JPH0699973A - Pouring outlet for carton - Google Patents

Abstract

PURPOSE:To provide a pouring outlet for carton which is simple to open and capable of resealing. CONSTITUTION:A sealing member 24 is formed integral with a pouring outlet body 2 through a thin part 23, a protrusion 25 to be inserted into a hole 32 in a cap 3 is provided in the sealing member 24, a foldable pull-ring 27 is provided at an upper part of the protrusion 25, and a projection 29 having a diameter larger than an opening diameter of the hole 32 of the cap 3 is provided on a side of the protrusion 25. If the sealing member 24 is broken at the thin part 23 by standing and pulling the pull-ring 27 which is above the hole 32 of the cap 3, and the pull-ring 27 is further pulled up to make the projection 29 of the protrusion 25 engage with an upper edge of the hole 32 of the cap 3, an opening can be achieved. After opening, as the sealing member 24 is in a closing position of the hole 32 of the cap 3, resealing can be achieved in a prior art way.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a carton spout used by being attached to a carton for filling and sealing a liquid such as a beverage.

[0002]

2. Description of the Related Art Heretofore, as this type of spout, there has been known one in which a sealing member having a thin portion is provided inside a spout main body and a pull ring is provided on the sealing member (for example, the actual opening). 53-63331).

[0003]

The conventional spout described above has an advantage that the pull ring can be opened by pulling the pull ring, and further, after the content liquid has been spouted, the pull ring can be closed with a cap. There is a problem that the opening operation is not easy because it is inside the outlet body and its diameter is small, so that it is difficult to put in a finger and it is difficult to open it.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a carton spout that can be easily opened and resealed. .

[0005]

In order to achieve the above object, a pouring spout for a carton according to the present invention comprises a spout main body having a lower periphery with a flange for attaching to a hole provided in the carton, and the pouring spout main body. It consists of a cap to be capped on the outlet body, and the cap has a hole on its top surface.
A sealing member is integrally formed on the spout body through a thin portion, and the sealing member is provided with a convex portion that fits into the hole of the cap, and a foldable pull ring is provided above the convex portion. And a projection larger than the opening diameter of the hole of the cap is provided on the side surface of the convex portion.

[0006]

The above-mentioned carton spout of the present invention is used by being attached to any liquid carton, and when pouring out the content liquid filled and sealed in the carton, it is necessary to pull the ring with a finger. By pulling upward, the sealing member is separated by the thin-walled part, the convex portion is raised along the hole of the cap, and the sealing member is capped while the protrusion on the side surface of the convex portion is locked to the upper edge of the hole of the cap. Then, the cap is detached from the spout body so that it can be poured out. When the pouring is completed, the cap is put on the spout body and the lid is closed.

[0007]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing a state where the spout according to the present invention is attached to a carton, FIG. 2 is a half sectional view showing the spout in an unopened state, and FIG. 3 is a half cross section showing the spout in an opened state. It is a figure.

As shown in the drawings, the spout 1 is composed of two members, a spout body 2 and a cap 3 which are produced by injection molding a synthetic resin such as polyethylene.

As shown in FIG. 2, the spout main body 2 has a flange 21 for attaching to a hole provided in the carton C.
And a sealing member 24 integrally formed on the inner wall of the tubular portion 22 via a thin portion 23. Further, the sealing member 24 is provided with an upward convex portion 25, and a foldable pull ring 27 is provided above the convex portion 25 via a thin-walled hinge portion 26, and the pull ring 27 is folded. In this state, the hook portion 28 is locked. Also, the convex portion 2
A protrusion 29 having a downward taper is formed in the middle of the side surface of No. 5.
And a male screw 22a for screwing with the cap 3 is formed on the outer periphery of the tubular portion 22.

On the other hand, the cap 3 has a female screw 31a to be engaged with the male screw 22a of the cylindrical portion 22 of the spout body 2 on the inner surface of the side wall 31 and a hole 32 on the top surface. The opening diameter of the hole 32 is the same as the sealing member 2
The convex portion 25 of No. 4 can be slidably fitted, and the projection 29 is set to a size for catching. An annular member 33 extending downward from the backside of the top surface is provided between the side wall 31 and the hole 32 in the top surface.
Comes into contact with the upper end of the tubular portion 22 of the spout body 2 when the cap 3 is screwed into the spout body 2,
The top surface of the cylindrical portion 22 is located above the cylindrical portion 22, and the projection 2 of the cylindrical portion 22 is
9 is located below the top surface. Instead of providing the annular member 33, the diameter of the upper portion of the side wall 31 of the cap 3 may be reduced to the annular member 33 so as to perform the same function, or the tubular portion 22 of the spout main body 2 may be used. May be extended upward.

With the spout body 2 and the cap 3 described above, the pull ring 27 is kept upright.
2 so as to come out from the inside of the cap 3 through the hole 32 so as to be integrated with each other, and then the pull ring 27 is folded at the hinge portion 26 and locked to the hook-shaped portion 28. The carton C is attached to the spout attachment hole in this state.

When the content liquid is poured out from the carton C, first, the pull ring 27 is raised by a finger and pulled upward to separate the sealing member 24 with the thin portion 23 and the convex portion 25 with the hole of the cap 3. Raise along 32. By pulling the pull ring 27 in this way,
The projection 29 on the side surface of the convex portion 25 of the sealing member 24 slightly pushes the hole 32 of the cap 3 to pass therethrough.
As shown in FIG. 3, the sealing member 24 is held by the cap 3 with the lower side of the protrusion 29 being locked to the upper edge of the hole 32, and the spout 1 is in the opened state. In this opened state, the cap 3 is rotated and removed from the spout main body 2, and the carton C is tilted to pour out the content liquid. After opening, pull ring 27
It's better not to fold it.

After the content liquid is poured out, the cap 3 can be closed by screwing the cap 3 into the spout main body 2.
In this case, since the sealing member 24 is integrated with the cap 3 in the state where the hole 32 of the cap 3 is closed, the content liquid does not spill even if the carton C collapses in the closed state.

[0015]

As described above, the carton pouring spout according to the present invention causes the folding pull ring located upward from the hole of the cap to pull the sealing member at the thin-walled portion and pull it as it is. Since the protrusion of the convex portion of the sealing member can be easily opened by locking it on the upper edge of the hole of the cap, and since the sealing member is in a state of closing the hole of the cap after opening, It can be resealed in the same manner as the cap.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state in which a spout according to the present invention is attached to a carton.

FIG. 2 is a half sectional view showing a spout according to the present invention in an unopened state.

FIG. 3 is a half sectional view showing the same in an opened state.

[Explanation of symbols]

 1 Carton spout 2 Spout main body 21 Flange 23 Thin part 24 Sealing member 25 Convex part 27 Pull ring 29 Protrusion 3 Cap 32 hole

Claims (1)

[Claims] 1. A spout including a spout body having a flange for attaching to a hole provided in a carton around a lower portion thereof, and a cap to be capped on the spout body, the cap being provided with a hole on a top surface thereof. The spout body is integrally formed with a sealing member through a thin portion, the sealing member is provided with a convex portion that fits into the hole of the cap, and an upper portion of the convex portion is provided. A carton spout, characterized in that a folding pull ring is provided, and a projection larger than the opening diameter of the hole of the cap is provided on the side surface of the convex portion.