JP4884940B2 - 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 opening of the other container body.
Japanese Patent Laid-Open No. 10-329849 JP 2004-18093 A

However, in the above-described refill container, when the opening of the other container body is small, it becomes difficult to inject the contents in the refill container into the other container body, and the contents are not filled during the injection operation. There was a risk of leakage.
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, the refill container of the present invention is a refillable container for storing contents to be injected into another container body, and has a cylindrical body and an upper end of the body. A reversely deformed portion that is continuously provided and reversely deformed to define a concave portion that is recessed toward the inside of the body portion, and a pouring that is continuously provided at the inner peripheral end of the reversely deformed portion and protrudes upward. has a cylindrical portion, a Oite the reversing deformation portion, the portion serving as the inner peripheral wall of the recess at its inverting deformation, engaged with the other of the container during inversion deformation of the reversing deformation portion and the It is characterized in that an engaging part for fixing the dispensing cylinder part is provided.

The refill container having this configuration has a reversal deformed portion that is reversibly deformed to define a recess, and a dispensing cylinder portion that is connected to the inner peripheral end of the reversible deformable portion. Among them, since the engaging portion that engages with the other container body is provided in the portion that becomes the inner peripheral wall of the concave portion, the extraction cylinder portion is inserted through the opening of the other container body and is defined by the reverse deformation. It is possible to fix the dispensing cylinder portion by locking the engaging portion to another container body in a state where the recessed portion is covered with the opening.
Therefore, since the pouring operation can be performed in a state where the pouring tube portion is inserted and fixed in another container body, there is no risk of the contents leaking out, and the pouring operation can be performed easily and reliably. Can do.

  In addition, since the engaging portion is provided at a portion that becomes the inner peripheral wall of the recess during reverse deformation, when the refill container is manufactured in a state before the reverse deformation, the engagement portion is engaged with the outer peripheral surface of the reverse deformation portion. The joint will be molded. For this reason, an engaging part can be shape | molded comparatively easily and this container for refilling can be manufactured at low cost.

Here, a closing member that closes the upper end opening is provided at the upper end opening of the dispensing tube portion, and the body portion, the reverse deformation portion, the dispensing tube portion, and the closing member are integrated by blow molding. You may shape | mold.
In this case, since the trunk portion, the reverse deformation portion, the dispensing cylinder portion, and the closing member are integrally formed by blow molding, the refill container can be manufactured at a lower cost.
Furthermore, since the molding is performed by blow molding, the engaging portion can be easily molded on the outer peripheral surface of the reverse deformation portion before the reverse deformation.

The engaging portion may be a screw portion that becomes a female screw at the time of reverse deformation.
In this case, if the male screw is formed in the opening of the other container body, the extraction cylinder can be reliably fixed by screwing the male screw of the opening and the screw. . Further, when the screw portion is formed in a state before being reversely deformed, a male screw may be formed on the outer peripheral wall of the reverse deformable portion, so that the screw portion can be formed more easily.

Furthermore, a filling port part for filling the contents in the refill container is provided at the bottom part connected to the lower end of the body part, and the inside of the body part is formed by reversing the filling port part. It is good also as a structure accommodated in the direction.
In this case, the contents can be filled from the filling port portion, and there is no need to fill the contents through the dispensing cylinder portion. Further, by reversing and deforming the filling port portion and accommodating it inside the barrel portion, the bottom portion can be grounded, and this refill container can be made independent.

  According to the present invention, the refill container is inserted into the opening of the other container body, and the reversing deformation portion is reversed and deformed so as to be provided on the inner peripheral wall of the recess. The contents can be injected while being fixed by the engaging portion, and 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 3 show a refill container according to an embodiment of the present invention.
The refill container 10 has a cylindrical body 11 extending along the central axis L, a bottom 12 connected to the lower end of the body 11 (lower side in FIGS. 1 and 2), and the body 11. The shoulder 13 is connected to the upper end (upper in FIG. 1 and FIG. 2) and gradually decreases in cross-section as it goes upward, and is connected to the inner peripheral end of the shoulder 13 and connected to the center. A connecting tube portion 14 projecting upward along the axis L, an inversion deforming portion 15 provided continuously with the upper end of the connecting tube portion 14, and a pouring tube provided continuously with the upper end of the inversion deforming portion 15. Part 16. That is, in this embodiment, the trunk | drum 11 and the inversion deformation | transformation part 15 are provided continuously via the shoulder part 13 and the connection cylinder part 14. FIG.

As shown in FIGS. 1 and 2, the body 11 is configured to gradually expand toward the outside and increase in diameter as it goes upward.
The bottom portion 12 is provided with a filling port portion 17 that protrudes downward. The filling port portion 17 includes a tapered cylinder portion 17A that gradually decreases in diameter as it goes downward, and a filling cylinder portion 17B that protrudes along the central axis L downward from the lower end of the tapered cylinder portion 17A. I have.

As shown in FIG. 1, the reverse deformation portion 15 includes an inclined surface portion 15 </ b> A that gradually decreases in diameter from the inner peripheral portion of the upper end of the connecting tube portion 14 before the reverse deformation, and an upper end of the inclined surface portion 15 </ b> A. And an inversion cylinder portion 15B extending upward. A screw portion 15C is formed as an engaging portion on the outer peripheral surface of the inverted cylinder portion 15B.
When the reverse deformation portion 15 is reversely deformed, as shown in FIG. 2, a concave portion 19 is formed that is recessed toward the inside of the trunk portion 11 (downward in FIG. 2). The outer peripheral surface is inverted to become the inner peripheral wall of the recess 19. As a result, the screw portion 15C formed on the outer peripheral surface of the reverse cylinder portion 15B before the reverse deformation forms a female screw on the inner peripheral wall of the concave portion 19 after the reverse deformation.

  The dispensing cylinder portion 16 provided at the upper end of the reverse deformation portion 15 includes a taper portion 16A extending from the upper end of the reversal tube portion 15B and gradually decreasing in diameter toward the upper side, and a center from the upper end of the taper portion 16A. And a spout portion 16B extending upward along the axis L. A closing member 18 that closes the upper end opening is provided at the upper end opening of the spout portion 16B. The closing member 18 is configured to be easily removed by applying a shearing force.

  In the present embodiment, the length (height) of the dispensing cylinder portion 16 in the central axis L direction is the length (depth) of the concave portion 19 defined by the reverse deformation of the reverse deformation portion 15 (depth). The spout 16B protrudes from the upper end of the recess 19 as shown in FIG. 2 even during reverse deformation. In addition, the internal diameter of this spout part 16B is adjusted according to the viscosity and material of the contents.

  The refill container 10 having such a configuration is formed of a synthetic resin such as polyethylene, polypropylene, or polyethylene terephthalate, and is integrally formed including the closing member 18 by blow molding.

  In the refill container 10 thus formed, the reversing deformation portion 15 is reversed and deformed to define the concave portion 19, and then the refill container 10 is filled with the contents through the filling port portion 17 of the bottom portion 12. . After filling the contents as described above, the filling port portion 17 is sealed by a general means such as heat welding, and is reversely deformed and accommodated inside the body portion 11.

Next, an operation of injecting contents into another container body 20 by the refill container 10 according to the present embodiment will be described with reference to FIG.
As shown in FIG. 3, the upper end portion of the other container body 20 is provided with a mouth tube portion 21 projecting upward, and a male screw portion 21 </ b> A is formed on the outer peripheral surface of the mouth tube portion 21. ing. In the present embodiment, the other container body 20 is used with a pump member (not shown) or the like attached to the mouth tube portion 21.

When filling the other container body 20 with the contents, first, the closing member 18 of the refilling container 10 is twisted to open the upper end opening of the dispensing cylinder 16. Then, the discharge cylinder portion 16 is inserted into the other container body 20 via the mouth tube portion 21 of the other container body 20, and the recess formed by the reverse deformation portion 15 being reversely deformed. 19 is arranged so as to cover the mouth tube part 21. Then, by screwing together the male screw portion 21A of the mouth tube portion 21 and the screw portion 15C formed on the inner peripheral wall of the recess 19 (the outer peripheral surface of the reversing tube portion 15B), the other container body 20 and The refill container 10 is fixed.
The contents in the refill container 10 are injected into the other container body 20 through the extraction cylinder 16 in a state where the extraction cylinder 16 is fixed in this manner.

  As described above, the refill container 10 having such a configuration has the reverse deformation portion 15 that reversely deforms to define the concave portion 19, and is centered upward from the inner peripheral end of the concave portion 19. Since the extraction cylinder part 16 protruding along the axis L is provided, the extraction cylinder part 16 is inserted into the other container body 20 through the mouth cylinder part 21 of the other container body 20, and the recess 19 can be arranged so as to cover the mouth tube part 21. And since the screw part 15C used as an internal thread is formed in the part used as the inner peripheral wall of the recessed part 19 (outer peripheral surface of the inversion cylinder part 15B), this screw part 15C is used as the mouth tube part 21 of the other container body 20. The screwing cylinder part 16 can be fixed by being screwed into the male screw part 21A formed on the outer peripheral surface.

Since the operation of injecting the contents into the other container body 20 is performed in a state in which the dispensing cylinder portion 16 is fixed in this manner, there is no risk of the contents leaking out, and the injection operation can be performed easily and reliably. It can be carried out.
Further, by forming the screw portion 15C on the outer peripheral surface of the reverse cylinder portion 15B before the reverse deformation, it becomes possible to form a female screw on the inner peripheral wall portion of the concave portion 19, and the screw portion 15C can be relatively easily made. Can be molded. Therefore, this refill container 10 can be manufactured at low cost.

Moreover, the closing member 18 which closes this upper end opening part is provided in the upper end opening part of the pouring cylinder part 16, and the trunk | drum 11, the shoulder part 13, the inversion deformation part 15, the pouring cylinder part 16, and a closing member Since 18 is integrally molded by blow molding, the refill container 10 can be manufactured at low cost.
Furthermore, since the screw portion 15C is formed on the outer peripheral surface of the reverse cylinder portion 15B of the reverse deformation portion 15 before the reverse deformation by blow molding, the screw portion 15C can be formed more easily.

Moreover, since the filling port part 17 for filling the contents in the refilling container 10 is provided in the bottom part 12 connected to the lower end of the body part 11, the contents are filled from the filling port part 17. Therefore, it is not necessary to fill the contents through the dispensing cylinder portion 16.
Further, since the filling port portion 17 is configured to be accommodated inside the body portion 11 by being inverted and deformed, the bottom portion 12 can be grounded, and the refill container 10 can be made self-supporting. it can.

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 the present embodiment, the description has been made assuming that the thread portion is formed as the engaging portion, but the present invention is not limited to this, and an engaging convex portion (engaging concave portion) for undercut engagement is provided. However, it may be anything as long as it can be engaged with another container body and the extraction tube portion can be fixed.

In addition, although the closing member that closes the opening of the dispensing cylinder portion is integrally molded by blow molding, the closing member is not limited to this, and the closing member such as a cap material or a seal member is separated. May be provided.
Furthermore, the bottom portion is provided with a filling port portion for filling the contents in the refill container, and this filling cylinder portion is described as being configured to be accommodated inside the trunk portion. It does not have to be provided. When the filling port portion is not provided, it is necessary to fill the contents through the dispensing tube portion, and therefore it is preferable that the closing member is separated as described above.

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 provided the connection cylinder part between the trunk | drum and a reverse deformation | transformation part, this connection cylinder part does not need to be provided.

In addition, the reverse deformation portion is reversely deformed to define the concave portion, and then the content is filled in the refill container. However, the present invention is not limited to this, and the content is placed in another container body. The concave portion may be defined by reversing deformation when filling.
Further, the contents filled in the refill container are not particularly limited, and can be filled with food such as beverages and seasonings, shampoo, liquid soap and the like.

  It is possible to provide a refillable container that can easily and surely inject contents into another container body and can be manufactured at low cost.

It is side surface partial sectional drawing of the container for refill which is embodiment of this invention. It is a side surface fragmentary sectional view which shows the state which carried out the reverse deformation of the reverse deformation part of the container for refilling of 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 Trunk part 12 Bottom part 15 Inversion deformation part 15C Screw part (engagement part)
16 Dispensing cylinder part 17 Filling port part 18 Closing member 19 Recessed part 20 Other container body 21 Portion cylinder part

Claims (4)

In a refill container in which the contents to be injected into another container body are stored,
A cylindrical body, an inversion deformable portion that is connected to the upper end of the body, and that is reversely deformed to define a recess recessed toward the inside of the body, and an inner periphery of the inversion deformable portion An extraction tube portion that is connected to the end and protrudes upward;
Oite the reversing deformation portion, engaged its inner wall to become part of the recess at the time of reversal deformation, for fixing the pouring cylinder portion engaged with the other of the container during inversion deformation of the reversing deformation portion A refill container characterized in that a joint is provided. The refill container according to claim 1,
A closing member for closing the upper end opening is provided at the upper end opening of the dispensing cylinder part,
The refill container, wherein the body portion, the reverse deformation portion, the dispensing cylinder portion, and the closing member are integrally formed by blow molding. In the refill container according to claim 1 or 2,
The refillable container, wherein the engaging portion is a screw portion that becomes a female screw at the time of reverse deformation. In the refill container according to any one of claims 1 to 3,
A filling port part for filling the contents in the refill container is provided at the bottom part connected to the lower end of the body part,
The filling port portion is configured to be accommodated inside the body portion by being inverted and deformed.

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