JP4954695B2 - Refill container - Google Patents

Description

  The present invention relates to a refill container in which contents to be injected into another container body are accommodated.

Conventionally, as the above-mentioned refilling containers, for example, as disclosed in Patent Documents 1 and 2, a container having a cylindrical body portion and a spout portion for pouring contents is proposed. Yes. In these refill containers, the contents in the refill container are poured out from the spout portion and injected into the other container body through the mouth tube portion of the other container body.
Japanese Patent Laid-Open No. 10-329849 JP 2004-18093 A

However, in the above-mentioned refilling container, when the opening area of the mouth tube portion of the other container body is small, it becomes difficult to inject the contents in the refilling container into the other container body. There was a risk of the contents leaking.
In particular, when the thickness of the barrel of the refill container is thin, the barrel is deformed when the refill container is gripped, so the handling is poor and the contents are injected into other containers. Becomes even more difficult.

  The present invention has been made in view of the above-described circumstances, and an object of the present invention is to provide a refillable container that can easily and reliably inject contents into another container body. And

In order to solve this problem, a refill container according to the present invention is a refillable container in which contents to be injected into another container body are accommodated, and is connected to a cylindrical body and an upper end of the body. A container body provided with a spout portion provided, and a lid portion that is attached to the spout portion, and the lid portion is a cylindrical portion that is locked to the container body in an opened state. A lid main body that seals the opening of the spout portion, and the tubular portion and the lid main body are connected via a breakable portion, and the spout portion is locked to the container main body. A pouring cylinder positioned on the inner peripheral side of the cylindrical portion, and can be attached to the mouth tube portion of the other container body between the pouring cylinder and the cylindrical portion. An annular recess is defined, and the lid body is provided with a sealing portion that is inserted into the container body and in close contact with the inner peripheral surface of the dispensing cylinder, The base end portion of the output tube, an inner diameter is provided constricted portion that is one step smaller recessed radially inward, wherein the sealing portion is in close contact with the inner peripheral surface of the constricted portion, the tubular The upper end portion of the portion is positioned below the upper end portion of the dispensing tube, and the annular recess is defined between the constricted portion and the cylindrical portion .

In the refill container having this configuration, when the lid portion is operated to open the cap, the tubular portion and the lid main body are separated at the easily breakable portion, and only the tubular portion is retained by the container main body and remains. Then, by inserting an annular recess defined between the cylindrical portion and the dispensing cylinder of the container body onto the mouth tube portion of the other container body, the dispensing cylinder is inserted into the other container body. In this state, the refill container can be fixed. Therefore, since the pouring operation can be performed in a state in which the pouring cylinder is inserted and fixed in another container, there is no risk of the contents leaking out, and the pouring operation can be performed easily and reliably. it can.
In addition, since the lid portion has a structure in which the cylindrical portion and the lid main body that seals the opening end of the dispensing cylinder are connected via the easily breakable portion, the refill container is once opened. It can be easily judged visually whether it is a thing.
Furthermore, the refill container can be sealed, and the deterioration and alteration of the contents can be reliably prevented.

Here, you may provide the engaging part engaged with the opening cylinder part of the said other container body in the internal peripheral surface of the said cylindrical part.
In this case, when the annular recess defined between the tubular portion and the dispensing tube is attached to the mouth tube portion of the other container body, the mouth tube portion and the tubular portion of the other container body. Can be firmly fixed by engaging with each other. For this reason, the container for refilling does not wobble during the injection operation, and the injection operation can be performed more reliably.

Moreover, it is good also as a structure which contact | abuts the bottom face of the said annular recessed part in the airtight state with the opening end surface of the mouth tube part of the said other container body.
In this case, when injecting the contents into the other container body, the other container body is squeezed in a state where the opening end surface of the mouth tube portion of the other container body and the bottom surface of the annular recess are in an airtight state After the deformed air in the container is once flowed into the refilling container, the above squeeze deformation is released, so that the other container is in a negative pressure state, and the contents in the refilling container are transferred to the other container. It can be inhaled and injected. Thereby, the injection | pouring to another container body can be performed efficiently. In addition, such an injection | pouring operation | work is suitable when inject | pouring highly viscous contents, such as a treatment, for example.

  According to the present invention, the extraction tube of the refill container is inserted into the mouth tube portion of the other container body, and the annular recess defined between the extraction tube and the cylindrical portion is inserted into the other container body. It becomes possible to adhere and fix to the mouth tube portion, and the contents can be injected in this state, so that the contents can be easily and reliably injected.

Below, the refill container which is embodiment of this invention is demonstrated with reference to attached drawing. 1 to 4 show a refill container that is an embodiment of the present invention.
The refill container 10 is for containing highly viscous contents such as treatments, and includes a container body 11 and a lid 30.

  The container main body 11 includes a cylindrical body portion 12 extending along the central axis L, a bottom portion 13 connected to the lower end (lower side in FIGS. 1 and 2) of the body portion 12, and the upper end of the body portion 12. (Upper side in FIG. 1 and FIG. 2) connected to the inner peripheral end of the shoulder portion 14 which is configured so as to gradually decrease in cross-sectional area as it goes upward, and upward. And a spout portion 20 that protrudes. That is, in this embodiment, the trunk | drum 12 and the spout part 20 are connected continuously via the shoulder part 14. FIG.

  As shown in FIG. 2, the spout portion 20 is connected to the shoulder portion 14, is connected to the large diameter portion 21 extending upward along the axis L, and is connected to the upper end of the large diameter portion 21. The taper part 22 which is gradually reduced in diameter as it goes is provided with an extraction tube 23 extending upward along the axis L from the inner peripheral end of the taper part 22. Further, a male screw is provided on the outer peripheral surface of the dispensing cylinder 23.

In the present embodiment, a constricted portion 24 that is recessed toward the inside in the radial direction and whose inner diameter is reduced by one step is provided at the proximal end portion of the dispensing cylinder 23, that is, the connection portion with the tapered portion 22.
A connecting portion between the large diameter portion 21 and the tapered portion 22 is provided with a locking portion 25 that protrudes outward in the radial direction.
The container body 11 having such a structure is formed of, for example, a synthetic resin such as polyethylene, polypropylene, or polyethylene terephthalate, and is integrally formed by blow molding.

  The lid portion 30 includes a cylindrical portion 31 that is locked to the container body 10 by the locking portion 25 of the spout portion 20, and an opening of the extraction tube 23 that is located radially inward of the cylindrical portion 31. A lid main body 32 that seals the portion, and the cylindrical portion 31 and the lid main body 32 are connected by a breakable portion 33. The easy-to-break portion 33 is configured by arranging a plurality of connecting portions 34 having a small thickness at intervals in the circumferential direction.

The cylindrical portion 31 has a substantially cylindrical shape, and its inner diameter is substantially the same as the outer diameter of the locking portion 25 portion provided at the connecting portion between the large diameter portion 21 and the tapered portion 22 of the spout portion 20. Has been. A locking piece 35 that protrudes inward in the radial direction and engages with the locking portion 25 is provided at the base end (lower end in FIG. 2) of the cylindrical portion 31.
Further, at the upper end portion of the cylindrical portion 31, an engagement convex portion 36 that protrudes radially inward from the inner peripheral surface is disposed with a gap in the circumferential direction. In the present embodiment, the plurality of engaging projections 36 constitute a screw portion that can be screwed into a male screw portion formed in the mouth tube portion 51 of another container body 50.

The lid body 32 has a cylindrical peripheral wall portion 37, an annular top plate portion 38 continuously provided at the upper end of the peripheral wall portion 37, and an inner peripheral end of the annular top plate portion 38. A projecting sealing convex portion 39. On the inner peripheral surface of the peripheral wall portion 37, a female screw that is screwed into a male screw provided on the outer peripheral surface of the dispensing tube 23 is formed.
The annular top plate portion 38 is provided with a fitting tube portion 40 that extends downward from the inner surface of the annular top plate portion 38 and can be fitted into the inner peripheral surface of the upper end portion of the extraction tube 23.

The sealing convex portion 39 has an outer shape that is cylindrical, and the outer diameter thereof is the same as the inner diameter of the constricted portion 24 provided in the dispensing cylinder 23, and the sealing convex portion 39 and the constricted portion 24 have the same outer diameter. The dispensing cylinder 23 is sealed in an airtight state by being in close contact with the inner peripheral surface.
The lid portion 30 having such a configuration is integrally formed including the cylindrical portion 31, the lid body 32, and the easily breakable portion 33.

Next, with reference to FIG. 4, the operation | work of inject | pouring the content to the other container body 50 by the container 10 for refilling which is this embodiment is demonstrated.
As shown in FIG. 4, the upper end portion of the other container body 50 is provided with a mouth tube portion 51 protruding upward, and a male screw portion is formed on the outer peripheral surface of the mouth tube portion 51. Yes.

  When filling the other container body 50 with the contents, first, the lid body 32 of the lid portion 30 is gripped and rotated around the axis L with respect to the container body 11 with the cylindrical portion 31 fixed. Let Then, the lid body 32 rotates while the cylindrical portion 31 is fixed, the connecting portion 34 of the breakable portion 33 is broken, and the lid body 32 and the cylindrical portion 31 are separated. Then, the refill container 10 is opened by releasing the screwing of the female screw of the peripheral wall portion 37 of the lid main body 32 and the male screw of the dispensing cylinder 23 and removing the lid main body 32.

  The cylindrical portion 31 remains locked to the container body 10 in the opened state. Here, the cylindrical portion 31 is locked by the locking portion 25 formed at the connecting portion between the large diameter portion 21 and the tapered portion 22 of the spout portion 20, and the dispensing cylinder 23 is Since it is provided so as to be connected to the inner peripheral end, an annular recess 43 is defined between the tubular portion 31 and the dispensing tube 23, and the outer surface of the taper portion 22 is formed by the annular recess 43. It is the bottom.

The pouring cylinder 23 of the refillable container 10 thus opened is inserted into the other container body 50 through the opening of the mouth tube part 51 of the other container body 50, and the mouth of the other container body 50 is also opened. The cylindrical portion 51 is covered with an annular concave portion 43, and the threaded portion formed by the engaging convex portion 36 of the cylindrical portion 31 is screwed into the male screw portion of the mouth cylindrical portion 51, so that the refill container 10 and other containers The body 50 is fixed to each other.
At this time, the open end of the mouth tube portion 51 of the other container body 50 is brought into contact with the outer surface of the tapered portion 22 which is the bottom surface of the annular recess 43, and the refill container 10 and the other container body 50 are brought into contact with each other. Combined in an airtight state.

  When the other container body 50 is squeezed and deformed in a state where the refill container 10 and the other container body 50 are coupled in an airtight state in this way, the air in the other container body 50 is contained in the refill container 10. As the refillable container 10 expands, the internal volume increases. Then, by releasing the squeeze deformation, the inside of the other container body 50 becomes negative pressure, and the contents stored in the inside of the refill container 10 are injected into the other container body 50.

  In the refill container 10 according to the present embodiment, when the lid portion 30 is rotated to open the cap, the tubular portion 31 and the lid main body 32 are separated at the breakable portion 33, and only the tubular portion 31 is present. An annular recess 43 is defined between the container body 11 and the container 11, and remains between the container 11. By arranging the annular recess 43 so as to cover the mouth tube portion 51 of the other container body 50, the refill container 10 and other containers with the extraction tube 23 inserted in the opening of the mouth tube portion 51. The body 50 can be fixed. Accordingly, since the pouring operation can be performed in a state where the dispensing cylinder 23 is inserted and fixed in the other container body 50, there is no possibility that the contents leak out, and the contents are injected into the other container bodies 50. Work can be done easily and reliably.

  Further, a plurality of engaging convex portions 36 are provided on the inner peripheral surface of the cylindrical portion 31, and the plurality of engaging convex portions 36 constitute a screw portion that can be screwed into the male screw portion of the mouth cylindrical portion 51. Therefore, the cylindrical part 31 and the mouth cylinder part 51 can be fixed by screwing. Therefore, the refill container 10 does not wobble during the injection operation, and the injection operation can be performed more reliably.

  Further, the lid portion 30 has a structure in which the cylindrical portion 31 and the lid body 32 are connected via the breakable portion 33, and when the refillable container 10 is opened, the breakable portion 33 Since the connecting portion 34 is broken, it can be easily determined visually whether or not it is already opened.

  Further, the lid main body 32 is provided with a sealing convex portion 39 which is connected to the inner peripheral end of the annular top plate portion 38 and protrudes downward, and this sealing convex portion 39 is provided on the dispensing tube 23. Since the dispensing cylinder 23 can be sealed in an airtight state by being in close contact with the inner peripheral surface of the constricted portion 24, the contents and the air are prevented from entering the refilling container 10 and the like. It is possible to reliably prevent deterioration and alteration of the contents by preventing contact with the contents.

  Moreover, the outer surface of the taper part 22 which makes the bottom face of the annular recessed part 43 defined between the extraction pipe | tube 23 and the cylindrical part 31 is an airtight state with the opening end surface of the mouth cylinder part 51 of the other container body 50. Since the other container body 50 and the refilling container 10 are fixed as described above, the other container body 50 is squeezed to refill the air in the container body 50 because it is configured to abut. By releasing the squeeze deformation after flowing into the container 10 once, the other container body 50 becomes in a negative pressure state, and the contents in the refill container 10 can be sucked into the other container body 50. And the injection | pouring to the other container body 50 can be performed efficiently. Moreover, even highly viscous contents can be reliably injected into another container body 50.

As mentioned above, although the refill container which is embodiment of this invention was demonstrated, the technical scope of this invention is not limited to this, It can change suitably in the range which does not deviate from the technical idea of this invention.
For example, in this embodiment, although it demonstrated as what provided the some engagement convex part in the internal peripheral surface of the cylindrical part, and formed the thread part, it is not limited to this but undercut engagement is carried out. For this purpose, an engagement convex portion may be provided. Moreover, it is good also as a structure which does not have an engagement convex part (engagement part) and is fixed by fitting with a cylindrical part and the opening | mouth cylinder part of another container body.

  Furthermore, although it has been described as having a configuration in which a constriction is formed in the dispensing tube and a sealing projection is formed in the lid, and the constriction and the sealing projection are in close contact and sealed in an airtight state. The constricted part and the sealing convex part may not be formed.

Further, the shapes of the trunk and the bottom are not limited to the present embodiment, and can be designed as appropriate.
Furthermore, although it demonstrated as what contains highly viscous contents, such as a treatment, there is no limitation in particular in the contents accommodated, Foods, such as a drink liquid and a seasoning, shampoo, liquid soap, etc. may be sufficient.

  It is possible to provide a refillable container that can easily and reliably perform the operation of injecting contents into another container body.

It is side surface partial sectional drawing of the container for refill which is embodiment of this invention. It is a side surface enlarged view of the spout part and lid part of the container for refill shown in FIG. It is a top view of the cover part of the container for refill shown in FIG. It is explanatory drawing which shows the state which inject | pours the contents into another container body using the container for refilling of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Refill container 11 Container main body 12 Trunk part 20 Outlet part 23 Outlet cylinder 30 Lid part 31 Cylindrical part 32 Lid main body 33 Breakable part 36 Engaging convex part (engaging part)
39 Sealing convex part (sealing part)
43 annular recess 50 other container body 51 mouth tube part

Claims (3)

In a refill container in which the contents to be injected into another container body are stored,
A cylindrical body and a container body provided with a spout portion continuously provided at the upper end of the trunk portion, and a lid portion attached to the spout portion,
The lid portion includes a cylindrical portion that is locked to the container main body in an opened state, and a lid main body that seals the opening of the spout port, and the cylindrical portion and the lid main body are easily broken. Connected through
The spout part includes a spout cylinder located on the inner peripheral side of the tubular part locked to the container body,
An annular recess that can be attached to the mouth tube portion of the other container body is defined between the dispensing tube and the tubular portion,
The lid body is provided with a sealing portion that is inserted into the container body and is in close contact with the inner peripheral surface of the dispensing cylinder,
The base end portion of the dispensing cylinder is provided with a constricted portion that is recessed inward in the radial direction and whose inner diameter is reduced by one step,
The sealing portion is in close contact with the inner peripheral surface of the constricted portion ,
The upper end portion of the tubular portion is located below the upper end portion of the dispensing tube,
The refillable container , wherein the annular recess is defined between the constricted portion and the cylindrical portion . The refill container according to claim 1,
The refillable container is characterized in that an engagement portion that engages with a mouth tube portion of the other container body is provided on an inner peripheral surface of the tubular portion. In the refill container according to claim 1 or 2 ,
The refillable container is configured such that the bottom surface of the annular recess comes into contact with the open end surface of the mouth tube portion of the other container body in an airtight state.

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