JP2003191998A - Liquid drip-proof, liquid spouting cap - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a liquid content spouting cap capable of excellently preventing any liquid drip. <P>SOLUTION: This liquid content spouting cap is fitted to a nozzle of a vessel and inclined in the plane including the axis to spout a liquid content through a spouting hole. The liquid content spouting cap includes an upper lid inner ring 26 in which a cap body having a spouting cylinder to constitute a liquid passage 15 and fitted to a nozzle part 3 of the vessel is connected to an upper lid to open/close an upper end part of the cap body via a hinge 8, the upper lid is extended from a top plate 14, and attached/detached to/from the upper end of the spouting cylinder of the cap body to open/close the upper end of the spouting cylinder, and a liquid sump tongue piece 27 which is expanded in a visor-like manner in at least a part of the angular range of the circumference of a tip part of the upper lid inner ring 26. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid pouring cap used when pouring a liquid content from a bottle, and more particularly to a liquid pouring cap capable of preventing dripping.

[0002]

2. Description of the Related Art In a liquid pouring cap attached to a nozzle portion of a bottle, a highly viscous liquid content such as oil, sauce or ketchup is poured out by tilting the bottle, and after the pouring is finished, the bottle is tilted. It is well known that the contents may drip at the spout and stain the side surface of the cap body or the bottle when it is returned to the original state. The cause of this dripping is
In the conventional container cap, when the container is turned upside down or shaken with the upper lid closed after the pouring hole is opened, as shown in FIG. The content adheres to the inner surface of the cap upper lid 5a as the adhering liquid 10a, and when the upper lid is opened, it continues to adhere to the inner surface of the upper lid as it is as shown in FIG. When the container is tilted in this state and the in-liquid solution is poured out, the adhered liquid that has adhered to the inner surface of the upper lid travels along the inner surface of the upper lid and through the hinge part, etc. Fall,
The area around the container nozzle portion 3 is soiled, giving a feeling of uncleanness. For this reason, various improvements have been made in the structure of the container cap.

Conventionally, a bottle 2 for filling liquid contents
In the above, the cap 1a is fitted to the bottle nozzle portion 3 to open and close the opening of the bottle nozzle portion 3 and guide the pouring liquid. This cap 1a is usually composed of two members, namely, a cap body 4a that is fitted in the bottle nozzle portion to guide the pouring flow of the liquid content, and a cap body that engages with and disengages from the cap body 4a. It is composed of two members such as an upper lid 5a for opening and closing. The portion of the cap body 4a that guides the pouring flow is composed of a pouring tube 12a and a pouring end portion 23a formed at the upper end thereof. On the other hand, in the upper lid 5a, a short cylindrical inner ring 26a has a top plate 25.
It extends vertically downward from the inner ring 26
The lower end of "a" is fitted into and removed from the upper lid of the cap body 4a according to the opening and closing of the upper lid 5a to seal and open the upper end of the dispensing tube 12a. However, the function of preventing liquid dripping is not always sufficient with the cap 1a having such a configuration.

Under these circumstances, there has been a demand for the development of a cap for pouring out liquid contents which can prevent dripping well.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a pouring cap for a liquid content which can prevent dripping well.

[0006]

For this purpose, a liquid pouring cap according to the present invention is attached to a nozzle of a container and tilts in a plane including a center line to pour out a liquid content through a pouring hole. Wherein the liquid pouring cap includes a cap body having a pouring cylinder forming a liquid passage and fitted in a nozzle portion of a container, and an upper lid for opening and closing an upper end portion of the cap body. Is an upper lid inner ring that extends from the top plate and that fits into and disengages from the upper end of the spout barrel of the cap body to open and close the upper end of the spout barrel, and at least a part of the circumference of the tip portion of the inner ring. It is characterized in that it has a liquid storage tongue protruding in an eaves shape in the angular range.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the present invention will be described below with reference to the drawings showing one embodiment. 1 to 3, reference numeral 1 denotes a spout cap, which is fitted into the nozzle portion 3 of the bottle 2 filled with the liquid content and has a function of pouring out the liquid content and opening / closing the nozzle portion 3. Is. The spout cap 1 is composed of a cap body 4 and an upper lid 5.

The cap body 4 is used by being fitted into the nozzle portion 3, and the upper lid 5 is fitted into and removed from the upper end portion of the cap body 4 to open and close the cap body 4. In this embodiment, the cap body 4 and the upper lid 5 are connected by a hinge 8 at a connecting side 7 opposite to the tilt side 6 on the side where the bottle is tilted when pouring out the liquid content portion. Therefore,
In this embodiment, the spout cap 1 constitutes a hinge cap, but the present invention is also applicable to a spout cap having the cap body 4 and the upper lid 5, but having no hinge 8.

The cap body 4 is provided with an outer ring 11 and a spout cylinder 12 concentrically, and is attached to the nozzle part 3 with the upper end of the nozzle part of the bottle 2 inserted between them.
Undercut 13 and outer ring 11 of nozzle part 3
And the cap body 4 is fixed to the nozzle portion 3. The spout cylinder 12 is a member that forms a liquid passage 15 that communicates the inside and outside of the bottle 2, and the inner surface thereof forms a liquid guide surface 16.

At the position where the communication between the inside of the bottle 2 and the liquid passage 15 is cut off, a membrane-shaped partition wall 1 that crosses the liquid passage 15 is formed.
7 is formed, and the partition wall 17 is a member formed by punching out a pouring hole 18, and a score 21 is formed along the contour of the pouring hole 18 formed by punching. A pull ring 22 is attached to the inner portion.

A pouring end portion 23 is formed on the upper end of the pouring tube 12. The pouring guide surface 24 of the pouring end portion 23 is curled outward, and the cross-sectional shape in the XY plane is a circular arc convex in the Y direction.

As shown in FIG. 3, the shape of the pouring hole 18 is X.
Direction has vertical axis 32, Z direction has horizontal axis 31 and vertical axis 3
The width D in the Z direction of the pouring hole 18 is the maximum (Dmax) in the vicinity of the inclined side 6 closer than the central portion 33 of 2.

As described above, the hinge 8 is attached to the cap body 4.
The upper lid 5 is connected with and has the top plate 25 of the upper lid 5.
There are a type in which the upper lid inner ring 26 extends from the top plate 25 and a type in which the upper lid inner ring 26 is not provided. In the case of the type of the upper lid 5 in which the upper lid inner ring 26 extends, when the upper lid 5 closes the cap body 4, the portion near the end portion 28 of the upper lid inner ring 26 becomes the upper end portion 29 of the spout barrel 12 of the cap body 4. Mates to form a liquid tight seal. From the tip of the upper lid inner ring 26, a thin liquid reservoir tongue piece 27 projects like an eaves.
The upper lid inner ring 26 extends from the top plate 25 in the shape of a short cylinder, whereas the liquid reservoir tongue 27 has a partial angle range near the hinge 8 in the 360 ° angle range of the top end of the top plate 25. The range of θ, preferably about 180 ° (θ = about 18
0 °).

The overhanging width W of the liquid reservoir tongue 27 is the same within the angular range θ or is larger toward the hinge 8. Therefore, in this case, the width of the tip portion near the tilt side 6 is the smallest in the angle range θ. Further, the overhang angle Θ is 0, that is, the liquid storage tongue 27 may be parallel to the top plate 25, but the overhang angle Θ is preferably 10 ° to 7 °.
It is 0 °.

On the other hand, the cap body 4 is provided with a liquid reservoir tongue receiver 34. A state in which the upper surface of the liquid reservoir tongue receiver 34 has a receiving surface 5 which is an inclined surface having substantially the same angle as the protruding angle Θ of the liquid reservoir tongue 27, and the upper lid 5 is fitted to the cap body 4 to close the cap body 4. In the above, the liquid reservoir tongue receiver 34 is structured to support the liquid reservoir tongue 27 from below.

The action of the thus-constructed pouring cap 1 at the time of pouring out the content liquid is as follows. First, in FIG. 2, when the pull ring 22 is pulled up and the partition wall 17 is torn and removed by the score 21, the pouring hole 18 (see FIG. 3) is opened, and the liquid passage 15 of the cap body 4 and the inside of the bottle 2 communicate with each other. . When the bottle 2 is tilted from this state so that the side 6 is downward, the liquid content 9 (see FIG. 7) passes from the inside of the bottle 2 through the pouring hole 18 and the pouring cylinder 1
The flow passes through the second liquid guide surface 16 and is guided by the pouring guide surface 24 to be poured out to the outside. After the required amount of liquid has been poured out, the bottle 2 is returned to its original upright state, and the upper lid 5
Close.

After the pouring hole 18 is opened, when the bottle 2 is turned upside down or the bottle 2 is shaken as shown in FIG. 4 with the upper lid 5 closed, the liquid content discharged from the pouring hole 18 9 becomes the adhering liquid 10 and the content liquid 10 adheres to the upper lid 5, and the state continues as shown in FIG. Although adhered, the adhered liquid 10 is stored and held in the liquid storage tongue piece 27. Further, even when the upper lid 5 is opened and the bottle 2 is tilted at the time of pouring, as shown in FIG.
It is stored in 7 and held, and does not hang down on the hinge 8. Even if the upper lid 5 closes the cap body 4 as shown in FIG. 5 and this state continues for a long time, the liquid reservoir tongue piece 27 is supported by the liquid reservoir tongue receiver 34 from below, so that the weight of Alternatively, the weight of the adhering liquid 10 is not deformed to cause dripping.

In the embodiment described above, only one kind of liquid collecting tongue piece 27 is provided, but in addition to this, in addition to the liquid collecting tongue piece 27, as shown in FIGS. 8 and 9. In addition, the other liquid reservoir tongues 27b, 27c ... Are attached to the top plate 2 of the upper lid 5.
It may be formed by projecting from the back surface of 5 in an eaves-like shape. Also,
In the case of the type of the upper lid which does not have the inner ring for the upper lid, all the liquid collecting tongue pieces are projected from the back surface of the top plate 25 of the upper lid 5.

[0019]

As is apparent from the above description, in the liquid pouring cap of the present invention, when the adhered liquid adheres to the inner surface of the upper cover, the adhered liquid is stored in the upper cover liquid storage tongue piece 13.
Therefore, it is easy to take out the liquid contents 9, and the cap is not polluted,
Can be used. Moreover, the liquid reservoir tongue piece 27 is thin, is not formed around the circular line at the lower end of the upper lid inner ring 26, but is formed only on a part thereof, and if the overhang angle is 5 to 60 ° upward, It is easy to remove from the mold, maintains the same formability and productivity as before, and is efficient.

[0020]

[Brief description of drawings]

FIG. 1 is a vertical sectional view showing the structure of a cap according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of the cap with the top lid open.

FIG. 3 is a plan view of a pouring hole.

FIG. 4 is a vertical cross-sectional view showing a state of the cap when the bottle is turned upside down.

FIG. 5 is a vertical cross-sectional view showing the content liquid attached to the upper lid when the bottle is upright.

FIG. 6 is a vertical cross-sectional view showing the content liquid attached to the upper lid when the upper lid is opened.

FIG. 7 is a vertical cross-sectional view showing the content liquid attached to the opened upper lid when the bottle is tilted.

FIG. 8 is a cross-sectional view of a cap of another embodiment with an upper lid opened.

FIG. 9 is a plan view of a pouring hole of a cap of another embodiment.

FIG. 10 is a vertical cross-sectional view showing a state in which an upper lid of a conventional cap is closed.

FIG. 11 is a vertical cross-sectional view showing a state in which an upper lid of a conventional cap is opened.

FIG. 12 is a vertical cross-sectional view showing a state in which a conventional cap is tilted.

[Explanation of symbols]

1 Spout cap 1a Dispensing cap 2 bottles 3 Nozzle part 4 cap body 4a cap body 5 Top lid 5a Top lid 6 tilt side 7 connection side 8 hinges 9 Liquid contents 10 Adhering liquid 11 Outer ring 12 Pour tube 12a pouring barrel 13 undercut 14 undercut 15 Liquid passage 16 Liquid guide surface 17 partitions 18 pouring hole 21 score 22 pull ring 23 Pouring end 24 Pour guide surface 25 Top plate 26 Inner ring on top lid 26a Inner ring on top lid 27 Liquid reservoir bottom piece 28 Edge 29 Upper end 31 Horizontal axis 32 Vertical axis 33 center 34 Receiving surface

Claims (8)

[Claims] 1. A liquid pouring cap that is attached to a nozzle of a container and pours out a liquid content through a pouring hole by inclining in a plane including a center line, wherein the liquid pouring cap has a liquid passage. A cap body fitted with a nozzle part of a container having a constructing barrel, and an upper lid for opening and closing an upper end portion of the cap body by fitting into and leaving the cap body, and a top plate portion of the upper lid. A liquid dripping prevention liquid pouring cap, characterized in that it has one or a plurality of liquid storage tongues which are projected like an eaves in an angle range θ on the inner surface side of the liquid. 2. The liquid drop prevention liquid pouring cap according to claim 1, wherein the cap body and the upper lid are connected via a hinge. 3. The upper lid has an upper lid inner ring that extends from a top plate and seals an upper end of the pouring tube of the cap body, and the liquid collecting tongue piece is formed around one end of the inner ring. The liquid drooling prevention liquid pouring cap according to claim 1 or 2, wherein at least a part of the cap protrudes like an eaves. 4. The liquid dripping according to claim 3, wherein one or more other liquid storage tongue pieces projecting from the top plate in an eaves-like shape are provided inside the upper lid inner ring. Prevent liquid pouring cap. 5. The liquid reservoir tongue piece is provided in an angular range θ of 180 ° or less near the hinge in one round of the tip portion of the inner ring.
Liquid pouring prevention cap described. 6. The overhanging width W of the liquid storage tongue piece is constant in the angular range θ.
Liquid pouring prevention cap described. 7. The liquid drooling prevention liquid pouring cap according to claim 2, wherein the overhanging width W of the liquid storage tongue is larger toward the hinge in the angular range θ. 8. The anti-dripping liquid pouring cap according to claim 1, wherein an overhanging angle Θ of the liquid retaining tongue with respect to the top plate is 10 ° to 70 °.