EP0614630A1 - Dispositif pour l'application de compositions cosmétiques - Google Patents

Dispositif pour l'application de compositions cosmétiques Download PDF

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Publication number
EP0614630A1
EP0614630A1 EP94101942A EP94101942A EP0614630A1 EP 0614630 A1 EP0614630 A1 EP 0614630A1 EP 94101942 A EP94101942 A EP 94101942A EP 94101942 A EP94101942 A EP 94101942A EP 0614630 A1 EP0614630 A1 EP 0614630A1
Authority
EP
European Patent Office
Prior art keywords
application
application element
hollow shaft
outlet opening
stiffening part
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.)
Withdrawn
Application number
EP94101942A
Other languages
German (de)
English (en)
Inventor
Axel Jankewitz
Thomas Müller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Faber Castell AG
AW Faber Castell Unternehmensverwaltung GmbH and Co
Original Assignee
AW Faber Castell GmbH and Co
AW Faber Castell Unternehmensverwaltung GmbH and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AW Faber Castell GmbH and Co, AW Faber Castell Unternehmensverwaltung GmbH and Co filed Critical AW Faber Castell GmbH and Co
Publication of EP0614630A1 publication Critical patent/EP0614630A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/26—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball
    • A45D40/262—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like

Definitions

  • the invention relates to a device for applying, in particular, cosmetic preparations such as, for example, color creams or pastes.
  • the cosmetic mass which in principle is a highly viscous liquid, is arranged in a container and can be supplied from there to an application element under pressure.
  • DE-OS 40 41 058 A1 describes a device for applying liquid, in which the application element is a thimble-shaped hollow part made of an elastic porous material. The interior of this hollow part is spatially connected to a storage container. The liquid from the storage container reaches the application element, in which, for example, the device with the application element is held down. The liquid wets the thimble-shaped application element and penetrates through its pores to the outside.
  • U.S. Patent 2,330,053 A similar device is described in U.S. Patent 2,330,053.
  • the application element is designed as an approximately pen-shaped solid body made of porous material.
  • the application element is connected via a channel to a storage container for a liquid.
  • a valve in a feed channel By pressing the application element onto a surface, the connection to the storage container is established by a valve in a feed channel.
  • the liquid then wets the application element from the inside, penetrates through its pores to the outside and can be transferred to a surface.
  • the known devices have the disadvantage that they are not, or only to a very limited extent, suitable for liquids with a higher viscosity, for example cosmetic preparations.
  • the pores of the application element are very easily clogged. This is partly prevented by the use of so-called thixotropic liquids.
  • thixotropic liquids These are liquids that when shear stresses or shear forces occur, change from a gel state to a so state. Such shear forces occur, for example, when the application element is moved back and forth on a surface for distributing the liquid and is thereby mechanically stressed. This reduces the viscosity of the liquid and makes it easier for the liquid to pass through the pores of the application element.
  • Another disadvantage of the known devices is that the application elements act like screens or filters.
  • the application elements act like screens or filters.
  • many preparations in particular those for the cosmetic sector, there are particles whose diameter exceeds the passage width of the pores or at least comes very close to it. There is therefore a risk that these particles will be retained in the interior of the application element and thereby removed from the liquid. This negative effect is supported by the tendency of some particles to agglomerate.
  • Particles used in the cosmetics sector are, for example, color pigments, metal powder particles which produce a glitter effect or mica particles which produce a mother-of-pearl effect.
  • the filter effect of the application element of the known devices can lead to a complete blockage of the pores of the application element with a longer period of use, as a result of which the device becomes unusable.
  • the application element has at least one through opening serving as an outlet opening for the cosmetic preparation. This allows the preparation (hereinafter referred to as make-up compound) to reach the outside of the application element serving as the application surface without hindrance.
  • the application element can consist of open-pore foam material. Then the make-up mass can escape from the inside through the outlet opening as well as through the pores. The latter will be the case, for example, if the application element is pressed onto the skin and the outlet opening is closed in the process.
  • a further advantage of the device according to the invention is that the pressure required to supply the make-up material from the storage container to the application element is lower than in the case of devices according to the prior art. In the latter case, relatively highly viscous material has to be pressed through the very narrow pores of the application element.
  • a flat stiffening part is present in the interior of the application element. It is used to give the application element a certain stiffness. When applying a preparation to the skin, for example, it is necessary to apply pressure in order to be able to apply and distribute the makeup.
  • the material of the application element itself can have only a low inherent stiffness. This is advantageous in that the material of the application element can then be made from a very soft and elastic and thus skin-friendly material.
  • the shape of the application element can be determined and stabilized by the stiffening part.
  • the flexible design of the stiffening part according to claim 3 advantageously improves the handling of the device according to the invention. Due to the flexibility of the stiffening element, the application element easily adapts to changing surface shapes, such as the different parts of the face.
  • the measure of claim 4 ensures an always unimpeded supply of the make-up mass from the reservoir to the outlet openings in the application element.
  • it can hardly be avoided that the application element is pressed against the stiffening part and adheres there. If the device is then not used for a long time, the make-up mass present between the application and stiffening part dries out and causes the two parts to adhere more or less firmly. If the device is then used again, the make-up composition can nevertheless be supplied to the outlet openings of the application element with practically no resistance, since the slot in the stiffening part acts more or less like a channel bed for the preparation.
  • Claim 5 mentions a particularly advantageous embodiment of an application element.
  • the design of the device according to the invention according to claim 7 is particularly advantageous for use as an eyeshadow pencil.
  • the application surfaces can easily be brought into a position parallel to the surface of the eyelid. This simplifies the application and ensures an exact application of the make-up compound, especially when the application surfaces and outlet openings are arranged as specified in claim 8.
  • the advantage of the teaching of claim 9 is that, for example, differently shaped application elements can be used for different applications.
  • the measure mentioned in claim 11 is an advantageous embodiment for loading the application element.
  • Such feeding devices are known per se, for example, from piston fountain pens.
  • the cosmetic stick according to the invention comprises a hollow shaft 1 and an applicator head 2.
  • the end 4 of the hollow shaft 1 facing the applicator head 2 has an opening 5 (FIG. 2) in which the applicator head 2 lies and fastens with its end 6 facing the hollow shaft 1 is.
  • At the other end 7 of the hollow shaft 1 there is an actuating screw 8 for a feed piston 33 (FIG. 5) arranged inside the hollow shaft 1.
  • the applicator head 2 will now be described in more detail with reference to FIGS. 2 to 4. It is composed of a sleeve 9, a core 10 and an application element 3.
  • the sleeve 9 is inserted with its end 6 facing the hollow shaft 1 into the opening 5 of the hollow shaft 1.
  • the outer circumference 13 of the end 6 has an annular projection 11, the diameter of which is larger than the inner diameter of the hollow shaft 1, as a result of which the applicator head 2 is held in the hollow shaft 1 in the manner of a clamp fit.
  • the immersion depth of the sleeve 9 in the hollow shaft 1 is limited by an annular shoulder 12 on the outer circumference 13 of the sleeve 9.
  • the core 10 can be divided into three sections. The section shown at the bottom in FIGS.
  • a cylindrical part 14 facing the hollow shaft 1 is designed as a cylindrical part 14. This is followed by a central section 15, which is also cylindrical, but has a smaller diameter than the part 14.
  • a stiffening part 16 adjoins the middle section 15 as the upper section.
  • the stiffening part 16 is a tongue-shaped flat structure, the width of which corresponds to the diameter of the cylindrical central section 15.
  • the part 14, the middle section 15 and the stiffening part 16 have a common central longitudinal axis 17.
  • the core 10 is inserted with its cylindrical part 14 into the sleeve 9 such that that the tongue-shaped stiffening part 16 points away from the end 6 of the sleeve 9 inserted into the opening 5 of the hollow shaft 1.
  • the cylindrical part 14 lies in a form-fitting manner in the sleeve 9 and is fastened there by means of a clamp fit and optionally by means of an adhesive bond.
  • the cylindrical part 14 and the central section 15 are penetrated by a central feed channel 18.
  • the feed channel 18 narrows during the transition from part 14 into the central section 15.
  • the stiffening part 17 has a slot 19 which extends from the transition point 20 between the central section 15 and the stiffening part 16 in the direction of the central longitudinal axis 17 and at a distance of 21 the upper end 22 of the stiffening part 16 ends blind.
  • the width of the slot 19 corresponds to the width 31 of the feed channel 18 in the middle section 15.
  • the feed channel 18 in the middle section 15 and the slot 19 are arranged in line, so that the feed channel 18 merges into the slot 19 at the transition point 20.
  • the wall 23 of the sleeve 9 adjoining the annular shoulder 12 upwards is inclined inwards.
  • the annular space 24 arranged between the wall 23 and the central section 15 therefore tapers in the direction of the stiffening part.
  • the approximately bag-shaped application element 2, which is designed as a hollow part, is put over the stiffening part 16.
  • the area 30 of the application element 2 facing the hollow shaft 1 is arranged in the annular space 24 delimited by the wall 23 and the central section 15 and held there by a clamp fit and, if appropriate, additionally by gluing.
  • the mounting element 2 has an approximately oval cross section in the assembled state and an approximately wedge-shaped, upwardly tapering shape in longitudinal section (FIG. 3), which is comparable to that of a spatula.
  • the application element 2 has two opposite and opposite application surfaces 25, 26.
  • the two outlet openings 27, 28 are arranged such that they lie diametrically opposite one another and have a common longitudinal axis 32 which intersects the plane of the stiffening part 16 at approximately a right angle and passes through the slot 19.
  • the application element 2 consists of an open-cell foam.
  • Sleeve 9 and core 10 are - like the hollow shaft 1 - preferably made of plastic.
  • a feed piston 33 (FIG. 5) is arranged, which by a Actuating screw 8 can be driven in a manner known per se in the direction of arrow 34.
  • the piston rod 35 of the feed piston 33 is provided with an external thread (not shown).
  • the external thread of the piston rod 35 is in engagement with a corresponding internal thread (not shown) of an annular flange 36 connected to the hollow shaft 1 in a rotationally fixed manner.
  • the piston rod 35 is surrounded by a sleeve 37 and has two parallel flat surfaces (not shown) which interact with corresponding inner flat surfaces (not shown) of the sleeve 37 in the sense of a positive connection.
  • the piston rod 35 is thus non-rotatably connected to the sleeve 37.
  • the piston rod is displaceable relative to the sleeve 37 or the hollow shaft 1.
  • the sleeve 37 is non-rotatably connected to the actuating screw 8 by its rear end facing away from the opening 5 of the hollow shaft 1.
  • the piston moves forward in the direction of arrow 34. Rotation of the actuating screw in the opposite direction of arrow 38 is prevented by a locking mechanism (not shown) or difficult.
  • make-up mass is conveyed into the applicator head 2 and through the feed channel 18 into the interior 29 of the application element 3 (FIG. 6).
  • the application surfaces 25, 26 are more or less convexly curved outwards.
  • the make-up composition 39 penetrates through the exit openings 27, 28 and settles in the area of the exit openings 27, 28 in the form of an accumulation of make-up composition 40.
  • the application element 3 is pressed in the direction of the arrow 41 against the stiffening part 16.
  • the interior 29 is thereby reduced in size, as a result of which further make-up compound is transported from the interior 29 in the direction of the arrow 42 onto the application surface 26 currently used.
  • part of the make-up compound 39 located in the interior 29 is pressed in the direction of arrow 43 through the opposite outlet opening 28 onto the application surface 25.
  • the make-up material now available on the application surface 25 can then be applied and distributed.
  • the application surface 25 is again acted against in the direction of the arrow 41 and make-up compound is again conveyed out of the interior 29.
  • the make-up mass supplied to the application element by actuating the feed piston is therefore metered, quasi in batches, transfer to the skin.

Landscapes

  • Cosmetics (AREA)
EP94101942A 1993-02-12 1994-02-09 Dispositif pour l'application de compositions cosmétiques Withdrawn EP0614630A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9302236 1993-02-12
DE9302236U 1993-02-12

Publications (1)

Publication Number Publication Date
EP0614630A1 true EP0614630A1 (fr) 1994-09-14

Family

ID=6889485

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94101942A Withdrawn EP0614630A1 (fr) 1993-02-12 1994-02-09 Dispositif pour l'application de compositions cosmétiques

Country Status (1)

Country Link
EP (1) EP0614630A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0786215A1 (fr) * 1995-12-06 1997-07-30 TMC Kaken Kabushiki Kaisha Applicateur de produits chimiques sous forme de stylo
US20120034015A1 (en) * 2010-08-04 2012-02-09 Tokiwa Corporation Mascara applying device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1747889A (en) * 1928-04-28 1930-02-18 American Crayon Co Bottle closure
US1992518A (en) * 1933-06-07 1935-02-26 Charles P Werner Applicator
FR925899A (fr) * 1946-04-01 1947-09-16 Distributeur de produits en pâtes ou en bâtons
US2948008A (en) * 1957-04-29 1960-08-09 Leeds & Micallef Dispensing containers
GB1074908A (en) * 1965-12-09 1967-07-05 Gonnet & Cie Applicator for liquid semi-liquid products
FR2215915A1 (fr) * 1973-01-31 1974-08-30 Costa Allan
US4002182A (en) * 1974-10-09 1977-01-11 Aubrey Jonathan Michel Device for storing and applying cosmetics
DE4041058A1 (de) * 1989-12-25 1991-06-27 Mitsubishi Pencil Co Vorrichtung zum auftragen von fluessigkeit

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1747889A (en) * 1928-04-28 1930-02-18 American Crayon Co Bottle closure
US1992518A (en) * 1933-06-07 1935-02-26 Charles P Werner Applicator
FR925899A (fr) * 1946-04-01 1947-09-16 Distributeur de produits en pâtes ou en bâtons
US2948008A (en) * 1957-04-29 1960-08-09 Leeds & Micallef Dispensing containers
GB1074908A (en) * 1965-12-09 1967-07-05 Gonnet & Cie Applicator for liquid semi-liquid products
FR2215915A1 (fr) * 1973-01-31 1974-08-30 Costa Allan
US4002182A (en) * 1974-10-09 1977-01-11 Aubrey Jonathan Michel Device for storing and applying cosmetics
DE4041058A1 (de) * 1989-12-25 1991-06-27 Mitsubishi Pencil Co Vorrichtung zum auftragen von fluessigkeit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0786215A1 (fr) * 1995-12-06 1997-07-30 TMC Kaken Kabushiki Kaisha Applicateur de produits chimiques sous forme de stylo
US5960802A (en) * 1995-12-06 1999-10-05 Tmc Kaken Kabushiki Kaisha Pen-type chemical applicator
US20120034015A1 (en) * 2010-08-04 2012-02-09 Tokiwa Corporation Mascara applying device
US8413668B2 (en) * 2010-08-04 2013-04-09 Tokiwa Corporation Mascara applying device

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