EP1567422A1 - Cosmetic container, cosmetic applicator, and methods of making the same - Google Patents

Cosmetic container, cosmetic applicator, and methods of making the same

Info

Publication number
EP1567422A1
EP1567422A1 EP03713965A EP03713965A EP1567422A1 EP 1567422 A1 EP1567422 A1 EP 1567422A1 EP 03713965 A EP03713965 A EP 03713965A EP 03713965 A EP03713965 A EP 03713965A EP 1567422 A1 EP1567422 A1 EP 1567422A1
Authority
EP
European Patent Office
Prior art keywords
reservoir
neck
applicator head
container
applicator
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Withdrawn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
EP03713965A
Other languages
German (de)
French (fr)
Inventor
Doug Williams
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.)
Schwan Cosmetics USA Inc
Original Assignee
Cosmolab Inc
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 Cosmolab Inc filed Critical Cosmolab Inc
Publication of EP1567422A1 publication Critical patent/EP1567422A1/en
Withdrawn legal-status Critical Current

Links

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
    • 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
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
    • A45D34/042—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/02—Body construction
    • B65D35/04—Body construction made in one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/02—Body construction
    • B65D35/04—Body construction made in one piece
    • B65D35/06—Body construction made in one piece from metallic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/02—Body construction
    • B65D35/10—Body construction made by uniting or interconnecting two or more components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/02—Body construction
    • B65D35/12—Connections between body and closure-receiving bush
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/24—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with auxiliary devices
    • B65D35/36—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with auxiliary devices for applying contents to surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/24—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with auxiliary devices
    • B65D35/36—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with auxiliary devices for applying contents to surfaces
    • B65D35/38—Nozzles

Definitions

  • the invention generally relates to cosmetic applicators for containing a cosmetic mass to be applied. More particularly, the invention relates to such cosmetic applicators that include collapsible reservoirs.
  • Cosmetic applicators take various forms, including brushes, sponges, puffs, swabs, and, in the case of a lipstick or pencil product, a shaped cosmetic mass itself serves as an applicator.
  • the cosmetic mass such as eyeshadow
  • the cosmetic mass has been loaded onto the applicator for use by dipping the applicator into the cosmetic mass held in a container or swabbing the cosmetic mass onto the applicator, hi one type of cosmetic applicator, a cosmetic mass is forced through one or more holes in an applicator head by use of a plunger disposed in a rigid cylindrical container holding the cosmetic mass.
  • Various applicator heads include one or more features, such as brushes, flocking, and the like.
  • One aspect of the disclosure provides a cosmetic container for holding a cosmetic mass and connecting to an applicator head, the container including a collapsible reservoir, sealed at one end, and a tubular neck joined to the reservoir, the neck including a coupler, and the interior of the neck communicating with the interior of the reservoir.
  • a cosmetic applicator for holding and applying a cosmetic mass
  • the applicator including a collapsible reservoir sealed at one end and an applicator head joined to the reservoir, a tip portion of the applicator head including one or more discharge openings, and the interior of the applicator head communicating with the interior of the reservoir.
  • Another aspect of the disclosure provides a method of making a cosmetic applicator, including the steps of bonding a pliable- walled reservoir to a neck, the inner wall of the neck including an inner coupler and the outer wall of the neck including an outer coupler; inserting an applicator head into the neck, the outer wall of the applicator head including an outer coupler; supporting the neck against deformation while engaging the inner and outer couplers to connect the applicator head to the neck; loading a cosmetic mass into the pliable-walled reservoir; and sealing the pliable-walled reservoir.
  • Figure 1 shows an embodiment of a cosmetic applicator according to the invention, the applicator including a cosmetic container, an applicator head, and a cap.
  • Figure 2 is a partial cross-sectional view of the applicator of Figure 1.
  • Figure 3 is a partial exploded view of the applicator of Figure 1.
  • a cosmetic container for holding a cosmetic mass and connecting to an applicator head, a cosmetic applicator for holding and applying a cosmetic mass, and methods of making such containers and applicators, are disclosed herein.
  • One aspect of the disclosure is a cosmetic container for holding a cosmetic mass and connecting .to an applicator head, the container including a collapsible reservoir including a generally cylindrical wall, preferably of uniform thickness, sealed at one end and a tubular neck joined to the reservoir, the neck including a coupler, and the interior of the neck communicating with the interior of the reservoir.
  • the container further includes a tubular applicator head removably coupled to the neck.
  • a cosmetic applicator for holding and applying a cosmetic mass
  • the applicator including a collapsible reservoir including a generally tubular wall sealed at one end and a tubular applicator head joined to the reservoir, a tip portion of the applicator head including one or more discharge openings, the interior of the applicator head communicating with the interior of the reservoir, and the outer wall of the applicator head including an outer coupler.
  • the collapsible reservoir can be made of any suitable material compatible with the cosmetic mass.
  • Preferred materials are pliable, especially elastically-deformable materials such that the reservoir tends to spring back to its original shape, to provide a fine degree of regulation to the flow of the cosmetic mass on demand by the user's hand.
  • inelastically-deformable materials such as metal foils, can be used.
  • Suitable materials include polypropylene, high density polyethylene (HDPE), and co-extruded polyethylene and ethylene vinyl alcohol (ENOH) polymer or oligomer.
  • a reservoir can be made by various processes, including the use of an extruded material and by injection molding.
  • a reservoir material can be formed into a cylinder (e.g., by extrusion), and sealed at one end (e.g., by heating and crimping) to form a tubular reservoir.
  • a reservoir tube can be spin-welded, ultrasonic welded, or otherwise bonded to a neck, preferably before sealing.
  • a neck/reservoir combination can be injection molded as a single piece.
  • the wall thickness will be greater than when extruded components are used.
  • Polypropylene and HDPE are preferred for injection-molded reservoirs, and all three classes of materials (polypropylene, HDPE, and co-extruded polyethylene and ENOH) are preferred for extruded reservoirs.
  • a tubular neck can also be made of any suitable material compatible with the cosmetic mass, and is preferably more rigid than the reservoir (e.g., via a greater wall thickness).
  • the neck can be injection molded with the reservoir as a single piece, using the same construction material.
  • the neck can include a first construction material, and the reservoir can include a second construction material, the two pieces being bonded together after formation such that the interior of the neck communicates with the interior of the reservoir for conveyance of the cosmetic mass.
  • the neck includes at least one a coupler.
  • a coupler can include any feature to substantially restrain movement of one element with respect to another in a direction of interest, for example by clamping, wedging, shrinking, force fit, sticking or pressing together, and penetration of one member into a hole in another.
  • Couplers can include, without being limited to, beads (e.g., snap bead rings), clamps, claws, clips, keys, threads, and wedges. Claws (e.g., crab claws), clips, snap beads, and threads are preferred.
  • Couplers can restrain movement in one or more directions by means such as frictional and mechanical engagement, elastic deformation, and inelastic deformation.
  • the provision of one or more couplers on the neck permits the use of various applicator heads for specific cosmetic applications. Provision of a suitable coupler can also permit the interchange of applicator heads for flexibility of application of a cosmetic mass contained in a single reservoir.
  • a coupler will substantially restrain movement of the neck with respect to the applicator head in the axial direction, such that the head will not be substantially pushed into or pulled out of the neck while in storage or use.
  • the coupler will also substantially restrain movement of the neck with respect to the applicator head in the radial direction, such that the applicator head does not rotate substantially with respect to the neck, although this need not be the case and, in other embodiments, such freedom of rotation will be preferred.
  • the applicator head can be inserted into the neck or the neck can be inserted into the head, preferably the former.
  • the inner wall of the neck includes at least one, preferably two, inner couplers
  • the outer wall of the applicator head includes at least one, preferably two, outer couplers
  • the interior of the applicator head communicates with the interior of one or more of the neck and the reservoir
  • the outer wall of the neck includes an outer coupler.
  • Such an applicator/container combination optionally, but preferably, includes a cap removably engaged with the neck outer coupler.
  • the inner wall of the applicator head includes at least one, preferably two, inner couplers
  • the outer wall of the neck includes at least one, preferably two, outer couplers
  • the outer wall of the applicator head includes an outer coupler
  • the interior of the applicator head communicates with the interior of one or more of the neck and the reservoir.
  • an applicator/container combination optionally, but preferably, includes a cap removably engaged with the applicator head outer coupler.
  • Preferred applicator heads include a tip portion including one or more discharge openings and a plurality of fibers (e.g., bristles or flocking) disposed at the application end (e.g., the outer surface) of the tip, to aid in dispersing and applying the cosmetic mass.
  • the applicator head preferably is rigid, and can be made from the same materials identified above for construction of containers. Suitable applicators heads are commercially available under the designations Tl, T2, and T3, from Cosmolab, Inc., of Lewisburg, Tennessee, for example.
  • Any cosmetic mass having a viscosity suitable for dispensation via a tube can be loaded into a container disclosed herein and used in an applicator disclosed herein.
  • Suitable cosmetics include eyeshadows, eyeliners, lip liners, and lip colors, and are known to those in the art and available for commercial purchase.
  • the applicator head in an embodiment wherein the applicator head is joined to the reservoir (e.g., by bonding or integral formation), then preferably the applicator head includes a rigid base portion adjacent the reservoir and the rigid base portion includes a coupler for engagement with a removable cap.
  • a tip portion including one or more discharge openings and a plurality of fibers (e.g., bristles or flocking) disposed at the application end (e.g., on the outer surface) of the tip.
  • a container or applicator will preferably include a removable cap.
  • the optional removable cap preferably forms a water-tight seal, for use with cosmetic masses that are sensitive to changes in moisture, such as hydrophilic cosmetics.
  • the reservoir wall includes a relatively rigid transition region in the vicinity of the neck adapted for grasping by a user, thereby preventing substantial deformation of the reservoir prior to removal of a cap, when present, and preparatory to application.
  • the containers and tubes disclosed herein facilitate smooth, controllable dispensation of a cosmetic mass.
  • Known cosmetic applicators that use applicator heads with flocking or bristles have included a rigid, non-collapsible cylindrical reservoir for the cosmetic mass.
  • a plunger was displaced within the cylinder to force cosmetic mass through the applicator head.
  • the plunger was mounted on a threaded shaft, which extended further into the cylinder by rotation through a similarly-threaded nut in fixed position. Rotation was permitted in only one direction, such that the plunger could only advance to force product out, and not retract. Rotation was effected by holding the rigid cylinder in one hand, while advancing the plunger to dispense cosmetic product by twisting an actuator on the end of the applicator.
  • the containers and tubes disclosed herein by providing a collapsible tube, can be used with a single hand to dispense product on an as-needed basis as the cosmetic product is applied to the user's (or the applicant's) skin. Furthermore, even finer control over dispensation is possible when the reservoir is made of a more elastically-deformable material.
  • the containers and tubes disclosed herein can be made by various methods, such as the bonding and injection-molding methods described above.
  • a preferred method of making an applicator with a removably coupled applicator head includes the steps of: bonding a pliable-walled tube to a tubular neck, the inner wall of the neck including an inner coupler and the outer wall of the neck including an outer coupler; inserting a tubular applicator head into the neck, the outer wall of the applicator head including an outer coupler; supporting the neck against deformation while engaging the inner and outer couplers to connect the applicator head to the neck; loading a cosmetic mass into the pliable-walled tube; and sealing the pliable- walled tube.
  • Example 1 Figures 1-3 illustrate a cosmetic applicator 10 for holding and applying a cosmetic mass.
  • the applicator 10 includes a collapsible reservoir 12 including a generally tubular pliable wall 14 having a crimp seal 18 at one end.
  • the reservoir 12 is in the form of a cylinder that has been deformed by crimping at one end.
  • the applicator 10 also includes a tubular neck 20 joined to the reservoir 12, a tubular applicator head 22 disposed within the interior of the neck 20, and a cap 24 removably engaged with the neck 20.
  • the interior of the neck 20 communicates with the interior of the reservoir 12.
  • Figure 2 is a partial cross-sectional view of the applicator 10, as indicated in Figure 1, enlarged to show details.
  • the neck 20 includes a first snap ring coupler 28 on its interior surface and a second snap ring coupler 30 on its exterior surface.
  • the applicator head 22 includes a snap ring coupler 32 on its exterior surface for engagement with the coupler 28 on the interior of the neck 20.
  • the cap 24 includes a snap ring coupler 34 on its interior surface for engagement with the coupler 30 on the exterior of the neck 20.
  • Figure 3 is a partial exploded view of the applicator 10, showing the cap 24, the applicator head 22, the neck 20, and a partial view of the reservoir 12.
  • the applicator head 22 includes a rigid, hollow section 40 for insertion into the neck 20, and a raised shoulder 42 to prevent over-insertion (see Figure 3).
  • the tip 44 of the applicator head 22 of this embodiment is flocked (i.e., includes a plurality of fibers on the surface), and the tip 44 includes a hole 48 for dispensation of cosmetic mass when the reservoir 12 is squeezed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

A cosmetic container for holding a cosmetic mass and connecting to an applicator head (22), including a collapsible reservoir (12) including a generally tubular wall (14) sealed at one end and a tubular neck joined to the reservoir (12), the neck including a coupler (30), and the interior of the neck communicating with the interior of the reservoir (12); a cosmetic applicator (10) for holding and applying a cosmetic mass, including a collapsible reservoir (12) including a generally tubular wall (14) sealed at one end and a tubular applicator head (22) joined to the reservoir, the interior of the applicator head (22) communicating with the interior of the reservoir (12), the applicator head (22) including a rigid base portion (40) adjacent the reservoir (12), a tip portion (44) including one or more discharge openings (48), a plurality of fibers disposed on the outer surface of the tip (44), and the outer wall of the applicator head (22) including an outer coupler (32); and methods for making the same, are disclosed.

Description

COSMETIC CONTAINER, COSMETIC APPLICATOR, AND METHODS OF MAKING THE SAME
CROSS-REFERENCE TO RELATED APPLICATION The benefit under 35 U.S.C. §119(e) of U.S. Provisional Patent
Application Serial No. 60/427,697 filed November 20, 2002, is hereby claimed.
BACKGROUND Field of the invention
The invention generally relates to cosmetic applicators for containing a cosmetic mass to be applied. More particularly, the invention relates to such cosmetic applicators that include collapsible reservoirs.
Brief Description of Related Technology
Cosmetic applicators take various forms, including brushes, sponges, puffs, swabs, and, in the case of a lipstick or pencil product, a shaped cosmetic mass itself serves as an applicator. Frequently, the cosmetic mass, such as eyeshadow, has been loaded onto the applicator for use by dipping the applicator into the cosmetic mass held in a container or swabbing the cosmetic mass onto the applicator, hi one type of cosmetic applicator, a cosmetic mass is forced through one or more holes in an applicator head by use of a plunger disposed in a rigid cylindrical container holding the cosmetic mass. Various applicator heads include one or more features, such as brushes, flocking, and the like.
SUMMARY
One aspect of the disclosure provides a cosmetic container for holding a cosmetic mass and connecting to an applicator head, the container including a collapsible reservoir, sealed at one end, and a tubular neck joined to the reservoir, the neck including a coupler, and the interior of the neck communicating with the interior of the reservoir.
Another aspect of the disclosure provides a cosmetic applicator for holding and applying a cosmetic mass, the applicator including a collapsible reservoir sealed at one end and an applicator head joined to the reservoir, a tip portion of the applicator head including one or more discharge openings, and the interior of the applicator head communicating with the interior of the reservoir.
Another aspect of the disclosure provides a method of making a cosmetic applicator, including the steps of bonding a pliable- walled reservoir to a neck, the inner wall of the neck including an inner coupler and the outer wall of the neck including an outer coupler; inserting an applicator head into the neck, the outer wall of the applicator head including an outer coupler; supporting the neck against deformation while engaging the inner and outer couplers to connect the applicator head to the neck; loading a cosmetic mass into the pliable-walled reservoir; and sealing the pliable-walled reservoir.
Further aspects and advantages may become apparent to those skilled in the art from a review of the following detailed description, taken in conjunction with the appended claims. While the invention is susceptible of embodiments in various forms, described hereinafter are specific embodiments with the understanding that the disclosure is illustrative, and is not intended to limit the invention to the specific embodiments described herein.
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 shows an embodiment of a cosmetic applicator according to the invention, the applicator including a cosmetic container, an applicator head, and a cap.
Figure 2 is a partial cross-sectional view of the applicator of Figure 1.
Figure 3 is a partial exploded view of the applicator of Figure 1. DETAILED DESCRIPTION
A cosmetic container for holding a cosmetic mass and connecting to an applicator head, a cosmetic applicator for holding and applying a cosmetic mass, and methods of making such containers and applicators, are disclosed herein.
One aspect of the disclosure is a cosmetic container for holding a cosmetic mass and connecting .to an applicator head, the container including a collapsible reservoir including a generally cylindrical wall, preferably of uniform thickness, sealed at one end and a tubular neck joined to the reservoir, the neck including a coupler, and the interior of the neck communicating with the interior of the reservoir. Preferably, the container further includes a tubular applicator head removably coupled to the neck. Another aspect of the disclosure is a cosmetic applicator for holding and applying a cosmetic mass, the applicator including a collapsible reservoir including a generally tubular wall sealed at one end and a tubular applicator head joined to the reservoir, a tip portion of the applicator head including one or more discharge openings, the interior of the applicator head communicating with the interior of the reservoir, and the outer wall of the applicator head including an outer coupler.
The collapsible reservoir can be made of any suitable material compatible with the cosmetic mass. Preferred materials are pliable, especially elastically-deformable materials such that the reservoir tends to spring back to its original shape, to provide a fine degree of regulation to the flow of the cosmetic mass on demand by the user's hand. In the alternative, inelastically-deformable materials, such as metal foils, can be used. Suitable materials include polypropylene, high density polyethylene (HDPE), and co-extruded polyethylene and ethylene vinyl alcohol (ENOH) polymer or oligomer. A reservoir can be made by various processes, including the use of an extruded material and by injection molding. For example, a reservoir material can be formed into a cylinder (e.g., by extrusion), and sealed at one end (e.g., by heating and crimping) to form a tubular reservoir. Such a reservoir tube can be spin-welded, ultrasonic welded, or otherwise bonded to a neck, preferably before sealing. In another method, a neck/reservoir combination can be injection molded as a single piece. Preferably, when the container is injection molded, the wall thickness will be greater than when extruded components are used. Polypropylene and HDPE are preferred for injection-molded reservoirs, and all three classes of materials (polypropylene, HDPE, and co-extruded polyethylene and ENOH) are preferred for extruded reservoirs. A tubular neck can also be made of any suitable material compatible with the cosmetic mass, and is preferably more rigid than the reservoir (e.g., via a greater wall thickness). For example, as described above, the neck can be injection molded with the reservoir as a single piece, using the same construction material. Alternatively, the neck can include a first construction material, and the reservoir can include a second construction material, the two pieces being bonded together after formation such that the interior of the neck communicates with the interior of the reservoir for conveyance of the cosmetic mass.
The neck includes at least one a coupler. A coupler can include any feature to substantially restrain movement of one element with respect to another in a direction of interest, for example by clamping, wedging, shrinking, force fit, sticking or pressing together, and penetration of one member into a hole in another. Couplers can include, without being limited to, beads (e.g., snap bead rings), clamps, claws, clips, keys, threads, and wedges. Claws (e.g., crab claws), clips, snap beads, and threads are preferred. Couplers can restrain movement in one or more directions by means such as frictional and mechanical engagement, elastic deformation, and inelastic deformation. The provision of one or more couplers on the neck permits the use of various applicator heads for specific cosmetic applications. Provision of a suitable coupler can also permit the interchange of applicator heads for flexibility of application of a cosmetic mass contained in a single reservoir.
In preferred embodiments wherein the applicator head is removably coupled to the neck, a coupler will substantially restrain movement of the neck with respect to the applicator head in the axial direction, such that the head will not be substantially pushed into or pulled out of the neck while in storage or use. In one such embodiment, the coupler will also substantially restrain movement of the neck with respect to the applicator head in the radial direction, such that the applicator head does not rotate substantially with respect to the neck, although this need not be the case and, in other embodiments, such freedom of rotation will be preferred.
In embodiments wherein the applicator head is removably coupled to the neck, the applicator head can be inserted into the neck or the neck can be inserted into the head, preferably the former. Thus, in a preferred embodiment wherein the applicator head is inserted into the neck for coupling, the inner wall of the neck includes at least one, preferably two, inner couplers, the outer wall of the applicator head includes at least one, preferably two, outer couplers, the interior of the applicator head communicates with the interior of one or more of the neck and the reservoir, and the outer wall of the neck includes an outer coupler. Such an applicator/container combination optionally, but preferably, includes a cap removably engaged with the neck outer coupler.
In a preferred embodiment wherein the neck is inserted into the applicator head for coupling, the inner wall of the applicator head includes at least one, preferably two, inner couplers, the outer wall of the neck includes at least one, preferably two, outer couplers, the outer wall of the applicator head includes an outer coupler, and the interior of the applicator head communicates with the interior of one or more of the neck and the reservoir. Such an applicator/container combination optionally, but preferably, includes a cap removably engaged with the applicator head outer coupler.
Preferred applicator heads include a tip portion including one or more discharge openings and a plurality of fibers (e.g., bristles or flocking) disposed at the application end (e.g., the outer surface) of the tip, to aid in dispersing and applying the cosmetic mass. The applicator head preferably is rigid, and can be made from the same materials identified above for construction of containers. Suitable applicators heads are commercially available under the designations Tl, T2, and T3, from Cosmolab, Inc., of Lewisburg, Tennessee, for example.
Any cosmetic mass having a viscosity suitable for dispensation via a tube can be loaded into a container disclosed herein and used in an applicator disclosed herein. Suitable cosmetics include eyeshadows, eyeliners, lip liners, and lip colors, and are known to those in the art and available for commercial purchase.
In an embodiment wherein the applicator head is joined to the reservoir (e.g., by bonding or integral formation), then preferably the applicator head includes a rigid base portion adjacent the reservoir and the rigid base portion includes a coupler for engagement with a removable cap. Such an embodiment also preferably includes a tip portion including one or more discharge openings and a plurality of fibers (e.g., bristles or flocking) disposed at the application end (e.g., on the outer surface) of the tip.
The containers and tubes disclosed herein can also have various optional features, including features to promote, storage, handling, and use. Thus, a container or applicator will preferably include a removable cap. The optional removable cap preferably forms a water-tight seal, for use with cosmetic masses that are sensitive to changes in moisture, such as hydrophilic cosmetics. In another embodiment, the reservoir wall includes a relatively rigid transition region in the vicinity of the neck adapted for grasping by a user, thereby preventing substantial deformation of the reservoir prior to removal of a cap, when present, and preparatory to application. The containers and tubes disclosed herein facilitate smooth, controllable dispensation of a cosmetic mass. Known cosmetic applicators that use applicator heads with flocking or bristles have included a rigid, non-collapsible cylindrical reservoir for the cosmetic mass. A plunger was displaced within the cylinder to force cosmetic mass through the applicator head. The plunger was mounted on a threaded shaft, which extended further into the cylinder by rotation through a similarly-threaded nut in fixed position. Rotation was permitted in only one direction, such that the plunger could only advance to force product out, and not retract. Rotation was effected by holding the rigid cylinder in one hand, while advancing the plunger to dispense cosmetic product by twisting an actuator on the end of the applicator.
In contrast, the containers and tubes disclosed herein, by providing a collapsible tube, can be used with a single hand to dispense product on an as-needed basis as the cosmetic product is applied to the user's (or the applicant's) skin. Furthermore, even finer control over dispensation is possible when the reservoir is made of a more elastically-deformable material. The containers and tubes disclosed herein can be made by various methods, such as the bonding and injection-molding methods described above. A preferred method of making an applicator with a removably coupled applicator head includes the steps of: bonding a pliable-walled tube to a tubular neck, the inner wall of the neck including an inner coupler and the outer wall of the neck including an outer coupler; inserting a tubular applicator head into the neck, the outer wall of the applicator head including an outer coupler; supporting the neck against deformation while engaging the inner and outer couplers to connect the applicator head to the neck; loading a cosmetic mass into the pliable-walled tube; and sealing the pliable- walled tube.
EXAMPLE
The following example is provided to illustrate the invention but is not intended to limit the scope of the invention.
Example 1 Figures 1-3 illustrate a cosmetic applicator 10 for holding and applying a cosmetic mass. The applicator 10 includes a collapsible reservoir 12 including a generally tubular pliable wall 14 having a crimp seal 18 at one end. The reservoir 12 is in the form of a cylinder that has been deformed by crimping at one end. The applicator 10 also includes a tubular neck 20 joined to the reservoir 12, a tubular applicator head 22 disposed within the interior of the neck 20, and a cap 24 removably engaged with the neck 20. The interior of the neck 20 communicates with the interior of the reservoir 12.
Figure 2 is a partial cross-sectional view of the applicator 10, as indicated in Figure 1, enlarged to show details. The neck 20 includes a first snap ring coupler 28 on its interior surface and a second snap ring coupler 30 on its exterior surface. The applicator head 22 includes a snap ring coupler 32 on its exterior surface for engagement with the coupler 28 on the interior of the neck 20. The cap 24 includes a snap ring coupler 34 on its interior surface for engagement with the coupler 30 on the exterior of the neck 20. Figure 3 is a partial exploded view of the applicator 10, showing the cap 24, the applicator head 22, the neck 20, and a partial view of the reservoir 12. The applicator head 22 includes a rigid, hollow section 40 for insertion into the neck 20, and a raised shoulder 42 to prevent over-insertion (see Figure 3). The tip 44 of the applicator head 22 of this embodiment is flocked (i.e., includes a plurality of fibers on the surface), and the tip 44 includes a hole 48 for dispensation of cosmetic mass when the reservoir 12 is squeezed.
The foregoing description is given for clearness of understanding only, and no unnecessary limitations should be understood therefrom, as modifications within the scope of the invention may be apparent to those having ordinary skill in the art.

Claims

What is claimed is:
1. A cosmetic container for holding a cosmetic mass and connecting to an applicator head, comprising: a collapsible reservoir comprising a generally cylindrical wall sealed at one end; and a cylindrical neck joined to said reservoir, said neck comprising a coupler, and the interior of said neck communicating with the interior of said reservoir.
2. The container of claim 1 , wherein the outer wall of said neck comprises an outer coupler.
3. The container of claim 2, wherein the inner wall of said neck comprises an inner coupler.
4. The container of claim 3, further comprising a cylindrical applicator head, the outer wall of said applicator head comprising an outer coupler and the interior of said applicator head communicating with the interior of one or more of said neck and said reservoir.
5. The container of claim 4, further comprising a cap removably engaged with said neck outer coupler to form a water-tight seal.
6. The container of claim 1 , wherein said coupler comprises one or more of a clip, a snap bead, and a thread.
7. The container of claim 1, wherein said reservoir wall forms a pliable tube.
8. The container of claim 7, wherein said reservoir wall is elastically deformable.
9. The container of claim 1, wherein said neck and said reservoir are integrally-formed.
10. The container of claim 1, wherein said neck is bonded to said reservoir.
11. The container of claim 1, wherein said reservoir wall comprises a relatively rigid transition region in the vicinity of said neck adapted for grasping by a user, thereby preventing substantial deformation of the reservoir prior to removal of a cap and preparatory to application.
12. The container of claim 1, further comprising a cosmetic mass disposed in said reservoir.
13. A cosmetic applicator for holding and applying a cosmetic mass, comprising: a collapsible reservoir comprising a generally cylindrical wall sealed at one end; and a cylindrical applicator head joined to said reservoir, the interior of said applicator head communicating with the interior of said reservoir, said applicator head comprising a rigid base portion adjacent said reservoir, a tip portion comprising one or more discharge openings, a plurality of fibers disposed on the outer surface of said tip, and the outer wall of said applicator head comprising an outer coupler.
14. The applicator of claim 13, further comprising a cap removably engaged with said outer coupler to form a water-tight seal.
15. The applicator of claim 13, further comprising a cosmetic mass disposed in said reservoir.
16. A method of making a cosmetic applicator, comprising the steps of: bonding a pliable-walled tube to a cylindrical neck, the inner wall of said neck comprising an inner coupler and the outer wall of said neck comprising an outer coupler; inserting a cylindrical applicator head into said neck, the outer wall of said applicator head comprising an outer coupler; supporting said neck against deformation while engaging said inner and outer couplers to connect said applicator head to said neck; loading a cosmetic mass into said pliable-walled tube; and sealing said pliable-walled tube.
EP03713965A 2002-11-20 2003-03-07 Cosmetic container, cosmetic applicator, and methods of making the same Withdrawn EP1567422A1 (en)

Applications Claiming Priority (3)

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US42769702P 2002-11-20 2002-11-20
US427697P 2002-11-20
PCT/US2003/006995 WO2004048218A1 (en) 2002-11-20 2003-03-07 Cosmetic container, cosmetic applicator, and methods of making the same

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EP1567422A1 true EP1567422A1 (en) 2005-08-31

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EP (1) EP1567422A1 (en)
AU (1) AU2003217987A1 (en)
WO (1) WO2004048218A1 (en)

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US20060137999A1 (en) 2006-06-29
WO2004048218A1 (en) 2004-06-10

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