JP7245010B2 - pouring spout - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pouring spout, and more particularly to a pouring spout for constructing a refillable container containing contents for pouring into a given container.

Among packaging containers, there is a packaging container that is refilled with contents from a separately provided refilling container and used repeatedly. Some separately provided refill containers have a spout for pouring out the content from the bag body and pouring it into the packaging container. The applicant of the present patent has made various proposals for the above-described dispensing spout that constitutes the refillable container.

The pouring spout proposed in Patent Document 1 is proposed by the present patent applicant. This pouring spout is provided with a closing member that enables opening and closing of the channel for pouring out the contents from the pouring spout. Specifically, the pour spout is integrally formed with the main body of the pour spout and a structure for closing the flow path. A structure for closing is provided at one end forming the outside of the flow path, and opens and closes the flow path at the one end. The closing member is fitted horizontally on the inner peripheral surface of the one end side of the flow path in such a manner that it is detached from the flow path by an external force applied from the bag body side. The closure member is connected to the dispensing spout by a string-like or strip-like connecting member.

Patent No. 6236139

Even after proposing the pouring spout described in Patent Literature 1, the applicant of the present patent has been earnestly researching the pouring spout. As a result, it was found that in the structure in which the spout main body and the structure for closing are integrally constructed, it takes a long time for the resin to spread throughout the spout during injection molding. Therefore, it has been desired to shorten the time required for the resin to spread over the entirety and to manufacture a high-quality pouring spout in a short period of time.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to shorten the injection molding time and to provide a high-quality pouring spout.

A pouring spout according to the present invention for solving the above-mentioned problems is a pouring spout provided in a refilling container for pouring out contents contained in the refilling container, and constituting the refilling container. A spout body comprising at least a portion to be bonded to be bonded to the bag body, a tubular portion for pouring out the content, and a flow path for passing the content from the inside to the outside of the refill container. and a closing unit that opens and closes the flow path, the closing unit comprising: a closing member that can be freely opened and closed with respect to the flow path; a mounting portion that detachably attaches the closing unit to the spout body; The spout body has a connecting member that connects the closing member and the mounting portion, and the spout body is formed with a mounted portion to which the mounting portion is detachably mounted.

According to this aspect of the invention, since the spout body and the closing unit of the pouring spout are constructed as separate bodies, the resin can be supplied to every corner of the mold in a short time when the spout body and the closing unit are injection molded. , the molding time can be shortened. In addition, since the spout main body and the closing unit of the pouring spout are separate bodies, the resin can be supplied to every corner of the mold, and a high quality pouring spout can be manufactured.

In the pouring spout according to the present invention, the closing member is formed in the same shape as the inner peripheral surface of the flow path, and the outer peripheral portion of the closing member is engaged with the inner peripheral surface of the flow path. The connecting member is configured to be removed from the flow path by closing the flow path and applying an external force from the inside of the refill container to one side of the closing member, and the connecting member has a string-like or belt-like shape. None, connecting the other surface side opposite to the one surface side of the closing member and the mounting portion, the mounting portion having a pair of arms extending outward facing each other at a predetermined interval, At the tips of the arms, claws projecting to opposite sides are formed, respectively, and the mounting part projects into a hole into which the arm is inserted, and engages with the claw to engage with the hole. and

According to the present invention, firstly, the refill container is detached from the flow path by the action of an external force from the inside of the refill container on one side of the closing member, so that the contents can be replaced from the refill container. The refill container can be opened by pushing up the closure member with the tip of the spout of the packaging container. Secondly, since the string-like or belt-like connecting member connects the other side opposite to the one side of the closing member and the mounting portion, the closing member is not separated from the pouring spout. . Thirdly, the attachment section has a pair of arms, and the ends of the arms are formed with claws protruding to opposite sides, respectively. and an engaging portion with which the pawl is engaged, so that the above-described closing unit can be detachably attached to the spout body.

In the pouring spout according to the present invention, a slit is formed inside the attachment portion, a bend is provided in the middle of the longitudinal direction, the extending direction of the slit is bent at the bend, and the base of the arm is bent. side is offset away from said closure member side.

According to this invention, since the slit is formed inside the mounting portion as described above, the outer shape of the mounting portion can be matched to the shape of the slit, and the inclined portion can be formed on the outer peripheral portion. As a result, the connecting member can be connected to the inclined portion, and the connecting member can be prevented from obstructing the opening and closing of the closing member.

In the pouring spout according to the present invention, at least one of a position diagonal to the mounting portion and the mounting portion on the other side of the closing member protrudes toward the outside of the refill container. A protrusion is formed.

According to this aspect of the invention, on the other side of the closing member, at least one of the mounting portion and the position diagonally opposite to the mounting portion is formed with a protrusion projecting outward from the refill container. , when manufacturing the pouring unit, the projection can be fitted into the sliding slit and the closing unit can be fed towards the spout. As a result, the closure unit can be fed towards the spout while maintaining a constant orientation of the closure unit.

ADVANTAGE OF THE INVENTION According to this invention, the time of injection molding can be shortened and a good quality pouring spout can be provided.

1 is a plan view showing an example of a refillable container using a pouring spout according to the present invention; FIG. FIG. 4 is a side view showing a configuration in which the pouring spout according to the present invention is divided into a spout body and a closing unit; FIG. 4 is a side view showing a form in which the pouring spout according to the present invention is integrated with the spout body and the closing unit; FIG. 4 is a plan view showing a form in which the pouring spout according to the present invention is integrated with the spout body and the closing unit; FIG. 10 is an explanatory view showing a process of supplying the spout body while maintaining the posture of the closing unit using the protrusion. It is a side view which shows an example of a packaging container. FIG. 7 is a perspective view of a pouring unit used in the packaging container of FIG. 6; FIG. 4 is an explanatory diagram for explaining the action of the extraction spout according to the present invention;

Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention includes inventions having the same technical idea as the embodiments described below and the forms described in the drawings, and the technical scope of the present invention is limited only to the description of the embodiments and the description of the drawings. not.

[Basic configuration]
The present invention is a pouring spout 10 provided on a refillable container 1 for pouring out the contents contained in the refillable container 1 . The dispensing spout 10 is mainly composed of a spout body 10A and a closing unit 20. As shown in FIG. The spout body 10</b>A includes at least a portion to be bonded 15 , a cylindrical portion 11 and a flow path 18 . The part to be bonded 15 is a part to be bonded to the bag main body 5 constituting the refillable container 1 . The tubular portion 11 is a component for pouring out the contents. The channel 18 is a component for passing the contents from the inside of the refill container 1 to the outside.

The closing unit 20 is a structure that opens and closes the channel 18 . The closing unit 20 is composed of a closing member 21 , a mounting portion 24 and a connecting member 23 . The closing member 21 is a component that can be opened and closed with respect to the flow path 18 and closes and opens the flow path 18 . The attachment portion 24 is a component for detachably attaching the closing unit 20 to the spout body 10A. The connecting member 23 is a component for connecting the closing member 21 and the mounting portion 24 . Further, the spout body 10A is formed with a mounted portion 40 to which the mounting portion 24 is detachably mounted.

According to the pouring spout 10 of the present invention, it is possible to shorten the injection molding time and to provide the pouring spout 10 of good quality in a short period of time.

The outline of the refill container 1 using the pour spout 10, the specific configuration of the pour spout 10, the outline of the packaging container 50 to which the contents are refilled from the refill container 1, and the action of the pour spout 10 will be described below. do.

[Refill container]
The refillable container 1 using the pouring spout 10 according to the present invention is a container for filling or replenishing the packaging container 50 used separately from the refillable container 1 . The shape and type of the refill container 1 are not particularly limited. FIG. 1 shows a standing pouch as an example of the refillable container 1. As shown in FIG. This refill container 1 has a pair of flat surfaces 2 facing each other, a bottom surface 3 closing the bottom of the refill container 1, and a pouring spout 10 according to the present invention.

The flat portion 2 is sealed at its upper edges and at its both side edges. The lower edges of the pair of flat portions 2 are sealed to the edge portions of the bottom surface portion 3 that face the lower edges of the respective flat portions 2 . The bottom part 3 is folded in two at a center crease 4, and the crease 4 is folded toward the upper side of the refill container 1. - 特許庁The bottom part 3 is configured so that the bottom part of the refill container 1 can be expanded by being expanded in the direction in which the flat part 2 of the refill container 1 is arranged from the folded form.

A pouring spout 10 according to the present invention is attached to the upper edge of the refill container 1 . The dispensing spout 10 is mainly composed of a spout body 10A and a closing unit 20. As shown in FIG. The spout body 10A has the portion to be bonded 15, the cylindrical portion 11, and the flow path 18, as described above. In addition, in the embodiment shown in FIG. 1, a configuration in which the pouring spout 10 is attached to the upper center of the refill container 1 is taken up as an example. However, although not particularly shown in the drawings, the pouring spout 10 may be provided at a laterally offset position in the upper portion of the refill container 1 in the width direction. Alternatively, the refill container 1 may be provided with a portion where the top edge and the side edges are connected by an inclined portion, and the pouring spout 10 may be attached to the inclined portion.

When transferring the contents from the refill container 1 to the packaging container 50, the cap 6 closing the spout 10 is removed and the refill container 1 is turned upside down. Then, the pouring spout 10 is pierced into the pouring unit 55 of the packaging container 50 to directly transfer the contents from the refillable container 1 to the packaging container 50.例文帳に追加This action will be described later in detail.

[Extrusion spout]
The spout 10 is constructed from two components. One is the spout body 10A and the other is the closure unit 20. As shown in FIG.

<Spout body>
The spout body 10A includes at least a bonded portion 15, a tubular portion 11, and a flow path 18, as shown in FIGS. As shown in FIG. 4, a rectangular or substantially rectangular flange portion 15A is provided at the boundary between the portion to be bonded 15 and the cylindrical portion 11 in the spout body 10A.
(Part to be bonded)

The part to be bonded 15 is a part to be bonded to the refill container 1 . The bonded portion 15 has a boat-shaped outer shape. That is, in FIGS. 2 to 4, both side surfaces of the portion to be bonded 15 have projecting portions 16 projecting semicircularly in the Y direction from the center portion in the X direction. On the other hand, both ends in the X direction are tapered toward both ends, and both side surfaces are connected at both ends in the X direction. A plurality of projecting portions 17 are formed on the outer surface of the portion to be bonded 15 . The projecting portion 17 is a component for facilitating the bonding of the pouring spout 10 and the bag body portion 5 together. Each projecting portion 17 is formed in a region from both ends in the Y direction to the midpoint of the projecting portion 16 .

(Cylindrical part)
The tubular portion 11 functions as a pouring port for pouring out the contents housed inside the refillable container 1 . The tubular portion 11 is formed in a cylindrical or substantially cylindrical shape. A screw thread 12 for screwing the cap 6 is formed on the outer circumference of the tubular portion 11 .

(Flow path)
The channel 18 has a circular inner circumference, and as shown by the dashed lines in FIGS. and the other end portion B located outside the . Therefore, the flow path 18 is configured to allow communication between the inside and the outside of the refill container 1 . A groove 20A for engaging the outer peripheral portion of the closing member 21 is formed at one end portion A forming the inner side of the refill container 1 in the portion 15 to be bonded in the flow path 18 . Between the closing members 21, the channel 18 is closed by engaging the outer peripheral portion with the groove 20A.

A guide 19 is formed on the inner peripheral surface of the flow path 18 . The guide 19 guides the nozzle 58 that constitutes the dispensing unit 55 of the packaging container 50 from the tip of the cylindrical portion 11 toward the back. The guide 19 protrudes toward the center from the inner peripheral surface of the flow path 18 and is formed to extend in the same direction as the direction L in which the cylindrical portion 11 extends. The cross-sectional shape of the guide 19 is not particularly limited as long as it can guide the nozzle 58 .

(Mounted part)
The attached portion 40 is formed inside the refill container 1 (one end portion A side) in the bonded portion 15 . The attached portion 40 is a portion to which the attaching portion 24 of the closing unit 20 is attached. The attached portion 40 is a hole formed outside the flow path 18 . As shown in FIGS. 2 and 3, the attached portion 40 is formed at the tip of the arm 26, extending inward from a hole into which the arm 26 constituting the attaching portion 24 is inserted. and an engaging portion with which the pawl 27 is engaged. Hereinafter, the hole into which the arm 26 is inserted will be described as the first hole 41 and the engaging portion as the second hole 42 . The mounting portion 40 includes a first hole 41 with a small width formed at a certain depth from the end surface of the one end portion A side of the portion 15 to be bonded, and a first hole 41 with a small width formed at the back of the first hole 41 . It is configured with a large second hole 42 . A shoulder portion 43 is provided at the boundary portion between the first hole 41 and the second hole 42 . The shoulder portion 43 is a portion with which the claw 27 provided on the mounting portion 24 is engaged, as will be described later in detail.

Since the spout body 10A described above is a separate component from the closing unit 20 described below, when the spout body 10A is manufactured by injection molding or the like, the resin can be supplied to every corner of the mold in a short time. Can be molded. In addition, since the spout body 10A and the closing unit 20 of the pouring spout 10 are separate bodies, the resin can be supplied to every corner of the mold, and a high-quality spout body 10A can be manufactured.

<Closed unit>
The closing unit 20 is a structure for closing and opening the flow path 18 formed in the spout body 10A. The closing unit 20 is composed of a closing member 21 , a mounting portion 24 and a connecting member 23 .

(Closing member)
The closing member 21 is configured to open and close the flow path 18 of the spout body 10A. The closing member 21 is formed in the same shape or substantially the same shape as the shape of the inner peripheral portion of the flow channel 18, and closes the flow channel 18 by being fitted inside the flow channel 18, specifically, in the groove 20A. . As shown in FIGS. 2 and 3, the outer peripheral portion of the closing member 21 is tapered from one side (the other end B side) toward the other side (the one end A side). Therefore, it is easy to engage with the groove 20A formed in the flow path 18. As shown in FIG. As described above, the groove 20A is formed in the inner circumference of the flow path 18, and the closing member 21 closes the flow path 18 by engaging the outer circumference of the closing member 21 with the groove 20A of the flow path 18. do. On the other hand, when an external force directed from one surface side (the other end B side) to the other surface side (the one end A side) is applied to the closing member 21 closing the flow path 18, the outer peripheral portion of the closing member 21 flows. Out of groove 20A of channel 18. At this time, since the outer peripheral portion of the closing member 21 is tapered toward the outside of the refill container 1, the closing member 21 is smoothly removed from the groove 20A. As a result of the peripheral portion being disengaged from the groove 20A, the closing member 21 is removed from the channel 18 and the channel 18 is opened.

A first protrusion 22 is formed on the other surface side (one end portion A side) of the closing member 21 . Specifically, the first projecting portion 22 is provided at a position diagonal to the mounting portion 24 on the other surface side (one end portion A side) of the closing member 21 . The first projecting portion 22 is a component that is provided as necessary. The first protrusion 22 is used when manufacturing the pouring spout 10 and when supplying the closing unit 20 to the spout body 10A, as will be described later. At least one of the first protrusion 22 and the second protrusion 29 described later may be provided. In other words, only the first projection 22 may be provided on the closing member 21 without providing the second projection 29 on the mounting portion 24 . Conversely, only the second protrusion 29 may be provided on the mounting portion 24 without providing the first protrusion 22 on the closing member 21 . Alternatively, both the first protrusion 22 and the second protrusion 29 may be provided. By providing at least one of the first projecting portion 22 and the second projecting portion 29, it is possible to keep the direction of the closing unit 20 constant in the step of supplying the closing unit 20 to the spout main body 10A, as will be described later. is.

(Mounting part)
The attachment portion 24 is a component for attaching the closing unit 20 to the spout body 10A. As shown in the upper part of FIG. 2, the mounting portion 24 is composed of a trunk portion 25, a pair of arms 26 extending downward from the trunk portion 25, and a second projecting portion 29 projecting upward from the trunk portion 25. It is However, the second projecting portion 29 is a component provided as necessary. The second protrusion 29, like the first protrusion 22, is used when the closure unit 20 is supplied to the spout body 10A when manufacturing the pouring spout 10. As shown in FIG.

Slits 30 , 31 , 32 are formed inside the trunk portion 25 . The slits 30 , 31 , 32 are a linear slit 30 extending in the vertical direction of the mounting portion 24 , an inclined slit 31 formed obliquely toward the closing member 21 side below the linear slit 30 , and an arm 26 . and a vertical slit 32 formed therebetween. A bending portion 35 is formed at a portion corresponding to the inclined slit 31, which is a middle portion in the longitudinal direction of the mounting portion 24, and the inclined slit 31 is inclined with respect to the straight slit 30 at one point of the bending portion 35. , the root side of the arm 26 is displaced toward the closing member. The tip of the inclined slit 31 extends to the lower end of the trunk portion 25 . On the other hand, a connecting portion mounting portion 28 projecting toward the closing member 21 side is formed on the outer peripheral portion of the body portion 25 . The connecting member 23 is integrally connected to the connecting portion mounting portion 28 . The roots of the pair of arms 26 are provided at the lower end of the trunk portion 25 with a predetermined gap therebetween with an inclined slit 31 interposed therebetween. A pair of arms 26 extend downward from the body 25 with the same interval as the groove width of the inclined slit 31 . A vertical slit 32 is formed between the arms 26 at the same interval as the groove width of the inclined slit 31 . Claws 27 are provided at the tips of the pair of arms 26, respectively, and each claw 27 protrudes toward the opposite side with the arms 26 as starting points. Each claw 27 is tapered so that the distal end side of the arm 26 is tapered.

(Connecting member)
The connecting member 23 is a component that connects the closing member 21 and the mounting portion 24, and has a string-like or belt-like shape. The connecting member 23 is molded integrally with the closing member 21 and the mounting portion 24 when the closing unit 20 is manufactured by injection molding. At that time, one end of the connecting member 23 is connected to the other side (one end A side) of the closing member 21 facing the inside of the refill container 1 . The other end of the connecting member 23 is connected to the connecting member mounting portion 28 of the mounting portion 24 . However, the closing member 21 and the attachment portion 24 may be formed separately, one end attached to the closure member 21 and the other end attached to the attachment portion 24 .

<Attaching the closing unit to the spout body>
Attachment of the closure unit 20 to the spout body 10A will be described with reference to FIGS. 2, 3 and 5. FIG. First, as shown in FIG. 5, the closing unit 20 is slid on the slider 100 and supplied to the spout body 10A. At that time, it is preferable to provide a guide rail 110 extending from the supply source to the spout main body 10A above the slider 100. As shown in FIG. A guide groove 111 is formed inside the guide rail 110 . The first projection 22 of the closing member 21 and the second projection 29 provided on the mounting portion 24 are inserted into the guide groove 111 . By inserting the first projecting portion 22 and the second projecting portion 29 into the guide groove 111, the direction of the closing unit 20 is determined, and the closing unit 20 can be supplied to the spout main body 10A while maintaining the posture of the closing unit 20. can.

The closing unit 20 is attached to the spout main body 10A by inserting the attaching portion 24 of the closing unit 20 into the attached portion 40 of the spout main body 10A. Specifically, the arm 26 of the mounting portion 24 shown in FIG. 2 is inserted into the second hole 42 formed in the mounting portion 40 as shown in FIG. When inserting the pair of arms 26 into the first hole 41 , the body 25 is pressed toward the first hole 41 to insert the pair of arms 26 into the first hole 41 . When the pair of arms 26 are inserted into the first hole 41, the gap between the arms 26 is narrowed by the inner periphery of the first hole 41, and the claws 27 formed at the tips of the pair of arms 26 are closed. The arm 26 is deformed so that the distance between the outer surfaces of is equal to or smaller than the width of the first hole 41 . Since the outer surfaces of the claws 27 of the pair of arms 26 are each formed in a tapered shape, when the arms 26 are inserted into the first holes 41, the outer surfaces of the claws 27 do not get caught on the inner surface of the first item. is smoothly inserted into the first hole 41 .

After the pair of claws 27 have been inserted into the first hole 41 , the trunk portion 25 is further pushed in to allow the pair of claws 27 to reach the position of the second hole 42 . When the pair of claws 27 reaches the position of the second hole 42, the pair of arms 26 spreads outward so as to return the gap between the grooves formed therebetween to the original size. As a result, the pair of claws 27 are engaged with the shoulders 43 forming the boundary between the first hole 41 and the second hole 42 . Therefore, the attachment portion 24 is attached to the attached portion 40, and the closing unit 20 is integrated with the spout body 10A. When the closing unit 20 is removed from the spout main body 10A, the distance between the pair of arms 26 constituting the mounting portion 24 is reduced so that the outer peripheral portion of the claw 27 is wider than the inner peripheral portion of the first hole 41. is made smaller, and the arm 26 can be extracted from the first hole 41 in this state.

Since the closing unit 20 described above is a separate component from the spout main body 10A described below, when the closing unit 20 is manufactured by injection molding or the like, the resin can be supplied to every corner of the mold in a short time. Can be molded. Moreover, since the spout main body 10A and the closing unit 20 of the pouring spout 10 are separate bodies, the resin can be supplied to every corner of the mold, and the closing unit 20 of high quality can be manufactured. In particular, the arm 26 provided with the claw 27 in the mounting portion 24 and the portion of the connecting member 23 requiring high precision can be reliably formed.

The refill container 1 described above is used for pouring contents into the packaging container 50 described below. A configuration of the packaging container 50 will be briefly described.

[Packaging container]
The packaging container 50 is a container to which the contents contained in the refillable container 1 are replenished. The packaging container 50 is made of resin or the like, for example. FIG. 6 shows an example of the packaging container 50. As shown in FIG. A packaging container 50 shown in FIG. 6 is composed of a container body 51 provided with a handle 52 and a pouring unit 55 for pouring out the contents contained in the container body 51 . This packaging container 50 is used by pouring the contents transferred from the refillable container 1 out of the packaging container 50 in the required amount when required.

The pouring unit 55 of the packaging container 50 is composed of a body portion 56 and a cap 59 for opening and closing the body portion 56 . The body portion 56 includes a peripheral wall surface 57 and a nozzle 58 arranged inside the peripheral wall surface 57, as shown in FIG. The peripheral wall surface 57 has a cylindrical shape and is hollow inside.

The nozzle 58 is arranged at the center or approximately the center of the body portion 56 . The nozzle 58 is connected to the peripheral wall surface 57 and is integrated with the peripheral wall surface 57 . The nozzle 58 protrudes upward from the body portion 56 and is configured such that its tip is located above the upper end of the peripheral wall surface 57 . However, FIG. 7 shows one example of the shape of the nozzle 58, and the shape of the nozzle 58 is not particularly limited.

[Procedure for refilling the contents of the refill container into the packaging container and action of the spout]
The procedure for refilling the packaging container 50 with the contents contained in the refillable container 1 and the action of the pouring spout 10 of the present embodiment will be described with reference to FIG. 8 . 8 does not show the bag main body 5 of the refill container 1 and the container main body 51 of the packaging container 50 in order to facilitate the operation of the dispensing unit 55. As shown in FIG. However, the pouring spout 10 is attached to the refilling container 1 shown in FIG. 1, and the pouring unit 55 is provided to the packaging container 50 shown in FIG.

First, the cap 6 is removed from the pouring spout 10, the refilling container 1 is turned upside down, and the pouring spout 10 is positioned below the refilling container 1.例文帳に追加Since the channel 18 of the spout 10 is closed by the closing member 21, the contents contained in the refill container 1 will not spill out. Also, in the pouring unit 55 of the packaging container 50, the cap 59 is removed from the main body 56 in advance.

Next, as shown in FIG. 8A, the ejection spout 10 is aligned with the ejection unit 55 of the packaging container 50, the refill container 1 is pushed down, and the nozzle 58 of the ejection unit 55 is ejected. It is inserted into the channel 18 of the spout 10 .

When the refill container 1 is pushed down, the tip of the nozzle 58 pushes up the closing member 21. - 特許庁Therefore, the closing member 21 is removed from the flow path 18 as shown in FIG. 8(B). That is, the closing member 21 has a groove 20A in which the outer peripheral portion of the closing member 21 is formed in the inner peripheral surface of the flow channel 18 by an external force applied from one surface side (the other end portion B side) in the direction L in which the flow channel 18 extends. removed from the At this time, since the outer peripheral portion of the closing member 21 is tapered from one side (the other end B side) to the other side (the one end A side), the closing member 21 can be It is smoothly removed from the groove 20A of the passage 18 without being caught in the groove 20A.

The closing member 21 is configured separately from the spout main body 10A, and the outer peripheral portion is simply fitted into the groove 20A of the flow path 18 to close the flow path 18. Therefore, the nozzle 58 is not attached to the closing member 21 or it. It is removed from the channel 18 without damaging itself. As a result, the dispensing spout 10 can transfer only the contents to the packaging container 50 without generating debris.

Since the guide 19 formed in the flow path 18 is fitted into the slit 60 formed in the nozzle 58 while the contents are being refilled from the refill container 1 to the packaging container 50, the pouring spout of the refill container 1 is prevented. 10 is prevented from being detached from the body portion 56 of the dispensing unit 55 of the packaging container 50.例文帳に追加

8B, when the nozzle 58 is inserted into the tubular portion 11 and the closing member 21 is removed from the spout main body 10A, the distal end portion of the tubular portion 11 is positioned at the outer periphery of the nozzle 58. contact the surface. Therefore, the content poured out of the refill container 1 is transferred to the packaging container 50 through the nozzle 58 without leaking outside the nozzle 58 .

As described above, according to the present invention, the injection molding time can be shortened, and the pouring spout 10 of good quality can be provided.

1 Refill Container 2 Flat Part 3 Bottom Part 4 Fold 5 Bag Body Part 6 Cap 10 Extraction Spout 10A Spout Body 11 Cylindrical Part 12 Thread 15 Part to be Bonded 15A Flange Part 16 Overhanging Part 18 Channel 19 Guide 20 Closure Unit 20A Groove 21 Closing member 22 First projecting part 23 Connecting member 24 Mounting part 25 Body part 26 Arm 27 Claw 28 Connecting member mounting part 29 Second projecting part 30, 31, 32 Slit 30 Straight slit 31 Inclined slit 32 Vertical slit 35 Curved portion 40 Attached portion 41 First hole 42 Second hole 43 Shoulder portion 50 Packaging container 51 Container body 52 Handle 55 Extraction unit 56 Body portion 57 Peripheral wall surface 58 Nozzle 59 Cap 60 Slit 100 Slider 110 Guide rail 111 Guide groove

Claims (3)

A pouring spout provided in a refillable container for pouring out the contents contained in the refillable container,
A portion to be bonded that is bonded to the bag main body portion that constitutes the refill container, a tubular portion that pours out the contents, and a channel for passing the contents from the inside to the outside of the refill container. , at least a spout body, and a closure unit for opening and closing the flow path,
The closing unit has a closing member that can be freely opened and closed with respect to the flow path, a mounting portion that detachably attaches the closing unit to the spout body, and a connecting member that connects the closing member and the mounting portion, The mounting portion has a body, a pair of arms extending downward from the body, and a protrusion projecting upward from the body. a connecting member mounting portion protruding toward is formed as an inclined portion, the connecting member has a string-like or belt-like shape, and connects the closing member and the connecting member mounting portion;
Inside the mounting portion, a linear slit extending in the vertical direction of the mounting portion, an inclined slit formed obliquely toward the closing member below the linear slit, and the pair of arms. a vertical slit formed between and
A bent portion is formed at a portion corresponding to the inclined slit, which is a middle portion in the longitudinal direction of the mounting portion, and the inclined slit is inclined with respect to the linear slit at the position of the bent portion . The inclined portion has an outer shape that matches the shape of the inclined slit ,
A pouring spout, wherein the spout body is formed with an attached portion to which the attaching portion is detachably attached. The closing member is formed in the same shape as the inner peripheral surface of the flow channel, and the outer peripheral portion of the closing member is engaged with the inner peripheral surface of the flow channel to close the flow channel and It is configured to be removed from the flow path by an external force from the inside of the refill container acting on one side of the closing member,
The connecting member connects the other side of the closing member opposite to the one side and the connecting member mounting portion ,
The attachment portion includes a pair of arms extending outward facing each other at a predetermined interval, and claws protruding to opposite sides are formed at the tips of the arms, respectively,
2. The pouring spout according to claim 1, wherein said attached portion comprises a hole into which said arm is inserted, and an engaging portion projecting toward the inside of said hole and engaging said pawl. At least one of a position diagonally opposite to the mounting portion and the mounting portion on the other side of the closing member has a protrusion projecting outward from the refill container (on the upper side of the body portion 3. A pouring spout according to claim 1 or 2 , wherein a different projection is formed.

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