CN111263600B

CN111263600B - Cosmetic article

Info

Publication number: CN111263600B
Application number: CN201780096108.7A
Authority: CN
Inventors: 马克·拉梅
Original assignee: LOreal SA
Current assignee: LOreal SA
Priority date: 2017-10-20
Filing date: 2017-10-20
Publication date: 2023-06-30
Anticipated expiration: 2037-10-20
Also published as: KR20200051775A; WO2019077760A1; CN111263600A; JP2021500132A; KR102458122B1; JP2022081547A; JP7118146B2

Abstract

The invention relates to a cosmetic article having a reservoir (10) comprising a 3D woven spacer fabric having a first fabric layer (11) and a second fabric layer (12) connected to each other. The first fabric layer (11) is at least permeable to the cosmetic composition (C). The first fabric layer and the second fabric layer are capable of retaining at least some of the composition between each other, particularly when the cosmetic article is in use.

Description

Cosmetic article

Technical Field

The present invention relates to the field of cosmetics and more particularly, but not exclusively, to a cosmetic article for making up or caring for human keratinous materials, in particular the skin.

Background

It is known to impregnate porous structures with cosmetic compositions, with which a finger or applicator can be brought into contact in order to load the product into the porous structure.

Many patent application publications relate to cosmetic articles of this type.

WO 2017/016608 A1 discloses an article comprising a mat of fibres composed of a non-woven fabric, the mat being covered on one face with a screen.

A problem with such articles is the need to find a compromise between various parameters such as the ability to store a large amount of the composition and the ability to gradually and as completely as possible restore the composition during use, the need to benefit from shape memory, and the ability to accommodate compositions with all small overall dimensions that vary in viscosity, and manufacturing costs that meet the requirements of mass marketing.

Disclosure of Invention

The present invention aims to further improve cosmetic articles having a reservoir containing a cosmetic composition.

According to a first aspect, the subject of the present invention is a cosmetic article having a reservoir comprising a 3D woven fabric at least partially permeable to a cosmetic composition, said reservoir having a thickness and being capable of retaining at least some of said composition within said thickness.

The reservoir according to the invention has free space for the composition due to the fact that the fabric is three-dimensional. The ability of the reservoir to store the composition, if desired, allows the reservoir to be thinner than some known reservoirs, with equal amounts of the composition contained therein.

The 3D woven fabric may have a porous structure. In a variant, the fabric is woven with some free spaces left between the yarns so that the composition can fill these spaces.

Preferably, the 3D woven fabric comprises a first fabric layer and a second fabric layer spaced apart from each other. The first and second fabric layers are interconnected together by a connecting portion, preferably integrally woven with at least one of the first and second fabric layers. The connecting portion may be a woven portion and/or a separate yarn.

The 3D woven fabric may be externally lined with a third layer of permeable composition. The third layer is textured.

The cosmetic composition may be selected from foundations, rouges, eye shadows, sunscreens. The reservoir may already contain the cosmetic composition at the time of first use.

The compositions which can be used according to the invention are foundations, in particular liquid foundations.

Preferably, the foundation according to the invention is selected from the group consisting of gels, creams and emulsions. Preferably, the foundation is an emulsion, such as an oil-in-water emulsion, a water-in-oil emulsion, and a water-in-oil-in-water emulsion.

Suitable foundations according to the present invention may contain one or more compounds known to those skilled in the art and commonly found in foundations. In particular, foundations according to the present invention may contain solvents (particularly volatile solvents that evaporate upon contact with skin or other keratinous tissue), waxes and/or resins, pigments, film-forming polymers, fillers, actives, and the like.

Preferably, the dry matter content of a suitable foundation according to the invention is from 0.1% to 99.0% by weight, better still from 25.0% to 75.0% by weight, relative to the total weight of the composition.

It will be apparent that the person skilled in the art will use his general knowledge to adjust the nature of the compounds and the dry matter content of the composition, thereby preparing a composition that can be used in the context of the present invention.

Another subject of the invention is such an article having a cosmetic composition at least partially housed within the thickness of the 3D woven fabric, preferably mostly or entirely housed within said thickness.

[3D woven fabrics ]

The 2D woven fabric is produced by a conventional 2D weaving process in which two sets of orthogonal threads (warp and weft) are interwoven on a 2D weaving device.

Structures of 3D woven porous fabrics, such as those used to make reservoirs, are known in particular in the industry for reinforcing composite materials. Examples of such multilayer fabrics are given in US 3 102 559, US 3 207 185, US 5 673 726, US 3 943 980 and US 200901797100 A1. The 3D woven fabric according to the present invention may be manufactured according to the teachings of these applications or patents.

The 3D woven fabric is not a knitted fabric and may be obtained by interlacing three sets of orthogonal yarns on a specially designed 3D loom.

The 3D woven fabric may be a multi-layer fabric and preferably includes a first fabric layer (which may be an upper layer) and a second fabric layer (which may be a lower layer) connected together by a connecting portion. Preferably, the connecting portions may form woven walls (also referred to as ribs) or posts, or be limited to individual yarns or yarn bundles. The woven wall may form an internal porous structure within the 3D woven fabric. The porous structure may include channels having various shapes along the cross-section, such as polygonal or non-polygonal (e.g., square, rectangular, or hexagonal). The reservoir may include more than one row of grids within its thickness.

The first fabric layer may be flat or profiled. An example of a profiled first fabric layer is obtained when viewed in cross section with cavities forming a honeycomb structure.

Both the first fabric layer and the second fabric layer may be planar. The first and second fabric layers may extend in parallel planes. In some embodiments, the connecting portion extends orthogonal to the first and second fabric layers. The connecting portion may also extend at least partially at an angle relative to the first and second fabric layers.

The 3D woven fabric may not include any intermediate layer between the uppermost layer and the lowermost layer. Alternatively, the 3D woven fabric includes at least one intermediate layer spaced apart from the uppermost layer and the lowermost layer. The intermediate layer may be connected to the adjacent layer by connecting portions, which may be constituted by yarns extending along straight lines and/or at an angle or along loops.

The 3D woven fabric may exhibit a constant height or a variable height. The height may be maximum or minimum in the centre of the reservoir, as seen from above.

The 3D woven fabric may have connecting yarns that are angled to the layer to which it is connected to better resist shearing. These inclined connections may be combined with straight connections. The fabric connecting portion may be comprised of yarns extending along loops between the first fabric layer and the second fabric layer.

The first and second fabric layers may form a woven structure together with the connecting portion on the same device. The connecting portion may be integrally woven with the first fabric layer and the second fabric layer.

The 3D woven fabric defines an interior cavity between the first fabric layer and the second fabric layer in which the composition may accumulate. These cavities may be grids as described above or spaces present between the yarns, as determined by the density at which they are woven.

At least one of the first fabric layer and the second fabric layer is permeable to the cosmetic composition. Preferably, both the first fabric layer and the second fabric layer are permeable to the cosmetic composition.

The permeability of the first fabric layer and/or the second fabric layer to the composition may be obtained by reducing the mesh density and/or by cutting or providing openings through the fabric layers.

By adjusting the structure, length and number of the connecting portions and the material of the yarns, the elasticity of the 3D woven fabric can be controlled relatively precisely, and thus the deformation of the 3D woven fabric under load can be controlled when collecting the product. Thus, the 3D woven fabric can be easily adapted to the properties of the composition and the keratinous material to be treated. The connecting portion can be elastically deformed and ensure good performance of returning to the original shape once collection is completed. The connecting portion may have at least one portion oriented perpendicular to the first and second fabric layers. In one exemplary embodiment of the present invention, the connection portion has an arcuate shape. This may provide greater compressibility of the reservoir and reduce the force applied to move the first and second fabric layers toward one another.

The present invention also allows for a wide selection of materials, textures and porosities for the first fabric layer. Thus, the first fabric layer is easily adapted to the nature of the composition and the desired feel. For example, for very fluid compositions, a fine mesh woven fabric may be used as the first fabric layer that provides a strong resistance to the passage of the composition. For more viscous compositions, larger mesh woven fabrics may be used, thereby making the product easier to pass.

The invention also allows for maintaining, if desired, compositions having a viscosity greater than that normally allowed by foam reservoirs, for example at 25 ℃ and atmospheric pressure, at a shear rate of 200s ^-1 A composition having a viscosity of greater than or equal to 4.5pa.s and less than or equal to 100pa.s (measurement was performed after 10 minutes of spindle rotation using a Brookfield Rheomat RM viscometer equipped with a spindle No. 4 in order to stabilize the rotation speed and viscosity). The viscosity can of course be less than 4.5Pa.s, for example at a shear rate of 200s ^-1 Viscosity at 1mpa.s (or 1 CPo) to 4.5pa.s (measurement was performed after 10 minutes of spindle rotation using a Brookfield Rheomat RM viscometer equipped with spindle No. 4 in order to stabilize rotation speed and viscosity).

The composition may be liquid at 25 ℃, i.e. flow under its own weight.

The first fabric layer is substantially continuous under visual inspection. The term "under visual inspection" is understood to mean observation at 15cm with an eye of normal acuity. In a variant, the first fabric layer appears porous under visual inspection.

Preferably, the first fabric layer is less open than the second fabric layer, especially when the first fabric layer defines a surface upon which the user gathers the product. The second fabric layer may face the bottom of the housing containing the cosmetic article and thus is not used to collect the composition. The fact that the second fabric layer is open may make it easier to initially load the composition into the reservoir when the loading is performed by pushing the composition-free article (first fabric layer up) into the composition-filled housing.

The presence of openings in the second fabric layer may also reduce the number of connecting portions joining the first and second fabric layers, as the connecting portions start from non-open areas of the second fabric layer and thus allow for an increased free volume that can accommodate the composition.

The reservoir may contain greater than 50% by weight of the composition at least a given time during use of the cosmetic article. Compared to the fibre mat disclosed in application WO 2017/016608 A1, the required number of openings can be easily created in order to increase the capacity of the reservoir.

At the first use, all of the compositions may be contained in a reservoir. In other words, the user is provided with a cosmetic article having a reservoir containing all the composition to be applied. In a variant, the user loads the reservoir with the composition by pushing it into the housing initially containing the composition at the time of first use. When the reservoir reaches the bottom of the housing, most or all of the composition is contained in the thickness of the reservoir.

Typically, the maximum size of the opening may be between 1mm and 15 mm. The cross-sectional area of each opening can be 1mm ² To 100mm ² Between them. Preferably, all openings have the same shape.

At least one of the fabric layers has an opening, and preferably the second fabric layer has an opening.

The maximum size of the opening may be between 1mm and 15 mm. The cross-sectional area of the opening may be 1mm ² To 100mm ² Between them.

The thickness of the reservoir measured between the opposite faces of the first and second fabric layers may be between 1mm and 25mm, more preferably between 5mm and 15 mm. For cosmetic application, a thickness of between 1mm and 15mm may be preferred, and for care application, a thickness of between 5mm and 25mm may be preferred.

The reservoir may have a height of 1cm in its top view ² To 80cm ² A surface therebetween.

Preferably, the reservoir is made entirely of synthetic material, preferably thermoplastic material. For example, the reservoir is made of polyester, polyamide, polyolefin, and other plastics. The yarns used to make the 3D woven fabric may be multifilament yarns, monofilament yarns and/or spun yarns. The 3D woven fabric may be made by weaving yarn.

The contour of the reservoir may be circular, but other shapes are also possible, in particular polygonal. Shaping can be achieved by cutting, in particular using a punch or laser cutting, where appropriate.

In one exemplary embodiment of the invention, the first fabric layer is externally lined with a third layer of permeable composition. In particular, when the first fabric layer has perforations of non-negligible size, the presence of the third layer is very advantageous, since it improves the distribution of the composition on the external surface of the reservoir defined by it.

The third layer may be textured or may be non-textured. The third layer may be selected from woven and non-woven materials.

According to the invention, it is preferred that the cosmetic composition present in the cosmetic article is mainly contained between the first fabric layer and the second fabric layer.

The expression "mainly housed between the first and second fabric layers" means that 70% to 100% by weight, advantageously 80% to 100% by weight, more advantageously 90% to 100% by weight of the cosmetic composition is housed between the first and second fabric layers, relative to the total weight thereof in the cosmetic article.

Preferably, the cosmetic article according to the invention does not have an intermediate absorbent structure, such as in particular a foam, attached between the first and second fabric layers. More preferably, the cosmetic article according to the invention has a single first fabric layer and a single second fabric layer. Advantageously, the cosmetic article according to the invention does not have any foam layer (such as PU, SBR or for example polyolefin foam).

According to a further aspect of the invention, a further subject of the invention is a cosmetic case, in particular for cosmetics, having a body in which the reservoir according to the invention is held, and a cover which is movable relative to the body, for example hinged thereto.

The reservoir may be completely filled with the composition when the user is first using the cartridge. In a variant, the composition is contained in a body and the reservoirs are packaged individually, which may or may not be within the cartridge. The membrane seal may close the housing containing the composition. When first used, the user may remove the membrane seal and install the reservoir in the housing. By pressing the reservoir to the bottom of the housing, the user can ensure that the reservoir is filled with product.

Another subject of the invention is an assembly comprising a cosmetic article according to the invention and a cartridge, refill or pouch.

For example, the case has a body holding the cosmetic article and a cover for preventing access to the cosmetic article when not in use. The lid may close the box in a sealed or unsealed manner. For example, the cosmetic article is carried by a tray, and the body of the case is configured to hold the tray. Cosmetic articles with trays may form refills, which may be packaged in boxes or pouches, for example.

For example, the body of the cartridge is made of a thermoplastic material.

The lid of the case may be screwed or hinged to the body. A snap or magnetic locking system may be provided to hold the cartridge in the closed configuration.

The cartridge may have a mirror and a housing for holding the cosmetic applicator if desired.

The cover may have a rectangular, oval, circular or other contour in top view.

The cosmetic article may be held in the cartridge by any means, for example by a retaining ring attached to the body of the cartridge.

The box may have an outer surface that has been decorated in various ways, for example, in metallisation, lacquering, screen printing or in some other way.

The refill may contain the article in such a way that it is all that is necessary to mount the refill on the cartridge so that the cosmetic article may be used by a user to collect the composition therewith.

The refill may have an article retention tray made of plastic. The tray may have a height that is greater than the height of the cosmetic article, or in a variation, the tray may have a height that is less than the height of the cosmetic article.

When installed, the tray may define a bottom of the case on a side opposite the cover.

The cosmetic article may also be provided directly in the body of the cartridge without having to be carried by a tray attached to the body of the cartridge.

The disc may be secured to the main body of the cartridge by snap, friction or tightening.

When the cosmetic article is contained in the pouch, the cosmetic article may be disposed in the tray and form a refill. In a variant, the pouch contains only the cosmetic article and, if appropriate, the composition. The pouch may be made of a thermoplastic material, optionally metallized. The pouch may have been closed by heat sealing. The pouch may have a notch that forms the starting point for tearing, making it easier to open the pouch.

The pouch may comprise a polyolefin.

The pouch may be hermetically sealed to avoid any evaporation of the volatile components of the composition.

According to another aspect of the present invention, another subject of the invention is a cosmetic method comprising the steps of: the composition is collected on a reservoir of the cosmetic article according to the invention as defined above, and is applied to the human keratinous material, in particular to the skin, possibly by means of an applicator. During the collection process, the user may deform the connecting portion to move the first and second fabric layers toward each other.

Drawings

Other features and advantages of the present invention will become apparent from reading the following detailed description of non-limiting exemplary embodiments of the invention, and from reviewing the following drawings, wherein:

figure 1 is a cross-section of an example of a cartridge according to the invention,

figure 2 shows the reservoir in isolation,

figure 3 is a bottom view of a variant of the reservoir,

fig. 4A to 4C show a variant embodiment of the reservoir and the connecting part, and

fig. 5 shows a variant embodiment of the reservoir with the addition of an outer layer.

Detailed Description

As shown in fig. 1, a cosmetic article 1 according to the present invention includes a case 2 having a main body 3.

The cartridge 2 also has a cover 5, the cover 5 being for example hinged to the body 3 or fixed in some other way (for example screwed to the body 3).

The cartridge 2 houses an applicator holder 6, the applicator holder 6 being hinged, for example, about the same rotation axis as the cap 5 on the body 3 of the cartridge.

For example, the applicator 7 is of the puff type, for example constituted by a foam sponge.

In the example shown, the disc 4 is housed inside a housing 8 of the main body 3 of the cartridge. The tray 4 accommodates a reservoir 10 made in accordance with the present invention.

The cartridge 2 has an annular lip 9, which annular lip 9 reaches above the tray 4, which lip 9 has an edge folded towards the bottom of the tray 4 in order to hold the reservoir 10 in place.

The reservoir 10 is made of a 3D woven fabric having a first woven fabric layer 11 and a second woven fabric layer 12, said first woven fabric layer 11 and said second woven fabric layer 12 being joined together by a set of connecting portions 13, as shown in fig. 1 and 2. Such fabrics may be manufactured by belgium company 3 DWEAVING.

The height e of the connecting portion 13 is, for example, between 1mm and 25mm, more preferably between 10mm and 15 mm.

According to the invention, the reservoir 10 contains a composition C which is mainly contained inside the reservoir 10, in particular entirely contained therein.

The first fabric layer 11 may be a fine mesh layer such that it constitutes a filter which tends to slow the discharge of the composition C from the reservoir 10 when the user presses the reservoir 10 by their finger or applicator 7 in order to collect the product.

The second fabric layer 12 may have the same structure.

In a variant, as shown in fig. 3, the second fabric layer 12 has a less dense structure, which has openings 14 that promote the passage of the composition C, in particular when the reservoir 10 is mounted in the tray 4 containing the composition C. During this operation, the reservoir 10 is pressed in the direction of the bottom of the disc. The presence of the openings 14 allows the composition to penetrate more easily into the free space between the first fabric layer 11 and the second fabric layer 12. Preferably, the openings 14 open into the mesh 16.

The connecting portion 13 may impart various orientations within the reservoir 10. For example, as shown in fig. 4A, the connection portion 13 may extend obliquely with respect to the first fabric layer 11 and the second fabric layer 12.

The connecting portions 13 may form a grid 16 having an alternating V-shaped cross section, as shown in fig. 4A.

The connection portions 13 may be obliquely oriented parallel to each other as shown in fig. 4B.

The reservoir may not contain a middle planar fabric layer between the first fabric layer and the second fabric layer, as shown in fig. 2.

In a variant, as shown in fig. 4C, the reservoir 10 may comprise at least one intermediate woven fabric layer between the uppermost first fabric layer 11 and the lowermost second fabric layer 12.

The intermediate woven fabric layer 18 may be planar and parallel to the first and second woven fabric layers.

The connecting portion 13 may extend between the first fabric layer 11 and the second fabric layer 12. As shown, each of these connection portions 13 may include a first connection sub-portion 13a connecting the first fabric layer to the intermediate fabric layer 18, and a second connection sub-portion 13b connecting the intermediate fabric layer 18 to the second fabric layer 12.

Each connector sub-portion 13a or 13b may be formed of a yarn bundle forming a loop or part of a loop when the fabric is viewed in cross-section.

The openings 14 may be given very different shapes and sizes.

The reservoir 10 may be formed by cutting, for example by means of a stamping element or a laser.

The present invention is not limited to the particular materials used to produce the reservoir 10.

For example, the reservoir may be produced using polyamide threads, polyolefin threads, in particular polypropylene threads, or polyester threads.

A mixture of wires made of different materials may be used.

The first fabric layer 11 may be subjected to various treatments (e.g., abrasion treatments) to make the surface softer. The first fabric layer may include bristles formed by cutting some yarns used to manufacture the 3D woven fabric.

As shown in fig. 5, at least one upper layer 19 of permeable composition C (e.g., a textile or nonwoven) may also be attached to the first fabric layer 11. In this case, it may be advantageous to manufacture the first fabric layer 11 with openings of a size comparable to those openings 14 in the second fabric layer 12 of the variant of fig. 3, for example, in order to make it easier for the product to reach the upper layer 19.

For example, the upper layer is bonded to the first fabric layer 11 or secured in some other manner (e.g., by welding or stitching).

The upper layer 19 may be textured depending on its desired touch. For example, the upper layer 19 is embossed.

In one variation, a plurality of 3D woven spacer fabrics are stacked on top of each other. The 3D woven spacer fabric itself may also be folded to form the reservoir.

The invention is not limited to the examples already described above.

In particular, the reservoir may be mounted in a cartridge made in some other way.

Claims

1. A cosmetic article having a reservoir (10) comprising a 3D woven fabric at least partially permeable to a cosmetic composition (C), said reservoir having a thickness and being capable of retaining at least some of said composition within said thickness, said 3D woven fabric comprising a first fabric layer (11) and a second fabric layer (12) spaced apart from each other,

the first fabric layer (11) and the second fabric layer (12) are connected to each other by a connecting portion (13) integrally woven with at least one of the first fabric layer and the second fabric layer,

the first fabric layer (11), the second fabric layer (12) and the connecting portion (13) are manufactured by a 3D weaving process.

2. The cosmetic article of claim 1, the 3D woven fabric having a porous structure.

3. Cosmetic article according to claim 1, the connecting portion (13) being a woven portion.

4. Cosmetic article according to claim 1, the connecting portion (13) being a separate yarn.

5. Cosmetic article according to claim 1, wherein the first fabric layer (11) is substantially continuous, visible to the naked eye.

6. The cosmetic article of claim 1, wherein at least one fabric layer has openings.

7. The cosmetic article according to claim 6, wherein the maximum dimension (L) of the opening is between 1mm and 15 mm.

8. The cosmetic article according to claim 6, wherein the cross-sectional area of the opening (14) is at 1mm ² Up to 100mm ² Between them.

9. Cosmetic article according to claim 1, wherein the thickness (e) of the reservoir (10), measured between the opposite faces of the first fabric layer (11) and the second fabric layer (12), is comprised between 1mm and 25 mm.

10. Cosmetic article according to claim 1, wherein the 3D woven structure is externally lined with an upper layer (19) permeable to the composition.

11. Cosmetic article according to claim 10, wherein the upper layer (19) is textured.

12. Cosmetic article according to claim 1, wherein the reservoir (10) has a footprint of 1cm in its top view ² To 80cm ² A surface therebetween.

13. Cosmetic article according to claim 1, wherein the profile of the reservoir (10) is circular.

14. The cosmetic article according to claim 1, wherein the cosmetic composition is selected from foundations, rouges, eye shadows, sunscreens.

15. The cosmetic article of claim 1, wherein the reservoir contains the cosmetic composition.

16. An assembly comprising the cosmetic article of claim 1 and a cartridge, refill or pouch.

17. Cosmetic case having a body (3) in which a reservoir (10) of a cosmetic article as defined in claim 1 is held, and a cover movable with respect to the body.

18. Cosmetic case according to claim 17, wherein the reservoir (10) is held in a disc (4) fastened to the body (3).

19. A cosmetic method comprising: collecting the composition on a reservoir of the cosmetic article of claim 1, and applying the composition to human keratinous material.