JP5977641B2 - Refill container stopper - Google Patents

Description

  The present invention relates to a plug member for a refill container, and more particularly, to a plug member for a refill container for refilling contents in a refill container and a refill container with contents.

  In recent years, with regard to synthetic resin containers that contain various liquids and other contents, it has become possible to reduce the environmental burden, and various thin-walled containers have been developed that reduce the amount of resin used. Yes. In addition, refill containers such as standing pouches are often used as containers for storing various detergents and foods. By refilling or refilling the refilled container with a refilled container with a pump device on the lid or a refilled container with a dispensing part such as a dispensing spout, An expensive refill container can be used for a long time without being discarded each time.

  In addition, as a refilling container for refilling the contents into a refilling container that does not have a pouring part such as a pouring spout, a mounting cylinder that is attached to the mouth of the refilling container and has a spout formed therein; The operating member supported by the mounting cylinder so as to be slidable and a pressing body disposed in the mounting cylinder, and by sliding the operating member through the mouth of the refill container, the pressing body is There has been proposed a refill container that presses the sealing body of the sealing portion of the spout to open the spout (see Patent Document 1).

JP 2012-012061 A

A conventional standing pouch is formed of a soft packaging material that is flexible and flexible, and the container is likely to be deformed and become unstable during refilling operations.
On the other hand, in the refill container of Patent Document 1, when the spout is opened, the liquid flowing from the refill container toward the refill container flows through substantially the entire area in the mounting cylinder. The internal air is not sufficiently released due to the inflow of liquid to the tank, and it takes time to refill, or the liquid adhering to the vicinity of the mouth of the refill container is discharged into the air discharged from the refill container. There is a risk of inconvenience such as being pushed back and leaking from the gap between the containers.

  The present invention provides a refill container that can efficiently refill the contents while efficiently discharging the internal air accompanying the inflow of liquid into the refill container and preventing the liquid from overflowing. The present invention relates to a plug member and a refill container with contents.

  The present invention is a refill container plug member that is fixed to a refill container and used for refilling contents, and has a fixed cylinder fixed to the refill container, and a dome-shaped cylinder having a spout on the peripheral wall And a movable member that is attached to the dispensing cylinder and closes the dispensing outlet, and presses the movable member against the mouth portion of the refill container, thereby moving the movable member. However, the movable member is configured to move to the fixed portion side along the dispensing tube and to open the dispensing port, and the movable member includes a tubular dispensing port closing unit that closes the dispensing port, and A plug member for a refill container comprising a partition wall that separates a flow path of liquid flowing out from the spout and flowing into the refill container and a flow path of air discharged from the refill container. Is to provide.

  Further, the present invention provides a refill container with contents, wherein the refill container stopper member is fixed to a refill container containing liquid contents so as to cover the refill outlet. It is.

  According to the refill container plug member and the refill container with the contents of the present invention, the internal air is efficiently discharged along with the inflow of the liquid into the refill container, while preventing the liquid from overflowing, The contents can be refilled smoothly.

It is a schematic perspective view explaining the situation where the contents are refilled to the refill container by the refill container to which the plug member for the refill container according to one embodiment of the present invention is attached. It is a perspective view which shows the stopper member for refill containers shown in FIG. 1, (a) is a perspective view in the state where the spout was closed by the movable member, (b) is a perspective view in the state where the spout was opened. is there. It is a figure which shows the fixing member of the plug member for refill containers shown in FIG. 1, (a) is a perspective view, (b) is sectional drawing along II of (a), (c) is (a). It is sectional drawing along II-II. It is a figure which shows the movable member of the plug member for refill containers shown in FIG. 1, (a) is a perspective view, (b) is a top view, (c) is sectional drawing along III-III of (b), (D) is sectional drawing which followed IV-IV of (b). It is sectional drawing which shows the closed spout vicinity of the refill container which attached the plug member for refill containers. It is sectional drawing which shows the state which set the refill container which attached the plug member for refill containers to the inverted state, and set the plug member for refill containers in the mouth part of the to-be-refilled container. It is sectional drawing which shows the state which pushed down the refilling container which attached the plug member for refilling containers, and opened the spout, and is sectional drawing which follows the opening direction of a spout. It is sectional drawing which shows the state which pushed down the refilling container which attached the plug member for refilling containers, and opened the spout, and is sectional drawing which follows the direction orthogonal to the opening direction of a spout. It is a top view which shows the movable member in other embodiment of this invention, and is FIG.4 (b) equivalent drawing. It is a top view which shows the movable member in other embodiment of this invention, and is FIG.4 (b) equivalent drawing.

  As shown in FIG. 1, a refill container stopper member 20 according to a preferred embodiment of the present invention has a refill flow at the tip of a refill container 11, for example, at the mouth portion 12 of a thin-walled bottle-shaped container. Attached over the outlet 13 (see FIG. 5). Here, the refill container 11 has a bottom portion 14 having a self-supporting placement portion, a mouth portion 12 having a refill outlet 13 for pouring the contents, and a thickness between the bottom portion 14 and the mouth portion 12. For example, it is formed including a body portion 15 of about 50 to 150 μm. The refill container 11 is preferably in an inverted state with the mouth part 12 facing downward, and the liquid content filled and accommodated therein is not subjected to air replacement via the refill outlet 13. The body portion 15 is configured to have flexibility so that the body 15 can be poured out to some extent while being contracted and deformed.

  Moreover, in this embodiment, the refill container 11 refills or replenishes the liquid content to the refill container 16 that does not have the spout spout on the mouth part of the container body 17 as shown in FIG. It is a refilling container. More specifically, after the refill container 16 is refilled or replenished with liquid content, the lid 18 provided with a pump device on the mouth portion 18 provided at the upper end of the container body 17 (see FIG. (Not shown) and can be used as a container with a pump. The pump device, for example, discharges an appropriate amount of liquid contents such as shampoo and rinse by pushing down the pressing portion of the pump by hand, and various known devices can be used. A refill container for refilling a refill container provided with a dispensing spout (pouring nozzle) is described in, for example, Japanese Patent Application Laid-Open Nos. 2010-235152 and 2010-247896.

  The refill container plug member 20 of the present embodiment has a liquid content stored in the refill container 11 by inserting a dispensing cylinder 23 having a spout 22 into the mouth portion 18 of the refill container 16. The refill container 11 and the inside of the refill container 16 are communicated with each other by opening the spout closed by the movable member 31. It has a function that allows the operation to be performed smoothly and easily.

As shown in FIGS. 1 and 5, the refill container plug member 20 of the present embodiment covers the refill outlet 11 that opens at the end of the mouth part 12 at the mouth part 12 of the refill container 11. It is attached.
As shown in FIGS. 2A and 2B, the refill container stopper member 20 includes a fixed member 21 and a movable member 31. As shown in FIG. 5, the fixing member 21 is fixed to the refill container 11 so as to cover the refill outlet 13 and has a spout 22 on the circumferential surface as shown in FIG. A cylindrical pouring tube 23 is provided. The fixing member 21 includes a mounting skirt portion 24 for fixing to the refill container 11. The mounting skirt portion 24 is screwed, fitted, and heat-sealed to the outer peripheral portion of the mouth portion 12 of the refill container 11. It can be fixed to the refill container 11 by being bonded by an arbitrary method such as an adhesive. The mounting skirt portion 24 is a fixing portion of the fixing member 21 in the present embodiment.

  An annular base portion 25 is formed between the mounting skirt portion 24 and the dispensing cylinder 23 and is substantially parallel to the opening surface of the refill outlet 13. As shown in FIGS. 3 (b) and 3 (c), the dispensing tube 23 has one end in a direction parallel to the central axis C closed by the top surface portion 26, while the peripheral wall 27 is near the top surface portion 26. A spout 22 that communicates the inside and the outside of the spout cylinder 23 is formed. A pair of outlets 22 are formed at opposite portions of the peripheral wall 27 of the outlet cylinder 23, and an opening is formed between the outlet 22 and the outlet 22 in the circumferential direction of the outlet cylinder 23. There is no non-opening region 28.

  In addition, two annular convex portions 29 are formed on the upper and lower sides of the spouts 22 and 22 in the spout cylinder 23 to enhance the sealing performance between the inner peripheral surface of the movable member 31. The annular convex portion 29 is formed integrally with the outer surface of the pouring cylinder 23 and is formed so as to protrude from the outer surface of the peripheral wall 27 of the pouring cylinder 23 by about 0.1 to 1 mm. In the present embodiment, the annular convex portion 29 functions as a stable holding means that holds the movable member 31 at the initial position where the spout 22 is closed.

In the fixing member 21 in the present embodiment, as shown in FIG. 3, the top surface portion 26 is provided with a tubular erroneous opening prevention portion 26 a. The misopening prevention portion 26 a protrudes from the surface of the top surface portion 26 opposite to the mounting skirt portion 24 side, and has a central axis C that is common to the dispensing cylinder 23.
As illustrated in FIG. 2B, the erroneous opening prevention portion 26 a protrudes above the upper end 31 d of the movable member 31 in a state where the movable member 31 exists at the initial position where the spout 22 is closed. . Therefore, for example, the refill outlet 11 is filled with liquid content and the refill outlet 13 is sealed with the refill container stopper 20 as shown in FIG. Even when it is accidentally dropped in the downward state (see FIG. 5), the accidental opening prevention portion 26a hits the floor or the ground, thereby preventing the unintentional movement of the movable member 31 and the unintentional opening of the spout 22 thereby. Is done.
In the misopening prevention portion 26a, the protrusion amount T (see FIG. 5) from the upper end 31d of the movable member 31 is preferably 3 mm or more, more preferably 5 mm or more.

  As shown in FIG. 4, the movable member 31 includes a cylindrical spout closing portion 32, a pair of plate-like upper walls 33 projecting outward from the outer peripheral surface of the spout closing portion 32, and a spout closing portion. A pair of arcuate walls 34 extending upward from the upper end of 32 and curved with the same curvature as the spout closing part 32, and connected to both sides of the pair of arcuate walls 34 and perpendicular to one side of the upper wall 33 And a side wall 35 that rises. The arc-shaped wall 34 and the pair of side walls 35, 35 connected to both ends thereof form a single continuous composite side wall 30. The composite side wall 30 extends in parallel with the diameter direction of the mouthpiece 18 in a state where it is inserted into the mouthpiece 18 of the refill container.

  The side wall 35 has a height in the axial length direction of the central axis C of the dispensing cylinder 23 that more reliably forms a divided liquid flow path and an air discharge path around the dispensing cylinder 23. In view of the above, it is preferably 3 mm or more, more preferably 5 mm or more, still more preferably 10 mm or more, and preferably 25 mm or less.

  Further, in a state where the movable member 31 is present at the initial position for closing the spout 22, the movable member 31 has a partition wall, in particular, a side wall 35 above the top surface portion 26 of the dispensing cylinder. It is preferable from the viewpoint of preventing overflow of the liquid in the initial stage when the spout 22 is opened from the closed state. Here, the upper direction is an upper direction when the top surface part 26 side of the dispensing cylinder is the upper side and the fixed part 24 side is the lower side. The same applies to the upper side when the erroneous opening prevention portion 26a protrudes upward from the upper end 31d of the movable member 31. The movable member 31 may be attached such that a part of the partition wall, in particular, the side wall 35 is positioned above the top surface portion 26 of the extraction cylinder.

As shown in FIGS. 2A and 5, the movable member 31 has a spout closing portion 32 fitted to the outside of the spout cylinder 23 and is poured so as to cover the whole spout 22 of the spout cylinder 23. By providing the outlet closing portion 32, the spout 22 is liquid-tightly closed.
As shown in FIG. 2B, the upper wall 33 is located on the fixing portion side of the spout 22, that is, on the mounting skirt portion 24 side when the spout 22 is opened. On the other hand, the pair of side walls 35 are located on the left and right sides of the spout 22 when viewed from the opening direction D1 of the spout 22 when the spout 22 is opened. Therefore, when the spout 22 is opened, the front portion of each spout 22 is composed of the upper wall 33 and the pair of side walls 35 joined at a right angle in cross section, and has a concave shape in the projecting direction of the spout cylinder 23. A liquid pouring path is formed. The pair of side walls 35 located on the left and right sides of the front portion of each spout 22 are parallel to each other. The arc-shaped wall 34, together with the cylindrical spout closing portion 32, contacts the peripheral surface of the spout cylinder 23, stabilizes the initial state in which the movable member 31 closes the spout 22, and the movable member 31. Improves the stability when sliding along the dispensing cylinder 23. As shown in FIG. 4 (b), the upper wall 33 extends from the ends of the pair of side walls 35 in the opening direction D1 of the spout 22, and the extended portion is filled with the refill at the time of refilling work. A pressing portion 36 that is pressed against the mouth 18 of the refill container 16 is formed. The opening direction D1 of the spout 22 is a direction orthogonal to the central axis C of the spout cylinder, and is a direction connecting the central axis C and the central portion of the spout 22 in the peripheral direction of the spout cylinder.

  In the present embodiment, the side wall 35 includes a flow path A for liquid flowing out from the opened spout 22 and flowing into the refill container 16 and a flow path B for air discharged from the refill container. So that the pressing portion 35 is in contact with or close to the inner surface side of the opening portion of the mouth portion 18 so that the pressing portion 35 is in contact with the peripheral edge portion of the opening portion of the mouth portion 18 is stably maintained. And a function as positioning means for allowing the dispensing cylinder 23 to be inserted into an appropriate position separated from the inner peripheral surface of the neck 18 of the refill container 16.

The plug member 20 for a refill container according to the present embodiment combines the fixed member 21 and the movable member 31 so that the spout closing portion 32 of the movable member 31 closes the pair of spouts 22, and the state thereof. , It is attached to the mouth part 12 of the refill container 11. In the initial state in which the spout 22 is closed, the movable member 31 of the refill container plug member 20 is maintained in a stable state unless a force is applied to the movable member 31.
Therefore, for example, even if the refill container 11 filled with the liquid content is in an inverted state in which the refill outlet 13 is turned downward as shown in FIG. 5, no liquid leakage occurs.

  The refill container with contents thus obtained is a preferred embodiment of the refill container with contents of the present invention. Examples of liquid contents stored in the refill container include cosmetics such as shampoos, rinses, conditioners, body soaps, hand soaps, liquid detergents, softeners, bleaching agents, and the like.

And in order to refill the liquid of the contents from the refill container 11 to the refill container 16, the refill container 11 with the refill container plug member 20 fixed to the refill container 11, as shown in FIG. With the spout 22 closed, the refill container plug member 20 is placed so that the pressing portion 36 of the movable member 31 hits the peripheral edge of the opening of the mouth 18 of the refill container 16. Set to. And as shown in FIG. 7, the refill container 11 of the state is pushed down by hand. Thereby, the movable member 31 moves along the pouring cylinder 23 from the position where the pouring outlet 22 is closed until it hits the base portion 25, and accordingly, the pouring outlet 22 of the pouring cylinder 23 is opened. .
As shown by the arrow A, when the spout 22 is opened, the liquid is discharged from the spout 22, and the liquid passes between the side walls 35, 35 located on the left and right sides of the front portion of the spout 22. Then, it is injected into the inside of the refill container 16.

On the other hand, at the position rotated 90 degrees from the position at which the spout 22 is opened in the circumferential direction of the spout cylinder 23, as shown in FIG. The air in the refill container 16 is efficiently discharged to the outside through the flow path shown by the arrow B through the space between the inner peripheral surfaces.
In the present embodiment, the flow path of the liquid flowing out from the spout 22 and flowing into the refill container into the mouthpiece 18 of the refill container by the partition wall, in particular, the side wall 35 as described above. Since A and the flow path B of the air discharged from the refill container are separated from each other, the internal air is efficiently discharged as the liquid flows into the refill container. . Therefore, the liquid injection proceeds smoothly, and the liquid is prevented from overflowing from the opening of the refill container during the refilling operation. In addition, since the liquid injection proceeds smoothly, the refilling operation can be completed in a short time. The partition wall is inserted into the mouthpiece 18 of the refill container like the side walls 35 and 35 of the present embodiment from the viewpoint of preventing liquid overflow and further promoting liquid-air replacement. Around the dispensing cylinder 23, the liquid flow path A flowing out from the opened spout 22 and flowing into the refill container and the flow path B of the air discharged from the refill container are circulated. Those formed alternately in the direction are preferred.

  Moreover, according to the plug member 20 for a refill container of this embodiment, since the spout 22 can be opened only by pressing against the mouth part 18 of the refill container 16, the refill work can be further facilitated. And it can be performed smoothly.

  Furthermore, according to the plug member 20 for the refill container of the present embodiment, the state in which the movable member 31 and the fixed member 21 are separated after the contents are refilled in a state of being fixed to the refill container 11. Don't be. For this reason, the refill container plug member 20 and the refill container 11 may be disposed of as one body, and therefore, disposal is easy.

  Further, in the refill container plug member 20 of the present embodiment, the opening direction D1 of the spout 22 and the extension of the pair of side walls are disposed at positions opposite to each other in the circumferential direction of the mounting skirt portion 24 of the fixing member 21. A protrusion 41 is provided as an alignment mark for aligning the existing direction D2 in parallel. By providing such a mark, it becomes easy to combine the fixed member 21 and the movable member 31 so that the pair of side walls 35 are located on both the left and right sides of the front of the opened spout 22. . The attachment of the movable member 31 to the fixed member 21 may be performed by a human hand or an automatic device.

  Moreover, in this embodiment, the refill container 11 is formed by the stretch blow molding using synthetic resins, such as a polypropylene, polyethylene, a polyethylene terephthalate, for example. In addition, the refill container 11 includes a shoulder portion 19 that constitutes the upper end portion of the refill container 11 continuously above the trunk portion 15. A cylindrical mouth portion 12 is integrally provided so as to protrude upward from a central portion of the upper end of the shoulder portion 19. The mouth part 12 of the refill container 11 is formed to be thick and has a shape-retaining rigidity that is difficult to deform with the force of the hand. The outlet 13 is open.

  The refill container stopper member 20 is preferably made of a synthetic resin for both the fixed member 21 and the movable member 31, and is preferably a molded product using a synthetic resin such as polypropylene or polyethylene. The fixed member 21 and the movable member 31 may each be formed by integrating molded products separately formed by injection molding or the like by a known method such as heat fusion or adhesion.

The present invention is not limited to the above-described embodiment, and various modifications can be made.
For example, the unevenness is formed in a stripe pattern on one surface of the upper wall 33 and the side wall 35 of the movable member 31 in the above embodiment, but such an unevenness may not be present.
Further, the pair of side walls 35, 35 constituting one continuous composite side wall 30 may be continuous without interposing the arc-shaped wall 34, and a connecting wall of another shape is sandwiched therebetween. A composite side wall may be formed.

  Further, as shown in FIG. 4B, the movable member is not limited to the one having a long shape in the opening direction D1 of the spout 22, and for example, in a plan view like the movable member 31A shown in FIG. It may be circular. A movable member 31A shown in FIG. 9 includes a flat plate portion 37 having a vent hole 37a on the outer side of each of the composite side wall 30 including the arc-shaped wall 34 and a pair of side walls 35 and 35 connected to both ends thereof. ing. In addition, the movable member engages with the outer peripheral portion of the mouthpiece portion when pressed against the mouthpiece portion of the refill container 16 on the outside of the pressing portion 36, as in the movable member 31B shown in FIG. You may provide the engaging part 38 which contacts and stabilizes the mounting state with respect to the mouth part of a movable member. The movable member 31A shown in FIG. 9 is the same as the movable member 31 described above, except that the upper wall 33 and the side wall 35 do not have pattern irregularities, and that the plate member 37 includes a vent hole 37a. It has the composition of.

  Further, the misopening prevention portion is not limited to a cylindrical shape, and may be a rectangular tube shape, and may be a solid columnar shape, a hollow shape, a solid cone shape, a truncated cone shape, or the like. good. The upper wall is not limited to a flat plate shape, and the cross-sectional shape perpendicular to the opening direction D1 of the spout 22 may be a circular arc shape or the like that protrudes toward the mounting skirt portion side (fixed portion side). In addition, as an alignment mark for aligning the opening direction D1 of the spout and the extending direction D2 of the pair of side walls, a groove, a doc that can be detected by various sensors, a printing unit, etc. May be provided. The shape of the alignment protrusion is not particularly limited, and for example, a protrusion having a circular shape when viewed from the protruding direction may be provided.

  Moreover, the shape of the cross section orthogonal to the central axis C is not limited to a circular shape, and the cross-sectional shape may be a square, a rectangle, a triangle, an ellipse, or the like.

  The pair of side walls of the movable member in FIG. 4 do not necessarily have to be formed in parallel, but only need to be able to divide the liquid flow path and the air flow path in relation to the mouth portion of the refill container.

  The number of outlets of the extraction pipe is not necessarily two, but may be one, two, or three or more. Even when the number of outlets is two, The position may not be a position facing each other. When two or more spouts are formed, side walls are formed on the movable member as much as necessary for dividing the liquid flow path and the air flow path.

  In addition, the refill container to which the refill container plug member is attached is not necessarily a thin-walled bottle-shaped container, and the refill container plug member of the present invention is attached to various other refill containers. Can be used. For example, a refill container stopper member 20 ′ may be attached to a standing pouch so as to cover a refill outlet formed by attaching a synthetic resin injection molded member.

DESCRIPTION OF SYMBOLS 11 Refill container 12 Mouth part 13 Outlet 14 Bottom part 15 Body part 16 Refillable container 17 Container body 18 Mouth part 19 Shoulder part 20 Container stopper member 21 Fixing member 22 Outlet 23 Outlet cylinder 24 Mounting skirt part (fixation) Part)
25 base part 26 top surface part 26a erroneous opening prevention part 27 peripheral wall 28 non-opening area 29 annular convex part (stability holding means)
30 Composite side wall 31 Movable member 31d Upper end part of movable member 32 Spout closing part 33 Upper wall part (partition wall)
34 Arc-shaped wall 35 Side wall (partition wall)
36 Pushing part 41 Mark for alignment A Flow path of liquid flowing out from the spout and flowing into the refill container B Flow path of air discharged from the refill container

Claims (8)

A refill container plug member fixed to a refill container and used for refilling contents,
A fixed member having a fixed portion fixed to the refill container and a fixed member having a ceiling-shaped extraction tube having a spout on the peripheral wall, and a movable member attached to the spout tube and closing the spout,
By pressing the movable member against the mouth portion of the refill container, the movable member moves to the fixed portion side along the extraction tube, and the outlet is opened.
The movable member includes a cylindrical spout closing portion that closes the spout, a liquid flow path that flows out from the spout and flows into the refill container, and is discharged from the refill container. A plug member for a refill container, comprising a partition wall separating the air flow path.   The plug member for a refill container according to claim 1, wherein the movable member is attached so that the partition wall is positioned above the top surface portion of the dispensing cylinder.   The partition wall has a liquid flow path that flows out from the spout and flows into the refill container around the pour cylinder inserted into the mouthpiece of the refill container and the fill container. The plug member for a refill container according to claim 1 or 2, wherein a flow path for air discharged from the inside of the replace container is alternately formed in a circumferential direction.   The plug member for a refill container according to any one of claims 1 to 3, wherein the fixing member includes an erroneous opening prevention portion that protrudes upward from an upper end of the movable member when the spout is closed. A pair of the spouts are formed at opposing portions of the peripheral wall of the spout tube;
The partition wall includes an upper wall located on the fixed portion side of the spout when the spout is opened, and a pair of side walls located on the left and right sides of the spout when the spout is opened. The plug member for a refill container according to any one of claims 1 to 4, which is provided.   The refill container plug member according to claim 5, wherein the fixing member is provided with an alignment mark for aligning an opening direction of the spout and an extending direction of the pair of side walls.   The refilling container plug member according to any one of claims 1 to 6, wherein the dispensing tube includes a stable holding means for holding the movable member at an initial position for closing the pouring port.   A refill container filling member according to any one of claims 1 to 7, wherein the refill container plug member is fixed to a refill container containing liquid content so as to cover the refill outlet. Replacement container.

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