is the stereogram according to the exemplary polymer brush with crooked polymer pointed tooth of an embodiment of the invention;
The relative position of two representative pointed tooths of locating mutually on delegation of the exemplary polymer of Fig. 7 B presentation graphs 7A brush contiguously.
The specific embodiment
In the following description, set forth a large amount of specific detail in order to fully understand the present invention, for example concrete structure, parts, material and size.Yet those of ordinary skills should be understood that the present invention can not have these specific detail and implements.In other cases, for avoiding desalinating key element of the present invention, can not too describe known configurations, parts, material or size in detail here.
As previously discussed, the invention provides a kind of incorporate cosmetic applicators assembly, it comprises turns round line brush and double injection forming polymer brush.Specifically, double injection forming polymer brush of the present invention comprises elongate polymer core that is formed by the first harder polymeric material and a plurality of polymer pointed tooths that stretch out that formed by the second softer polymeric material.Think that the softer pointed tooth of polymer brush of this double injection moulding provides better clamping on hair or eyelashes, therefore more effective aspect hair that separately lumps or eyelashes, the hard core of the polymer brush of this double injection moulding simultaneously is sustainable to provide required support structure, makes polymer brush of the present invention still can keep its global shape during repairing/arrangement step and does not have tangible bending or twisting.
Figure 1A to Fig. 1 C shows the various views according to the double injection forming polymer brush 1 of an exemplary embodiment of the present invention.Double injection forming polymer brush 1 comprises handle portion 10 and brushhead 20.A plurality of polymer pointed tooths 26 that brushhead 20 has elongate polymer core 24 and vertically stretches out from elongate polymer core 24.
Specifically, elongate polymer core 24 is formed by the first harder polymeric material, and at least some (all preferred) in a plurality of polymer pointed tooth 26 are formed by the second softer polymeric material.The feature of the first harder polymeric material can be first stretch modulus preferably at about 800MPa to the scope of about 3000MPa, and the feature of the second softer polymeric material can be second stretch modulus less than first stretch modulus, this second stretch modulus preferably at about 35MPa to the scope of about 1200MPa.More preferably, to the scope of about 2000MPa, second stretch modulus is at about 95MPa extremely in the scope of about 570MPa at about 1000MPa for first stretch modulus.More preferably, to the scope of about 1600MPa, second stretch modulus is at about 200MPa extremely in the scope of about 280MPa at about 1250MPa for first stretch modulus.The illustrative polymers that can be used as first polymeric material among the present invention is drawn together but is not limited to ethylene propylene diene rubber EDPM rubber, ethylene-vinyl acetate copolymer, acrylonitrile polymer, polyamide, Merlon, polyester, PETG, polymethyl methacrylate, TPO (for example, polyethylene and polypropylene), polyformaldehyde, polystyrene, polyurethane and acrylonitrile-butadiene-styrene (ABS) in other words.The illustrative polymers that can be used as second polymeric material among the present invention is drawn together but is not limited to silicone elastomer, thermoplastic elastomer (TPE) (for example hydrogenated styrene-butadiene-styrene SEBS block copolymer) in other words, based elastomers (for example ethylene-vinyl acetate copolymer EVA) in other words, thermoplastic polyester elastomer (for example with the trade (brand) name Hytrel of E.I.Du Pont Company
Commercial elastomer), TPUE is (for example with the trade (brand) name Pellethane of Dow Chemical
Commercial elastomer), acrylonitrile polymer and ethylene propylene diene rubber EDPM rubber in other words.Be important to note that the inventory of the above polymeric material that provides only is used for the purpose of explanation, can use any other suitable polymeric material well known in the art replace material listed above or with combination of materials listed above.
In preferred implementation of the present invention, first polymeric material is a polypropylene, and second polymeric material is silicone elastomer or thermoplastic polyester elastomer.In alternative embodiment, first polymeric material is Merlon or acrylonitrile-butadiene-styrene (ABS), and second polymeric material is a TPUE.In another alternative embodiment, first polymeric material is a polyformaldehyde, and second polymeric material is a thermoplastic polyester elastomer.
The elongate polymer core 24 of polymer brush 1 can comprise one or more projection and/or recess, is used for complementally engaging with one or more counterpart of the metal wire core of turning round the line brush.On the one hand, terminology used here " projection " is contained any outstanding structure in a broad sense, includes but not limited to: folder, hook, nail, joint, lug, pin and tab.On the other hand, terminology used here " recess " is contained any recessed structure in a broad sense, includes but not limited to: surface opening (for example groove, hole or hole), ring, aperture, center cavity and gap.For example, elongate polymer core 24 can comprise the surface groove that extends along the longitudinal axis of polymer core 24, and at least a portion of turning round the metal wire core of line brush can be inserted in such surface groove, as U.S. Patent No. 3,921,650 is described, is incorporated into this with its content is complete from every side by reference.Elongate polymer core 24 can comprise the annular surface groove, and at least a portion of turning round the metal wire core of line brush forms and is suitable for the ring that engages with such annular surface groove of elongate polymer core 24, as U.S. Patent No. 6,408,857 is described, is incorporated into this with its content is complete from every side by reference.Preferably but not necessarily, elongate polymer core 24 comprises center cavity 22, and this center cavity has at least one opening in a side of elongate polymer core 24, shown in Figure 1A to Fig. 1 C.Such center cavity 22 extensible whole length through elongate polymer cores 24, perhaps its part of extend past only, and in the far-end 24T place of polymer core 24 closure, shown in Figure 1A to Figure 1B.Opening in the center cavity 22 is a feature with angle α (shown in Fig. 1 C) preferably, this angle in about 1 ° to 90 ° scope, more preferably about 15 ° to about 75 ° scope, most preferably about 30 ° to about 60 ° scope.
The handle portion 10 of exemplary polymer brush 1 comprises the center cavity 12 that is connected with the center cavity 22 of elongate polymer core 24.In addition, center cavity 12 has also bottleneck pore or the slit 14 that is connected with the opening of the center cavity 22 of elongate polymer core 24. Center cavity 12 and 22 in the polymer brush 1 is suitable for holding the metal wire core of turning round the line brush, and polymer brush 1 treats that turning round the line brush with this complementally engages.The soft bristle that the slit 14 at handle portion 10 places allows to turn round the line brush passes handle portion 10 under the situation that bends hardly or do not have to bend, the opening of the center cavity 22 of elongate polymer core 24 holds the soft bristle of turning round the line brush, and allows it to stretch out fully from elongate polymer core 24.
Fig. 2 A illustrates the exemplary side view of turning round line brush 2, and the polymer brush 1 of Figure 1A to Fig. 1 C treats that turning round the line brush with this complementally engages.Specifically, turn round line brush 2 and comprise metal wire core 30, by the single metal line is converted into the line segment that U-shaped provides pair of parallel, thereby make this a pair of line segment form this metal wire core 30 around reversing each other or rotating then with spiral form.Turn round the flexible soft bristle 42 and 44 that line brush 2 also comprises a plurality of different lengths that radially extend from metal wire core 30.Specifically, shown in the cutaway view of Fig. 2 B, long bristle 42 is arranged in a side of metal wire core 30, and short bristle 44 is arranged in the opposite side of metal wire core 30.More particularly, when analysing and observe observation, the long bristle 42 common fan structures that form around metal wire core 30, this structure is a feature with the angle identical with the angle α shown in Fig. 1 C preferably.
Correspondingly, shown in Fig. 3 A to Fig. 3 C, Fig. 2 A to Fig. 2 B turns round line brush 2 and can complementally engage with the polymer brush 1 of Figure 1A to Fig. 1 C and form cosmetic applicators assembly 3.Specifically, the short bristle 44 of turning round line brush 2 can be assembled in the center cavity 22 of polymer brush 1 with metal wire core 30, and the long bristle 42 of turning round line brush 2 can stretch out fully from the opening of the center cavity 22 of polymer brush 1.The center cavity 22 and 12 that the metal wire core 30 of turning round line brush 2 can pass polymer brush 1 extends and can further stretch out along the whole length of polymer brush 1.Therefore formed cosmetic applicators assembly 3 has polymer pointed tooth 26 in a side, has soft bristle 42 at opposite side, shown in Fig. 3 C.
Be important to note that, only described the above-mentioned particular configuration that elongate polymer core that is used to make polymer brush and the metal wire core of turning round the line brush complementally engage here with illustration purpose.The broad scope that such particular configuration should not be construed as limiting the invention by any way, and any other device of complementally engaging of the conspicuous to those skilled in the art elongate polymer core that is used to make polymer brush and the metal wire core of turning round the line brush or arrange and also be easy to contain by the present invention.
The polymer pointed tooth of polymer brush can be formed by same polymeric material or different polymeric material.In specific implementations of the present invention, the polymer pointed tooth that all of polymer brush are stretched out is made of the second softer polymeric material.In alternative embodiment of the present invention, the polymer pointed tooth that some of polymer brush are stretched out is made of the second softer polymeric material, and other pointed tooths can be made of the first harder polymeric material of the elongate polymer core that is used to form polymer brush.In an alternative embodiment more of the present invention, the polymer pointed tooth that some stretch out even can constitute by the trimerization material different with first and second polymeric materials.These different polymer pointed tooths with heterogeneity can randomly or become orderly pattern ground relative to each other to arrange with any structure.For example, polymer pointed tooth with identical component can be arranged to keep straight on one or more of the longitudinal axis almost parallel of the elongate polymer core of polymer brush, perhaps is arranged to one or more spiral of reeling around the longitudinal axis of elongate polymer core.Notice that terminology used here " approximate vertical " or " almost parallel " are meant and depart from perpendicular or parallel direction less than 10 degree.
Polymer brush of the present invention can have the pointed tooth of any size, shape and the spacing that are suitable for its desired function, and described function is for example for using, put in order and/or separate people's hair or eyelashes.Preferably but not necessarily, the pointed tooth of polymer brush of the present invention has the average height in from about 0.1mm to about 10mm scope, more preferably in from about 0.5mm to about 7mm scope, most preferably from about 0.8mm to about 5mm.Preferably in from about 0.1mm to about 2mm scope, more preferably 0.2mm is to about 1.5mm scope, most preferably in from about 0.3mm to about 0.9mm scope for the averga cross section diameter of polymer pointed tooth.Shown in Figure 1A to Fig. 3 C, polymer brush preferably has the cylindric pointed tooth of band tapered end.Alternatively, as shown in Figure 5, polymer brush can have spike polymer pointed tooth 26 '.For an example again, as shown in Figure 6, polymer brush of the present invention can have fin shape polymer pointed tooth 26 ".Notice that the polymer pointed tooth of polymer brush can have identical size and/or shape, perhaps has different sizes and/or shape.These pointed tooths can separate or arrange with any suitable method.For example, these pointed tooths can be arranged to the craspedodrome (as shown in above-mentioned accompanying drawing) with the longitudinal axis almost parallel of polymer brush, perhaps be arranged to center line and polymer brush the longitudinal axis almost parallel word capable, it is capable perhaps to be arranged to the spiral of reeling around the longitudinal axis of polymer brush.Preferably but not necessarily, the polymer pointed tooth can be approximately perpendicular to the layout outwardly of the elongate polymer core of polymer brush, as shown in above-mentioned figure.Alternatively, pointed tooth can be from the surface deflection of elongate polymer core or any angle in being tilted in from about 5 degree to about 85 degree scopes.For example, flexible or the bending with the pointed tooth of delegation, make with the top of the adjacent pointed tooth in the delegation remotely crooked mutually with respect to the center line of this row, as U.S. Patent No. 6,581,610 is described, is incorporated into this with its content is complete from every side by reference, and shown in Fig. 7 A and Fig. 7 B.Specifically, can be remotely crooked mutually with pointed tooth 126A in the delegation 124 and 126B with respect to the center line (shown in dotted line) of this row 124.
Above-mentioned cosmetic applicators assembly can further comprise one or more optional feature, for example cap 54 and the rod 52 that extends from cap 54, as shown in Figure 4.Rod 52 can comprise and is suitable for the handle portion 10 of polymer brush 1 and turns round recess or the projection that the metal wire core 30 of line brush 2 complementally engages.Cap 54 be suitable for carrying liquid or semiliquid cosmetics for example the neck 62 of the cosmetics containers 60 of mascara complementally engage.Preferably but not necessarily, cap 54 comprises the internal thread (not shown), and the neck 62 of container 60 comprises the external screw thread 64 with the internal thread complementation of cap 54, makes cap 54 to be screwed on the container 60 with sealing means.Note, can easily use mechanical system or binding agent based other fixtures or mechanism, be used for fixing the neck 62 of cap 54 and container 60, their are engaged.The neck 62 of container 60 also can comprise one or more inner wipe configuration (not shown), with cosmetic applicators assembly 3 when container 60 removes, from the unnecessary cosmetics of this cosmetic applicators assembly removal.
As previously discussed, polymer brush of the present invention can easily be formed by the double injection moulding process, wherein two kinds of different thermoplasticity or thermosetting polymer injection moulding is formed single goods together, polymer brush promptly of the present invention.At first, can make the first polymer fusion with higher stretch modulus, and under high pressure it is expelled in first mould, this first mould preferably comprises two or more solid parts, and these solid parts complementally engage mutually and limit at least the first die cavity within it.This first die cavity can be corresponding to the intended shape of elongate polymer core to be formed.After the cooling period of first polymer cure (completely or partially) that is enough to allow fusion, two or more solid parts of first mould are separated from each other, to expose the elongate polymer core that forms by first polymer that solidifies.The elongate polymer core that will form is so then transferred in second mould, this second mould also comprises mutually and complementally engages to limit two or more solid parts of a plurality of die cavities, these die cavities not only hold the elongate polymer core that has formed, and limit the intended shape of polymer pointed tooth to be formed.Can be under high pressure second polymer of the low stretch modulus of preferred fusion be expelled in second mould.In the cooling of second polymer of fusion and solidify (completely or partially) afterwards, two or more solid parts of second mould are separated from each other, thereby expose molded a plurality of polymer pointed tooths on the elongate polymer core, thereby form polymer brush of the present invention.In particularly preferred embodiment of the present invention, the time interval between first forming step and second forming step is shorter relatively, for example less than 20 minutes, more preferably less than 10 minutes, most preferably less than 2 minutes, make when second forming step begins, remain heat from the surface of the elongate polymer core of first forming step.Like this, when second polymer with fusion was expelled in second mould, it is higher relatively that the surface energy of elongate polymer core keeps, and this allows second polymer easily to be attached to the surface of elongate polymer core.The polymer pointed tooth can be therefore on the surface that is attached to the elongate polymer core under the situation of adhesive.Alternatively, the surface of elongate polymer core can comprise any suitable pattern (for example, recess or groove), with improve between polymer pointed tooth and the elongate polymer core adhere to or attached.
Although abovely described the present invention with reference to the specific embodiment, feature and aspect, yet should recognize that the present invention is not limited, but may extend to other modifications, modification, application and embodiment in application, so all such other modifications, modification, application and embodiments ought to be considered as within the spirit and scope of the present invention.
Claims (20)
1. cosmetic applicators assembly, this cosmetic applicators assembly comprises polymer brush and turns round the line brush, wherein said polymer brush comprises elongate polymer core and a plurality of polymer pointed tooths that stretch out from described elongate polymer core, wherein said elongate polymer core is made of first polymeric material with first stretch modulus, in the wherein said polymer pointed tooth at least some are made of second polymeric material with second stretch modulus, this second stretch modulus is less than described first stretch modulus, the wherein said line brush of turning round comprises metal wire core and a plurality of bristles that stretch out from described metal wire core, and the described elongate polymer core of wherein said polymer brush complementally engages with described at least a portion of turning round the described metal wire core of line brush, to form described cosmetic applicators assembly.
2. cosmetic applicators assembly according to claim 1, wherein said first stretch modulus are in from about 800MPa to the scope of about 3000MPa, and wherein said second stretch modulus is in from about 35MPa to the scope of about 1200MPa.
3. cosmetic applicators assembly according to claim 1, wherein said first polymeric material is selected from the group that is made of following material, described material is: ethylene propylene diene rubber, ethylene-vinyl acetate copolymer, acrylonitrile polymer, polyamide, Merlon, polyester, PETG, polymethyl methacrylate, TPO, polyethylene, polypropylene, polyformaldehyde, polystyrene, polyurethane and acrylonitrile-butadiene-styrene (ABS), and wherein said second polymeric material is selected from the group that is made of following material, and described material is: silicone elastomer, thermoplastic elastomer (TPE), hydrogenated styrene-butadiene-styrene block copolymers, based elastomers, thermoplastic polyester elastomer and TPUE.
4. cosmetic applicators assembly according to claim 1, the described elongate polymer core of wherein said polymer brush comprise and are suitable for one or more projection and/or the recess that complementally engage with described one or more counterpart of turning round the described metal wire core of line brush.
5. cosmetic applicators assembly according to claim 4, the described elongate polymer core of wherein said polymer brush comprises at least one surface groove that extends along its longitudinal axis, and wherein said at least a portion of turning round the described metal wire core of line brush is inserted in the described surface groove of described elongate polymer core.
6. cosmetic applicators assembly according to claim 4, the described elongate polymer core of wherein said polymer brush comprises annular groove, and wherein said at least a portion of turning round the described metal wire core of line brush forms and is suitable for the ring that engages with the described annular groove of described elongate polymer core.
7. cosmetic applicators assembly according to claim 4, the side that the described elongate polymer core of wherein said polymer brush is included in this elongate polymer core has the center cavity of at least one opening, wherein said at least a portion of turning round the described metal wire core of line brush is inserted in the described center cavity, and some described at least one openings through the described center cavity of the described elongate polymer core of described polymer brush in the wherein said described bristle of turning round the line brush stretch out.
8. cosmetic applicators assembly according to claim 1, all polymer pointed tooths of wherein said polymer brush constitute by described second polymeric material.
9. cosmetic applicators assembly according to claim 1, some in the described polymer pointed tooth of wherein said polymer brush are made of described second polymeric material, and wherein other polymer pointed tooths are made of described first polymeric material.
10. cosmetic applicators assembly according to claim 9, wherein the polymer pointed tooth that is made of described first polymeric material is arranged to and the delegation of the described longitudinal axis almost parallel of described elongate polymer core or multirow more.
11. cosmetic applicators assembly according to claim 9, wherein the polymer pointed tooth that is made of described first polymeric material is arranged to one or more spiral around the described longitudinal axis coiling of described elongate polymer core.
12. cosmetic applicators assembly according to claim 1, in the described polymer pointed tooth of wherein said polymer brush some are made of described second polymeric material, and wherein other polymer pointed tooths are made of the trimerization material with the 3rd stretch modulus, and the 3rd stretch modulus is different with described second stretch modulus with described first stretch modulus.
13. cosmetic applicators assembly according to claim 1, some in the described polymer pointed tooth of wherein said polymer brush have the cylindrical shape of band tapered end.
14. cosmetic applicators assembly according to claim 1, some in the described polymer pointed tooth of wherein said polymer brush have the spike shape.
15. cosmetic applicators assembly according to claim 1, some in the described polymer pointed tooth of wherein said polymer brush have the airfoil of band tapered end.
16. cosmetic applicators assembly according to claim 1, the described polymer pointed tooth of wherein said polymer brush is arranged to and the delegation of the described longitudinal axis almost parallel of described elongate polymer core or multirow more, some bendings in the wherein said polymer pointed tooth make with the top of the adjacent pointed tooth in the delegation remotely crooked mutually with respect to this row.
17. cosmetic applicators assembly according to claim 1, this cosmetic applicators assembly also comprise cap and the rod that extends from this cap, wherein this cap is suitable for complementally engaging with the neck of cosmetics containers.
18. polymer cosmetic brush, this polymer cosmetic brush is used for and turns round the line cosmetic brush and be used in combination, described polymer cosmetic brush comprises elongate polymer core with longitudinal axis and a plurality of polymer pointed tooths that stretch out from described elongate polymer core, wherein said elongate polymer core is made of first polymeric material with first stretch modulus, in the wherein said polymer pointed tooth at least some are made of second polymeric material with second stretch modulus, this second stretch modulus is less than described first stretch modulus, and wherein said elongate polymer core also comprises and is suitable for one or more projection and/or the recess that complementally engage with one or more counterpart of turning round the line cosmetic brush.
19. a method of making the cosmetic applicators assembly, this method comprises:
Form polymer brush, this polymer brush comprises elongate polymer core and a plurality of polymer pointed tooths that stretch out from described elongate polymer core, wherein said elongate polymer core is made of first polymeric material with first stretch modulus, in the wherein said polymer pointed tooth at least some are made of second polymeric material with second stretch modulus, this second stretch modulus is less than described first stretch modulus, and wherein said elongate polymer core also comprises and is suitable for one or more projection and/or the recess that complementally engage with one or more counterpart of turning round the line brush;
The line brush is turned round in formation, and this is turned round the line brush and comprises metal wire core and a plurality of bristles that stretch out from described metal wire core; And
The described elongate polymer core of described polymer brush is complementally engaged, to form described cosmetic applicators assembly with described one or more part of turning round the line brush.
20. method according to claim 19, wherein said polymer brush forms by the double injection moulding process.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/115583 | 2008-05-06 | ||
| US12/115,583 US20090276973A1 (en) | 2008-05-06 | 2008-05-06 | Cosmetic Applicator Assembly |
| PCT/US2009/040889 WO2009137259A2 (en) | 2008-05-06 | 2009-04-17 | Cosmetic applicator assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102014691A true CN102014691A (en) | 2011-04-13 |
| CN102014691B CN102014691B (en) | 2014-07-16 |
Family
ID=41265287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980116213.8A Active CN102014691B (en) | 2008-05-06 | 2009-04-17 | Cosmetic applicator assembly |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20090276973A1 (en) |
| EP (1) | EP2276370B1 (en) |
| JP (1) | JP5277311B2 (en) |
| KR (1) | KR20110005302A (en) |
| CN (1) | CN102014691B (en) |
| AU (1) | AU2009244638A1 (en) |
| CA (1) | CA2722569C (en) |
| ES (1) | ES2559869T3 (en) |
| WO (1) | WO2009137259A2 (en) |
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| CN104138126A (en) * | 2013-05-09 | 2014-11-12 | Hct集团控股有限公司 | Combination cosmetic applicator |
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| CN109219366A (en) * | 2016-06-07 | 2019-01-15 | Elc 管理有限责任公司 | Cosmetic applicator with molding a brush and a non-molding brush |
| CN109475214A (en) * | 2016-06-07 | 2019-03-15 | Elc 管理有限责任公司 | Cosmetic applicator with molding brush element and comb section point |
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| CN103491824A (en) * | 2011-03-15 | 2014-01-01 | 香奈儿香水美妆品公司 | Applicator for applying a product to the eyelashes, comprising supports fixed to a wand |
| US9420874B2 (en) | 2011-03-15 | 2016-08-23 | Chanel Parfums Beaute | Applicator for applying a composition to the eyelashes and including supports fastened to a stem |
| CN104138126A (en) * | 2013-05-09 | 2014-11-12 | Hct集团控股有限公司 | Combination cosmetic applicator |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2009137259A2 (en) | 2009-11-12 |
| EP2276370A4 (en) | 2014-03-12 |
| CA2722569A1 (en) | 2009-11-12 |
| CN102014691B (en) | 2014-07-16 |
| AU2009244638A1 (en) | 2009-11-12 |
| EP2276370A2 (en) | 2011-01-26 |
| US20090276973A1 (en) | 2009-11-12 |
| JP5277311B2 (en) | 2013-08-28 |
| JP2011519670A (en) | 2011-07-14 |
| ES2559869T3 (en) | 2016-02-16 |
| CA2722569C (en) | 2014-06-17 |
| KR20110005302A (en) | 2011-01-17 |
| EP2276370B1 (en) | 2015-10-28 |
| WO2009137259A3 (en) | 2010-03-04 |
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