WO2005014428A1 - Container assembly for blending contents kept separately by removing cap - Google Patents

Container assembly for blending contents kept separately by removing cap Download PDF

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Publication number
WO2005014428A1
WO2005014428A1 PCT/KR2004/001993 KR2004001993W WO2005014428A1 WO 2005014428 A1 WO2005014428 A1 WO 2005014428A1 KR 2004001993 W KR2004001993 W KR 2004001993W WO 2005014428 A1 WO2005014428 A1 WO 2005014428A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
mouth
peripheral surface
cap
outer container
Prior art date
Application number
PCT/KR2004/001993
Other languages
French (fr)
Inventor
Cheong-Gyun Kim
Original Assignee
Cheong-Gyun Kim
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 Cheong-Gyun Kim filed Critical Cheong-Gyun Kim
Publication of WO2005014428A1 publication Critical patent/WO2005014428A1/en

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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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
    • B65D51/28—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials
    • B65D51/2807—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials the closure presenting means for placing the additional articles or materials in contact with the main contents by acting on a part of the closure without removing the closure, e.g. by pushing down, pulling up, rotating or turning a part of the closure, or upon initial opening of the container
    • B65D51/2857—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials the closure presenting means for placing the additional articles or materials in contact with the main contents by acting on a part of the closure without removing the closure, e.g. by pushing down, pulling up, rotating or turning a part of the closure, or upon initial opening of the container the additional article or materials being released by displacing or removing an element enclosing it
    • B65D51/2885—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials the closure presenting means for placing the additional articles or materials in contact with the main contents by acting on a part of the closure without removing the closure, e.g. by pushing down, pulling up, rotating or turning a part of the closure, or upon initial opening of the container the additional article or materials being released by displacing or removing an element enclosing it the element being the auxiliary container falling into the main container; the additional article or materials in solid block form falling into the main container
    • 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
    • B65D39/00—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
    • B65D39/08—Threaded or like closure members secured by rotation; Bushes therefor
    • 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/0471—Threaded or like caps or cap-like covers secured by rotation with means for positioning the cap on the container, or for limiting the movement of the cap, or for preventing accidental loosening of the cap
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/3216—Rigid containers disposed one within the other
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0006—Upper closure
    • B65D2251/0015—Upper closure of the 41-type
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0068—Lower closure
    • B65D2251/0075—Lower closure of the 39-type

Definitions

  • the present invention relates to a dual container assembly enabling contents contained separately therein to be blended when a cap is removed, and more particularly, to a dual container assembly in which upon removal of a cap, an inner container received in an outer container is separated from the cap and spontaneously falls down so that contents contained in the inner container can be blended with contents contained in the outer container.
  • Korean Utility Model Registration Publication No. 20-0259252 discloses a dual container assembly comprising a first container, a second container received in the first container, and one cap for sealing the first container, thereby separately containing two kinds of contents, as shown in Fig. 3.
  • male threads la are formed on an outer peripheral surface of a mouth of the first container 1
  • female threads 2a are formed on an inner peripheral surface of a mouth of the second container 2.
  • the cap 3 is formed with two concentric cylinders that have thread portions 3a and 3b for engaging with the threads of the first and second containers.
  • the different contents contained separately in the first and second containers are hermetically contained,, therein while being isolated from each other by means of a donut-shaped lining member 4 attached to the cap 3.
  • a donut-shaped lining member 4 attached to the cap 3.
  • the cap 3 when the cap 3 is unscrewed and opened, the second container 2 is removed from the first container 1 together with the cap 3 in a state where the second container 2 is not separated from the cap 3.
  • the conventional dual container assembly has inconvenience in that the second container 2 should be additionally separated from the cap 3, the mouth of the second container 2 should be aligned with the mouth of the first container 1, and the contents of the second container should be poured into the first container.
  • An object of the present invention is to provide a dual container assembly, wherein upon removal of a cap, an inner container fixed to the cap is spontaneously separated from the cap and falls down into an outer container so that contents separately contained in the inner and outer containers can be blended with each other.
  • Another object of the present invention is to provide a dual container assembly which comprises a rotation-preventing means for preventing an inner container from rotating relatively with respect to an outer container when a cap formed with threads is removed.
  • a dual container assembly comprises an outer container having a mouth formed with male threads on an outer peripheral surface of the mouth; an inner container that has a mouth formed with female threads on an inner peripheral surface of the mouth and is inserted into and placed in the mouth of the outer container such that the mouth of the inner container is directed to the mouth of the outer container; a cap hermetically fixed to the outer container by causing female threads formed on an inner peripheral surface thereof to be engaged with the male threads formed on the outer peripheral surface of the outer container; and a sealing member including a disc-shaped fixing portion coupled to an inner surface of the cap, and an insertion portion extending from the fixing portion and having male threads formed on an outer peripheral surface thereof to be engaged with the female threads formed on the inner peripheral surface of the inner container.
  • a rotation-preventing means is formed on the inner peripheral surface of the mouth of the outer container and the outer peripheral surface of the mouth of the inner container to prevent rotation of the inner container.
  • at least one longitudinal groove is formed on the inner peripheral surface of the mouth of the outer container, and a protrusion is formed at a position on the outer peripheral surface of the mouth of the inner container corresponding to the position of the groove of the outer container such that the protrusion can be received in the groove.
  • the groove may be formed on the outer peripheral surface of the mouth of the inner container, and the protrusion may be formed at a position on the inner peripheral surface of the mouth of the outer container.
  • a dual container assembly comprises an outer container having a mouth formed with a radially protruding annular protrusion; an inner container inserted into and placed in the mouth of the outer container such that the mouth of the inner container is directed to the mouth of the outer container; a cap hermetically secured on the annular protrusion formed at the mouth of the outer container; and a sealing member that includes a disc-shaped fixing portion coupled to an inner surface of the cap, and an insertion portion extending from the fixing portion and is inserted into and hermetically coupled to the mouth of the inner container.
  • annular ridge is preferably formed on the inner peripheral surface of the mouth of the inner container, and an annular groove is preferably formed at a position of an outer peripheral surface of the insertion portion of the sealing member corresponding to the position of the annular ridge of the inner container.
  • annular protrusion is formed on the inner container and the annular groove corresponding to the annular protrusion on the insertion portion of the sealing member.
  • Fig. 1 is an exploded perspective view of an embodiment of a container assembly according to one aspect of the present invention.
  • Fig. 2 is an exploded perspective view of an embodiment of a container assembly according to another aspect of the present invention.
  • Fig. 3 is a schematic sectional view of a conventional container for storing two kinds of contents.
  • Fig. 1 is an exploded perspective view of an embodiment of a container assembly according to one aspect of the present invention.
  • a dual container assembly of this embodiment of the present invention comprise an outer container 10, an inner container 20 received in the outer container, a sealing member 30 for sealing contents contained in the outer and inner containers 10 and 20, and a cap 40 fixed to a mouth of the outer container 10.
  • the outer container 10 has a mouth 11 communicating with a content-containing space formed therein, and male threads 13 for threadly engaging with female threads formed on the cap 40 are formed on an outer peripheral surface of the mouth 11.
  • two longitudinal grooves 12 are formed on an inner peripheral surface of the mouth 11 of the outer container 10.
  • Female threads 23 are formed on an inner peripheral surface of a mouth 21 of the inner container 20.
  • An outer peripheral surface of the inner container is provided with longitudinal protrusions 22 at positions corresponding to those of the grooves 12 of the outer container 10.
  • the mouth 21 of the inner container 20 is arranged to be directed to the mouth 11 of the outer container 10.
  • the protrusions 22 are received in and assembled with the grooves 12 so as to function to prevent the inner container 20 from rotating relatively with respect to the outer container 10 when the cap 40 is unscrewed and removed. Further, this structure serves to guide spontaneous falling of the inner container 20 into the outer container 10 when the sealing member 30 fixedly attached to the cap 40 is separated from the inner container.
  • the sealing member 30 comprises a disc-shaped fixing portion 31 coupled to an inner surface of the cap 40 and an insertion portion 32 extending from the fixing portion 31.
  • the insertion portion 32 takes the shape of a cylinder and has an outer peripheral surface formed with male threads 33 thereon to engage with the female threads 23 formed on the inner peripheral surface of the mouth 21 of the inner container 20.
  • an outer diameter of the fixing portion 31 is smaller than that of the mouth 11 of the outer container 10 but larger than that of the mouth 21 of the inner container 20.
  • the cylindrical extension portion 41 of the cap 40 has an inner peripheral surface formed with female threads 42 to engage with the male threads 13 formed on the outer peripheral surface of the outer container 10.
  • the fixing portion 31 of the sealing member 30 is fixedly bonded to the inner surface of the cap 40.
  • the cap and the sealing member be molded out of synthetic resin or glass.
  • Fig. 2 is an exploded perspective view of an embodiment of a dual container assembly according to another aspect of the present invention.
  • a dual container assembly of this embodiment comprises an outer container 50, an inner container 60 received in the outer container, a sealing member 70 for sealing contents contained in the outer and inner containers 50 and 60, and a cap 80 fixed to a mouth of the outer container 50.
  • a radially protruding annular protrusion 52 is formed at a mouth 51 of the outer container 50.
  • a peripheral portion 81 of the cap 80 is pressed against and hermetically fixed to the protrusion 52 by means of a press or the like.
  • the sealing member 70 comprises a disc-shaped fixing portion 71 coupled to an inner surface of the cap 80, and an insertion portion 72 which extends from the fixing portion and is inserted into and hermetically coupled to the mouth of the inner container 60.
  • the sealing member can be made of cork or the like. It is preferred that the sealing member be made of resilient synthetic resin so that it can be inserted into the mouth of the inner container 60 to securely support the inner container 60 and can come into close contact with an inner peripheral surface of the inner container to ensure good sealing. It is preferred that the cap of this embodiment be made of metal material.
  • annular ridge 62 be formed at a proper position on the inner peripheral surface of the mouth of the inner container 60, and an annular groove 73 be formed at a position on an outer peripheral surface of the insertion portion 72 of the sealing member, which corresponds to the position of the annular ridge.
  • a dual container assembly in which upon removal of a cap of the container assembly, an inner container fixed to the cap is spontaneously separated from the cap and falls down into an outer container so that contents contained separately in the inner and outer containers can be conveniently blended with each other without any additional operations.
  • an inner container fixed to the cap is spontaneously separated from the cap and falls down into an outer container so that contents contained separately in the inner and outer containers can be conveniently blended with each other without any additional operations.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Package Specialized In Special Use (AREA)

Abstract

The present invention relates to a dual container assembly enabling contents contained separately therein to be blended when a cap is removed, and more particularly, to a dual container assembly in which upon removal of a cap, an inner container received in an outer container is separated from the cap and spontaneously falls down so that contents contained in the inner container can be blended with contents contained in the outer container. The dual container assembly of the present invention comprises an outer container having a mouth formed with male threads on an outer peripheral surface of the mouth; an inner container that has a mouth formed with female threads on an inner peripheral surface of the mouth and is inserted into and placed in the mouth of the outer container such that the mouth of the inner container is directed to the mouth of the outer container; a cap hermetically fixed to the outer container by causing female threads formed on an inner peripheral surface thereof to be engaged with the male threads formed on the outer peripheral surface of the outer container; and a sealing member including a disc-shaped fixing portion coupled to an inner surface of the cap, and an insertion portion extending from the fixing portion and having male threads formed on an outer peripheral surface thereof to be engaged with the female threads formed on the inner peripheral surface of the inner container. A rotation-preventing means is formed on the inner peripheral surface of the mouth of the outer container and the outer peripheral surface of the mouth of the inner container to prevent rotation of the inner container.

Description

CONTAINER ASSEMBLY FOR BLENDING CONTENTS KEEPED SEPARATELY BY REMOVING CAP
Technical field *, The present invention relates to a dual container assembly enabling contents contained separately therein to be blended when a cap is removed, and more particularly, to a dual container assembly in which upon removal of a cap, an inner container received in an outer container is separated from the cap and spontaneously falls down so that contents contained in the inner container can be blended with contents contained in the outer container.
Background Art Korean Utility Model Registration Publication No. 20-0259252 discloses a dual container assembly comprising a first container, a second container received in the first container, and one cap for sealing the first container, thereby separately containing two kinds of contents, as shown in Fig. 3. As shown in the figure, male threads la are formed on an outer peripheral surface of a mouth of the first container 1, and female threads 2a are formed on an inner peripheral surface of a mouth of the second container 2. Further, the cap 3 is formed with two concentric cylinders that have thread portions 3a and 3b for engaging with the threads of the first and second containers. The different contents contained separately in the first and second containers are hermetically contained,, therein while being isolated from each other by means of a donut-shaped lining member 4 attached to the cap 3. In such a conventional dual container assembly described above, when the cap 3 is unscrewed and opened, the second container 2 is removed from the first container 1 together with the cap 3 in a state where the second container 2 is not separated from the cap 3. Accordingly, in a case where the contents contained in the second container 2 are intended to be blended with the contents contained in the first container, the conventional dual container assembly has inconvenience in that the second container 2 should be additionally separated from the cap 3, the mouth of the second container 2 should be aligned with the mouth of the first container 1, and the contents of the second container should be poured into the first container. Moreover, when the contents of the second container 2 is poured into the first container 1, since a user should hold an outer peripheral surface of the second container 2 with his/her hand, there is a problem in that his/her hand is stained with a portion of the contents of the first container 1 which has been smeared on the outer peripheral surface of the second container 2.
Disclosure of Invention The present invention is conceived to solve the aforementioned problems of the conventional dual container assembly. An object of the present invention is to provide a dual container assembly, wherein upon removal of a cap, an inner container fixed to the cap is spontaneously separated from the cap and falls down into an outer container so that contents separately contained in the inner and outer containers can be blended with each other. Another object of the present invention is to provide a dual container assembly which comprises a rotation-preventing means for preventing an inner container from rotating relatively with respect to an outer container when a cap formed with threads is removed. A dual container assembly according to an aspect of the present invention comprises an outer container having a mouth formed with male threads on an outer peripheral surface of the mouth; an inner container that has a mouth formed with female threads on an inner peripheral surface of the mouth and is inserted into and placed in the mouth of the outer container such that the mouth of the inner container is directed to the mouth of the outer container; a cap hermetically fixed to the outer container by causing female threads formed on an inner peripheral surface thereof to be engaged with the male threads formed on the outer peripheral surface of the outer container; and a sealing member including a disc-shaped fixing portion coupled to an inner surface of the cap, and an insertion portion extending from the fixing portion and having male threads formed on an outer peripheral surface thereof to be engaged with the female threads formed on the inner peripheral surface of the inner container. A rotation-preventing means is formed on the inner peripheral surface of the mouth of the outer container and the outer peripheral surface of the mouth of the inner container to prevent rotation of the inner container. Preferably, as for the rotation-preventing means, at least one longitudinal groove is formed on the inner peripheral surface of the mouth of the outer container, and a protrusion is formed at a position on the outer peripheral surface of the mouth of the inner container corresponding to the position of the groove of the outer container such that the protrusion can be received in the groove. Of course, the groove may be formed on the outer peripheral surface of the mouth of the inner container, and the protrusion may be formed at a position on the inner peripheral surface of the mouth of the outer container. A dual container assembly according to another aspect of the present invention comprises an outer container having a mouth formed with a radially protruding annular protrusion; an inner container inserted into and placed in the mouth of the outer container such that the mouth of the inner container is directed to the mouth of the outer container; a cap hermetically secured on the annular protrusion formed at the mouth of the outer container; and a sealing member that includes a disc-shaped fixing portion coupled to an inner surface of the cap, and an insertion portion extending from the fixing portion and is inserted into and hermetically coupled to the mouth of the inner container. Further, in order to ensure firm coupling of the cap to the inner container, an annular ridge is preferably formed on the inner peripheral surface of the mouth of the inner container, and an annular groove is preferably formed at a position of an outer peripheral surface of the insertion portion of the sealing member corresponding to the position of the annular ridge of the inner container. Of course, it is possible to form the annular protrusion on the inner container and the annular groove corresponding to the annular protrusion on the insertion portion of the sealing member.
Brief Description of Drawings Fig. 1 is an exploded perspective view of an embodiment of a container assembly according to one aspect of the present invention. Fig. 2 is an exploded perspective view of an embodiment of a container assembly according to another aspect of the present invention. Fig. 3 is a schematic sectional view of a conventional container for storing two kinds of contents.
<Explanation of reference numerals for designating main components in the drawings> 10 : Outer container 11 : Mouth 12: Groove 20: Inner container 22: Protrusion 30: Sealing member 31: Fixing portion 32: Insertion portion 40: Cap 41: Extension portion
Best Mode for Carrying out the Invention Hereinafter, preferred embodiments of the present invention will be described in detail with reference to accompanying drawings. Fig. 1 is an exploded perspective view of an embodiment of a container assembly according to one aspect of the present invention. As shown in Fig. 1, a dual container assembly of this embodiment of the present invention comprise an outer container 10, an inner container 20 received in the outer container, a sealing member 30 for sealing contents contained in the outer and inner containers 10 and 20, and a cap 40 fixed to a mouth of the outer container 10. The outer container 10 has a mouth 11 communicating with a content-containing space formed therein, and male threads 13 for threadly engaging with female threads formed on the cap 40 are formed on an outer peripheral surface of the mouth 11. Further, two longitudinal grooves 12 are formed on an inner peripheral surface of the mouth 11 of the outer container 10. Female threads 23 are formed on an inner peripheral surface of a mouth 21 of the inner container 20. An outer peripheral surface of the inner container is provided with longitudinal protrusions 22 at positions corresponding to those of the grooves 12 of the outer container 10. In addition, the mouth 21 of the inner container 20 is arranged to be directed to the mouth 11 of the outer container 10. The protrusions 22 are received in and assembled with the grooves 12 so as to function to prevent the inner container 20 from rotating relatively with respect to the outer container 10 when the cap 40 is unscrewed and removed. Further, this structure serves to guide spontaneous falling of the inner container 20 into the outer container 10 when the sealing member 30 fixedly attached to the cap 40 is separated from the inner container. It is preferred that the outer and inner containers 10 and 20 be made of transparent synthetic resin or glass. The sealing member 30 comprises a disc-shaped fixing portion 31 coupled to an inner surface of the cap 40 and an insertion portion 32 extending from the fixing portion 31. The insertion portion 32 takes the shape of a cylinder and has an outer peripheral surface formed with male threads 33 thereon to engage with the female threads 23 formed on the inner peripheral surface of the mouth 21 of the inner container 20. In order to ensure perfect sealing, it is preferred that an outer diameter of the fixing portion 31 is smaller than that of the mouth 11 of the outer container 10 but larger than that of the mouth 21 of the inner container 20. The cylindrical extension portion 41 of the cap 40 has an inner peripheral surface formed with female threads 42 to engage with the male threads 13 formed on the outer peripheral surface of the outer container 10. When the cap 40 and the sealing member 30 are assembled with each other, the fixing portion 31 of the sealing member 30 is fixedly bonded to the inner surface of the cap 40. It is preferred that the cap and the sealing member be molded out of synthetic resin or glass. When the cap 40 of the dual container assembly of this embodiment, which has been assembled as shown in a detailed view enclosed by a dotted line in Fig. 1, is unscrewed and removed, the thread engagement of the sealing member 30 with the inner container 20 as well as the thread engagement of the cap 40 with the outer container 10 are simultaneously released. Accordingly, the inner container 20 falls down so that the contents contained in the inner container is spontaneously blended with the contents contained in the outer container. Fig. 2 is an exploded perspective view of an embodiment of a dual container assembly according to another aspect of the present invention. As shown in Fig. 2, a dual container assembly of this embodiment comprises an outer container 50, an inner container 60 received in the outer container, a sealing member 70 for sealing contents contained in the outer and inner containers 50 and 60, and a cap 80 fixed to a mouth of the outer container 50. In this embodiment, a radially protruding annular protrusion 52 is formed at a mouth 51 of the outer container 50. A peripheral portion 81 of the cap 80 is pressed against and hermetically fixed to the protrusion 52 by means of a press or the like. The sealing member 70 comprises a disc-shaped fixing portion 71 coupled to an inner surface of the cap 80, and an insertion portion 72 which extends from the fixing portion and is inserted into and hermetically coupled to the mouth of the inner container 60. The sealing member can be made of cork or the like. It is preferred that the sealing member be made of resilient synthetic resin so that it can be inserted into the mouth of the inner container 60 to securely support the inner container 60 and can come into close contact with an inner peripheral surface of the inner container to ensure good sealing. It is preferred that the cap of this embodiment be made of metal material. Further, in order to ensure firm coupling of the sealing member 70 to the inner container 60, it is preferred that an annular ridge 62 be formed at a proper position on the inner peripheral surface of the mouth of the inner container 60, and an annular groove 73 be formed at a position on an outer peripheral surface of the insertion portion 72 of the sealing member, which corresponds to the position of the annular ridge. When the cap 80 of the dual container assembly of this embodiment, which has been assembled as shown in a detailed view enclosed by a dotted line in Fig. 2, are removed using an opener, the insertion portion 72 of the sealing member 70 that has been inserted into the mouth 61 of the inner container 60 is deformed and then removed together with the cap 80. Accordingly, the inner container 60 that has been held by the cap 80 through the sealing member is separated and falls down into the outer container 50 so that the contents contained in the inner container 60 is spontaneously blended with the contents contained in the outer container 50.
Industrial Applicability According to the present invention described above, there is provided with a dual container assembly in which upon removal of a cap of the container assembly, an inner container fixed to the cap is spontaneously separated from the cap and falls down into an outer container so that contents contained separately in the inner and outer containers can be conveniently blended with each other without any additional operations. Particularly, in a case where beverages or drugs that have been separately stored are intended to be blended in use by using the container assembly of the present invention, there is an advantage in that accurate amounts of the beverages or drugs can be blended conveniently. Further, the present invention can be applied to a case where beverages with different colors that have been separately stored are intended to be blended to exhibit color-mixing effects. Thus, there is an advantage in that the present invention improves the value of goods. It is intended that the embodiments of the present invention described above and illustrated in the drawings should not be construed as limiting the technical spirit of the present invention. The scope of the present invention is defined only by the appended claims. Those skilled in the art can make various changes and modifications thereto without departing from its true spirit. Therefore, various changes and modifications obvious to those skilled in the art will fall within the scope of the present invention.

Claims

1. A dual container assembly for allowing contents stored separately therein to be blended upon opening a cap, comprising: an outer container having a mouth formed with male threads on an outer peripheral surface of the mouth; an inner container having a mouth formed with female threads on an inner peripheral surface of the mouth, the inner container being inserted into and placed in the mouth of the outer container such that the mouth of the inner container is directed to the mouth of the outer container; the cap being hermetically fixed to the outer container by causing female threads formed on an inner peripheral surface thereof to be engaged with the male threads formed on the outer peripheral surface of the outer container; and a sealing member including a disc-shaped fixing portion coupled to an inner surface of the cap, and an insertion portion extending from the fixing portion and having male threads formed on an outer peripheral surface thereof to be engaged with the female threads formed on the inner peripheral surface of the inner container, wherein a rotation-preventing means is formed on the inner peripheral surface of the mouth of the outer container and the outer peripheral surface of the mouth of the inner container to prevent rotation of the inner container.
2. The dual container assembly according to Claim 1, wherein the rotation-preventing means comprises at least one longitudinal groove formed on the inner peripheral surface of the mouth of the outer container, and a protrusion formed at a position on the outer peripheral surface of the mouth of the inner container corresponding to the position of the groove of the outer container such that the protrusion can be received in the groove.
3. A dual container assembly for allowing contents stored separately therein to be blended upon opening a cap, comprising: an outer container having a mouth formed with a radially protruding annular protrusion; an inner container inserted into and placed in the mouth of the outer container such that the mouth of the inner container is directed to the mouth of the outer container; the cap being hermetically secured on the annular protrusion formed at the mouth of the outer container; and a sealing member including a disc-shaped fixing portion coupled to an inner surface of the cap, and an insertion portion extending from the fixing portion, the insertion portion being inserted into and hermetically coupled to the mouth of the inner container.
4. The dual container assembly according to Claim 3, wherein an annular ridge is formed on the inner peripheral surface of the mouth of the inner container, and an annular groove is formed at a position of an outer peripheral surface of the insertion portion of the sealing member corresponding to the position of the annular ridge of the inner container.
PCT/KR2004/001993 2003-08-07 2004-08-07 Container assembly for blending contents kept separately by removing cap WO2005014428A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20-2003-0025437U KR200336224Y1 (en) 2003-08-07 2003-08-07 Container assembly for blending contents keeped separately by removing cap
KR20-2003-0025437 2003-08-07

Publications (1)

Publication Number Publication Date
WO2005014428A1 true WO2005014428A1 (en) 2005-02-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2004/001993 WO2005014428A1 (en) 2003-08-07 2004-08-07 Container assembly for blending contents kept separately by removing cap

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KR (1) KR200336224Y1 (en)
WO (1) WO2005014428A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2474294A (en) * 2009-10-09 2011-04-13 Tap Water Ltd Bottle cap adapted to hold canister
GB2523797A (en) * 2014-03-05 2015-09-09 D A B Drinks Ltd Container assembly
WO2015169824A1 (en) * 2014-05-07 2015-11-12 Rpc Bramlage Gmbh Mixing/closure device for a container
US10604313B2 (en) 2014-05-07 2020-03-31 Rpc Bramlage Gmbh Admixer-closure device for a container

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100794167B1 (en) * 2006-06-15 2008-01-14 강승주 Bottle lid for falling and mixing different kind material
KR101717286B1 (en) * 2015-04-24 2017-03-17 이형민 Cap of container having separating tank of reactant
KR102635456B1 (en) * 2021-09-27 2024-02-08 강지우 Sanitary medicine container

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5876533U (en) * 1981-11-17 1983-05-24 凸版印刷株式会社 Two-component mixing container
KR20000012712A (en) * 1999-12-20 2000-03-06 강봉윤 A beverage bottle incorporating a food vessel

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5876533U (en) * 1981-11-17 1983-05-24 凸版印刷株式会社 Two-component mixing container
KR20000012712A (en) * 1999-12-20 2000-03-06 강봉윤 A beverage bottle incorporating a food vessel

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2474294A (en) * 2009-10-09 2011-04-13 Tap Water Ltd Bottle cap adapted to hold canister
GB2474294B (en) * 2009-10-09 2012-02-01 Tap Water Project Ltd Improvements in caps for bottle and the like
GB2523797A (en) * 2014-03-05 2015-09-09 D A B Drinks Ltd Container assembly
WO2015169824A1 (en) * 2014-05-07 2015-11-12 Rpc Bramlage Gmbh Mixing/closure device for a container
US9944444B2 (en) 2014-05-07 2018-04-17 Rpc Bramlage Gmbh Mixing/closure device for a container and method for dispensing a medium from a closure device
US10232998B2 (en) 2014-05-07 2019-03-19 Rpc Bramlage Gmbh Mixing/closure device for a container
US10604313B2 (en) 2014-05-07 2020-03-31 Rpc Bramlage Gmbh Admixer-closure device for a container

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