JP2020172315A - Pouring spout, pouring spout with stopper member, and pouring spout with cap - Google Patents

Abstract

To provide a technique for stably maintaining a position in a direction of insertion into a mouth neck part of a pouring cylinder part and a posture of the insertion adaptively to the size of the mouse neck part of a container to be filled such as a bottle container to be filled with contents from a refilling container with respect to a pouring spout provided to the refilling container etc.SOLUTION: There are provided: a pouring spout 10 which has a spout body 20 including a fitting part 21 fitted to a container containing contents and a pouring cylinder part 22 protruded from the fitting part 21, and having a contents flow passage 25 formed having a pouring opening 25b at a tip side of the pouring cylinder part 22, and an outer sleeve 30 fitted around the pouring cylinder part 22 movably along its axis, and also has, at a side part of a base end of the outer sleeve 30, a tapered stopper projection part 32 increasing in protrusion size toward the base end thereof; a pouring spout with a stopper member; and a pouring spout with a cap.SELECTED DRAWING: Figure 1

Description

The present invention relates to a spout for pouring, a spout for pouring with a stopper member, and a spout for pouring with a cap, which can be suitably used for a refill container or the like.

For liquid seasonings such as soy sauce and toiletry products such as liquid detergents, in addition to products in which the contents are contained in a resin packaging container, refill containers containing the contents for replenishment are often provided. ing.
Some packaging containers that are used repeatedly are bottle-shaped (hereinafter, also referred to as bottle containers). The refill container provided for refilling the contents of the bottle container has a dispenser for dispensing the contents, and it is conventionally common to simply insert this dispenser into the mouth of the bottle container for refilling. Met. In recent years, this refill container has a celestial cylinder-shaped pouring cylinder with a closed tip and an opening at the peripheral wall to prevent leakage during refilling and improve workability, and a pouring cylinder for the pouring cylinder. It is proposed to have a ring-shaped movable member extrapolated so as to be movable in the axial direction, and to have a spout for pouring in which the pouring outlet of the pouring cylinder is opened and closed by moving the movable member in the pouring cylinder axial direction. (For example, Patent Document 1).

The movable member of the pouring spout of the refill container disclosed in Patent Document 1 is a tubular shape that is externally inserted into the pouring cylinder and opens and closes the spout of the peripheral wall of the pouring cylinder by moving in the axial direction with respect to the pouring cylinder. The spout closing part, the connecting part protruding from the outer periphery of the spout closing part in a flange shape, the pressing part formed on the outer periphery of the connecting part and pressed against the mouth of the bottle container, and the protruding part on the outer periphery of the connecting part. It has a positioning engaging portion that is formed and engages with the inner or outer peripheral surface of the mouth portion of the bottle container.
In the refillable container spout disclosed in Patent Document 1, the contents of the refillable container come into contact with the outside air by arranging the spout closing portion of the movable member at the tip of the pouring cylinder and closing the spout. Can be prevented.

In this spout for pouring, the spout is closed by the spout closing portion of the movable member to prevent leakage of the contents from the spout, and the movable member is pressed against the mouth of the bottle container from above. The positioning engaging portion of the movable member can be engaged with the inner peripheral surface or the outer peripheral surface of the mouth portion. Further, in this dispensing spout, the pressing portion of the movable member is pressed against the mouth portion of the bottle container, and the positioning engaging portion of the movable member is engaged with the inner peripheral surface or the outer peripheral surface of the mouth portion. By moving the injection cylinder downward with respect to the movable member, projecting it downward from the movable member, inserting it into the mouth, and opening the injection port on the peripheral wall of the injection cylinder in the mouth, the inside of the refill container It is configured so that the contents can be filled into a bottle container through a pouring cylinder.

Japanese Unexamined Patent Publication No. 2014-80218

In the above-mentioned conventional pouring spout, the pressing portion of the movable member is pressed against the mouth portion of the bottle container from above, and the positioning engaging portion of the movable member is engaged with the inner peripheral surface or the outer peripheral surface of the mouth portion. By doing so, the state in which the pressing portion of the movable member is in contact with the opening peripheral portion of the mouth portion is stably maintained.
However, due to the structure of the conventional pouring spout, if the size of the positioning engaging portion of the movable member does not match the inner peripheral surface or the outer peripheral surface of the mouth portion of the bottle container, the spout for pouring has the opening peripheral portion of the mouth portion. It is difficult to maintain a stable contact state of the pressing portion of the movable member. For this reason, the spout for pouring of the conventional configuration needs to be assembled by using a movable member having a positioning engaging portion of a suitable size for each size of the inner peripheral surface or the outer peripheral surface of the mouth portion of the bottle container.

The problem to be solved by the aspect of the present invention is the position and insertion of the pouring cylinder with respect to the mouth of the filling container such as a bottle container for filling the contents from the refill container according to the size of the mouth. It is to provide a spout for pouring that can maintain a stable orientation, a spout for pouring with a stopper member, and a spout for pouring with a cap.

In order to solve the above problems, the present invention provides the following aspects.
The pouring spout of the first aspect includes a spout main body including a mounting portion attached to a container in which the contents are housed, a pouring cylinder portion protruding from the mounting portion, and the pouring cylinder portion of the spout body. It has an outer sleeve that is extrapolated so as to be movable in the axial direction thereof, and the spout body is supported by the mounting portion, the dispensing cylinder portion, and a support piece portion protruding from the dispensing cylinder portion. A sealing protrusion that seals the inside of the tip of the outer sleeve by fitting the fitting portion formed at a position separated from the dispensing cylinder portion to the tip side thereof inside the tip of the outer sleeve. And, including the inside of the pouring cylinder portion, penetrating the mounting portion, and including the spout port secured between the fitting portion of the sealing protrusion and the tip of the pouring cylinder portion. The outer sleeve has a tubular sleeve body that is extrapolated to the spout body and the fitting portion of the sealing protrusion is detachably fitted to the tip portion. A stopper protrusion that is formed so as to protrude from the outer periphery of the base end portion of the sleeve body and abuts on the tip of the container mouth portion into which the sleeve body is inserted to regulate the displacement of the sleeve body with respect to the container mouth portion in the insertion direction. The stopper protrusion is formed in a tapered shape in which the protrusion dimension from the sleeve body increases toward the base end side of the sleeve body.
The above-mentioned spout for pouring includes an air passage outlet groove formed by recessing the stopper protrusion from the side surface thereof, and a spout flow path inside the container mouth portion in which the stopper protrusion is brought into contact with the tip. When communicating with each other, a clearance between the inner peripheral surface of the container mouth portion and the outer peripheral surface of the portion of the outer sleeve inserted into the container mouth portion and an air passage formed by the air passage outlet groove are secured. The configuration to be used can also be adopted.
The pouring spout with a stopper member of the second aspect is a portion located around the above-mentioned pouring spout and a base end opposite to the tip of the pouring cylinder portion in the mounting portion of the spout body. It is provided in the stopper arrangement area secured between the stopper receiving portion which is a protrusion protruding from the side surface of the dispensing cylinder portion and the outer sleeve whose tip portion is fitted to the fitting portion of the spout body. The outer sleeve has a stopper member that regulates the movement of the dispenser cylinder portion toward the base end side, and the stopper member has a stopper arrangement region due to a pulling force in a direction perpendicular to the axis of the dispenser cylinder portion. Can be removed from.
The capped pouring spout of the third aspect includes the above-mentioned pouring spout with a stopper member and an overcap that accommodates the outer sleeve and is detachably attached to the pouring spout. The overcap has a cylinder wall portion capable of accommodating the outer sleeve and a tip wall portion that closes the tip end side of the cylinder wall portion, and has a base end opposite to the tip wall portion of the cylinder wall portion. The intervention can be accommodated from the opening, which is a portion provided in the stopper arrangement region of the outer sleeve of the ejection spout and the stopper member, and the intervention is provided by the cylinder wall portion accommodating the inclusion. It is possible to maintain the state in which the piece is arranged in the stopper arrangement area.
The stopper member is arranged in a protruding state from the interposition piece and the interposition piece formed so as to protrude from the interposition piece and arranged in the stopper arrangement region of the ejection spout to the side of the stopper arrangement region. A handle piece insertion slit into which at least a part of the handle piece of the stopper member is inserted into the cylinder wall portion of the overcap is directed from the base end to the tip of the cylinder wall portion. It may be extended and formed.
The handle piece of the stopper member has a base piece portion protruding from the interposition piece and an overhanging piece portion of the base piece portion protruding from a protruding end opposite to the interposition piece to the side thereof. The handle piece insertion slit of the overcap can insert and remove the base piece portion of the handle piece of the stopper member from the base end side of the cylinder wall portion, and the base piece portion of the handle piece is said. When inserted into the handle piece insertion slit of the overcap, one of the side wall portions has a clearance between the root portion of the intercalating piece protruding laterally from the base piece portion and the overhanging piece portion. The structure may be such that the portion is inserted.
The stopper member may have a pair of interposing pieces that extend from the handle piece and hold the pouring cylinder portion of the spout body in a detachable manner.

According to the present invention, the position and the insertion direction of the pouring cylinder with respect to the mouth can be stably maintained according to the size of the mouth of the container to be filled such as a bottle container.

It is a front sectional view which shows the insertion state with respect to the mouth part of the container to be filled of the spout for pouring which concerns on one Embodiment of this invention. FIG. 5 is a front sectional view showing a state in which the spout of the content flow path of the spout body of the spout for pouring of FIG. 1 is opened. It is an exploded perspective view which shows the spout for pouring with a cap composed of the spout with a stopper member and the overcap assembled by using the spout for pouring of FIG. It is an exploded perspective view which shows the spout with a stopper member disassembled about the spout for pouring with a cap of FIG. It is a front sectional view which shows the assembled state of the spout for pouring with a cap of FIG. FIG. 5 is a cross-sectional view taken along the line AA of FIG. 5 and is a diagram showing a relationship between an intervening piece of a stopper member arranged in a stopper arrangement region of a spout for dispensing and a dispensing cylinder portion of a spout main body. FIG. 5 is a front sectional view showing an engaged state between the engaging protrusion of the overcap and the stopper receiving portion of the spout body in FIG.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
In each drawing used in the following description, the scale of each member is appropriately changed in order to make each member recognizable.

1 and 2 show a spout 10 for pouring according to one embodiment of the present invention.
Further, FIG. 3 shows a spout 10A for dispensing with a stopper member having a spout 10 for dispensing and a stopper member 40 detachably attached to the spout 10 for dispensing, and a spout 10A for dispensing with a stopper member and a stopper. The spout 10B with a cap having an overcap 50 detachably attached to the spout 10A with a member is shown.
FIG. 4 is an exploded perspective view showing a spout for dispensing 10, a spout for dispensing with a stopper member 10A, and a spout for dispensing with a cap 10B.

As shown in FIGS. 1 and 2, the dispensing spout 10 of this embodiment has a mounting portion 21 attached to the container portion 111 (container) of the refill container 110 and a dispensing cylinder portion protruding from the mounting portion 21. It has a spout main body 20 including 22 and an outer sleeve 30 extrapolated to the pouring cylinder portion 22 of the spout main body 20 so as to be movable in the axial direction thereof.

In this specification, the spout for dispensing 10 is described with the attachment portion 21 side of the spout body 20 as the base end side and the tip end (protruding end) side of the injection cylinder portion 22 protruding from the attachment portion 21 as the tip end side. To do. The spout body 20 and the outer sleeve 30 will also be described with the dispensing spout 10 base end side as the base end side and the dispensing spout 10 tip end side as the tip side.
Further, regarding the pouring spout 10, the axial direction of the tubular pouring cylinder portion 22 of the spout main body 20 is also referred to as an axial direction or a spout axial direction.

The spout body 20, the outer sleeve 30, and the stopper member 40 and the overcap 50 shown in FIGS. 3 and 4 of the pouring spout 10 shown in FIGS. 1 to 4 are integrally molded products made of synthetic resin, respectively.
The pouring cylinder portion 22 of the spout body 20 of the pouring spout 10 shown in FIGS. 1 to 4 is formed in a cylindrical shape.
The outer sleeve 30 shown in FIGS. 1 to 4 has a cylindrical sleeve body 31 extrapolated to the ejection tube portion 22 of the spout body 20 so as to be movable in the axial direction thereof, and the periphery of the base end portion of the sleeve body 31. It has a stopper protrusion 32 formed so as to project in a ring shape. The stopper protrusion 32 is formed in a tapered shape in which the protrusion dimension from the sleeve body 31 increases toward the end side of the outer sleeve 30 base.

Inside the container portion 111 of the refill container 110, a content that is a fluid composed of tangible materials such as liquid and powder is housed. Examples of the liquid content include liquid seasonings such as soy sauce, liquid detergents, and liquid cosmetics. Examples of the contents of the powder include salt, sugar, pepper, granular seasoning, powder detergent and the like.

As shown in FIGS. 1 and 2, the spout main body 20 has a pouring protrusion 26 including a pouring cylinder portion 22 and a sealing protrusion 24 provided on the tip end side of the pouring cylinder portion 22. The dispensing protrusion 26 includes the dispensing cylinder portion 22 and the dispensing cylinder portion 22 in the spout main body 20, and refers to the entire portion protruding toward the tip side from the mounting portion 21.

The spout body 20 is formed through a content flow path 25 that allows the contents in the container portion 111 to be poured out from the pouring outlet 25b that opens to the tip side of the pouring cylinder portion 22 on the side surface of the tip portion of the pouring protrusion 26. ing. The spout body 20 includes a content flow path 25.
The content flow path 25 is formed so as to include the inside of the dispensing cylinder portion 22 and to penetrate the mounting portion 21. The content flow path 25 includes a base end opening 25a, which is an opening that opens in the center of the base end side surface 21a (base end surface) on the side opposite to the dispensing cylinder 22 side of the mounting portion 21, and a spout body. Includes an injection port 25b on the side surface of the tip portion of the ejection protrusion 26 of 20. The content flow path 25 is formed extending from the base end opening 25a at one end to the spout main body 20 including the spout 25b at the other end.
The pouring spout 10 is a content in which the contents in the container portion 111 that has flowed into the content flow path 25 from the base end opening 25a opened in the mounting portion 21 are opened on the side surface of the tip portion of the pouring protrusion 26. It can be dispensed from the injection port 25b of the object flow path 25.

The portion 33 of the sleeve body 31 of the outer sleeve 30 shown in FIGS. 1 to 4 extending toward the tip end side from the stopper protrusion 32 is hereinafter also referred to as a main cylinder portion or an outer sleeve main cylinder portion.
As shown in FIGS. 1 and 2, the refill container 110 having the dispensing spout 10 includes the outer sleeve main cylinder portion 33 of the dispensing spout 10 and the spout body 20 inside the packaging container 120 (filling target container). It can be used for a filling operation in which the contents in the container portion 111 are filled in the packaging container 120 by inserting the contents into the tubular nose portion 121 (container mouth portion) formed so as to protrude from the container.

As shown in FIGS. 1, 2, and 4, the spout body 20 is projected from the inner peripheral surface of the attachment portion 21, the dispensing cylinder portion 22, and the content flow path 25 formed through the spout body 20. A flow path partition wall 23 that divides the content flow path 25 into a plurality of divided flow paths 25c, and a sealing protrusion 24 that is formed so as to project from the flow path partition wall 23 toward the tip (protrusion) side of the dispensing cylinder 22. Have.

As shown in FIGS. 1 and 2, the flow path partition wall 23 protrudes from the inner peripheral surface of the portion of the content flow path 25 located at the attachment portion 21 of the spout body 20 and the dispensing cylinder portion 22, and the content flow path 25. Is divided into a plurality of regions (divided flow paths 25c) in a cross-sectional direction perpendicular to the axis (hereinafter, also simply referred to as a cross-sectional direction). The flow path partition wall 23 is formed over the entire length in the axial direction of the portion of the content flow path 25 located at the attachment portion 21 and the dispensing cylinder portion 22.

As shown in FIGS. 4 and 6, the spout main body 20 has only one flow path partition wall 23 in the content flow path 25 that divides the content flow path 25 into two in the cross-sectional direction, and the flow path partition wall 23 The structure is such that two divided flow paths 25c are formed in the content flow path 25.
However, the spout body 20 is not limited to a configuration in which the content flow path 25 is divided into two divided flow paths 25c by the flow path partition wall 23, and the content flow path 25 is divided into three or more divided flows by the flow path partition wall 23. A configuration divided into roads 25c can also be adopted.
The number and shape of the flow path partition wall 23 (cross-sectional shape perpendicular to the axis of the content flow path 25) can be appropriately set according to the number of formed flow paths 25c.

As shown in FIGS. 1, 2, and 4, the flow path partition wall 23 of the spout body 20 of the dispensing spout 10 of this embodiment is from the dispensing cylinder portion 22 to the tip end side thereof (opposite to the mounting portion 21). It has a protruding tip portion 23a that extends and protrudes to the side of).
The sealing protrusion 24 has a cover wall portion 24a formed in a tapered cylindrical shape that increases in diameter toward the tip side of the protruding tip portion 23a of the flow path partition wall 23, and a flow path partition of the cover wall portion 24a. It has a ring-shaped fitting portion 24b formed over the entire circumference of the tip portion on the opposite side of the wall 23. The cover wall portion 24a and the fitting portion 24b of the sealing protrusion 24 are formed coaxially with the dispensing cylinder portion 22.
The sealing protrusion 24 of the spout body 20 is supported by the pouring cylinder 22 via the flow path partition wall 23. The flow path partition wall 23 serves as a support piece portion for supporting the sealing protrusion 24 on the pouring cylinder portion 22.

The pouring protrusion 26 of the spout body 20 refers to the entire portion of the spout body 20 protruding toward the tip side from the mounting portion 21.
The pouring protrusions 26 shown in FIGS. 1, 2 and 4 include a pouring cylinder portion 22, a portion located on the tip side in the spout axis direction from the mounting portion 21 of the flow path partition wall 23, and a sealing protrusion. It is configured to include a part 24.

As shown in FIG. 1, the fitting portion 24b of the sealing protrusion 24 is formed in a ring shape that can be fitted and adhered to the inside of the tip portion of the main cylinder portion 33 of the outer sleeve 30. The sealing protrusion 24 seals the entire inside of the tip portion of the outer sleeve main cylinder portion 33 by fitting the fitting portion 24b inside the tip portion of the main cylinder portion 33 of the outer sleeve 30.
As shown in FIG. 2, the fitting portion 24b can be detached from the inside of the tip portion of the outer sleeve main cylinder portion 33, and is detachably fitted to the inside of the tip portion of the outer sleeve main cylinder portion 33. To.

As shown in FIGS. 1, 2 and 4, the fitting portion 24b of the sealing protrusion 24 is moved from the tip of the dispensing cylinder 22 to the side opposite to the mounting portion 21 (the tip of the dispensing cylinder 22). It is formed at a distance.
The content flow path 25 of the spout body 20 includes a flow path tip region 25d which is a region (space) secured between the tip of the dispensing cylinder 22 and the sealing protrusion 24. The pouring outlet 25b of the content flow path 25 is an opening that opens between the tip of the pouring cylinder 22 and the fitting portion 24b of the sealing protrusion 24 on the side surface of the pouring protrusion 26.

As shown in FIGS. 1 and 2, the outer sleeve 30 includes a fitting receiving portion 34 projecting on the entire inner circumference of the tip portion of the main cylinder portion 33.
Specifically, the fitting portion 24b of the sealing protrusion 24 of the spout body 20 is formed so as to be fitted and adhered to the inside of the fitting receiving portion 34 of the outer sleeve 30.
The fitting portion 24b of the sealing protrusion 24 is formed to have a slightly smaller diameter than the dispensing cylinder portion 22 of the spout main body 20.

As shown in FIGS. 1, 2 and 4, the pouring protrusion 26 of the spout body 20 has a stopper receiving portion 27 which is a protruding portion protruding from the side surface of the base end portion of the pouring cylinder 22. are doing.
The stopper receiving portion 27 of the spout main body 20 shown in FIGS. 1, 2 and 4 is formed in a flange shape protruding from the entire side surface of the base end portion of the dispensing cylinder portion 22.

As shown in FIG. 2, the outer sleeve 30 can come into contact with the stopper receiving portion 27 of the spout main body 20 from the tip end side of the ejection protrusion 26.
The position where the base end portion of the outer sleeve 30 abuts against the stopper receiving portion 27 from the tip end side of the pouring protrusion 26 is the movement limit position toward the base end side with respect to the spout body 20 (base end side movement limit position). ing.
The outer sleeve 30 has a base end side movement limit position that abuts against the stopper receiving portion 27 and a tip portion of the outer sleeve main cylinder portion 33 with respect to the spout main body 20 by sliding movement in the spout axis direction with respect to the ejection protrusion 26. The fitting position where the inner fitting receiving portion 34 is fitted to the fitting portion 24b of the sealing protrusion 24 of the spout body 20 can be switched.

As shown in FIGS. 4 and 6, the stopper member 40 has a C-ring-shaped interposition piece 41 and a handle piece 42 projecting from the interposition piece 41.
The handle piece 42 includes a base piece portion 43 formed so as to project on the curved outer peripheral side surface of the central portion of the extension direction (curvature circumferential direction) of the intervening piece 41 that is curved and extends in a C-ring shape, and the base piece portion. It has an overhanging piece portion 44 projecting from a tip opposite to the interposing piece 41 of 43 to the side thereof.

As shown in FIGS. 3 and 5, the interposition piece 41 has a stopper arrangement area secured between the outer sleeve 30 arranged at the fitting position with respect to the spout body 20 and the stopper receiving portion 27 of the spout body 20. It can be inserted and arranged in 11.
As shown in FIG. 5, the height dimension 41T (see FIGS. 4 and 5), which is a dimension in the direction along the axis (curved axis) of the bending center of the interposition piece 41, is located at the fitting position with respect to the spout body 20. It is equivalent to the separation distance ΔL (see FIG. 1) between the arranged outer sleeve 30 and the stopper receiving portion 27 of the spout body 20.

As shown in FIGS. 3 and 5, the portion 22a located in the stopper arrangement region 11 in the dispensing cylinder portion 22 of the spout main body 20 is hereinafter also referred to as an arrangement region extending portion.
The interposition piece 41 is detachably attached to the outside of the arrangement area extending portion 22a in the dispensing cylinder portion 22. FIG. 5 shows a state in which the interposition piece 41 of the stopper member 40 is attached to the arrangement area extending portion 22a of the injection cylinder portion 22 and is arranged in the stopper arrangement area 11 of the injection spout 10.
The stopper member 40 is attached to the pouring spout 10 by mounting the interposition piece 41 on the placement area extending portion 22a of the pouring cylinder portion 22 and arranging it in the stopper placement region 11 of the pouring spout 10. .. Further, the pouring spout 10A with a stopper member is put into an assembled state by attaching the stopper member 40 to the pouring spout 10.

As shown in FIG. 6, the radius of curvature of the intervening piece 41 on the curved inner peripheral side is equivalent to the outer diameter of the arrangement area extending portion 22a of the dispensing cylinder portion 22.
The separation distance 41L between both ends in the extending direction (curved circumferential direction) of the intervening piece 41 curved and extending in a C-ring shape is smaller than the outer diameter of the arrangement area extending portion 22a of the dispensing cylinder portion 22. The intervening piece 41 elastically deforms the extending portions extending from the base piece portion 43 of the handle piece 42 to both sides to temporarily widen the space between the tips of the pair of extending portions to temporarily widen the area between the tips of the pair of extending portions. It is attached to and detached from the extending portion 22a.
The extending portions of the interposing piece 41 extending from the base piece portion 43 of the handle piece 42 to both sides each function as an interposing piece arranged in the stopper arrangement region 11.

As shown in FIG. 6, the separation distance 41L between both ends of the intervening piece 41 in the extending direction is set to, for example, 5 to 40% of the outer diameter of the arrangement area extending portion 22a of the dispensing cylinder portion 22.
However, it is also possible to adopt a configuration in which both ends in the extending direction are in contact with each other when the interposition piece 41 is not attached to the dispensing cylinder portion 22 or is attached to the dispensing cylinder portion 22.
Further, when the interposition piece 41 is not attached to the dispensing cylinder portion 22 or is attached to the dispensing cylinder portion 22, the interposition piece 41 is formed by being recessed from the tip of both ends in the extending direction. It is also possible to adopt a configuration in which projecting pieces formed on the other end of both ends in the extending direction enter.

By arranging the interposition piece 41 of the stopper member 40 in the stopper arrangement area 11, the movement of the outer sleeve 30 arranged at the fitting position with respect to the stopper body 20 to the base end side of the dispensing cylinder portion 22 is restricted. ..
In the interposition piece 41 arranged in the stopper arrangement area 11, the outer sleeve 30 arranged at the fitting position with respect to the stopper body 20 is carelessly pushed toward the base end side of the dispensing cylinder portion 22, and the contents of the stopper body 20 Prevents the spout 25b of the object flow path 25 from being opened.

The base piece portion 43 of the stopper member 40 shown in FIGS. 4 and 5 and the like is a side surface of the curved outer peripheral side of the central portion of the extending direction (curved circumferential direction) of the interposition piece 41 which is curved and extends in a C ring shape. It is formed in a plate shape perpendicular to the tangential direction.
The base piece portion 43 shown in FIGS. 4 and 5 and the like is a portion extending from the central portion of the interposition piece 41 of the stopper member 40 in the extending direction to the side opposite to the curved axis of the interposition piece 41. It has a bridging portion 43a that bridges between the dressing piece 41 and the overhanging piece portion 44 of the handle piece 42. Further, the base piece portion 43 shown in FIGS. 4 and 5 extends from the bridge entanglement portion 43a of the base piece portion 43 and the central portion in the extending direction of the interposition piece 41 to one side in the bending axis direction of the interposition piece 41. It has an extension plate portion 43b.

The base piece portion 43 having the extending plate portion 43b is less likely to be broken or deformed as compared with a configuration in which only the bridging portion 43a is present, for example.
The extension plate portion 43b serves as a reinforcing material for the bridge entanglement portion 43a.
The base piece portion 43 of the stopper member 40 can adopt a configuration in which there is no extension plate portion 43b and only the bridge entanglement portion 43a exists, or a configuration in which there is no bridge entanglement portion 43a and only the extension plate portion 43b exists. is there.

As shown in FIG. 5, the extension plate portion 43b is not connected to the central portion in the extending direction of the interposition piece 41 in the entire radial direction centered on the curved axis of the interposition piece 41. , It is connected only to the portion outside (opposite to the curved axis of the intervening piece 41) from the radial central portion in the central portion in the extending direction of the interposing piece 41.

As shown in FIG. 4, the extension plate portion 43b of the base piece portion 43 of the handle piece 42 of the stopper member 40 is inserted into a part of the stopper protrusion 32 of the outer sleeve 30 in the circumferential direction. A groove 32a is formed.
The base piece insertion groove 32a is formed in a groove shape extending from the radial outside of the stopper protrusion 32 along the axial direction of the recessed ring-shaped stopper protrusion 32. One end (base end) of the base piece insertion groove 32a in the extending direction is opened on the base end side of the stopper protrusion 32 on the base end side extending perpendicularly to the sleeve body 31 axis direction of the outer sleeve 30, and the other end in the extending direction. The (tip) is opened on the tapered side surface of the stopper protrusion 32.

As shown in FIGS. 3 and 5, in the stopper member 40, the interposition piece 41 is mounted on the arrangement area extending portion 22a of the dispensing cylinder portion 22 and arranged in the stopper arrangement area 11, and the base of the handle piece 42. The extension plate portion 43b of the one portion 43 is inserted into the base piece portion insertion groove 32a of the stopper protrusion 32 of the outer sleeve 30, and the extension plate portion 43b of the base piece portion 43 is tipped from the bridge engagement portion 43a in the spout axis direction. It is attached to the pouring spout 10 in a direction located on the side.

The handle piece 42 of the stopper member 40 is a stopper from the interposition piece 41 when the interposition piece 41 of the stopper member 40 is attached to the arrangement area extending portion 22a of the dispensing cylinder portion 22 and is arranged in the stopper arrangement area 11. It is arranged in a protruding state toward the side of the arrangement area 11. Further, the handle piece 42 is formed in a size that can be grasped by the user with fingers.
The interposition piece 41 mounted on the arrangement area extending portion 22a of the dispensing cylinder portion 22 and arranged in the stopper arrangement area 11 is, for example, a user who uses the refill container 110 can use his / her fingers to hold the handle piece 42 of the stopper member 40. The work of pulling out from the stopper arrangement area 11 can be easily performed by gripping and applying a pulling force in the direction perpendicular to the 22 axis of the pouring cylinder portion.

As shown in FIG. 5, the overcap 50 is attached to the outer sleeve 30 of the pouring spout 10 and the placement area extending portion 22a of the pouring cylinder portion 22, and the stopper member 40 is arranged in the stopper placement area 11. It has a tubular wall portion 51 capable of accommodating the intervention piece 41, and a tip wall portion 52 that closes the distal end side of the tubular wall portion 51.
The overcap 50 can be detachably attached to the pouring spout 10A with a stopper member in the assembled state.
The overcap 50 can be detachably attached to the pouring spout 10 to which the stopper member 40 is not attached.

FIG. 5 shows a capped pouring with the overcap 50 attached to the pouring spout 10A with a stopper member in the assembled state by accommodating the outer sleeve 30 of the pouring spout 10 and the interposition piece 41 of the stopper member 40. The spout 10B for use is shown.
Inside the cylinder wall 51 of the overcap 50, the extrapolation sleeve 30 of the spout 10 for dispensing, the protrusion 26 for dispensing inside the sleeve 30, and the extending portion 22a of the arrangement area of the dispensing cylinder 22 are attached. The extrapolation piece 41 of the stopper member 40 arranged in the stopper arrangement region 11 can be accommodated from the base end side opening of the cylinder wall portion 51.

Regarding the dispensing spout 10, the outer sleeve 30 is arranged at the fitting position with respect to the spout body 20, and the interposition piece 41 of the stopper member 40 is attached to the arrangement area extending portion 22a of the dispensing cylinder portion 22 to stop the stopper. The state of being arranged in the arrangement area 11 is also referred to as an initial state.

As shown in FIGS. 4 and 6, the cylinder wall portion 51 of the overcap 50 is formed with a handle piece insertion slit 53 extending from its base end toward the tip end side.
To attach the overcap 50 to the pouring spout 10 in the initial state, the overcap 50 is moved to the pouring spout 10 from the tip side toward the mounting portion 21, and the outer sleeve 30 of the pouring spout 10 is moved. And the ejection protrusion 26 on the inner side thereof is inserted into the tubular wall portion 51 of the overcap 50 from the opening on the base end side thereof.
Further, the base piece portion 43 of the handle piece 42 of the stopper member 40 is inserted into the handle piece insertion slit 53 of the cylinder wall portion 51 of the overcap 50, and the handle piece insertion slit in the circumferential direction of the cylinder wall portion 51 of the overcap 50. The portions located on both sides via the 53 are inserted between the overhanging piece 44 of the handle piece 42 of the stopper member 40 and the interposing piece 41, and the interposing piece 41 of the stopper member 40 is housed inside the cylinder wall portion 51. To do.

As shown in FIG. 3, when the overcap 50 is mounted over the spout 10A with a stopper member in the assembled state, the base piece portion 43 of the handle piece 42 of the stopper member 40 mounted on the spout 10 for dispensing. First, the extension plate portion 43b is inserted into the handle piece insertion slit 53 of the overcap 50, and then the bridge entanglement portion 43a is inserted into the handle piece insertion slit 53.
The extension plate portion 43b of the base piece portion 43 of the handle piece 42 of the stopper member 40 covers the cylinder wall portion of the overcap 50 when the overcap 50 is placed over the spout 10A with a stopper member in the assembled state. It serves as a guide member that smoothly guides both side portions to the bridging portion 43a of the handle piece 43 via the handle piece insertion slit 53 at the base end portion of the handle piece 43.

The overcap 50 has the base piece portion 43 of the handle piece 42 of the stopper member 40 inserted into the handle piece insertion slit 53 of the cylinder wall portion 51, and the overcap 50 passes through the handle piece insertion slit 53 in the circumferential direction of the cylinder wall portion 51. By inserting the portions located on both sides between the overhanging piece 44 of the handle piece 42 of the stopper member 40 and the interposing piece 41, it is possible to prevent the stopper member 40 from being mounted at a large inclination with respect to the spout 10 for dispensing. be able to.
A part of the cylinder wall portion 51 is inserted between the base piece portion 43 inserted into the handle piece insertion slit 53 of the cylinder wall portion 51 of the overcap 50 in the handle piece 42 of the stopper member 40 and the interposition piece 41. Each of the overhanging piece portions 44 effectively contributes to stabilizing the mounting orientation of the overcap 50 with respect to the spout 10 for dispensing.

As shown in FIGS. 3 and 7, on the inner surface of the base end portion of the cylinder wall portion 51 of the overcap 50, an engaging projection 54 that engages with the stopper receiving portion 27 of the spout body 20 so as to be engaged with and disengaged is formed. Has been done.
The overcap 50 includes an engaging protrusion 54.

As shown in FIG. 7, the overcap 50 moved from the tip end side of the pouring spout 10 in the initial state toward the mounting portion 21 has an engaging projection 54 on the inner surface of the base end portion of the tubular wall portion 51. Is made to ride over the stopper receiving portion 27 of the spout body 20 from the tip end side in the spout axis direction to the proximal end side by elastic deformation of the tubular wall portion 51, and is engaged with the proximal end side in the spout axial direction of the stopper receiving portion 27.
The installation of the overcap 50 on the pouring spout 10 in the initial state is completed by engaging the engaging protrusion 54 on the inner surface of the base end portion of the cylinder wall portion 51 of the overcap 50 with the stopper receiving portion 27 of the spout body 20. To do.

As shown in FIG. 5, when the attachment of the overcap 50 to the pouring spout 10 in the initial state is completed, the tip wall portion 52 is attached to the tip of the outer sleeve 30 at the fitting position with respect to the spout body 20. It is configured to be in contact (or placed close to each other through a very small gap).
When the attachment of the overcap 50 to the ejection spout 10 in the initial state is completed, the outer sleeve 30 at the fitting position with respect to the spout body 20 is moved to the attachment portion 21 side by the interposition piece 41 of the stopper member 40. It is regulated, and the overcap 50 regulates the movement of the spout body 20 toward the tip end side. As a result, the state in which the outer sleeve 30 is arranged at the fitting position with respect to the spout body 20 is stably maintained.

If the outer sleeve 30 of the dispensing spout 10 is displaced from the fitting position with respect to the spout body 20 toward the tip of the spout body 20 when the overcap 50 is attached to the dispensing spout 10, the outer sleeve 30 is , It is pushed by the tip wall portion 52 of the overcap 50 and is arranged at the fitting position with respect to the spout main body 20.

As shown in FIG. 6, the curved outer peripheral side surface of the interposition piece 41 of the stopper member 40 is located on a virtual circle having the same curved radius as the inner peripheral surface of the tubular wall portion 51 of the overcap 50.
Therefore, when the attachment of the overcap 50 to the pouring spout 10 is completed, the intervention piece 41 of the stopper member 40 is placed in the stopper arranging area 11 of the pouring spout 10 by the cylinder wall portion 51 of the overcap 50. The arranged state is maintained stably.

The overcap 50 attached to the dispensing spout 10 is pulled toward the tip side of the dispensing spout 10, and the engaging projection 54 on the inner surface of the base end portion of the cylinder wall portion 51 is brought into contact with the stopper receiving portion 27 of the spout body 20. By pulling out from the spout 10 to the tip side, the spout 10 can be separated from the spout 10.
As shown in FIG. 3, when the overcap 50 is separated from the dispensing spout 10, the stopper arranging area 11 of the interposition piece 41 of the stopper member 40 arranged in the stopper arranging area 11 of the dispensing spout 10. Can be removed from.

As shown in FIG. 5, when the attachment of the overcap 50 to the pouring spout 10 in the initial state is completed, the overhanging piece 44 of the handle piece 42 of the stopper member 40 is arranged outside the overcap 50. Therefore, it is possible to visually confirm that the stopper member 40 is attached to the dispensing spout 10 without removing the overcap 50 from the dispensing spout 10.

As shown in FIG. 3, when the overcap 50 is detached from the dispensing spout 10, the handle piece 42 of the stopper member 40 is arranged in the stopper arranging area 11 of the dispensing spout 10. Since it protrudes from the stopper arrangement area 11 sideways, the user of the refill container 110 can clearly visually confirm the presence of the handle piece 42. Therefore, the user who fills the contents from the refill container 110 to the packaging container 120 can be urged to remove the stopper member 40 attached to the dispensing spout 10 from the dispensing spout 10.

The pouring spout 10 in the initial state can slide the outer sleeve 30 toward the proximal end side with respect to the spout body 20 by pulling out the stopper member 40 with the overcap 50 removed.

As shown in FIGS. 1 and 2, in the refill container 110, the pouring spout 10 with the overcap 50 and the stopper member 40 removed (removed) is inserted into the cylindrical nose 121 of the packaging container 120. Then, it is used for filling the contents of the packaging container 120.
In FIGS. 1 and 2, the upper side is the upper side and the lower side is the lower side.
As shown in FIG. 1, in the filling operation of filling the contents from the refill container 110 to the packaging container 120, the packaging container 120 is oriented so that the tip of the mouth portion 121 is at the upper end, and the pouring spout 10 of the refill container 110 is opened. It is inserted into the neck portion 121 from above, and the stopper protrusion 32 of the outer sleeve 30 is brought into contact with the tip of the mouth portion 121.
In the refill container 110, the tip of the pouring spout 10 is located at the lower end and the container portion 111 is located above the pouring spout 10, and the pouring spout 10 is inserted into the mouth portion 121. I will go.

At this time, the pouring spout 10 is inserted into the mouth portion 121 of the packaging container 120 from the tip end side in a state where the outer sleeve 30 is arranged at the fitting position with respect to the spout body 20. In the outer sleeve 30, the main cylinder portion 33 is first inserted into the mouth portion 121 of the packaging container 120, and the stopper protrusion portion 32 is brought into contact with the tip of the mouth portion 121.

Next, as shown in FIG. 2, the dispensing protrusion 26 of the spout body 20 is projected from the outer sleeve 30 toward the tip end side by continuing the insertion operation of the dispensing spout 10 into the mouth portion 121, and the content flow path is formed. The spout 25b of 25 is opened.
By opening the pouring outlet 25b of the content flow path 25 of the pouring spout 10, the contents in the refill container 110 flow into and fill the packaging container 120 through the content flow path 25 of the pouring spout 10. To.

The contents in the refill container 110 flow into and fill the packaging container 120 through one or more of the plurality of divided flow paths 25c (see FIGS. 1, 2, 3, 3 and the like) of the contents flow path 25 of the pouring spout 10. Will be done.

As shown in FIGS. 4 and 5, liquid stop ribs 28 extending all around the circumferential direction are projected at a plurality of axial directions on the side surface of the pouring cylinder portion 22 of the spout main body 20.
The inner peripheral surface of the sleeve body 31 of the outer sleeve 30, that is, the inner peripheral surface of the through hole (sleeve through hole) inside the outer sleeve 30, is in contact with the liquid stop rib 28. The liquid stop rib 28 suppresses the contact area between the outer sleeve 30 and the pouring cylinder 22 to reduce the sliding resistance of the outer sleeve 30 with respect to the pouring cylinder 22, and the outer sleeve 30 and the pouring cylinder 22. It serves to prevent the passage of contents between.

As shown in FIG. 2, the inner diameter of the mouth portion 121 of the packaging container 120 is from the end on the tip side of the outer sleeve 30 to the inner side of the outer sleeve 30 of the groove bottom of the base piece portion insertion groove 32a of the outer sleeve 30 of the ejection spout 10. The base piece insertion groove of the outer sleeve 30 is larger than twice the separation distance to the central axis of the sleeve through hole, and is inserted into the spout passage 123 inside the mouth portion 121 to which the stopper protrusion 32 of the outer sleeve 30 is in contact. When the 32a communicates, the packaging container 120 and the refill are provided by the clearance between the inner peripheral surface of the mouth portion 121 and the outer peripheral surface of the portion inserted into the mouth portion 121 of the outer sleeve 30, and the base piece portion insertion groove 32a. A ventilation passage 12 communicating with the outer space of the container 110 is secured.
The base piece insertion groove 32a of the outer sleeve 30 is located at the end of the ventilation passage 12, and is a clearance between the inner peripheral surface of the mouth portion 121 and the outer peripheral surface of the portion inserted into the mouth portion 121 of the outer sleeve 30. And serves as an air passage outlet groove for communicating between the packaging container 120 and the outer space of the refill container 110.

The air extruded from the packaging container 120 flows into the air passage 12 as the contents are filled from the refill container 110 to the packaging container 120.
The ventilation passage 12 enables the air extruded from the packaging container 120 to be degassed from the packaging container 120 as the filling of the contents from the refill container 110 to the packaging container 120 progresses, and from the refill container 110 to the packaging container 120. It plays a role in facilitating the filling of the contents of.

As shown in FIGS. 1 and 2, the outer sleeve 30 of the pouring spout 10 of the refill container 110 is a packaging container 120 to a position where the stopper protrusion 32 abuts on the tip of the mouth portion 121 into which the main cylinder portion 33 is inserted. Can be inserted into. In the outer sleeve 30, the position where the stopper protrusion 32 abuts on the tip of the mouth portion 121 is the insertion limit position with respect to the packaging container 120.
The stopper protrusion 32 of the outer sleeve 30 is brought into contact with the tip of the mouth portion 121 into which the main cylinder portion 33 is inserted, thereby restricting the displacement of the sleeve body 31 with respect to the mouth portion 121 in the insertion direction.

Further, the stopper protrusion 32 corresponds to various diameters (inner diameters) of the mouth portion 121 of the packaging container 120 within a range capable of contacting the tip of the mouth portion 121 of the packaging container 120 with respect to the packaging container 120 of the outer sleeve 30. It is possible to set the insertion limit position (support of the outer sleeve 30 with respect to the packaging container 120 at the insertion limit position).

The stopper protrusion 32 formed in a tapered shape in which the protrusion dimension from the sleeve body 31 increases toward the base end side of the outer sleeve 30 around the base end portion of the sleeve body 31 of the outer sleeve 30 is a packaging container 120. By being brought into contact with the tip of the mouth portion 121 over almost the entire circumference, the spout body 20 is fitted into the mouth portion 121, which effectively contributes to maintaining the stability of the insertion direction of the spout main body 20 with respect to the mouth portion 121. ..

Further, as shown in FIGS. 1 and 2, the stopper protrusion 32 formed in a ring shape around the base end portion of the sleeve body 31 of the outer sleeve 30 abuts on the tip of the mouth portion 121 of the packaging container 120. By doing so, it is provided so as to close the upper end of the clearance generated between the inner peripheral surface of the mouth portion 121 and the outer sleeve main cylinder portion 33 inserted inside the inner peripheral surface.

As shown in FIG. 5 and the like, the outer sleeve 30 has a rear end portion in which the rear end portion of the sleeve body 31 and the stopper protrusion 32 are integrated. The base piece insertion groove 32a of the stopper protrusion 32 is not formed in the entire stopper protrusion 32 radial direction, but is formed in the stopper protrusion 32 radial direction from the virtual extension of the side surface of the sleeve body 31 at the base end of the outer sleeve 30. It is formed so that the groove bottom is located at a place separated from the outside.

When the inner diameter of the mouth portion 121 of the packaging container 120 is equal to or less than the distance from the sleeve body 31 axis of the groove bottom of the base piece insertion groove 32a of the stopper protrusion 32, the stopper protrusion 32 of the outer sleeve 30 is the packaging container 120. It is possible to close the entire upper end of the clearance generated between the inner peripheral surface of the mouth portion 121 and the outer sleeve main cylinder portion 33 inserted inside the inner peripheral surface of the mouth portion 121 when the tip of the mouth portion 121 is brought into contact with the tip.
When the inner diameter of the mouth portion 121 of the packaging container 120 is larger than the distance from the sleeve body 31 axis of the groove bottom of the base piece portion insertion groove 32a of the stopper protrusion 32, the stopper protrusion 32 of the outer sleeve 30 is the packaging container 120. It is possible to close most of the upper end of the clearance generated between the inner peripheral surface of the mouth portion 121 and the outer sleeve main cylinder portion 33 inserted inside the inner peripheral surface of the mouth portion 121 when the tip of the mouth portion 121 is brought into contact with the tip.
The stopper protrusion 32 abutting on the tip of the mouth portion 121 of the packaging container 120 effectively contributes to the prevention of the contents overflowing from the mouth portion 121 in the content filling work from the refill container 110 to the packaging container 120. ..

There are various inner diameters of the mouth portion 121 of the packaging container 120.
The larger the inner diameter of the mouth portion 121 of the packaging container 120, the larger the insertion dimension of the stopper protrusion 32 of the outer sleeve 30 into the packaging container 120 in the axial direction of the mouth portion 121 when it comes into contact with the tip of the mouth portion 121.
Further, the packaging container 120, which is a bottle-shaped container, has a shoulder portion 122 extending from a base end opposite to the tip end of the mouth portion 121 so as to project around the base end. There are also various axial dimensions of the spout flow path 123 that is continuous from the inside of the tip of the shoulder portion 122 to the inside of the mouth portion 121 in the packaging container 120.

The outer sleeve 30 of the pouring spout 10 is, for example, the inner diameter of the mouth portion 121 of one or more packaging containers 120 set as the filling target container for filling the contents from the refill container 110, and various types of the spout flow path 123. In view of the axial dimension, for all the packaging containers 120 set as the containers to be filled, when the stopper protrusion 32 is in contact with the tip of the mouth portion 121 of the packaging container 120, the tip of the outer sleeve main cylinder 33 It is designed and used so that it is arranged below the spout flow path 123.
The outer sleeve 30 of the pouring spout 10 has, for example, a stopper for all packaging containers 120 set as filling target containers by adjusting the axial dimension of the outer sleeve main cylinder 33 without changing the stopper protrusion 32. Even if it is designed so that the tip of the outer sleeve main cylinder 33 is arranged below the spout flow path 123 of the packaging container 120 when the protrusion 32 is in contact with the tip of the mouth 121 of the packaging container 120. good.

As shown in FIG. 2, when the stopper protrusion 32 is in contact with the tip of the mouth portion 121 of the packaging container 120, the tip of the outer sleeve main cylinder portion 33 is arranged below the inlet / outlet flow path 123 of the packaging container 120. The pouring spout 10 can open the pouring outlet 25b of the content flow path 25 below the tip of the shoulder portion 122 of the packaging container 120 by pushing the spout body 20 into the mouth portion 121.
In the configuration in which the pouring outlet 25b of the content flow path 25 is opened below the tip of the shoulder portion 122 of the packaging container 120, the pouring outlet 25b of the content flow path 25 is opened in the pouring outlet flow path 123 of the packaging container 120. It is advantageous to smoothly and in a short time to pour the contents into the packaging container 120 from the spout 25b of the contents flow path 25 of the spout 10 for pouring.

As shown in FIG. 2, the refill container 110 in which the outer sleeve main cylinder portion 33 is inserted into the tip of the mouth portion 121 of the packaging container 120 and the injection port 25b of the content flow path 25 of the spout main body 20 is opened has the outer sleeve 30 as a stopper. By pulling it back to the position where it comes into contact with the receiving portion 27, the fitting portion 24b at the tip of the spout body 20 can be fitted to the tip of the outer sleeve main cylinder 33, and the spout 25b of the content flow path 25 can be closed.
As a result, the refill container 110 can be stored in a state in which the contents are prevented from leaking from the injection port 25b of the contents flow path 25 even if the contents such as residual liquid are present inside.

Although the present invention has been described above based on the best mode, the present invention is not limited to the above-mentioned best mode, and various modifications can be made without departing from the gist of the present invention.

As illustrated in FIGS. 1 and 2, the stopper receiving portion of the dispensing spout is not limited to the protrusion protruding from the mounting portion 21 on the side surface of the dispensing cylinder 22 toward the tip of the spout, and the spout is not limited to the protrusion. The mounting portion itself of the main body may be used. When the stopper receiving portion is the mounting portion of the spout main body, it is a protruding portion protruding from the mounting portion 21 on the side surface of the dispensing cylinder 22 toward the tip of the spout as illustrated in FIGS. 1 and 2. The stopper receiving portion is omitted, and a configuration is adopted in which a stopper placement area is secured between the mounting portion and the base end of the outer sleeve.

The spout body can also adopt a configuration in which there is no flow path partition wall for forming a plurality of divided flow paths in the content flow path.
Further, the sealing protrusion of the spout body is supported by, for example, a support piece projecting from a plurality of locations in the circumferential direction of the tip of the dispensing cylinder to the tip side of the spout body, regardless of the presence or absence of the flow path partition wall. Can also be adopted. In the case of this configuration, a spout is secured between the supporting pieces adjacent to each other in the circumferential direction of the spouting cylinder.

The stopper member may be any as long as it can be arranged in the stopper arrangement area of the pouring spout, and its specific shape is not limited.
The stopper member is, for example, a structure in which the stopper member is detachably connected to the stopper receiving portion or the outer sleeve via a fragile thin-walled portion that can be cut by the finger, or the stopper receiving portion, the outer sleeve, or the pouring cylinder portion. On the other hand, a configuration in which an engaging protrusion that can be disengaged by a pulling force in a direction perpendicular to the axis of the dispensing cylinder is engaged, a stopper receiving portion, an outer sleeve, or a hook formed on the dispensing cylinder. It is also possible to adopt a configuration in which an engaging recess is formed so as to be disengaged by a pulling force in a direction perpendicular to the axis of the pouring cylinder portion with respect to the joint protrusion.
Further, the stopper member may be configured not to have a handle piece.
However, the stopper member adopts a configuration in which the stopper member is arranged so as to be able to be removed from the stopper arrangement area by a pulling force in a direction perpendicular to the axis of the dispensing cylinder portion.

The tapered stopper protrusion of the stopper member is not limited to the configuration formed in a ring shape around the base end of the sleeve body of the outer sleeve, and is dispersed at a plurality of locations in the circumferential direction of the base end of the sleeve body of the outer sleeve. Arranged configurations can also be adopted.

10 ... Dispensing spout, 10A ... Dispensing spout with stopper member, 10B ... Dispensing spout with cap, 11 ... Stopper placement area, 12 ... Ventilation path, 20 ... Spout body, 21 ... Mounting part, 21a ... Base End face, 22 ... Dispensing cylinder portion, 22a ... Arrangement area extending portion, 23 ... Support piece portion (flow path partition wall), 23a ... Protruding tip portion, 24 ... Sealing protrusion, 24a ... Cover wall portion, 24b ... Fitting portion, 25 ... Contents flow path, 25a ... Base end opening, 25b ... Pouring outlet, 25c ... Divided flow path, 25d ... Flow path tip region, 26 ... Discharging protrusion, 27 ... Stopper receiving part, 28 ... Engagement protrusion, 30 ... Outer sleeve, 31 ... Sleeve body, 32 ... Stopper protrusion, 32a ... Vent passage outlet groove, base piece insertion groove, 33 ... Main cylinder part, 34 ... Fitting receiving part, 40 ... Stopper member, 41 ... Intermediary piece, 41L ... Separation distance (between both ends of the interposition piece), 41T ... Height dimension (of the interposition piece), 42 ... Handle piece, 43 ... Base piece part, 43a ... Bridge entanglement part , 43b ... Extension plate part, 44 ... Overhang piece part, 50 ... Overcap, 51 ... Cylinder wall part, 52 ... Tip wall part, 53 ... Handle piece insertion slit, 54 ... Engagement protrusion, 110 ... Refill container, 111 (Container) ... Container part, 120 ... Container to be filled (packaging container), 121 ... Container mouth part (mouth part), 122 ... Shoulder part, 123 ... Pouring outlet flow path, ΔL ... Outer sleeve and stopper receiver at fitting position Separation distance from the part.

Claims (7)

Extrapolated in the axial direction to the spout body including the mounting portion attached to the container in which the contents are housed and the dispensing cylinder portion protruding from the mounting portion, and the dispensing cylinder portion of the spout body. Has an outer sleeve and
The spout body is supported by the mounting portion, the dispensing cylinder portion, and a support piece portion protruding from the dispensing cylinder portion, and is formed at a position separated from the dispensing cylinder portion toward the tip end side thereof. A sealing protrusion that seals the inside of the tip of the outer sleeve by fitting the joint portion inside the tip of the outer sleeve, and a sealing protrusion that includes the inside of the dispensing cylinder and penetrates the mounting portion. It has a content flow path formed including an injection port secured between the fitting portion of the sealing protrusion and the tip of the injection cylinder portion.
The outer sleeve has a tubular sleeve body that is extrapolated to the spout body and the fitting portion of the sealing protrusion is detachably fitted to the tip portion, and the outer sleeve projects to the outer periphery of the base end portion of the sleeve body. The stopper protrusion is formed and has a stopper protrusion that regulates the displacement of the sleeve body with respect to the container mouth by contacting the tip of the container mouth with the sleeve body inserted. A spout for dispensing that is formed in a tapered shape in which the protrusion dimension from the sleeve body increases toward the base end side of the sleeve body. When the air passage outlet groove formed by recessing the stopper protrusion from the side surface and the inlet / outlet flow path inside the container mouth portion in which the stopper protrusion is brought into contact with the tip are communicated with each other, the container mouth The first aspect of claim 1, wherein a clearance between the inner peripheral surface of the neck portion and the outer peripheral surface of the portion of the outer sleeve inserted into the container mouth portion and the ventilation passage formed by the ventilation passage outlet groove are secured. Pout spout. The pouring spout according to claim 1 and a portion of the mounting portion of the spout body that is located around a base end opposite to the tip of the pouring cylinder portion or projecting to a side surface of the pouring cylinder portion. The pouring cylinder portion of the outer sleeve provided in a stopper arrangement area secured between the stopper receiving portion which is a protrusion and the outer sleeve whose tip is fitted to the fitting portion of the spout body. Has a stopper member that regulates the movement of the
The stopper member is a spout for dispensing with a stopper member that can be removed from the stopper arrangement region by a pulling force in a direction perpendicular to the axis of the dispensing cylinder portion. It has a spout for dispensing with a stopper member according to claim 3, and an overcap that accommodates the outer sleeve and is detachably attached to the spout for dispensing.
The overcap has a cylinder wall portion capable of accommodating the outer sleeve and a tip wall portion that closes the tip end side of the cylinder wall portion, and has a base end opposite to the tip wall portion of the cylinder wall portion. The intervention can be accommodated from the opening, which is a portion provided in the stopper arrangement region of the outer sleeve of the ejection spout and the stopper member, and the intervention is provided by the cylinder wall portion accommodating the inclusion. A spout for pouring with a cap that can maintain the state in which the piece is placed in the stopper placement area. The stopper member is arranged in a protruding state from the interposition piece and the interposition piece formed so as to protrude from the interposition piece and arranged in the stopper arrangement region of the ejection spout to the side of the stopper arrangement region. With a handle piece to be
The claim that a handle piece insertion slit into which at least a part of the handle piece of the stopper member is inserted is formed in the cylinder wall portion of the overcap extending from the base end to the tip end of the cylinder wall portion. Dispensing spout with cap according to 4. The handle piece of the stopper member has a base piece portion protruding from the interposition piece and an overhanging piece portion of the base piece portion protruding from a protruding end opposite to the interposition piece to the side thereof. And
The handle piece insertion slit of the overcap can insert and remove the base piece portion of the handle piece of the stopper member from the base end side of the cylinder wall portion, and the base piece portion of the handle piece is the overcap. When the handle piece is inserted into the handle piece insertion slit, a part of the side wall portion is provided in the clearance between the root portion of the interposition piece protruding laterally from the base piece portion and the overhanging piece portion. The spout for dispensing with a cap according to claim 5, which is inserted. The spout for pouring with a cap according to claim 5 or 6, wherein the stopper member has a pair of intervening pieces extending from the handle piece to detachably hold the pouring cylinder portion of the spout body.

Images