JP2010173724A - Double container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a double container which allows an inner container in a distribution stage to be hardly unsealed, prevent the inner container from being carelessly unsealed by any shock, tamper or the like, and easily unseal the inner container when setting the inner container to an outer container. <P>SOLUTION: The double container 1 includes an inner container 2 for storing a content, and an outer container 3 for accommodating the inner container 2. The inner container 2 includes an inner container body 4 for storing the content, and a lid body 5 which is attached to the mouth of the inner container body 4 to close the mouth. The lid body 5 has a knob 55 extending along the outer circumferential surface of the mouth of the inner container body 4. When the inner container 2 is inserted in the outer container 3, a back side of the knob 55 is abutted on an abutting part 33 formed on the outer circumferential surface of the mouth 30 of the outer container 3, and the knob 55 is pushed out toward the outer side in the radial direction of the mouth of the inner container body 4. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a double container in which an inner container and an outer container are combined.

  As this type of double container, conventionally, for example, as shown in Patent Document 1 below, a configuration including an inner container that contains contents such as cream and an outer container that can contain an inner container is known. Yes. The above-mentioned inner container is a refill container that can be taken in and out of the outer container. For example, the inner container is distributed in the market as a set with the outer container or as a single inner container. The consumer can use the inner container inside the outer container, and the outer container can be reused by removing the inner container stored in the outer container and replacing it with a new inner container. It is done.

  By the way, the above-described inner container is distributed in a state where the mouth portion of the inner container main body for storing the contents is closed by the lid. This lid body is composed of, for example, a screw cap that is screwed into the mouth portion of the inner container main body or a cap-like cylindrical cap body that is undercut fitted (plugged), and particularly a lid that is undercut fitted. On the outer peripheral surface of the body, a hook-shaped knob that protrudes outward in the radial direction is generally provided. In the inner container having such a configuration, the consumer can hang a finger or the like on the knob to remove the lid from the inner container body before or after the inner container is inserted into the outer container.

Utility Model Registration No. 2588201

  However, in the double container having the above-described conventional inner container, since the inner container is easily opened, the lid is removed due to an impact or mischief at the time of transportation / display in the distribution stage of the inner container. The inner container may be opened.

  The present invention takes the above-mentioned conventional problems into consideration, makes the inner container in the distribution stage difficult to open, prevents the inner container from being opened carelessly due to impact or mischief, and the like. An object of the present invention is to provide a double container in which the inner container can be easily opened when the container is set in the outer container.

  The double container according to the present invention is a double container comprising an inner container for storing contents and an outer container capable of storing the inner container, wherein the inner container includes an inner container main body for storing contents. And a lid that is attached to the mouth of the inner container body and closes the mouth, and the lid has a knob extending along the outer peripheral surface of the mouth of the inner container body And the inner container is inserted into the outer container so that the back surface of the knob comes into contact with the contact part formed on the outer peripheral surface of the mouth of the outer container. Is extruded toward the radially outer side of the mouth of the inner container body.

Due to such characteristics, the inner container is transported or displayed with the lid attached to the mouth of the inner container main body. At this time, since the knob portion of the lid extends along the outer peripheral surface of the mouth portion of the inner container main body, it is difficult for a finger or the like to be caught on the knob portion.
On the other hand, when consuming the contents in the inner container, first, the inner container is inserted inside the outer container with the lid attached. At this time, the back surface of the knob portion of the lid is brought into contact with the contact portion of the outer peripheral surface of the mouth portion of the outer container and pushed outward in the radial direction. Thereby, it will be in the state by which the knob | pick part protruded to the radial direction outer side of the opening | mouth part of the inner container main body. Thereafter, the knob is picked with a finger or the like, and the lid is removed from the inner container body. At this time, since the knob is in a state of protruding outward in the radial direction of the mouth portion of the inner container body, a finger or the like is easily hooked on the knob.

  In the double container according to the present invention, a convex rib is formed on the back surface of the knob, and the convex rib is brought into contact with the contact portion by inserting the inner container into the outer container. It is preferable to touch.

  As a result, when the inner container is inserted inside the outer container, a gap is formed between the back surface of the knob and the contact portion of the outer container, so that a finger or the like is more easily applied to the knob.

According to the double container according to the present invention, in the inner container in the distribution stage, the knob portion of the lid body extends along the outer peripheral surface of the mouth portion of the inner container main body, and it is difficult for a finger or the like to be caught on the knob portion. Therefore, the lid body is difficult to be removed from the inner container body, and the inner container is difficult to open. Thereby, it is possible to prevent the inner container from being unintentionally opened due to impact or mischief.
In addition, by inserting the inner container with the lid attached to the inside of the outer container, the knob is projected outward in the radial direction of the mouth of the inner container main body, and a finger or the like is easily caught on the knob. Therefore, the inner container can be easily opened.

It is a perspective view of a double container for explaining an embodiment of the invention. It is a top view for demonstrating embodiment of this invention, (a) is the top view which looked at the outer container from upper direction, (b) is the top view which looked at the inner container from the downward direction. FIG. 3 is a half sectional view taken along line AA ′ shown in FIG. 2. FIG. 3 is a half sectional view taken along the line BB ′ shown in FIG. 2. It is a fragmentary sectional view of an inner container and an outer container for explaining an embodiment of the invention. It is sectional drawing of the double container for demonstrating embodiment of this invention.

Hereinafter, an embodiment of a double container according to the present invention will be described with reference to FIGS.
A chain line O shown in FIG. 3 indicates the central axis of the double container 1 and is simply referred to as “axis O” hereinafter. In the present embodiment, the direction along the axis O is defined as the “axial direction”, and the direction orthogonal to the axis O is defined as the “radial direction”. Moreover, in this Embodiment, the opening part 40,30 side (upper side in FIG. 3) of the inner container 2 and the outer container 3 mentioned later is set to "upper side", and the other side (lower side in FIG. 3) is set to "lower side. "

  As shown in FIG. 1, the double container 1 includes an inner container 2 that stores contents such as cream, and an outer container 3 that can store the inner container 2.

  The outer container 3 is a bottomed cylindrical outer container having an open upper end. The outer container 3 is made of, for example, a synthetic resin such as polyolefin, polyester, or polystyrene, metal, glass, or the like, and is molded by, for example, injection molding, blow molding, press molding, or the like. As a schematic configuration of the outer container 3, a substantially cylindrical peripheral wall portion 31 extending along the axis O and a bottom wall portion 32 provided in a lower portion of the peripheral wall portion 31 are provided.

  At the upper end portion of the peripheral wall portion 31 described above, a mouth portion 30 whose outer peripheral surface is reduced in a step shape over the entire circumference is formed. A male screw 33 (corresponding to the contact portion of the present invention) extending in a substantially spiral shape is formed on the outer peripheral surface of the mouth portion 30. A concave groove-shaped guide groove 34 extending from the upper end of the peripheral wall portion 31 (the upper end of the mouth portion 30) along the axial direction is formed on the inner peripheral surface of the upper portion of the peripheral wall portion 31 described above. Two guide grooves 34 are formed in parallel.

Further, the peripheral wall portion 31 is formed with a cutout portion 35 into which a pressing portion 43 of the inner container 2 (inner container main body 4) described later is fitted. The cutout portion 35 is a cutaway portion that is concave in a side view when the upper portion (mouth portion 30) of the peripheral wall portion 31 is cut out in a concave shape in a side view. The notch 35 extends from the upper end of the peripheral wall portion 31 (the upper end of the mouth portion 30) to the lower side of the lower end of the mouth portion 30 along the axial direction. Of the peripheral wall portion 31 below the mouth portion 30, The inner peripheral portion is cut away leaving the outer peripheral portion. That is, the lower portion of the notch 35 has a concave shape that is open radially inward in plan view, and is formed along the outer peripheral surface of the peripheral wall portion 31 on the radially outer side of the lower portion of the notch 35. A wall portion 37 is disposed. On the inner surface (the radially inner surface) of the wall portion 37, a locked portion 36 having a substantially semicircular cross section extending in the circumferential direction is projected.
Further, as shown in FIG. 2A, the guide groove 34 and the notch 35 described above are arranged in pairs with the axis O therebetween, and the pair of guide grooves 34 and the pair of notches 35 Are arranged at positions orthogonal to each other.

  As shown in FIGS. 1 and 3, the inner container 2 is a container that can be taken in and out of the outer container 3 described above, and is a refill container that can be appropriately replaced by a consumer. The inner container 2 includes an inner container body 4 that stores contents, and a lid body 5 that is attached to the mouth portion 40 of the inner container body 4 and closes the mouth portion 40.

  The inner container body 4 is a bottomed cylindrical interior container having an open upper end. The inner container body 4 is made of a synthetic resin such as polyolefin, polyester, or polystyrene, and is formed by, for example, injection molding or blow molding. The inner container body 4 may be a thin metal container formed by, for example, press molding. As a schematic configuration of the inner container body 4, a substantially cylindrical peripheral wall portion 41 extending along the axis O and a bottom wall portion 42 provided in a lower portion of the peripheral wall portion 41 are provided. .

  The upper end portion of the peripheral wall portion 41 of the inner container body 4 is formed with a mouth portion 40 that is expanded radially outward over the entire circumference, and on the inner peripheral surface of the upper end portion of the mouth portion 40, A diameter-increased portion 47 having an inner diameter that is increased stepwise over the entire circumference is formed. The outer diameter of the peripheral wall portion 41 of the inner container body 4 is equal to or smaller than the inner diameter of the peripheral wall portion 31 of the outer container 3, and the inner container body 4 can be inserted inside the outer container 3. Moreover, the outer peripheral height of the inner container main body 4 is higher than the inner peripheral height of the outer container 3, and when the inner container main body 4 is inserted into the outer container 3, as shown in FIGS. The upper end portion (mouth portion 40) of the inner container body 4 protrudes upward from the mouth portion 30 of the outer container 3 and is disposed immediately above the mouth portion 30 of the outer container 3.

  Further, the mouth portion 40 of the inner container body 4 is provided with a pressing portion 43 that is fitted into the above-described notch portion 35 when the inner container 2 is inserted inside the outer container 3. The pressing portion 43 is a substantially rectangular plate piece that hangs along the axial direction from the lower end of the mouth portion 40, and is pressed radially inward with the upper end as a fulcrum by pressing the radially outer pressing surface 43 a. It is the vertical wall part which rotates toward. The inner surface (the radially inner surface) of the pressing portion 43 is opposed to the outer peripheral surface of the peripheral wall portion 41 of the inner container body 4 with a gap therebetween, and the pressing portion 43 is elastic toward the radially inner side. It can be flexibly deformed. As shown in FIG. 3, a recessed groove-shaped stepped portion 46 extending in the circumferential direction is formed on the outer peripheral surface of the mouth portion 40. The step portion 46 extends over the entire outer peripheral surface of the mouth portion 40, and an outer cylinder portion 51 of the lid 5 described later is undercut fitted to the step portion 46. Further, the step portion 46 is disposed at a connection portion between the mouth portion 40 and the pressing portion 43, whereby the pressing portion 43 is bent and deformed with the step portion 46 as a fulcrum. Further, as shown in FIGS. 1 and 3, a locking portion 44 extending in the circumferential direction (lateral direction of the pressing portion 43) is projected from the outer surface (radially outer surface) of the pressing portion 43. Yes. The locking portion 44 is locked from below with respect to the locked portion 36 of the outer container 3, whereby the pressing portion 43 is undercut fitted into the cutout portion 35 of the outer container 3. .

As shown in FIGS. 1 and 4, a guide portion 45 slidably fitted into the guide groove 34 is provided on the outer peripheral surface of the peripheral wall portion 41 of the inner container body 4. This guide part 45 consists of two protruding item | lines parts extended in parallel along the axial direction.
Further, as shown in FIG. 2B, a pair of the guide part 45 and the pressing part 43 described above are arranged with the axis O therebetween, and the pair of guide parts 45, the pair of pressing parts 43, and the like. Are arranged at positions orthogonal to each other.

  The lid 5 is a lid for sealing the inside of the inner container body 4 until the inner container 2 is mounted on the outer container 3 as shown in FIGS. 1 and 3. For example, polyethylene or polypropylene is used as the lid 5. It is made of a synthetic resin and is molded by, for example, injection molding or compression molding. As a schematic configuration of the lid 5, a ceiling wall portion 50 that is arranged perpendicular to the axis O and closes the mouth portion 40 of the inner container body 4, and is suspended from the outer edge of the ceiling wall portion 50, along the axis O. And an inner cylinder portion 52 that is disposed inside the outer cylinder portion 51 and that is suspended from the lower surface of the top wall portion 50.

  The inner cylinder part 52 is a cylindrical cylinder part fitted inside the mouth part 40 of the inner container body 4. The outer peripheral surface of the inner cylinder portion 52 is slidably in close contact with the inner peripheral surface of the mouth portion 40 of the inner container main body 4, whereby the inner container main body 4 and the lid body 5 are sealed.

  The outer cylinder portion 51 is a so-called tamper-proof ring that is fitted to the outer periphery of the mouth portion 40 of the inner container body 4 and can be scraped in the circumferential direction. That is, the outer cylinder part 51 has a substantially C-shape in plan view with a belt-like wall part provided around the outer peripheral surface of the mouth part 40 of the inner container body 4, and the outer cylinder part 51 has a circumferential direction. One end surface and the other end surface of the outer wall portion are opposed to each other with a gap therebetween, and the upper end of the outer cylinder portion 51 and the outer edge of the top wall portion 50 are thinner than the top wall portion 50 and are easily broken. Are connected over the entire circumference.

  As shown in FIGS. 1 and 4, a finger or the like is provided at one end portion in the circumferential direction of the outer cylinder portion 51 when removing the lid 5 from the inner container body 4, that is, when scraping the outer cylinder portion 51. A pick portion 55 is provided for picking. The knob portion 55 is a substantially rectangular plate portion that is suspended from one end portion in the circumferential direction of the outer cylinder portion 51, and extends along the outer peripheral surface of the mouth portion 40 of the inner container body 4. The knob portion 55 extends to the lower side of the lower end of the mouth portion 40, and the lower portion of the knob portion 55 protrudes downward from the lower end of the mouth portion 40. The distance from the back surface of the knob 55 (the surface facing the outer peripheral surface of the mouth portion 40) to the axis O is based on the maximum diameter of the mouth 30 of the outer container 3 (the distance from the outer peripheral surface of the male screw 33 to the axis O). Is also getting smaller. A convex rib 56 projects from the rear surface of the knob 55. The convex rib 56 is a protruding portion that protrudes toward the mouth portion 40 of the inner container body 4, and is a protruding portion that extends along the axial direction.

  Next, the operation of the double container 1 having the above configuration will be described.

  First, as shown in FIGS. 1 and 2, the double container 1 in the distribution stage is transported or displayed with the inner container 2 detached from the outer container 3. At this time, the lid body 5 is attached to the mouth portion 40 of the inner container body 4, and the mouth portion 40 of the inner container body 4 is closed by the lid body 5 to seal the inside of the inner container body 4. . Thereby, alteration of the contents accommodated in the inner container body 4 is prevented. Moreover, since the knob | pick part 55 of the cover body 5 is extended along the outer peripheral surface of the opening | mouth part 40 of the inner container main body 4, a finger | toe etc. are hard to get on the knob | pick part 55. FIG.

  Next, when using the double container 1, first, as shown in FIGS. 3 and 4, the inner container 2 and the outer container 3 are relatively aligned in the circumferential direction. Is inserted into the outer container 3 with the lid 5 attached. That is, the positions of the guide portion 45 of the inner container body 4 and the guide groove 34 of the outer container 3 are aligned, the positions of the pressing portion 43 of the inner container body 4 and the notch portion 35 of the outer container 3 are aligned, and then the contents The container 2 is inserted inside the outer container 3. As a result, the guide portion 45 is inserted into the guide groove 34 and fitted into the guide groove 34, and the pressing portion 43 is inserted into the notch portion 35, and the locking portion 44 of the pressing portion 43 is the notch portion 35. The undercut fitting is performed on the locked portion 36. As a result, the relative circumferential rotation between the inner container 2 (inner container body 4) and the outer container 3 is restricted, and the relative axis between the inner container 2 (inner container body 4) and the outer container 3 is restricted. The movement in the direction is restricted, and the inner container 2 is fixed in the outer container 3.

  Further, when the inner container 2 is inserted into the outer container 3, as shown in FIG. 5, the convex ribs 56 provided on the back surface of the knob portion 55 of the lid body 5 form the outer periphery of the mouth portion 30 of the outer container 3. It abuts on the male screw 33 provided on the surface and is pushed outward in the radial direction. As a result, the knob portion 55 is projected outward in the radial direction of the mouth portion 40 of the inner container body 4, and a gap is formed between the rear surface of the knob portion 55 and the male screw 33 of the outer container 3.

Next, the lid 5 is removed from the inner container body 4. More specifically, first, the knob 55 is picked with a finger or the like. At this time, as shown in FIG. 5, since the knob portion 55 projects outward in the radial direction, a finger or the like can be easily applied to the knob portion 55, and the knob portion 55 can be easily picked. Subsequently, the knob portion 55 is rotated relative to the inner container body 4 along the circumferential direction. Thereby, the weakening part 54 is fractured | ruptured from the circumferential direction one end side of the outer cylinder part 51, the outer cylinder part 51 of the cover body 5 is scraped off from the circumferential direction one end side, and the outer cylinder part 51 of the cover body 5 becomes It is separated from the top wall 50. Subsequently, the top wall portion 50 of the lid body 5 is pulled up, the inner cylinder portion 52 of the lid body 5 is extracted from the inside of the mouth portion 40 of the inner container body 4, and the lid body 5 is removed from the mouth portion 40 of the inner container body 4.
As described above, the lid 5 is removed from the inner container body 4 and the inner container body 4 is mounted in the outer container 3.

  Next, as shown in FIG. 6, a shallow dish-shaped inner lid 6 is fitted to the mouth portion 40 of the inner container body 4, and then the top-cylindrical outer lid 7 is screwed to the outer container 3. The outer edge portion of the above-described inner lid 6 is locked over the entire circumference to the enlarged diameter portion 47 formed at the upper end portion of the mouth portion 40 of the inner container body 4. In addition, a disc-shaped packing 8 is fitted inside the outer lid 7, and the packing 8 is interposed between the lower surface of the top wall portion 70 of the outer lid 7 and the upper end surface of the mouth portion 40 of the inner container body 4. The inner periphery of the inner container body 4 is sealed. A female screw 72 is formed on the inner peripheral surface of the peripheral wall portion 71 of the outer lid 7, and the female screw 72 is screwed to the male screw 33 of the outer container 3.

  According to the double container 1 described above, in the distribution stage of the inner container 2 that transports or displays the inner container 2, the knob portion 55 of the lid 5 is placed on the outer peripheral surface of the mouth portion 40 of the inner container body 4. The lid body 5 is difficult to be removed from the inner container body 4 and the inner container 2 is not easily opened. Thereby, it is possible to prevent the inner container 2 from being unintentionally opened due to impact or mischief.

  Further, by inserting the inner container 2 into the outer container 3 with the lid 5 attached, the knob portion 55 projects outwardly in the radial direction of the mouth portion 40 of the inner container body 4, and the knob is selected. Since the finger or the like is easily applied to the portion 55, the inner container 2 can be easily opened in a state where the inner container 2 is inserted into the outer container 3. Thereby, the inner container 2 which is a refill container can be easily accommodated in the outer container 3, and the operativity at the time of a consumer putting the inner container 2 in the outer container 3 and using it can be improved.

  Moreover, since the convex rib 56 is provided in the back surface of the knob | pick part 55, and a clearance gap is formed between the back surface of the knob | pick part 55, and the external thread 33 of the outer container 3, it becomes easy to put a finger etc. on the knob | pick part 55 further, The inner container 2 can be opened more easily.

The embodiment of the double container according to the present invention has been described above, but the present invention is not limited to the above-described embodiment, and can be appropriately changed without departing from the scope of the present invention.
If it demonstrates concretely, you may coat | cover the upper part of the inner container 2 with which the cover body 5 was covered with a shrink film. Thereby, it can prevent reliably that the cover body 5 is removed from the inner container main body 4 by an impact or mischief.

  In the above-described embodiment, the outer cylinder part 51 of the lid 5 is a tamper-proof ring connected to the top wall part 50 via the weakening part 54. Although the portion 55 is provided, the present invention may be a lid having another configuration. For example, the structure by which the knob | pick part was provided in the outer cylinder part of the normal top cylinder-shaped cover body which is not provided with the tamper-proof ring may be sufficient.

  In the above-described embodiment, the inner container body 4 is provided with the pressing portion 43 and the guide portion 45, and the outer container 3 is provided with the notch portion 35 and the guide groove 34. It can be omitted.

Moreover, in above-mentioned embodiment, the structure which the knob | pick part 55 of the cover body 5 contact | abuts to the external thread 33 of the outer container 3, and is extruded to radial direction outer side is inserted in the outer container 3 in the above-mentioned embodiment. However, the present invention may be configured such that the knob portion 55 abuts against the abutting portion other than the male screw 33 of the outer container 3 and is pushed outward in the radial direction, for example, the mouth portion of the outer container 3 A configuration may be adopted in which the knob portion 55 is brought into contact with the upper end portion of 30 and pushed outward in the radial direction.
In the above-described embodiment, the outer lid 7 is screwed into the mouth portion 30 of the outer container 3. However, in the present invention, the outer lid is opened by undercut fitting or press-fitting. It may be attached to the part.

  In addition, in the range which does not deviate from the main point of this invention, it is possible to replace suitably the component in above-mentioned embodiment with a well-known component, and you may combine the above-mentioned modification suitably.

DESCRIPTION OF SYMBOLS 1 Double container 2 Inner container 3 Outer container 4 Inner container main body 5 Lid 30 Portion 33 Male screw (contact part)
40 mouth part 55 knob part 56 convex rib

Claims (2)

In a double container comprising an inner container for storing contents and an outer container capable of storing the inner container,
The inner container is provided with an inner container main body that contains contents, and a lid that is attached to the mouth portion of the inner container main body and closes the mouth portion,
The lid is provided with a knob extending along the outer peripheral surface of the mouth of the inner container body,
When the inner container is inserted into the outer container, the back surface of the knob is brought into contact with the contact portion formed on the outer peripheral surface of the mouth of the outer container, and the knob is connected to the inner container. A double container which is extruded toward the radially outer side of the mouth of the main body. The double container according to claim 1,
Convex ribs are formed on the back surface of the knob,
The double container, wherein the convex rib is brought into contact with the contact portion by inserting the inner container into the outer container.

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