US20050167297A1 - Easy-open closure for container and method of use - Google Patents

Easy-open closure for container and method of use Download PDF

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Publication number
US20050167297A1
US20050167297A1 US10/768,233 US76823304A US2005167297A1 US 20050167297 A1 US20050167297 A1 US 20050167297A1 US 76823304 A US76823304 A US 76823304A US 2005167297 A1 US2005167297 A1 US 2005167297A1
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United States
Prior art keywords
plunger member
container
container according
easy open
closure
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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.)
Abandoned
Application number
US10/768,233
Inventor
Emanuel Shenkar
James Martin
Miles Wan
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.)
Obrist Closures Switzerland GmbH
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Individual
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 Individual filed Critical Individual
Priority to US10/768,233 priority Critical patent/US20050167297A1/en
Assigned to CROWN PACKAGING TECHNOLOGY INC. reassignment CROWN PACKAGING TECHNOLOGY INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: WAN, MILES, MARTIN, JAMES L., SHENKAR, EMANUEL
Priority to PCT/EP2005/050020 priority patent/WO2005075517A2/en
Publication of US20050167297A1 publication Critical patent/US20050167297A1/en
Assigned to CROWN OBRIST GMBH reassignment CROWN OBRIST GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CROWN PACKAGING TECHNOLOGY, INC.
Abandoned legal-status Critical Current

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Classifications

    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/10—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having frangible closures
    • B65D47/106—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having frangible closures with devices for removing frangible parts of the pouring element or of its closure

Definitions

  • This invention relates broadly to the field of packaging technology. More specifically, this invention relates to an improved closure for a container that is particularly adapted for use by the disabled and the elderly.
  • Conventional mating closure caps and bottle finish structures for carbonated beverage containers typically utilize a screw type or threaded arrangement between the closure cap and the finish portion.
  • These types of screw caps are mass produced by injection or compression molding and have achieved commercial success mainly in the soft drink industry, where they are applied robotically to the finish portions of filled soft drink bottles on rapidly moving filling lines.
  • closures that are particularly popular in the packaging of bottled water and sports drinks have a built-in pouring spout that makes it easy to drink directly from the bottle after opening. It is typical for such closures to incorporate a valve element that is actuated by pulling a movable member upwardly in order to permit the contents of the container to be dispensed.
  • an easy open closure for a container that is constructed according to one aspect of the invention includes a main body portion that is adapted to be secured to a container, the main body portion having sealing structure that is positioned to prevent fluid from the container from escaping from the container through the main body portion; and a plunger member mounted for movement within the main body portion, the plunger member having a pouring opening and a passage defined therein that is in communication with both the pouring opening and a space within the main body portion that is defined in part by said sealing structure, and wherein the plunger member is movable between a first position and a second position wherein the sealing structure is breached, thereby permitting fluid from the container to flow through the passage to the pouring opening.
  • a method of opening a closure for a container includes steps of removing protective structure that prevents the depression of a plunger member; depressing the plunger member; and dispensing liquid from the container through a passage that is defined in the plunger member.
  • FIG. 1 is an isometric view of a closure that is constructed according to a preferred embodiment of the invention, shown in a first operative position;
  • FIG. 2 is an isometric view of the closure that is depicted in FIG. 1 , showing a second operative position;
  • FIG. 3 is a fragmentary isometric view depicting one component of the closure that is shown in FIGS. 1 and 2 ;
  • FIG. 4 is an isometric view depicting another component of the closure that is shown in FIGS. 1 and 2 .
  • an easy open closure 10 is constructed and arranged to be mounted on to a container 12 in order to seal an opening 14 of the container 12 .
  • Easy open closure 10 according to the preferred embodiment of the invention includes a main body portion 16 having an outer surface 18 that is shaped and sized to seal against the structure of the container 12 that defines the opening 14 . In the illustrated embodiment, this is achieved as an interference fit between the main body portion 18 and the container 12 .
  • sealing structure 20 is provided within the main body portion 16 for sealing the opening 14 of the container 12 when the closure 10 is mounted to the container 12 .
  • sealing structure 20 is embodied as a molded panel 22 that is integrally molded with the rest of the main body portion 16 and that provides a barrier that will stop fluid from within the container 12 from entering the space that is defined within the interior of main body portion 16 .
  • One or more areas of weakness may be provided in the sealing structure 20 .
  • an area of weakness is created by an arcuate score 24 that is defined in the lower surface of the molded panel 22 at a location that is near the juncture of the molded panel 22 and a circumferential outer wall of the main body portion 16 that defines the outer surface 18 .
  • the space that is defined within the interior of the main body portion 16 is delimited by a relatively smooth cylindrically shaped inner surface 25 that has a plurality of longitudinally extending grooves 26 defined therein.
  • An annular recess 28 is defined in an upper end of the main body portion 16 immediately above the cylindrically shaped inner wall 25 .
  • Annular recess 28 is characterized by having a relatively flat upper surface 29 that is molded so as to be as smooth as possible.
  • a plunger member 30 is mounted for longitudinal movement with respect to the main body portion 16 of the closure 10 .
  • plunger member 30 is shown in a first operative position with respect to the main body portion 16 that is characterized by the flat upper surface 44 of the plunger member 30 being substantially elevated with respect to the flat upper surface 29 of the annular recess 28 of the main body portion 16 .
  • plunger member 30 has a pouring opening 32 defined in the upper surface 44 thereof that is in communication with an internal passage defined by walls 34 that in turn is in communication with a space that is defined on a lower end of the plunger member 30 .
  • a force concentration member 36 is provided on the lower end of the plunger member 30 for exerting force on the sealing structure 20 when the plunger is depressed, as will be described in greater detail below.
  • Force concentration member 36 is preferably embodied as a tapered projection 38 terminating in a pressure tip 40 that is adapted to bear against molded panel 22 in area adjacent to the score 24 when the plunger member 30 is depressed.
  • the relatively flat upper surface 44 of the plunger member 30 is relatively smooth and expansive, making it is easy as possible for a disabled person to exert downward pressure on the upper surface 44 when it is desired to open the easy open closure 10 .
  • relatively flat upper surface 44 preferably has a surface area of at least 0.5 square inches and more preferably a surface area of at least 0.75 square inches.
  • Flat upper surface 44 is preferably substantially circular in shape and has a circumferential outer rim 46 and a relatively flat lower surface 48 that is molded to be as smooth as possible so as to create a good seal against the upper surface 29 of the annular recess 28 when the plunger member 30 has been completely depressed.
  • releasable protective structure 50 In order to open the easy open closure 10 , a disabled person will first disengage releasable protective structure 50 that is provided to prevent accidental depression of the plunger member 30 .
  • releasable protective structure 50 is embodied as a cover member 52 having an oversized thumb tab 54 that is hingedly mounted to the main body portion 16 by a hinge member 56 .
  • cover member 52 and hinge member 56 are integrally molded together with the main body portion 16 . Accordingly, a disabled consumer will engage the oversized thumb tab 54 and lift the cover member 52 to the position in which it is shown in FIG. 1 .
  • the disabled consumer will then press down on the flat upper surface 44 of the plunger member 30 , thereby forcing the pressure tip 40 against the molded panel 22 in the area of the score 24 . This will cause rupture of the molded panel 22 , and the molded panel 22 will continue to tear along the score line 24 until the plunger member 30 is completely depressed so that the underside 48 of the plunger member 30 is sealed together in contact with the flat surface 29 and the outer rim 46 of the plunger member 30 is seated within the annular recess 28 of the main body portion 16 , as is illustrated in FIG. 2 .
  • the second openings 42 that are defined in the distal end of the force concentration member 36 will be positioned beneath the ruptured molded panel 22 into the container 12 , thereby ensuring reliable communication between the passageway 34 and the interior of the container 12 .
  • the disabled consumer will then be able to pour or drink directly from the closure 10 .
  • the closure 10 may then be resealed to some extent by closing the cover member 52 .

Abstract

An improved easy open closure for a container that is particularly adapted for use by the disabled includes a plunger member having a passage defined therein that is constructed and arranged to be depressed with respect to a main body portion of the closure in order to breach a seal in order to place the passage in communication with the contents of the container. Structure may be provided for preventing access to or movement of the plunger member until opening of the closure is desired. A method of using an easy open closure is also disclosed.

Description

    BACKGROUND OF THE INVENTION
  • 1. Field of the Invention
  • This invention relates broadly to the field of packaging technology. More specifically, this invention relates to an improved closure for a container that is particularly adapted for use by the disabled and the elderly.
  • 2. Description of the Related Technology
  • Conventional mating closure caps and bottle finish structures for carbonated beverage containers typically utilize a screw type or threaded arrangement between the closure cap and the finish portion. These types of screw caps are mass produced by injection or compression molding and have achieved commercial success mainly in the soft drink industry, where they are applied robotically to the finish portions of filled soft drink bottles on rapidly moving filling lines.
  • One type of closure that is particularly popular in the packaging of bottled water and sports drinks has a built-in pouring spout that makes it easy to drink directly from the bottle after opening. It is typical for such closures to incorporate a valve element that is actuated by pulling a movable member upwardly in order to permit the contents of the container to be dispensed.
  • Unfortunately, it requires a fair amount of dexterity and physical strength to operate such closures. This makes it difficult for the disabled to use such closures. A need exists to provide an easy open closure for a container that is more suited for use by the disabled than our conventional easy open closures.
    • SUMMARY OF THE INVENTION
  • Accordingly, it is an object of the invention to provide an easy open closure for a container that is more suited for use by the disabled then are conventional easy open closures.
  • In order to achieve the above and other objects of the invention, an easy open closure for a container that is constructed according to one aspect of the invention includes a main body portion that is adapted to be secured to a container, the main body portion having sealing structure that is positioned to prevent fluid from the container from escaping from the container through the main body portion; and a plunger member mounted for movement within the main body portion, the plunger member having a pouring opening and a passage defined therein that is in communication with both the pouring opening and a space within the main body portion that is defined in part by said sealing structure, and wherein the plunger member is movable between a first position and a second position wherein the sealing structure is breached, thereby permitting fluid from the container to flow through the passage to the pouring opening.
  • According to a second aspect of the invention, a method of opening a closure for a container includes steps of removing protective structure that prevents the depression of a plunger member; depressing the plunger member; and dispensing liquid from the container through a passage that is defined in the plunger member.
  • These and various other advantages and features of novelty that characterize the invention are pointed out with particularity in the claims annexed hereto and forming a part hereof. However, for a better understanding of the invention, its advantages, and the objects obtained by its use, reference should be made to the drawings which form a further part hereof, and to the accompanying descriptive matter, in which there is illustrated and described a preferred embodiment of the invention.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is an isometric view of a closure that is constructed according to a preferred embodiment of the invention, shown in a first operative position;
  • FIG. 2 is an isometric view of the closure that is depicted in FIG. 1, showing a second operative position;
  • FIG. 3 is a fragmentary isometric view depicting one component of the closure that is shown in FIGS. 1 and 2; and
  • FIG. 4 is an isometric view depicting another component of the closure that is shown in FIGS. 1 and 2.
    • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT(S)
  • Referring now to the drawings, wherein like reference numerals designate corresponding structure throughout the views, and referring in particular to FIG. 1, an easy open closure 10 is constructed and arranged to be mounted on to a container 12 in order to seal an opening 14 of the container 12. Easy open closure 10 according to the preferred embodiment of the invention includes a main body portion 16 having an outer surface 18 that is shaped and sized to seal against the structure of the container 12 that defines the opening 14. In the illustrated embodiment, this is achieved as an interference fit between the main body portion 18 and the container 12. Alternatively, there could be a screw type connection between the main body portion 16 and the container 12 or the two components could be fused or molded together and still be within the spirit of the invention.
  • Referring briefly to FIG. 3, which provides a fragmentary perspective view of the main body portion 16, it will be seen that sealing structure 20 is provided within the main body portion 16 for sealing the opening 14 of the container 12 when the closure 10 is mounted to the container 12. In the illustrated embodiment, sealing structure 20 is embodied as a molded panel 22 that is integrally molded with the rest of the main body portion 16 and that provides a barrier that will stop fluid from within the container 12 from entering the space that is defined within the interior of main body portion 16. One or more areas of weakness may be provided in the sealing structure 20. In the illustrated embodiment, an area of weakness is created by an arcuate score 24 that is defined in the lower surface of the molded panel 22 at a location that is near the juncture of the molded panel 22 and a circumferential outer wall of the main body portion 16 that defines the outer surface 18. The space that is defined within the interior of the main body portion 16 is delimited by a relatively smooth cylindrically shaped inner surface 25 that has a plurality of longitudinally extending grooves 26 defined therein. An annular recess 28 is defined in an upper end of the main body portion 16 immediately above the cylindrically shaped inner wall 25. Annular recess 28 is characterized by having a relatively flat upper surface 29 that is molded so as to be as smooth as possible.
  • Referring again to FIG. 1, it will be seen that a plunger member 30 is mounted for longitudinal movement with respect to the main body portion 16 of the closure 10. In FIG. 1, plunger member 30 is shown in a first operative position with respect to the main body portion 16 that is characterized by the flat upper surface 44 of the plunger member 30 being substantially elevated with respect to the flat upper surface 29 of the annular recess 28 of the main body portion 16. As is perhaps best shown in FIG. 4, plunger member 30 has a pouring opening 32 defined in the upper surface 44 thereof that is in communication with an internal passage defined by walls 34 that in turn is in communication with a space that is defined on a lower end of the plunger member 30. A force concentration member 36 is provided on the lower end of the plunger member 30 for exerting force on the sealing structure 20 when the plunger is depressed, as will be described in greater detail below. Force concentration member 36 is preferably embodied as a tapered projection 38 terminating in a pressure tip 40 that is adapted to bear against molded panel 22 in area adjacent to the score 24 when the plunger member 30 is depressed. As may be seen in FIG. 4, the relatively flat upper surface 44 of the plunger member 30 is relatively smooth and expansive, making it is easy as possible for a disabled person to exert downward pressure on the upper surface 44 when it is desired to open the easy open closure 10. To this end, relatively flat upper surface 44 preferably has a surface area of at least 0.5 square inches and more preferably a surface area of at least 0.75 square inches. Flat upper surface 44 is preferably substantially circular in shape and has a circumferential outer rim 46 and a relatively flat lower surface 48 that is molded to be as smooth as possible so as to create a good seal against the upper surface 29 of the annular recess 28 when the plunger member 30 has been completely depressed.
  • In order to open the easy open closure 10, a disabled person will first disengage releasable protective structure 50 that is provided to prevent accidental depression of the plunger member 30. In the preferred embodiment, releasable protective structure 50 is embodied as a cover member 52 having an oversized thumb tab 54 that is hingedly mounted to the main body portion 16 by a hinge member 56. Preferably, cover member 52 and hinge member 56 are integrally molded together with the main body portion 16. Accordingly, a disabled consumer will engage the oversized thumb tab 54 and lift the cover member 52 to the position in which it is shown in FIG. 1. The disabled consumer will then press down on the flat upper surface 44 of the plunger member 30, thereby forcing the pressure tip 40 against the molded panel 22 in the area of the score 24. This will cause rupture of the molded panel 22, and the molded panel 22 will continue to tear along the score line 24 until the plunger member 30 is completely depressed so that the underside 48 of the plunger member 30 is sealed together in contact with the flat surface 29 and the outer rim 46 of the plunger member 30 is seated within the annular recess 28 of the main body portion 16, as is illustrated in FIG. 2. In this position, the second openings 42 that are defined in the distal end of the force concentration member 36 will be positioned beneath the ruptured molded panel 22 into the container 12, thereby ensuring reliable communication between the passageway 34 and the interior of the container 12. The disabled consumer will then be able to pour or drink directly from the closure 10. The closure 10 may then be resealed to some extent by closing the cover member 52.
  • It is to be understood, however, that even though numerous characteristics and advantages of the present invention have been set forth in the foregoing description, together with details of the structure and function of the invention, the disclosure is illustrative only, and changes may be made in detail, especially in matters of shape, size and arrangement of parts within the principles of the invention to the full extent indicated by the broad general meaning of the terms in which the appended claims are expressed.

Claims (19)

1. An easy open closure for a container, comprising:
a main body portion that is adapted to be secured to a container, said main body portion having sealing means that is positioned to prevent fluid from the container from escaping from the container through said main body portion;
a plunger member mounted for movement within said main body portion, said plunger member having a pouring opening and a passage defined therein that is in communication with both said pouring opening and a space within said main body portion that is defined in part by said sealing means, and wherein said plunger member is movable between a first position and a second position wherein said sealing means is breached, thereby permitting fluid from the container to flow through said passage to said pouring opening.
2. An easy open closure for a container according to claim 1, wherein said sealing means is integrally molded with said main body portion.
3. An easy open closure for a container according to claim 2, wherein said sealing means has a pre-weakened area defined therein that is adapted to be contacted by said plunger member when said plunger member is moved from said first position to said second position.
4. An easy open closure for a container according to claim 1, wherein said plunger member comprises a force concentration member for exerting pressure on said sealing means when said plunger member is moved from said first position to said second position.
5. An easy open closure for a container according to claim 4, wherein said force concentration member comprises a tapered projection that is constructed and arranged to pierce said sealing means when said plunger member is moved from said first position to said second position.
6. An easy open closure for a container according to claim 4, wherein said passage is defined in part within said force concentration member.
7. An easy open closure for a container according to claim 6, further comprising a second opening defined at a distal end of said force concentration member, said second opening being in communication with said passage, and wherein said distal end of said force concentration member is configured to extend beyond said sealing means into said container when said plunger member is in said second position.
8. An easy open closure for a container according to claim 1, wherein said plunger member has a relatively flat upper surface, whereby a consumer who is physically handicapped will be more likely to be able to depress said plunger member in order to move said plunger member from said first position to said second position.
9. An easy open closure for a container according to claim 1, wherein said plunger member is constructed and arranged to seal against said main body portion so that no fluid from the container may escape through the closure when the plunger is in the second position other than through said passage in said pouring opening.
10. An easy open closure for a container according to claim 1, wherein said main body portion is molded from a plastic material.
11. An easy open closure for a container according to claim 1, wherein said plunger is molded from a plastic material.
12. An easy open closure for a container according to claim 1, further comprising releasable protective means for selectively preventing depression of said plunger from said first position to said second position.
13. An easy open closure for a container according to claim 12, wherein said releasable protective means comprises a cover member that is adapted to be fitted on to said main body portion.
14. An easy open closure for a container according to claim 13, wherein said cover member is hingedly mounted to said main body portion.
15. An easy open closure for a container according to claim 14, wherein said cover member is integrally molded with said main body portion.
16. A method of opening a closure for a container, comprising:
(a) removing protective structure that prevents the depression of a plunger member;
(b) depressing the plunger member; and
(c) dispensing liquid from the container through a passage that is defined in the plunger member.
17. A method of opening a closure for a container according to claim 16, wherein said step of removing protective structure comprises lifting a cover member in order to expose an upper portion of the plunger member.
18. A method of opening a closure for a container according to claim 16, wherein said step of depressing the plunger member is performed by exerting a downward force on a relatively flat upper surface of the plunger member.
19. A method of opening a closure for a container according to claim 16, wherein said step of depressing the plunger member includes actuating the plunger member to breach a sealing structure that would otherwise present dispensing of liquid from the container.
US10/768,233 2004-01-30 2004-01-30 Easy-open closure for container and method of use Abandoned US20050167297A1 (en)

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US20170225852A1 (en) * 2014-10-24 2017-08-10 Melodian Co., Ltd. Container with spout and manufacturing method therefor
US10737852B2 (en) * 2014-10-24 2020-08-11 Melodian Co., Ltd. Container with spout and manufacturing method therefor

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WO2005075517A3 (en) 2005-10-27

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