WO2017038783A1

WO2017038783A1 - Spout-equipped container and refilling method

Info

Publication number: WO2017038783A1
Application number: PCT/JP2016/075250
Authority: WO
Inventors: 真司渡辺; 稲川　義則; 文人鈴木; 貢岩坪
Original assignee: 花王株式会社; 株式会社フジシールインターナショナル
Priority date: 2015-08-31
Filing date: 2016-08-29
Publication date: 2017-03-09
Also published as: TWI673212B; US20180208337A1; JP6901835B2; JP2017047971A; TW201711931A

Abstract

Provided is a spout-equipped container (100) that is used for refilling, with contents, a container to be refilled, and that comprises a refill container spout (1) and a flexible container body (2); wherein the contents are accommodated inside the container body (2); the refill container spout (1) comprises an attachment section (19) that is attached to the container body (2), and a tubular nozzle section (11) that provides communication between the inside and the outside of the container body (2); the nozzle section (11) has, on the inner surface (11c) side of a lower section (C) when equally dividing the nozzle section (11) into thirds in the height direction, a narrowing protrusion (14) that protrudes towards the center of the nozzle section (11); the narrowing protrusion (14) forms a flow path through which the contents pass at the tip side of the direction of protrusion thereof, extends along the circumferential direction of the nozzle section (11), and has a length exceeding 50% of the full-length of the inner circumference of the nozzle section (11); and the container body (2) has a top surface part, a front surface part, a rear surface part and a bottom part, and the attachment section (19) of the refill container spout is attached to the top surface part.

Description

Spouted container and refilling method

The present invention relates to a spouted container and a refilling method.

2. Related Art Discharge containers (dispenser containers) that contain contents such as shampoo, rinse, conditioner and the like, operate a pump mechanism by pushing down the pressing head, and discharge the liquid from a spout provided in the pressing head are known. In addition, a dispensing container having a cap with a dispensing nozzle is widely used for liquid detergents for washing and tableware, liquid foods such as soy sauce and sauces, and the like.
Such discharge containers and dispensing containers are sometimes sold as single-use packaging containers with the contents contained, but in recent years, from the viewpoint of resource saving, the contents liquid is refilled from the refill container. Increasingly, it is provided as a refillable container for repeated use.
By the way, when refilling the contents in the refill container into a refill container such as a discharge container or a dispensing container, it is desirable to reduce the amount of the content remaining in the refill container as much as possible from the viewpoint of preventing waste of the content liquid. .

Patent Document 1 does not relate to refilling from a refill container to a refill container, but when filling the contents of a container body with a cap from a filling nozzle, the contents to be filled are contained in the container body. In order to prevent adhering to the tip of the container mouth, a protrusion protruding in a ring shape is provided inside the container mouth, and the filling nozzle is moved to the position of the protrusion in the container mouth of the container to be refilled. A container with a cap and a filling nozzle that can inject contents in an inserted state are disclosed.
Patent Document 2 describes that ribs extending along the flow path are provided on the inner surface side of the nozzle portion of the refill container.

Japanese Patent Laid-Open No. 2015-24848 JP 2006-89133 A

The present invention relates to a spouted container used for refilling a refillable container with contents. The spout-equipped container includes a refillable container spout and a flexible container main body, and contents are accommodated inside the container main body. The refill container spout includes a cylindrical nozzle portion that communicates the inside and the outside of the container main body portion and a fixing portion that is fixed to the container main body portion. When the nozzle portion is divided into three equal parts in the height direction and divided into an upper portion, a middle portion, and a lower portion having a dispensing side opening, the nozzle portion faces the inner surface side of the lower portion toward the center of the nozzle portion. And a squeezing projection protruding. The throttle projection forms a flow path through which the contents pass on the distal end side in the projection direction of the throttle projection, extends along the circumferential direction of the nozzle portion, and has a total length in the circumferential direction of the inner surface of the nozzle portion. On the other hand, it has a length of more than 50%. The said container main-body part has a top | upper surface part, a front-surface part, a back surface part, and a bottom part.
The fixing part of the refill container spout is fixed to the top surface part.

The present invention also relates to a refilling method for refilling the contents of the refillable container using the spouted container. A step of inserting the nozzle portion of the spouted container into the container mouth of the refillable container and pouring the contents into the refillable container in a state where the spouted container is inverted.

FIG. 1 is a perspective view showing an embodiment of a spouted container of the present invention which is a refill container. 2 (a) to 2 (c) are views showing a spout for a refill container used in the container with a spout shown in FIG. 1, FIG. 2 (a) is a perspective view, and FIG. FIG. 2C is a cross-sectional view taken along line II-II, and FIG. 2C is a plan view. FIG. 3 is a longitudinal sectional view showing the vicinity of the nozzle portion in the closed state of the spouted container shown in FIG. Fig.4 (a) is a schematic cross section which shows the state immediately after the start of refilling at the time of refilling the contents from the container with a spout shown in FIG. 1 to a to-be-refilled container, FIG.4 (b) is FIG.4 after completion of refilling. It is a schematic cross section which shows the cross section corresponding to (a). Fig.5 (a) is a schematic cross section which shows the state immediately after the start of the refilling at the time of refilling the contents to the refilling container from the container with a spout which does not have a squeeze protrusion, FIG.5 (b) is a figure after completion of refilling. It is a schematic cross section which shows the cross section corresponding to 5 (a). 6 (a) to 6 (d) are explanatory views of a preferred embodiment of the diaphragm protrusion, each of which is a schematic sectional view showing a longitudinal section by a plane including the central axis of the nozzle portion. FIG. 7A to FIG. 7E are explanatory views of another preferred embodiment of the diaphragm protrusion, each of which is a schematic sectional view showing a longitudinal section by a plane including the central axis of the nozzle portion. FIG. 8A to FIG. 8C are views showing another example of the aperture portion formed in the nozzle portion by the aperture protrusion [corresponding to FIG. 2C]. FIG. 9 is a partially broken perspective view showing another embodiment of a spout for a refill container. FIGS. 10 (a) to 10 (d) are schematic diagrams showing a refilling process when the contents are refilled from the spouted container shown in FIG. 1 into the refillable container.

Detailed Description of the Invention

The protrusion described in Patent Document 1 is formed not in the nozzle portion of the refill container but in the container mouth portion of the container that is filled with the contents by the filling nozzle. A device for reducing the amount of contents remaining in the department as much as possible is not disclosed. Further, the rib protruding from the inner surface of the nozzle part described in Patent Document 2 is a rib extending along the flow path, and there is no effect of reducing the amount of contents remaining in the nozzle part. Is also very small.

An object of the present invention is to solve the above-described solution problems of the prior art.

Below, this invention is demonstrated based on the preferable embodiment.
A spouted container 100 shown in FIG. 1 is an embodiment of a spouted container according to the present invention that is a refill container, and includes a refillable container spout 1 having the form shown in FIGS. 2 (a) to 2 (c). Yes.
The spouted container 100 of this embodiment includes a refillable container spout 1 and a container body 2, and further includes a cap 3.
The refillable container spout 1 can be made into a spouted container 100 having a nozzle portion 11 with a content extraction path 12A inside by fixing it to the bag-shaped container main body 2. In a spouted container 100 shown in FIG. 1, a refillable container spout 1 shown in FIGS. 2 (a) to 2 (c) is fixed to a container body 2 made of a soft packaging material.

The refill container spout 1 according to the present embodiment (hereinafter also simply referred to as a container spout 1) has a cylindrical nozzle portion communicating between the inside and the outside of the container as shown in FIGS. 2 (a) to 2 (c). 11 and a fixing part 19 fixed to the container body 2.
The nozzle portion 11 of the container spout 1 has a cylindrical shape whose upper and lower ends are open, and the extraction side opening portion 12 serving as the outlet for the contents 5 during the refilling operation and the extraction side opening portion 12 side are: The container main body side opening part 13 located in the other side is provided. The nozzle portion 11 includes an outer surface 11a that forms the outer peripheral surface of the cylinder, an upper end portion 11b that forms the peripheral portion of the dispensing-side opening 12, an inner surface 11c that forms the inner peripheral surface of the cylinder, and a container body-side opening. It has a lower end 11d that forms 13 peripheral portions.
The fixing portion 19 is connected to the nozzle portion 11 so as to protrude in the horizontal direction from the lower end portion of the nozzle portion 11. The fixing portion 19 shown in FIGS. 2A to 2C is an annular plate-like body having a substantially rectangular shape in plan view, but the form of the fixing portion 19 can be arbitrarily changed. For example, the adhering portion 19 may be an annular plate-like body projecting from the outer surface of the nozzle portion 11 in a substantially horizontal direction, and the shape of the outer peripheral edge in plan view may be a circle, an ellipse, a hexagon, or the like.

As shown in FIG. 1, the container body portion 2 of the spouted container 100 includes a top sheet portion 21, a front sheet portion 22, a back sheet portion 23, and a bottom sheet portion 24, and the top surface portion is formed by the top sheet portion 21. The front sheet portion 22 forms a front portion, the back sheet portion 23 forms a back portion, and the bottom sheet portion 24 forms a bottom portion. In the container main body 2, the

side edge portions

22 s and 22 s on both sides of the front sheet portion 22 and the

side edge portions

23 s and 23 s on both sides of the back sheet portion 23 are joined, and the front sheet portion 22 and the back sheet portion 23 are joined. The peripheral edge portion of the bottom sheet portion 24 is joined to the lower end portion of the cylindrical body composed of In the upper part of the container main body 2, the upper end edge 22 t of the front sheet portion 22 and the front edge portion 21 s of the top sheet portion 21 are joined, and the upper end edge 23 t of the back sheet portion 23 and the top sheet portion 21. The edge portion 21s ′ on the back side is joined. The container body 2 in the present embodiment is thus formed into a bag shape by joining the top sheet portion 21, the front sheet portion 22, the back sheet portion 23, and the bottom sheet portion 24, An accommodating portion 25 capable of accommodating a liquid content is formed inside. The spouted container 100 of the present embodiment is a pouch container in which the container body 2 is made of a flexible sheet material. The spout-equipped container of the present invention is not limited to a container that can stand on its own, but the spout-equipped container 100 of the present embodiment is a container that can stand on its own in a state in which at least the contents are stored.

The front part, the bottom part, the back part and the top part constituting the container main body part 2 may be formed from a single continuous sheet material. For example, the container main body 2 can be manufactured by the manufacturing method and apparatus disclosed in WO2008 / 096392. Any two or three of the front part, bottom part, back part and top part are formed from one continuous sheet, and the remaining part is formed from another sheet, or the front part, bottom part The part, the back part and the top part can also be formed by separate sheets.

As shown in FIG. 3, the container main body 2 has a through hole 21 a for attaching a spout on the top surface portion formed of the top surface sheet portion 21, and the container spout 1 described above includes the nozzle portion 11 described above. Is fixed to the container main body 2 by bonding the upper surface of the plate-like fixing portion 19 to the lower surface of the top surface portion, more specifically, the lower surface of the top surface sheet portion 21. Has been.
With such a configuration, when the contents in the container main body 2 are refilled into the refill container, the contents move along the lower surface of the fixing portion 19 and smoothly flow into the nozzle portion 11. Thereby, the quantity of the content which remains in the container main-body part 2 or the nozzle part 11 can be reduced more reliably.
Various known methods such as heat sealing, ultrasonic sealing, high-frequency sealing, adhesive, etc. are used as the bonding method between the sheet parts constituting the container main body 2 and the bonding of fixing the fixing portion 19 to the container main body 2. Can be used.

As shown in FIG. 2B, the nozzle portion 11 of the container spout 1 according to the present embodiment has the extraction side opening portion 12 of the nozzle portion 11 vertically upward, and the central axis L of the nozzle portion 11 is vertical. When the nozzle portion 11 is divided into three equal parts in the height direction Y along the vertical direction and divided into an upper part A, an intermediate part B, and a lower part C having a dispensing side opening 12, On the inner surface 11 c side of the lower part C, there is a stop projection 14 that protrudes toward the center of the nozzle part 11. More specifically, the diaphragm protrusion 14 protrudes in a direction approaching the central axis L along a horizontal direction that is a direction orthogonal to the central axis L of the nozzle portion 11.
The diaphragm protrusion 14 reduces the horizontal cross-sectional area of the space in the nozzle part 11, and the horizontal cross-sectional area of the contents 5 flowing in the nozzle part 11 is the height of the lower part C of the nozzle part 11. The squeezing is performed in a part or the entire region in the direction, and is preferably performed in a part of the lower part C. In other words, the aperture protrusion 14 forms an aperture portion 12A ′ in the nozzle portion 11 where the horizontal sectional area of the space in the nozzle portion 11 is partially reduced.

Further, the throttle protrusion 14 in the present embodiment forms a flow path through which the contents pass on the tip side in the protruding direction of the throttle protrusion 14. In the present invention, it is only necessary that the throttle protrusion 14 has a main flow path formed on the tip end side in the protruding direction of the throttle protrusion 14 in the nozzle portion 11. There may be a portion without the protrusion 14, and this portion may form a part of the flow path.

As shown in FIG. 2C, the aperture protrusion 14 in the present embodiment is formed in an annular shape on the inner surface 11 c side of the nozzle portion 11, and exceeds 50% with respect to the total circumferential length of the inner surface of the nozzle portion 11. Has a length of More specifically, the diaphragm protrusion 14 has the same length in the circumferential direction of the nozzle portion 11 as the entire length in the circumferential direction of the inner surface of the nozzle portion 11, in other words, the inner surface of the nozzle portion 11. The total length in the circumferential direction is 100%.
The nozzle portion 11 in the present invention has a portion that does not have the squeezing projection 14 on a part of the inner surface of the nozzle portion 11 in the circumferential direction like the spout for a refill container shown in Table 1 used in Examples 2 to 4 described later. As shown in Table 1 used in Examples 3 and 4 and Comparative Example 1, a plurality of throttle protrusions 14 are formed at intervals in the circumferential direction of the nozzle portion 11. May be.
The aperture protrusion 14 in the present invention has a length of more than 50% and 100% or less, preferably 60% or more and 100% or less, more preferably, with respect to the entire circumferential length of the inner surface of the nozzle portion 11. Has a length of 85 to 100%.
Here, the circumferential length of the inner surface of the nozzle portion 11 is a length along the circumferential direction of the nozzle portion 11, and is measured along the inner surface of the nozzle portion 11. Further, when a plurality of aperture projections 14 are formed at intervals in the circumferential direction of the nozzle portion 11, the total length of the plurality of aperture projections 14 along the circumferential direction of the inner surface of the nozzle portion is calculated. The length of the diaphragm protrusion 14 is assumed.
The length of the diaphragm protrusion 14 is the length at the base end in the protruding direction of the diaphragm protrusion 14, that is, the boundary with the inner surface 11c of the nozzle portion 11, and is measured along the circumferential direction of the inner surface 11c of the nozzle portion 11. To do.

As shown in FIG. 2, the spout for the refill container and the nozzle portion are arranged at the center of the cylindrical nozzle portion 11 with the dispensing side opening 12 side directed vertically upward as shown in FIG. In a state where the line L is parallel to the vertical direction Y, the vertical direction is an upper side, a vertical direction, a horizontal direction (a direction perpendicular to the vertical direction), and a direction parallel to the vertical direction Y.

The spouted container 100 of the present embodiment is refilled or refilled with a content 5 to be poured or discharged into a refill container such as a discharge container (dispenser container) or a discharge container having a cap with a discharge nozzle. It is preferably used as a refill container used for the purpose.

According to the spout 1 for containers and the spout-equipped container 100 of the present embodiment, when the contents 5 are refilled from the spout-equipped container 100 to the refill container 4 as shown in FIGS. 4A and 4B, for example. In addition, the amount of the content 5 remaining in the nozzle portion 11 after the content 5 is refilled in the refill container 4 can be greatly reduced.
The reason is considered as follows.
That is, as shown in FIG. 4A, the content 5 flowing into the nozzle portion 11 from the container body side opening portion 13 is in a state where the cross-sectional area of the flow is narrowed by the restricting projection 14, and the dispensing side opening portion is opened. After flowing toward the portion 12, it is injected into the refill container 4 from the dispensing side opening 12. Thereby, the degree to which the contents 5 come into contact with the inner surface 11c of the nozzle part 11 is reduced, thereby reducing the amount of the contents 5 remaining in the nozzle part 11 after refilling.
On the other hand, when the nozzle part 11 does not have the throttle protrusion 14, as shown in FIG. 5A, the content 5 that has flowed into the nozzle part 11 from the container body side opening part 13 After flowing toward the extraction side opening 12 in a state where a wide range is in contact with the inner surface 11c of the liquid, it is injected into the refill container 4 from the extraction side opening 12. Thereby, as shown in FIG.5 (b), the quantity of the content 5 which remains in the nozzle part 11 after refilling tends to increase. Note that the container spout 1B shown in FIG. 5 has the same configuration as the container spout 1 shown in FIG.

The refillable container 4 shown in FIGS. 4 and 5 has a cylindrical container mouth part 41 at the upper end of the body part 42, and the nozzle part 11 of the spout 1 for containers and the container 100 with spout of this embodiment. Can be injected into the refill container 4 with the contents inserted into the container mouth portion 41. The refillable container 4 shown in FIGS. 4 and 5 can be used as a discharge container or a dispensing container by attaching a cap with a dispenser or a cap with a dispensing nozzle to the container opening 41 so as to be detachable.

The refilling method of the present invention is a method for refilling the contents into a refillable container using the container with spout.
The refilling method of the present invention has a step of inserting the contents of the spouted container into the refillable container while the spouted container is inserted into the container mouth of the refillable container and the spouted container is inverted. As a specific procedure, it can be performed as follows, for example.
[Step 1] The spouted container 100 of the present invention is held in one hand and the refill container 4 is held in the other hand [see FIG. 10 (a)].
[Step 2] The nozzle portion 11 of the spouted container 100 is inserted into the container mouth portion 41 of the refillable container 4 [see FIG. 10A].
[Step 3] The refill container 4 is placed on a table or the like substantially perpendicularly to the placement surface together with the inverted spouted container 100 (see FIG. 10B).
[Step 4] While the container body 2 of the inverted spouted container 100 is crushed from the bottom toward the nozzle 11, the contents 5 are poured into the refill container 4 [see FIG. 10 (c)]. .
As a method of crushing the container main body 2 from the bottom surface toward the nozzle portion 11, the front surface and the back surface in which the inner surfaces are brought into contact with each other or close to each other, the bottom surface is wound inward, and the front surface side or the back surface It is preferable to fold one or more times to the side.
[Step 5] While maintaining the container body 2 in a flat state, the contents 5 are taken out from the spouted container 100 [see FIG. 10 (d)].

In addition, said refilling method may be displayed in any part of the container with a spout. The display is preferably displayed on the container main body, and is preferably displayed on the front surface or the back surface. Moreover, the display method can employ | adopt arbitrary methods, such as sticking of a label and direct printing and description to a container main-body part.
The refilling method to be displayed may be simply inserting the nozzle part of the spouted container into the container mouth part of the refillable container and pouring the contents into the refillable container with the spouted container inverted.

Liquid contents 5 to be filled into the refill container 4 include liquid hair care agents such as shampoos, hair conditioners and hair rinses, liquid soaps such as body soaps and hand soaps, liquid detergents for clothes and dishes, softeners and bleaches. Liquid detergents for bath toilets and floor cleaning, liquid cosmetics, liquid pharmaceuticals and the like.
In particular, a liquid having a high viscosity, such as a conditioner or a rinse, tends to adhere to the inner surface of the nozzle portion 11 of the refill container and remain in the nozzle portion 11, so that the advantage of the present invention is even greater.
Examples of the liquid having a high viscosity include those having a viscosity measured by the following method of 10,000 mPa · S or more and 65,000 mPa · S or less. As shown in b), the liquid hardly remains in the nozzle portion 11.
[Measurement method of viscosity]
BR type viscometer (TVB-10 type manufactured by Toki Sangyo Co., Ltd.), rotor No. The viscosity at a temperature of 30 ° C. was measured using TC (10 rpm, 1 minute).

From the viewpoint of preventing further contents from remaining in the nozzle portion 11, the restricting projection 14 is formed on the container body of the nozzle portion 11 as shown in FIGS. 2 (b) and 6 (a) to 6 (d). It is preferable that it is formed at the end on the part side. The end portion on the container main body side of the nozzle portion 11 is an end portion on the container main body side opening 13 side in the height direction Y of the nozzle portion 11.

From the viewpoint of preventing further contents from remaining in the nozzle portion 11, the distance Tu (see FIG. 2B) from the upper end 14u of the maximum protruding portion of the throttle protrusion 14 to the upper end portion 11b of the nozzle portion is determined by the nozzle portion. The height T of 11 is preferably 85% or more, more preferably 90% or more, and preferably 98% or less, more preferably 95% or less, and preferably 85% or more and 98% or less, more preferably Is 90% or more and 95% or less. From the same viewpoint, the distance Tu is preferably 110% or more, more preferably 116% or more, and preferably 127% or less of the inner diameter L1 of the nozzle portion 11 (in the case of a non-circular cross section, equivalent circle diameter). More preferably, it is 123% or less, preferably 110% or more and 127% or less, more preferably 116% or more and 123% or less.
The height T and the inner diameter L1 of the nozzle part 11 are not particularly limited, but the height T of the nozzle part 11 is preferably, for example, from the viewpoint of easy refilling of the contents into the refill container. It is 15 mm or more and 30 mm or less, More preferably, it is 20 mm or more and 25 mm or less. On the other hand, the inner diameter L1 of the nozzle part 11 is preferably 12 mm, for example, from the viewpoint that the contents can be easily refilled into the refill container even if the contents are high in viscosity, and the amount of the contents remaining in the nozzle part can be further reduced. The thickness is 24 mm or less and more preferably 16 mm or more and 20 mm or less. The inner diameter L1 of the nozzle portion 11 is measured at the central position in the height direction, preferably the inner diameter L1 at a portion where no diaphragm protrusion exists in the height direction of the nozzle portion 11.

From the viewpoint of preventing further contents from remaining in the nozzle portion 11, the throttle protrusion 14 has a protrusion height T3 (see FIG. 2B), preferably 1 mm or more, more preferably 2 mm or more, Further, it is preferably 4 mm or less, more preferably 3 mm or less, and preferably 1 mm or more and 4 mm or less, more preferably 2 mm or more and 3 mm or less. The X direction in FIG. 6 is the protruding direction of the diaphragm protrusion 14.
Further, the protrusion height T3 is preferably 4% or more, more preferably 10% or more, and preferably 17% or less of the inner diameter L1 of the nozzle portion 11 (in the case of a non-circular cross section, equivalent circle diameter). More preferably, it is 13% or less, preferably 4% or more and 17% or less, more preferably 10% or more and 13% or less.

Further, from the viewpoint of preventing the contents from remaining in the nozzle portion 11, the throttle protrusion 14 has an inclination angle θ1 of the surface 14a on the dispensing side opening 12 side of the nozzle portion 11 with respect to the inner surface 11c of the nozzle portion. The angle is preferably 120 ° or less, more preferably 100 ° or less, still more preferably 95 ° or less, preferably 30 ° or more, more preferably 60 ° or more, and still more preferably 85 ° or more.
On the other hand, the inclination angle θ2 of the surface 14b on the container body side of the nozzle portion 11 with respect to the inner surface 11c of the nozzle portion 11 can take an arbitrary angle in the range of more than 0 ° and less than 180, and is 90 ° or more and 150 ° or less. It is preferable that

The inclination angle θ1 and the inclination angle θ2 are measured in a longitudinal section cut along a plane passing through the central axis L of the nozzle portion, as shown in FIGS. 2 (b) and 6 (a) to 6 (d). 6A has an inclination angle θ1 and an inclination angle θ2 of 90 °, and the diaphragm protrusion 14 shown in FIG. 6B has an inclination angle θ1 of 45 ° and an inclination angle. θ2 is 120 °. As shown in FIGS. 6A, 6C, and 6D, the surface 14a on the extraction opening 12 side of the throttle protrusion 14 is substantially perpendicular to the inner surface 11c of the nozzle portion 11. Preferably there is. In that case, the inclination angle θ1 is not less than 85 ° and not more than 95 °.
6A to 6D, an arrow F indicates the moving direction of the content liquid when the content liquid in the refill container is refilled into the refill container via each nozzle unit 11.

As shown in FIGS. 6 (b), 6 (c) and 6 (d), the surface 14 b on the container main body side of the nozzle portion 11 is drawn out of the nozzle portion 11. It is preferable to incline toward the side opening 12 side.
As shown in FIG. 3, it is preferable that the tip 14 t of the throttle protrusion 14 is chamfered along the periphery of the opening 13 on the container main body side of the nozzle portion 11.
Thus, when the surface 14b on the container main body side of the nozzle portion 11 in the entire region or the tip portion in the protruding direction X of the throttle protrusion 14 is inclined toward the dispensing side opening 12 side of the nozzle portion 11. When the contents in the container main body 2 are refilled into the refill container, the contents smoothly flow into the nozzle 11 and the amount of the content remaining in the container main body 2 and the nozzle 11 is determined. It can be reduced more reliably.
6A to 6D are also formed over the entire length of the inner surface of the nozzle portion in the circumferential direction, but a part or a plurality of portions in the circumferential direction of the nozzle portion are also formed. It may be partially formed.

3, the spouted container 100 of the present embodiment can liquid-tightly seal the dispensing-side opening 12 by screwing the cap 3 to the nozzle 11 as shown in FIG. 3. More specifically, the container spout 1 includes a screw 15 for screwing a cap on the outer peripheral surface of the nozzle portion 11, and the cap 3 is an inner portion of a cylindrical portion 32 that hangs down from the peripheral edge of the top surface portion 31. The peripheral surface 32 a has screw threads 33 for screwing corresponding to the screw threads 15. Note that the cap 3 has an annular inner ring 35 that hangs down from the top surface portion 31 at a position away from the cylindrical portion 32 in the top surface portion 31, so that the sealing performance when the lid is closed is improved.

The spout 1 for a refill container in the present invention is preferably made of a synthetic resin. Moreover, it is preferable that the aperture protrusion 14 is provided in the nozzle part 11 by integral molding. Moreover, it is preferable that the nozzle part 11 and the adhering part 19 are integrally formed by injection molding of synthetic resin. Examples of the synthetic resin constituting the refill container spout include polyolefins such as polyethylene (PE), polypropylene (PP), and polybutene, polyesters such as polyethylene terephthalate (PET), polyamide, polyvinyl chloride, polystyrene, and polylactic acid. Can be mentioned. The cap 3 is also preferably made of a synthetic resin.
Each of the refill container spout 1 and the cap 3 is preferably made of synthetic resin, but may be made of metal such as aluminum or ceramics.
Moreover, as a flexible sheet | seat which forms the container main-body part 2 in embodiment mentioned above, it is a single layer or multilayer film and laminated sheet which consist of synthetic resins, such as polyolefin, polyester, polyamide, or these combinations, or these. A laminated sheet added with a metal vapor deposition layer such as, but not limited to, is not limited thereto.

The spouted container and the refilling method of the present invention are not limited to the embodiment described above, and can be changed as appropriate.
For example, the flexible container main body 2 to which the refill container spout 1 is attached is a flexible bag container or thin-walled container made by blow molding, such as a bag container described in Japanese Patent Application Laid-Open No. 2009-280228. (For example, a container having a thickness of 700 μm or less, more preferably a thickness of 500 μm or less). Since the container body 2 is flexible, even if the content is a liquid with a high viscosity (for example, a liquid having a viscosity of 10,000 mPa · S or more as described above), the container body 2 is in an inverted state as described above. The contents 5 can be poured into the refill container 4 while pressing the container body 2 of the spouted container 100 from the bottom surface toward the nozzle 11.

Further, as shown in FIG. 2, only one annular protrusion may be provided on the nozzle portion of the refill container spout, or the container spout used in Examples 3 to 4 described later. In addition, a plurality of aperture projections having the same length or different lengths along the circumferential direction of the nozzle portion may be provided so as to be annularly arranged in the circumferential direction of the nozzle portion.
Further, the aperture protrusion may be a protrusion having a shape as shown in FIGS. 7 (a) to 7 (e). In the example shown in FIGS. 7A to 7E, the aforementioned inclination angle θ1 is 90.
In addition, as shown in FIG. 2C, the shape of the throttle portion 12A ′, which is a flow path formed on the tip side in the protruding direction of the throttle projection in the nozzle portion 11 by the throttle projection 14, as shown in FIG. In addition to a circular shape or a substantially circular shape, other shapes such as a quadrangle, a triangle, and a star may be used as shown in FIGS. 8 (a) to 8 (c).

In addition, on the outer periphery of the nozzle portion 11 of the spout 1 for a refill container according to the embodiment shown in FIG. 2, two upper and lower annular projecting portions are provided in order to facilitate delivery between processes in the production line of the spout-equipped container 100. 16 and 17 are provided, but when such annular projecting

portions

16 and 17 are provided, when the nozzle portion 11 of the spouted container 100 is inserted into the container mouth portion 41 of the refillable container 4, Since the outer circumferences of the

overhang portions

16 and 17 are in contact with the inner circumference of the container mouth portion 41, the posture of the spouted container 100 can be stabilized, and the contents can be injected into the refill container more easily. From such a viewpoint, it is preferable that either one or both of the annular projecting

portions

16 and 17 are provided. However, when it is not necessary to consider such a viewpoint, both can be omitted. It is.
Further, the nozzle portion may be a rectangular tube instead of a cylindrical shape. Further, the refill container spout according to the present invention is such that, as in the refill container spout shown in FIG. 8, a squeezing projection 14 is formed at a position spaced from the lower end portion 11d of the cylindrical nozzle portion 11. Also good.
Further, the refill container spout according to the present invention is such that, as in the refill container spout shown in FIG. 9, a squeezing projection 14 is formed at a position spaced from the lower end portion 11d of the cylindrical nozzle portion 11. Also good.

Further, the central axis L of the nozzle portion of the spout 1 for a refill container according to the present invention may be non-parallel to the vertical direction within the range where the effects of the present invention are exhibited.

The present invention further discloses the following spouted container and refilling method with respect to the above-described embodiments.
<1>
A spouted container used to refill the contents of a refillable container,
The spouted container comprises a refillable container spout and a flexible container main body, and the contents are contained inside the container main body.
The spout for a refill container includes a cylindrical nozzle portion that communicates the inside and outside of the container main body, and a fixing portion that is fixed to the container main body.
When the nozzle portion is divided into three equal parts in the height direction and divided into an upper portion, a middle portion, and a lower portion having a dispensing side opening, the nozzle portion faces the inner surface side of the lower portion toward the center of the nozzle portion. And a squeezing projection that protrudes
The throttle projection forms a flow path through which the contents pass on the distal end side in the projection direction of the throttle projection, extends along the circumferential direction of the nozzle portion, and has a total length in the circumferential direction of the inner surface of the nozzle portion. Has a length of more than 50%,
The container body has a top surface, a front surface, a back surface and a bottom,
A spout-equipped container in which the fixed part of the refill container spout is fixed to the top surface part.

<2>
The container with a spout according to <1>, wherein the content has a viscosity of 10,000 mPa · s to 65,000 mPa · s.
<3>
The fixed part of the spout for a refill container is a container with a spout according to <1> or <2>, wherein an upper surface of the fixed part is fixed to a lower surface of the top surface part.
<4>
The spouted container according to any one of <1> to <3>, wherein the throttle protrusion is formed at an end of the nozzle part on the container main body side.
<5>
The spouted container according to any one of <1> to <4>, wherein an annular projecting portion is provided on an outer peripheral portion of the nozzle portion.
<6>
The throttle protrusion according to any one of <1> to <5>, wherein an inclination angle θ1 of a surface of the nozzle portion on a dispensing side opening portion side with respect to an inner surface of the nozzle portion is 120 ° or less. Spouted container.

<7>
The top surface portion has a through hole, and the spout is fixed to the container main body portion with the nozzle portion inserted through the through hole, and any one of the items <1> to <6> A container with a spout as described in 1.
<8>
The spouted container according to any one of <1> to <7>, wherein the aperture protrusion has a length of 85 to 100% with respect to a total length in a circumferential direction of the inner surface of the nozzle portion.
<9>
In the throttle protrusion, the surface on the container main body side of the nozzle part in the entire region or the tip part in the protruding direction is inclined toward the dispensing side opening side of the nozzle part. The container with a spout according to any one of <8>.
<10>
The spout-equipped container according to any one of <1> to <9>, wherein a tip of the throttle protrusion is chamfered along a periphery of an opening of the nozzle part on the container main body side.

<11>
A method of refilling the contents into a refill container using the spouted container according to any one of <1> to <10>,
A refilling method comprising the steps of inserting the nozzle portion of the spouted container into a container mouth of the refillable container and pouring the contents into the refillable container in a state where the spouted container is inverted.
<12>
The spouted container according to any one of <1> to <10>, wherein the refilling method according to <11> is displayed.

EXAMPLES Hereinafter, although an Example demonstrates this invention further, this invention is not restrict | limited at all by such an Example.
[Example 1]
A spouted container having the form shown in FIG. 1 was produced. The spout for a refill container used was a high-density polyethylene having the form shown in FIG. The squeezing projection 14 of the refill container spout has an inclination angle θ1 of the surface 14a on the dispensing opening side of 90 °, an inclination angle θ2 of the surface 14b on the container body 2 side of 90 °, and a projection height T3 of 2 mm. there were. The aperture protrusion 14 is formed in an annular shape along the inner peripheral surface of the nozzle portion, and the ratio of the length of the aperture protrusion in the circumferential direction of the nozzle portion 11 to the total length of the inner periphery of the nozzle portion is 100%. . Moreover, the height T and the internal diameter L1 of the nozzle part 11 were 22 mm and 17 mm in order.
[Examples 2 to 4 and Comparative Example 1]
A ratio (expressed as “ratio” in Table 1) of the length of the diaphragm protrusion in the circumferential direction of the nozzle portion 11 to the total length of the inner periphery of the nozzle portion by omitting a part or a plurality of portions in the circumferential direction of the diaphragm protrusion is represented by 87. Refill of Example 1 except for 5% (Example 2), 75.0% (Example 3), 62.5% (Example 3), and 50.0% (Comparative Example 1) A refill container having the same configuration as the container was produced.

[Evaluation]
Each manufactured refill container was filled with 340 g of a commercially available hair conditioner (manufactured by Kao Corporation, Essential Rich Damage Care Conditioner, viscosity: about 33000 mPa · S), and each of the containers with a spout was used as a refill container, and FIG. In the inverted state as shown in Fig. 1, the hair conditioner as the contents was refilled into the refill container. The above-mentioned viscosities are the BR type viscometer (TVB-10 type manufactured by Toki Sangyo Co., Ltd.) The viscosity at a temperature of 30 ° C. was measured using TC (10 rpm, 1 minute). As the refill container, a synthetic resin container having a capacity enough to accommodate 340 g of hair conditioner was used. The test was performed at room temperature (20 to 25 ° C.), and the viscosity of the hair conditioner was measured at 30 ° C. by the viscosity measuring method described above.
Table 1 shows the state of the nozzle part before refilling and the state of the nozzle part after refilling.
Moreover, the nozzle part after refilling was observed visually and the residual liquid state of the content liquid to a nozzle part was evaluated with the following evaluation criteria. The results are shown in Table 1.
A: Almost no contents remain in the nozzle portion.
B: Some content remains on the container body side opening side of the nozzle portion.
C: The contents remain so as to cover the inside of the nozzle portion.

As can be seen from the results shown in Table 1, the contents remaining in the nozzle portion can be obtained by setting the length of the squeezing projection to more than 50% of the total length of the inner periphery of the nozzle portion as in Examples 1 to 4. It can be seen that the amount of can be significantly reduced.

According to the spouted container of the present invention, the amount of the contents remaining in the nozzle portion after the contents to be refilled in the refill container can be greatly reduced.
According to the refilling method of the present invention, the operation of refilling the contents into the refill container is easy, and the amount of the contents remaining in the nozzle portion after refilling the contents into the refill container can be greatly reduced. it can.

Claims

A spouted container used to refill the contents of a refillable container,
The spouted container comprises a refillable container spout and a flexible container main body, and the contents are contained inside the container main body.
The spout for a refill container includes a cylindrical nozzle portion that communicates the inside and outside of the container main body, and a fixing portion that is fixed to the container main body.
When the nozzle portion is divided into three equal parts in the height direction and divided into an upper portion, a middle portion, and a lower portion having a dispensing side opening, the nozzle portion faces the inner surface side of the lower portion toward the center of the nozzle portion. And a squeezing projection that protrudes
The throttle projection forms a flow path through which the contents pass on the distal end side in the projection direction of the throttle projection, extends along the circumferential direction of the nozzle portion, and has a total length in the circumferential direction of the inner surface of the nozzle portion. Has a length of more than 50%,
The container body has a top surface, a front surface, a back surface and a bottom,
A spout-equipped container, wherein a fixed part of the refill container spout is fixed to the top surface part.
The container with a spout according to claim 1, wherein the content has a viscosity of 10,000 mPa · s or more and 65,000 mPa · s or less.
The spout-equipped container according to claim 1 or 2, wherein the fixed portion of the refillable container spout has an upper surface fixed to the lower surface of the top surface portion.
The spouted container according to any one of claims 1 to 3, wherein the throttle protrusion is formed at an end of the nozzle part on the container main body side.
The spouted container according to any one of claims 1 to 4, wherein an annular projecting portion is provided on an outer peripheral portion of the nozzle portion.
6. The spout with spout according to claim 1, wherein an inclination angle θ1 of the surface of the nozzle portion on the side of the dispensing side opening with respect to the inner surface of the nozzle portion is 120 ° or less. container.
A method for refilling the contents into a refill container using the spouted container according to any one of claims 1 to 6,
A refilling method comprising the steps of inserting the nozzle portion of the spouted container into a container mouth of the refillable container and pouring the contents into the refillable container in a state where the spouted container is inverted.
The spouted container according to any one of claims 1 to 6, wherein the refilling method according to claim 7 is displayed.