EP1318733B1 - Sealed cosmetic dispenser with easy open closure - Google Patents

Sealed cosmetic dispenser with easy open closure Download PDF

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Publication number
EP1318733B1
EP1318733B1 EP01979289A EP01979289A EP1318733B1 EP 1318733 B1 EP1318733 B1 EP 1318733B1 EP 01979289 A EP01979289 A EP 01979289A EP 01979289 A EP01979289 A EP 01979289A EP 1318733 B1 EP1318733 B1 EP 1318733B1
Authority
EP
European Patent Office
Prior art keywords
barrel
cosmetic dispenser
top wall
adapter
dispenser
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.)
Expired - Lifetime
Application number
EP01979289A
Other languages
German (de)
French (fr)
Other versions
EP1318733A2 (en
Inventor
Daniel Ostrowski
Bruce Cummings
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.)
Colgate Palmolive Co
Original Assignee
Colgate Palmolive 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
Priority claimed from US09/729,931 external-priority patent/US6419412B1/en
Application filed by Colgate Palmolive Co filed Critical Colgate Palmolive Co
Publication of EP1318733A2 publication Critical patent/EP1318733A2/en
Application granted granted Critical
Publication of EP1318733B1 publication Critical patent/EP1318733B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A45D40/02—Casings wherein movement of the lipstick or like solid is a sliding movement
    • A45D40/04—Casings wherein movement of the lipstick or like solid is a sliding movement effected by a screw

Definitions

  • This invention relates to a positively sealed cosmetic dispenser which has an easy opening closure. More particularly, this invention relates to a cosmetic dispenser which has a combined, low-abrasion applicator edge and an easy opening closure.
  • Cosmetic dispensers such as those for antiperspirants and deodorants use several types of closures, depending to a degree on how the dispenser is filled with the product.
  • a convenient way to fill the dispenser is the bottom fill technique where a dispenser with a cover in place is inverted and filled. This allows the upper surface of the cosmetic container's contents to be cast into a variety of shapes. It will be the shape of the inner surface of the cover.
  • Another convenient way to fill cosmetic dispensers and to cast a top surface into a variety of shapes is by the filling of the container in an upright orientation, putting on a closure, and then to invert the container so that the top of the cosmetic then will have the shape of the closure. This also is known as the fill and flip technique.
  • dispensers there also is an adapter on the top of the barrel to transform the upper edge of the barrel from a sharp edge to a curved shape to remove a harsh scraping on the skin surface when the cosmetic is being applied.
  • an adapter is described in U.S. Patent 5,275, 496 which is incorporated herein by reference.
  • This type of dispenser can be bottom filled or filled by the fill and flip technique. All of these dispensers can use the present positive seal closure.
  • a dispenser according to the preamble of claim 1 is known from US-A-4 950 094.
  • a positive seal closure is part of an adapter that fits onto a barrel. It eliminates the need for a shaping closure that is needed and used only during cosmetic container filling. It is discarded by the purchaser when the dispenser is opened. It is not needed for closing the container during use. This is accomplished by the permanent overcap. The net result is a savings in material and assembly costs.
  • the new dispensers have a positive seal, easy open closure that is an integral part of the upper end of the barrel of the dispenser or of an adapter that conformingly fits onto the upper end of the barrel.
  • the closure is integrally molded with the barrel or with the adapter to the barrel and comprises a top wall which has a weakened region adjacent a sidewall of the dispenser or adapter. This weakened region is a thinned area such as a scored area at the periphery of the top wall of the closure.
  • the top wall also will have a gripping structure which will provide a way to peel off the top wall of the dispenser closure to expose the product in the container.
  • the gripping structure can be any piece projecting above the top wall that can gripped. This preferably is a loop, and most preferably is mounted on the closure top wall near a peripheral edge of the top wall.
  • the closure is a part of an adapter that forms a curved edge at an upper end of the barrel.
  • the adapter fits conformingly onto an upper edge of the barrel of a dispenser.
  • the adapter closes the barrel of the dispenser but can easily be opened by removal of the top wall via the gripping structure.
  • closure is an integral molded part of the sidewall of the dispenser barrel forming the top wall and closing the barrel at an upper end.
  • the dispensers whether the closure is an integral part of the dispenser barrel or a part of an adapter, preferably will be bottom filled. If a part of an adapter to the dispenser there is an option to top fill, put the adapter in place and invert using the fill and flip technique. However, in any mode of filling the top of the cosmetic in the dispenser will have the shape of the top wall.
  • FIG. 1 A prior art dispenser is shown in Figure 1.
  • dispenser 10 having a barrel 12, an adapter 14, temporary closure 16 and permanent closure 18.
  • the adapter has a curved upper edge 15 and the temporary closure has a top wall 21 and a grip 22.
  • screw 20 At the base of the barrel is screw 20 which by means of a cooperating elevator raises cosmetic 24 upwards for dispensing.
  • the adapter 14 has a sidewall 17 which conformingly fits over wall 26 of the barrel.
  • Flange 28 of the barrel provides a seat for both the adapter 14 and the permanent closure 18.
  • the adapter is fitted down into the upper part of the barrel 12. This is latched onto the barrel.
  • the temporary closure then is put into place onto the adapter followed by the permanent closure.
  • the barrel then is inverted and filled with a cosmetic from the bottom and the screw 20 and attached elevator assembly snapped into place in the bottom of the barrel.
  • the cosmetic cools and sets.
  • the temporary closure remains with the dispenser until used.
  • the permanent closure is removed, the temporary closure removed and discarded, and a portion of the cosmetic dispensed. After dispensing, the permanent closure is put into place to close the dispenser.
  • the adapter 14 is fitted into place and the screw 20 with the attached elevator snapped into place.
  • the barrel then is top filled with cosmetic, the temporary closure put into place followed by the permanent closure.
  • the dispenser then is inverted while the cosmetic is flowable so that the cosmetic will have the shape of the wall 21 of the temporary closure 16. This is the fill and flip technique.
  • FIG. 2 shows dispenser 30 with barrel 32, adapter 34 and permanent closure 36.
  • the barrel has screw 40 at the base which is attached to an elevator assembly which supports the cosmetic 44.
  • the adapter 34 has a curved edge 35, top wall 42 and sidewall 37.
  • a grip tab 38 provides a way to remove the top wall 42 by severing the top wall 42 at a junction 39 with the sidewall 37. At this junction the top wall is thinned by a score line.
  • the adapter conformingly fits over wall 46 and seats against flange 48.
  • the closure 36 when in place also seats against flange 48.
  • this dispenser can be bottom filled by fitting the adapter onto the barrel and optionally putting the permanent closure in place.
  • the dispenser is inverted and bottom filled, with the cosmetic set by cooling while the dispenser is inverted. An elevator and screw assembly then is inserted.
  • the set cosmetic will have a shape of the inner surface of the top wall of the adapter.
  • the dispenser also can be top filled by placing the screw and elevator assembly in the barrel, filling the barrel with the cosmetic through the top, fitting the adapter into place, optionally attaching the permanent closure, inverting the dispenser and maintaining it inverted until the cosmetic has set.
  • the cosmetic upper surface will have the shape of the inner surface of the top wall of the adapter.
  • Figures 3 to 5 disclose the opening of the dispenser of Figure 2.
  • the permanent closure 36 is shown removed.
  • the grip 38 is shown as raised and the top wall 42 partially removed.
  • the top wall 42 is shown almost fully removed and the cosmetic 44 exposed. Upon full removal of top wall 42 the cosmetic dispenser is ready for use.
  • Figure 6 discloses an embodiment where the top wall 64 is an integral part of the dispenser 60. That is, it is an integrally molded to wall 52 of the barrel rather than a part of an adapter. In this embodiment the dispenser only can be bottom filled with a cosmetic.
  • the dispensers of this invention can be molded from any injection moldable plastic.
  • These plastics include the polyolefins which, in turn, include polyethylene, polypropylenes, polybutadienes and mixtures of these plastics.
  • the preferred molding technique to be used is injection molding. These are known techniques for molding the parts for this type of a dispenser.
  • both the adapter and barrel are made separately in a single injection molding shot.
  • a convenient technique to make the one piece barrel, curved edge and seal is to use a two shot injection molding technique with the barrel made in one shot and the curved edge and seal in a second shot. These are the most convenient techniques to make this dispenser.

Abstract

The cosmetic dispenser is comprised of a barrel that is closed at a lower end by a screw and elevator assembly and on the upper end by an integrally molded top wall. The integrally molded top wall has a weakened area at its periphery and a gripping means such as a loop whereby the top wall can be removed by severing the weakened area. The removed top wall is discarded and the screw turned to raise a portion above the sidewalls. The integrally molded top wall can be integrally molded with the barrel or it can be integrally molded to an adaptor which fits onto the top of the barrel to provide a compound curved top edge for comfort in applying the cosmetic to a skin surface. In this latter embodiment the top wall has a peripheral weakened area whereby the top wall is removed by severing this top wall at the peripheral weakened area. The structure of these embodiments provides a positively sealed and easily opened cosmetic dispenser.

Description

This invention relates to a positively sealed cosmetic dispenser which has an easy opening closure. More particularly, this invention relates to a cosmetic dispenser which has a combined, low-abrasion applicator edge and an easy opening closure.
Background of the Invention
Cosmetic dispensers such as those for antiperspirants and deodorants use several types of closures, depending to a degree on how the dispenser is filled with the product. A convenient way to fill the dispenser is the bottom fill technique where a dispenser with a cover in place is inverted and filled. This allows the upper surface of the cosmetic container's contents to be cast into a variety of shapes. It will be the shape of the inner surface of the cover. Another convenient way to fill cosmetic dispensers and to cast a top surface into a variety of shapes is by the filling of the container in an upright orientation, putting on a closure, and then to invert the container so that the top of the cosmetic then will have the shape of the closure. This also is known as the fill and flip technique.
In some dispensers there also is an adapter on the top of the barrel to transform the upper edge of the barrel from a sharp edge to a curved shape to remove a harsh scraping on the skin surface when the cosmetic is being applied. Such an adapter is described in U.S. Patent 5,275, 496 which is incorporated herein by reference. This type of dispenser can be bottom filled or filled by the fill and flip technique. All of these dispensers can use the present positive seal closure.
A dispenser according to the preamble of claim 1 is known from US-A-4 950 094.
In the present invention a positive seal closure is part of an adapter that fits onto a barrel. It eliminates the need for a shaping closure that is needed and used only during cosmetic container filling. It is discarded by the purchaser when the dispenser is opened. It is not needed for closing the container during use. This is accomplished by the permanent overcap. The net result is a savings in material and assembly costs.
Brief Summary of the Invention
The new dispensers have a positive seal, easy open closure that is an integral part of the upper end of the barrel of the dispenser or of an adapter that conformingly fits onto the upper end of the barrel. The closure is integrally molded with the barrel or with the adapter to the barrel and comprises a top wall which has a weakened region adjacent a sidewall of the dispenser or adapter. This weakened region is a thinned area such as a scored area at the periphery of the top wall of the closure.
The top wall also will have a gripping structure which will provide a way to peel off the top wall of the dispenser closure to expose the product in the container. The gripping structure can be any piece projecting above the top wall that can gripped. This preferably is a loop, and most preferably is mounted on the closure top wall near a peripheral edge of the top wall.
In one preferred embodiment the closure is a part of an adapter that forms a curved edge at an upper end of the barrel. The adapter fits conformingly onto an upper edge of the barrel of a dispenser. The adapter closes the barrel of the dispenser but can easily be opened by removal of the top wall via the gripping structure.
In a further preferred embodiment the closure is an integral molded part of the sidewall of the dispenser barrel forming the top wall and closing the barrel at an upper end.
The dispensers, whether the closure is an integral part of the dispenser barrel or a part of an adapter, preferably will be bottom filled. If a part of an adapter to the dispenser there is an option to top fill, put the adapter in place and invert using the fill and flip technique. However, in any mode of filling the top of the cosmetic in the dispenser will have the shape of the top wall.
Brief Description of the Drawings
  • Figure 1 is an exploded elevational view of a prior art dispenser.
  • Figure 2 is an exploded elevational view of a dispenser of the present invention.
  • Figure 3 is an exploded elevational view of the present dispenser with the closure in place and overcap removed.
  • Figure 4 is an elevational view of the dispenser of Figure 3 with the closure top wall partially removed.
  • Figure 5 is an elevational view of the dispenser of Figure 3 with the closure mostly removed.
  • Figure 6 is an elevational view of a dispenser where the closure is an integral part of the dispenser barrel.
    • Detailed Description of the Drawings
    The improved cosmetic dispenser will be described with reference to the drawings. A prior art dispenser is shown in Figure 1. There is shown dispenser 10 having a barrel 12, an adapter 14, temporary closure 16 and permanent closure 18. The adapter has a curved upper edge 15 and the temporary closure has a top wall 21 and a grip 22. At the base of the barrel is screw 20 which by means of a cooperating elevator raises cosmetic 24 upwards for dispensing. The adapter 14 has a sidewall 17 which conformingly fits over wall 26 of the barrel. Flange 28 of the barrel provides a seat for both the adapter 14 and the permanent closure 18.
    In the preferred assembly of the prior art dispenser the adapter is fitted down into the upper part of the barrel 12. This is latched onto the barrel. The temporary closure then is put into place onto the adapter followed by the permanent closure. The barrel then is inverted and filled with a cosmetic from the bottom and the screw 20 and attached elevator assembly snapped into place in the bottom of the barrel. The cosmetic cools and sets. The temporary closure remains with the dispenser until used. Then the permanent closure is removed, the temporary closure removed and discarded, and a portion of the cosmetic dispensed. After dispensing, the permanent closure is put into place to close the dispenser.
    In a further embodiment the adapter 14 is fitted into place and the screw 20 with the attached elevator snapped into place. The barrel then is top filled with cosmetic, the temporary closure put into place followed by the permanent closure. The dispenser then is inverted while the cosmetic is flowable so that the cosmetic will have the shape of the wall 21 of the temporary closure 16. This is the fill and flip technique.
    Figure 2 shows dispenser 30 with barrel 32, adapter 34 and permanent closure 36. The barrel has screw 40 at the base which is attached to an elevator assembly which supports the cosmetic 44. The adapter 34 has a curved edge 35, top wall 42 and sidewall 37. A grip tab 38 provides a way to remove the top wall 42 by severing the top wall 42 at a junction 39 with the sidewall 37. At this junction the top wall is thinned by a score line. The adapter conformingly fits over wall 46 and seats against flange 48. The closure 36 when in place also seats against flange 48. As with the prior art dispenser this dispenser can be bottom filled by fitting the adapter onto the barrel and optionally putting the permanent closure in place. The dispenser is inverted and bottom filled, with the cosmetic set by cooling while the dispenser is inverted. An elevator and screw assembly then is inserted. The set cosmetic will have a shape of the inner surface of the top wall of the adapter.
    The dispenser also can be top filled by placing the screw and elevator assembly in the barrel, filling the barrel with the cosmetic through the top, fitting the adapter into place, optionally attaching the permanent closure, inverting the dispenser and maintaining it inverted until the cosmetic has set. In this way the cosmetic upper surface will have the shape of the inner surface of the top wall of the adapter.
    Figures 3 to 5 disclose the opening of the dispenser of Figure 2. In Figure 3 the permanent closure 36 is shown removed. In Figure 4 the grip 38 is shown as raised and the top wall 42 partially removed. In Figure 5 the top wall 42 is shown almost fully removed and the cosmetic 44 exposed. Upon full removal of top wall 42 the cosmetic dispenser is ready for use.
    Figure 6 discloses an embodiment where the top wall 64 is an integral part of the dispenser 60. That is, it is an integrally molded to wall 52 of the barrel rather than a part of an adapter. In this embodiment the dispenser only can be bottom filled with a cosmetic.
    The dispensers of this invention can be molded from any injection moldable plastic. These plastics include the polyolefins which, in turn, include polyethylene, polypropylenes, polybutadienes and mixtures of these plastics.
    The preferred molding technique to be used is injection molding. These are known techniques for molding the parts for this type of a dispenser.
    In the embodiment where the adapter is a separate piece from the barrel both the adapter and barrel are made separately in a single injection molding shot. However, a convenient technique to make the one piece barrel, curved edge and seal is to use a two shot injection molding technique with the barrel made in one shot and the curved edge and seal in a second shot. These are the most convenient techniques to make this dispenser.

    Claims (19)

    1. A positively sealed cosmetic dispenser (30) comprising a cap closure (36) and a barrel (32) for containing said cosmetic, said barrel (32) closed at one end by a screw elevator assembly and being openable at another end, said another end being closed by said cap closure (36), characterized in that there is an adapter (34) closing an upper end of said barrel (32), said adapter comprising a sidewall (37) with an upper curved edge (35) and a top wall (42) integrally connected to an upper part of said sidewall (37) inwardly of said curved edge (35) and, said top wall (42) having a weakened region at a junction (39) with the curved edge (35) of said sidewall (37) and a gripping structure (38) attached to said top wall (42) for the removal of said top wall (42), whereby to open said cosmetic dispenser (30) the cap closure (36) is removed by being pulled away from the barrel (32) to expose said closing adapter (34), gripping said gripping structure (38) and removing said top wall (42) to expose said contained cosmetic contained within the curved edge (35).
    2. A cosmetic dispenser (30) as in claim 1 wherein top end of said barrel 32 has a radius to form a convex curved top edge (35).
    3. A cosmetic dispenser (30) as in claim 1 wherein said easy open closing adapter (34) at the curved top edge (35) of said barrel (32) has a radius.
    4. A cosmetic dispenser (30) as in claim 1 wherein said weakened region (39) is thinned region.
    5. A cosmetic dispenser (30) as in claim 1 wherein said weakened region (39) is a score line.
    6. A cosmetic dispenser (30) as in claim 1 wherein said gripping structure (38) is a loop.
    7. A cosmetic dispenser (30) as in claim 1 wherein said top wall (42) is integral with said adapter sidewall (37) and is formed integrally with said adapter sidewall (37).
    8. A cosmetic dispenser (30) as in claim 7 wherein top end of said adapter sidewall (37) has a radius to form a convex curved top edge (35).
    9. A cosmetic dispenser (30) as in claim 7 wherein said easy open closing adapter (34) at the curved top edge (35) of said barrel (32) has a radius.
    10. A cosmetic dispenser (30) as in claim 7 wherein said weakened region (39) is thinned region.
    11. A cosmetic dispenser (30) as in claim 7 wherein said weakened region (39) is a score line.
    12. A cosmetic dispenser (30) as in claim 7 wherein said gripping structure (38) is a loop.
    13. A cosmetic dispenser (30) as in claim 1 wherein said barrel (32) has an overlaying adapter sidewall (37) at said another end, said overlaying adapter sidewall (37) closed by said top wall (42).
    14. A cosmetic dispenser (30) as in claim 13 wherein a junction of said overlaying adapter sidewall (37) and said top wall (42) has a radius.
    15. A cosmetic dispenser (30 )as in claim 13 wherein a top end of said adapter sidewall (37) has a radius to form a convex curved top edge.
    16. A cosmetic dispenser (30) as in claim 13 wherein said easy open closing adapter (34) at the curved top edge (35) of said barrel (12) has a radius.
    17. A cosmetic dispenser (30) as in claim 13 wherein said weakened region (39) is thinned region.
    18. A cosmetic dispenser (30) as in claim 13 wherein said weakened region (39) is a score line.
    19. A cosmetic dispenser (30) as in claim 13 wherein said gripping structure (38) is a loop.
    EP01979289A 2000-09-20 2001-09-20 Sealed cosmetic dispenser with easy open closure Expired - Lifetime EP1318733B1 (en)

    Applications Claiming Priority (5)

    Application Number Priority Date Filing Date Title
    US66585400A 2000-09-20 2000-09-20
    US665854 2000-09-20
    US729931 2000-12-05
    US09/729,931 US6419412B1 (en) 2000-09-20 2000-12-05 Positively sealed cosmetic dispenser
    PCT/US2001/030111 WO2002024024A2 (en) 2000-09-20 2001-09-20 Sealed cosmetic dispenser with easy open closure

    Publications (2)

    Publication Number Publication Date
    EP1318733A2 EP1318733A2 (en) 2003-06-18
    EP1318733B1 true EP1318733B1 (en) 2004-03-03

    Family

    ID=27099309

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP01979289A Expired - Lifetime EP1318733B1 (en) 2000-09-20 2001-09-20 Sealed cosmetic dispenser with easy open closure

    Country Status (8)

    Country Link
    EP (1) EP1318733B1 (en)
    AT (1) ATE260584T1 (en)
    AU (2) AU2002211267B2 (en)
    BR (1) BR0113988B1 (en)
    CA (1) CA2422821C (en)
    DE (1) DE60102250T2 (en)
    MX (1) MXPA03002354A (en)
    WO (1) WO2002024024A2 (en)

    Families Citing this family (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    MX354228B (en) 2012-11-16 2018-02-19 Colgate Palmolive Co Stick product dispensing system:.

    Family Cites Families (7)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    SE453820B (en) * 1983-03-22 1988-03-07 Haustrup Plastic As REMOVABLE CONTAINER
    US4890944A (en) * 1983-12-27 1990-01-02 Bristol-Myers Company Container and delivery system for stick compositions
    CA1332584C (en) 1988-02-08 1994-10-18 Joseph E. Fattori Stick package with applicator surface
    US4950094A (en) * 1989-07-26 1990-08-21 The Gillette Company Cosmetic dispenser and method
    NZ233331A (en) * 1990-04-12 1992-09-25 Tubepack Ltd Lipstick dispenser
    AU670918B2 (en) * 1991-09-16 1996-08-08 Procter & Gamble Company, The Fill/invert package with specialized sealing, non-flow-through elevator system
    US5753212A (en) * 1996-09-16 1998-05-19 The Gillette Company Method of filling dispenser

    Also Published As

    Publication number Publication date
    DE60102250T2 (en) 2005-04-28
    AU1126702A (en) 2002-04-02
    ATE260584T1 (en) 2004-03-15
    BR0113988B1 (en) 2011-02-22
    CA2422821A1 (en) 2002-03-28
    EP1318733A2 (en) 2003-06-18
    MXPA03002354A (en) 2003-06-30
    BR0113988A (en) 2003-07-22
    AU2002211267B2 (en) 2006-06-01
    WO2002024024A3 (en) 2002-06-13
    WO2002024024A2 (en) 2002-03-28
    DE60102250D1 (en) 2004-04-08
    CA2422821C (en) 2009-11-03

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