JPS6340460Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to a pouring tube used in a container in which a thin synthetic resin container is housed and assembled inside a box made of cardboard or the like. The purpose of this is to make it possible to make the structure of the container the same as that of a general bottle.

Recently, containers for storing liquids such as Japanese sake have come into use in which a synthetic resin bottle is housed in a box made of cardboard or the like, with the mouthpiece of the bottle protruding from the top of the box. It's getting old.

In this container, the spout of the bottle is assembled and fixed to the top plate of the box, and the liquid inside the bottle can be directly poured out by grasping the box.

By the way, this type of container has become widely used because it is easy to mold, inexpensive, and lightweight.
In addition, this is because it has excellent content resistance.As a bottle that satisfies these requirements, for example, a bottle fully biaxially stretched and blown with polyethylene terephthalate resin is used. Since it is biaxially stretch blow molded, the mouthpiece aligns with the axis of the bottle,
Since it has to stand upright on the top of the bottle, when the bottle is housed in the box, the spout protrudes from the center of the top plate of the box, making pouring operations extremely difficult.

Therefore, a slanted wall is provided at the upper end of the box body,
One possible configuration is to have the mouth protrude diagonally upward. A specific method for achieving this is to first provide parallel grooves along approximately the circumferential direction on part of the shoulder of the bottle, and then, after blow molding, push the shoulder part inward and bend it inverted, thereby inclining the mouth. However, this has the disadvantage that molding is time-consuming.

Since the bottle and box are connected at the mouthpiece, the assembly must be solid.

In addition, especially when a large amount of liquid is stored in the bottle and a pouring operation is performed by tilting the container, air must be pumped into the bottle, which causes the so-called breathing phenomenon, causing the liquid to flow out into waves. So,
There were inconveniences such as the directionality was not constant and it would scatter.

The present invention was devised in order to eliminate the above-mentioned drawbacks and inconveniences of the conventional art, and it directs the liquid poured out from the bottle housed inside the box to an inclined wall formed on the top of the box. The liquid outlet of the container is formed in this inclined wall.

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

In the figure, reference numeral 1 denotes a rectangular cylindrical box made of cardboard or the like, and has an inclined wall 2 formed at its upper end, and a through hole 3 bored in the center of the inclined wall 2. As shown in FIG.

Moreover, the bottle 4 housed in the box 1 is made of polyethylene terephthalate resin or the like, and is made of polyethylene terephthalate resin or the like.
It is a thin-walled bottle that has been axially stretched and blow-molded, and a spout 5 with a thread 6 carved on its outer circumferential surface is provided upright at the center of its upper end.

Then, one end is tightly fitted into the mouth pipe 5,
The cylindrical pouring tube 7 whose other end passes through the through hole 3 and protrudes from the inclined wall 2 has a diameter of 45 mm in the illustrated embodiment.
It is bent at the center into a generally doglegged shape at an angle of [°], and inside the partition wall 8 arranged along the length direction, a liquid pouring passage 9 and an air flow passage 10 are formed.
The opening area of the liquid pouring passage 9 is sufficiently larger than the opening area of the air passage 10, and the other end of the pouring cylinder 7 is located lower than the air passage 10.

On the outer circumferential surface of one end of the spouting tube 7, a flange 11 having a width approximately equal to the width of the upper end surface of the spout tube 5 is provided near the center. When it is tightly fitted into the mouth pipe 5, its fitting limit is set.

Further, on the outer peripheral surface of the other end of the spouting tube 7 near the center, a flange 12 is provided around the inner surface of the inclined wall 2, and the flange 12 protrudes from the through hole 3 of the inclined wall 2. An engaging protrusion 13 is provided around the outer circumferential surface of the end portion at a position near the inclined wall 2, and a thread 14 is further carved on the outer circumferential surface of the open end portion of the other end.

With respect to the spouting cylinder 7 having the above-mentioned configuration, 15 is a locking cylinder, which is a short crested body having an inner diameter equal to the outer diameter of the spout 5. 5 is provided with a thread 16 that is threadedly engaged with the thread 6 of the spouting tube 7, and a hole 17 having a diameter equal to the outer diameter of one end of the spouting tube 7 is bored in the top plate. This hole 17 penetrates further toward the center than the flange 11 at the end and is assembled.

Then, with one end of the spout tube 7 tightly fitted into the spout 5 and the flange 11 in contact with the upper end of the spout 5, the locking cylinder 15 is screwed and assembled to the spout 5, and the flange 11 is attached to the spout 5. Crimp the upper end of the cylinder 5 and hold the spout cylinder 7.
This achieves strong attachment to the mouth tube 5.

A locking ring body 18 is attached to the other end of the spouting tube 7 protruding from the inclined wall 2, and a retaining piece 20 is attached to the lower end of the short tube body 19, which has an inner diameter equal to the outer diameter of the other end. , and an engagement groove 21 that firmly engages with the engagement protrusion 13 is provided around the inner peripheral surface of the short cylinder 19, and the other end of the pouring tube 7 has an inclined wall. The flange 12 protrudes from the inclined wall 2
It is assembled to the other end while in contact with the inner surface, and the flange 12 is assembled by engaging with the engagement protrusion 13.
The other end of the pouring cylinder 7 is fixedly assembled to the inclined wall 2 by holding the inclined wall 2 therebetween.

Note that 22 is a cap in the shape of a short cylindrical cap,
It is screwed and assembled to the other open end of the pouring tube 7.

As is clear from the above description, the dispensing tube 7 of the present invention is bent at the center in a substantially dogleg shape, and the inside is divided into a liquid dispensing passage 9 and an air flow passage 10, and one end is tightly fitted into the mouthpiece 5 of the bottle body 4 and firmly assembled by the locking cylinder body 15,
Moreover, liquid tightness is ensured by the abutment of the flange 11 against the upper end of the mouthpiece 5, and furthermore, the other end is connected to the flange 1.
2 and the locking ring body 18, the inclined wall 2 is firmly fixed.
The configuration is fixed to .

Therefore, the pouring tube 7 is shaped to protrude diagonally upward from the box body 1, so the pouring operation is easy, and since the pouring tube 7 and the bottle body 4 are separate bodies, the bottle body 4 is A very simple and regular molded product can be formed by ordinary biaxial stretching blowing, and automatic injection of liquid, cleaning, etc. can be easily performed.

The bottle body 4 and the box body 1 can be firmly assembled via the spout tube 7.

Furthermore, the inside of the spouting cylinder 7 is divided into a liquid spouting passage 9 and an air flow passage 10 located above it, so that when performing a dispensing operation by tilting the container, the inside of the liquid spouting passage 9 is divided. Even when the liquid passes through, air is simultaneously sent into the bottle 4 from the airflow passage 10, so that the so-called breathing phenomenon does not occur.

Therefore, according to the present invention, for a container in which a bottle is housed in a box, the bottle can be formed by normal biaxial stretching blowing, and there is no need to perform any special processing on the bottle. Since there is no liquid, it can be easily mass-produced, and the assembly between the bottle and the box is solid through the dispensing tube, and there is no breathing phenomenon when dispensing liquid, so the dispensing operation can be performed in good direction. It has many excellent functions and effects, such as being simple in structure and easy to mold.

[Brief explanation of the drawing]

The drawing is a sectional view showing an embodiment of the present invention. Explanation of symbols, 1: box body, 2: inclined wall, 4: bottle body, 5: spout, 7: spout pipe, 9: liquid spout passage,
10: Air flow passage, 11: Flange, 12: Flange, 13: Engagement protrusion, 15: Locking cylinder, 18: Locking ring, 22: Cap.

Claims (1)

[Scope of utility model registration request] One end is tightly fitted into the mouthpiece 5 of a thin synthetic resin bottle 4 which has been fully biaxially stretched and blow molded and is housed in a rectangular tube-shaped box 1 having an inclined wall 2 at the upper end. A dispensing tube 7 whose end passes through the inclined wall 2 and is assembled to the inclined wall 2, is bent at a predetermined angle at the center, and the inside is connected to the liquid dispensing passage 9 and air along the length direction. A flange 11 that is held in contact with the upper end surface of the mouth tube 5 by a locking cylinder 15 assembled to the mouth tube 5 is attached to the outer circumferential surface of the one end of the cylindrical body that is partitioned into a flow path 10. A flange portion 12 is provided around the outer circumferential surface of the other end portion to abut on the inner surface of the inclined wall 2, and a flange portion 12 and the flange portion 12 are provided on the outer circumferential surface of the other end portion protruding from the inclined wall 2. A pouring tube provided with an engaging protrusion 13 for assembling a locking ring body 18 that firmly holds the inclined wall 2 between the spouting tubes.