JP4194873B2 - Double container with dispenser - Google Patents

Description

[0001]
[Industrial application fields]
Disclosed is a dispenser comprising a flexible inner container filled with a fluid, an outer container that houses the inner container, and a dispenser that dispenses the fluid content in the inner container while shrinking the inner container. It relates to a double container.
[0002]
[Prior art]
Conventionally, as a double container with a dispenser of this kind, for example, those disclosed in Japanese Utility Model Laid-Open No. 5-75163 and Japanese Patent Laid-Open No. 2001-335087 are known, and storage and dispensing of fluid contents And is highly useful as a refillable container for shampoos and rinses.
[0003]
The portion of the outer container in these conventional double containers is composed of two parts: a container main body and a lid having a through hole in the center that is externally fitted to the main body by screw fitting. The inner container accommodated in the outer container projects its neck from the through hole of the lid, and the dispenser is screw-fitted into the neck, thereby holding the lid between the inner container and the dispenser. Inside, it is assembled in a suspended state on the lid.
[0004]
[Problems to be solved by the invention]
In order to assemble these conventional double containers, the lid is attached to the inner container and the dispenser by screwing the neck of the inner container filled with the fluid content through the through hole of the lid and screwing the dispenser into the neck. In addition, the lid body to which the inner container and the dispenser are attached must be externally fitted to the main body by screw fitting. Therefore, this complicated work is troublesome for consumers, and the assembled double container has an outer peripheral wall of the screw part of the lid that hangs from the shoulder of the lid to the outer periphery of the upper end of the container body. Since the structure is widely exposed in the upper part of the container body, it is a container with a lot of difficulties as a cosmetic container that is poor in design and has a beautiful appearance.
[0005]
In addition, when replacing the refill of these conventional double containers, by releasing the fitting of the container body and the lid body, and further releasing the fitting of the inner container and the dispenser in a procedure opposite to the assembling procedure, It is broken down into four parts: a container body, a lid, an inner container, and a dispenser. Therefore, it is difficult for consumers to dismantle, and it is difficult to handle because it requires management of each part that has been separated and disassembled, contamination of the surroundings due to the contents attached to the parts, and hygiene of the parts. It was a container.
[0006]
An object of the present invention is to facilitate separation and assembly of an outer container and an inner container, and to make the container excellent in appearance suitable for a cosmetic container.
[0007]
[Means for Solving the Problems]
In order to solve the above problems, the present invention forms an inner cylinder member to couple the ring to the outer periphery of the upper end portion of the film as well as coupling a circular bottom plate to the lower end of the cylindrical film, the ring insertion and removal but the bottle shape of the inner container formed by welding the inner barrel member to the shoulder lower surface of the filling port member, a dispenser is integrated in the outer surface of the filling port member for closing the inner container, the inner container A double-container with a dispenser to which the inner container and the outer container are assembled , and the diameter of the outer peripheral surface of the shoulder portion of the filling port member and the outer container The diameter of the outer peripheral surface of the dispenser and the diameter of the outer peripheral surface of the shoulder portion of the dispenser are substantially the same, and the inner body member is coupled to the inner periphery of the ring at the outer periphery of the upper end of the film. Male When the inner container and the outer container are assembled by screwing a screw into a female screw engraved on the inner surface of the opening of the outer container, the outer peripheral surface of the shoulder portion of the filling port member in the dispenser The outer diameter of the outer peripheral surface of the shoulder portion is exposed between the outer container and the outer peripheral surface of the shoulder portion of the filling port member, the outer peripheral surface of the shoulder portion of the dispenser, and the outer peripheral surface of the outer container are substantially flush. It is formed in this .
[0008]
By having the above configuration, by connecting the undercut coupling of the dispenser to the inner container filled with the fluid content, the male thread of the ring in the inner container and the female thread of the opening in the outer container are screwed together, The inner container can be easily fixed to the outer container in the inner fitting state, and can be easily separated. In particular, the diameter of the outer peripheral surface of the shoulder portion of the filling port member, the diameter of the outer peripheral surface of the outer container, and the diameter of the outer peripheral surface of the shoulder portion of the dispenser are substantially the same, and the inner body member is the upper end portion of the film. The outer peripheral surface of the shoulder portion of the filling port member, the outer peripheral surface of the outer container, and the outer peripheral surface of the shoulder portion of the dispenser are formed flush with each other at the outer periphery, and the shoulder of the filling port member By exposing the outer peripheral surface of the portion between the outer peripheral surface of the shoulder portion of the dispenser and the outer container, a ring-shaped design can be configured on the outer peripheral surface of the container.
[0009]
Further, the outer peripheral surface of at least the shoulder portion of the filling port member, the to Rukoto a color different from that of the outer peripheral surface and the outer container of the shoulder portion of the dispenser, it is preferred to highlight a ring-shaped design. Further, the dispenser is provided with a pump mechanism having a push button mounted in a lid-like member having a neck portion standing on the shoulder portion, and an undercut engagement with the protrusion of the filling port member on the inner surface of the neck portion. Since the inner container and the dispenser cannot be separated by projecting an inward projection to prevent detachment, the filling contents are not only kept in a sealed state so that they can be discharged, but also kept hygienic. Further, by providing a vertical rib that prevents rotation by engaging with the vertical rib formed on the filling port member, the rotation becomes impossible with respect to the filling port member.
[0010]
Moreover, it is preferable that the ring-shaped design is conspicuous by making the outer peripheral surface of at least the shoulder portion of the filling port member a color different from the outer peripheral surface of the shoulder portion of the dispenser and the color of the outer container.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the double container with a dispenser of the present invention will be described with reference to the drawings.
[0012]
1 to 5 show a preferred embodiment of the present invention. A bottle-shaped inner container 1 formed by welding an inner body member 2 to the lower surface of a shoulder portion 11 of a filling port member 10, and a filling port. The dispenser 20 is integrated on the outer surface of the member 10 by undercut coupling, and has a bottomed cylindrical outer container 30 that accommodates the inner container 1 in a removable manner. Reference numeral 35 denotes a lid that is fitted around the neck portion 23 of the dispenser 20.
[0013]
The inner body member 2 in the inner container 1 is formed by connecting a circular bottom plate 4 to the lower end portion of the cylindrical film 3 and connecting a ring 5 having a male screw 6 engraved on the outer periphery to the upper end portion of the film 3. Has been.
[0014]
The cylindrical film 3 is a highly flexible film in which a laminate film cut into a rectangle is rounded and its side end portions are joined and formed. A synthetic resin film having a high barrier property is selected as the intermediate layer of the laminate film to be used, and a synthetic resin film having a good weldability to the bottom plate 4 and the ring 5 is selected as the outer layer.
[0015]
The film material constituting the laminate film is preferably a polyethylene film, a polyester film, or a polypropylene film, and the barrier property may be increased by using a film obtained by performing metal vapor deposition or silica vapor deposition on the intermediate layer.
[0016]
As a method of integrally bonding the bottom plate 4 and the ring 5 to the cylindrical film 3, it is preferable to use a heat welding method or an insert molding method. That is, in the thermal welding method, the bottom plate 4 and the ring 5 are formed separately, the bottom plate 4 is welded to the inner peripheral surface of the lower end portion of the cylindrical film 3, and the ring 5 is welded to the outer periphery of the upper end portion of the cylindrical film 3. To be united together. In the insert molding method, the cylindrical film 3 is inserted into a mold for molding the ring 5 and the bottom plate 4, and the ring 5 and the bottom plate 4 are molded by the injection molding method, and at the same time, the film 3 is integrally coupled.
[0017]
The filling port member 10 in the inner container is formed by a neck portion 12 standing at the center of a flat shoulder portion 11, a guide wall 13 is suspended from the lower surface of the shoulder portion 11, and the outer periphery of the proximal end portion of the guide wall 13 A concave groove 14 is cut along the groove 14, and an ultrasonic rib 15 is protruded from the concave groove 14. Further, a protrusion 16 for undercut engagement and a vertical rib 17 for rotation prevention are formed on the outer peripheral surface of the neck portion 12.
[0018]
In order to assemble the filling port member 10 and the inner body member 2 integrally, the upper end portion of the ring 5 of the inner body member 2 is fitted into the concave groove 14 of the filling port member 10, and the ultrasonic rib 15 is attached by ultrasonic vibration. Melt and weld in a liquid-tight manner.
[0019]
The dispenser 20 includes a pump mechanism 25 equipped with a push button 24 in a lid-like member 21 in which a neck portion 23 is erected on a flat shoulder portion 22 having substantially the same outer diameter as the shoulder portion 11 of the filling port member 10. An inward projection 26 is provided on the inner surface of the neck portion 23 of the lid-like member 21 so as to prevent it from coming off by engaging with the projection 16 of the filling port member 10. A vertical rib 27 is provided to prevent rotation by engaging with the vertical rib 17 of the mouth member 10.
[0020]
The outer container 30 is formed into a bottomed cylindrical shape by an injection molding method using a rigid thermoplastic resin such as SAN, PET, PS, PMMA, ABS, PP, PE, and the like. On the peripheral surface, a female screw 32 that can be screwed with the male screw 6 carved on the outer periphery of the ring 5 in the inner container 1 is formed.
[0021]
In order to assemble this container composed of the above parts, as shown in FIG. 4, the inner body 2 of the inner container 1 is usually inserted into the outer container 30 and the male screw 6 of the ring 5 in the inner container 1 The double container N is formed in the inner fitting state by screwing the female screw 32 of the opening 30 in the outer container 30, and after filling the fluid from the opening 18 of the filling port member 10, the dispenser 20 is placed in the inner container. 1, the vertical rib 17 of the filling port member 10 and the vertical rib 27 of the lid-like member 21 are engaged with each other by a jig, and the protrusion 16 of the filling port member 10 and the inside of the lid-like member 21 are The direction protrusion 26 is engaged, and the lid-like member 21 is undercut coupled to the outer surface of the filling port member 10 so as not to be mutually rotatable. With this operation, the dispenser 20 is fixed to the inner container 1 and the opening 18 of the inner container 1 is closed.
[0022]
Since the inner container 1 and the dispenser 20 are not separable, the filled contents are maintained in a sanitary manner so that the sealing is maintained so that they can be discharged. Further, since the inner container 1 is fixed to the outer container 30 by screw fitting in the inner fitting state, the outer peripheral surface 11a of the shoulder 11 in the filling port member 10 of the inner container 1 is changed to the shoulder in the dispenser 20. It becomes possible to set it as the structure exposed in a ring shape between the outer peripheral surface 22a of 22 and the opening end of the outer container 1, and it can be set as the design which has an aesthetic effect.
[0023]
In addition, the outer peripheral surface 11a of the shoulder portion 11 of the filling port member 10 is decorated with a hot stamp or the like so that the color of the outer peripheral wall 22a of the shoulder portion 22 and the outer container 30 of the dispenser 20 is different. Therefore, it is possible to make a container suitable as a cosmetic container.
[0024]
Further, when the container according to the present invention is used as a cartridge-type container, as shown in FIG. 5, first, the inner container 1 is filled with a fluid, and the dispenser 20 is undercut coupled thereto so as not to be separated. , Forming a cartridge K with a tip dispenser. The cartridge K can be easily fixed to the outer container 1 in the inner fitting state by screw fitting, and can be easily separated into two parts of the cartridge K and the outer container 30. Cartridge change is very easy.
[0025]
Moreover, since the container of this Embodiment used the highly flexible laminated film for the inner trunk | drum member 2 of the inner container 1, when the storage liquid is discharged by the action | operation of the dispenser 20, the negative pressure which generate | occur | produces in the inner container 1 will be shown. As a result, the film 3 contracts very easily according to the discharge amount, and the stored liquid can be discharged without waste.
[0026]
【The invention's effect】
As described above, in the double container with a dispenser according to the present invention, the dispenser is undercut coupled to the inner container so as not to mutually rotate, and the male thread of the ring in the inner container and the female thread of the opening in the outer container are screwed together. As a result, the inner container is assembled to the outer container in the inner fitting state, so that assembly work and fitting of the inner container to the outer container are easy, and the outer peripheral surface of the inner container is connected to the shoulder of the dispenser. By exposing it between the outer peripheral surface and the outer container in a ring shape, a design effect can be obtained and it can be suitably used as a cosmetic container.
[0027]
Further, when used as a cartridge type container, the cartridge can be replaced by a simple operation of separating the two parts of the cartridge and the outer container and assembling the two parts, so that handling is extremely easy.
[Brief description of the drawings]
FIG. 1 is a front half sectional view showing a double container with a dispenser according to an embodiment of the present invention, partially cut away.
FIG. 2 is an exploded cross-sectional view of the container of FIG.
3 is an exploded front view of the container shown in FIG. 1. FIG.
4 is a cross-sectional view for explaining a normal assembly procedure of the container of FIG. 1;
FIG. 5 is a cross-sectional view illustrating an assembly procedure when the container of FIG. 1 is used as a cartridge type container.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Inner container, 2 Inner trunk member, 3 Cylindrical film, 4 Bottom plate, 5 Ring, 6 Male screw, 10 Filling port member, 11 Shoulder part, 11a outer peripheral surface, 20 Dispenser, 22 Shoulder part, 22a Outer peripheral surface, 30 Outer container, 31 opening, 32 male thread

Claims (3)

The inner shell member is formed at the lower end of the cylindrical film was bonded a ring on the outer periphery of the upper end portion of the film as well as binding the circular bottom plate, the shoulder lower surface of the filling port member said ring within said body member A bottle-shaped inner container formed by welding, a dispenser that is integrated with the outer surface of the filling port member and closes the inner container, a bottomed cylindrical outer container that removably accommodates the inner container, In the double container with a dispenser to which the inner container and the outer container are assembled , the diameter of the outer peripheral surface of the shoulder portion in the filling port member, the diameter of the outer peripheral surface of the outer container, and the outer peripheral surface of the shoulder portion of the dispenser And the inner body member is coupled to the inner periphery of the ring at the outer periphery of the upper end of the film, and an external thread engraved on the outer periphery of the ring is connected to the inner surface of the opening of the outer container. Engraved on When the inner container and the outer container are assembled by screwing into an internal thread, the outer diameter of the shoulder portion of the filling port member is set to the outer diameter of the outer peripheral surface of the shoulder portion of the dispenser with the outer container. And the outer peripheral surface of the shoulder portion of the filling port member, the outer peripheral surface of the shoulder portion of the dispenser, and the outer peripheral surface of the outer container are formed substantially flush with each other. . At least an outer circumferential surface of the shoulder portion, the outer peripheral surface and the dispenser with double container according to claim 1, characterized in that the color different from the color of the outer container of the dispenser in the filling port member. The dispenser includes a pump mechanism having a push button in a lid-like member having a neck portion standing on the shoulder portion, and undercut engagement with a protrusion of the filling port member on the inner surface of the neck portion. inward projection serving as a retaining is projected by, and claim 1 or 2, wherein the longitudinal ribs serving as detent by longitudinal ribs engage formed in the filling port member, characterized in that it is provided Double container with dispenser as described.

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