JP2001206421A - Synthetic resin plug for pouring out contents - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a plug for pouring out contents such as a liquid or a powder wherein the plug can be simply pulled out of a neck of a container. SOLUTION: The plug for pouring out contents comprising a nozzle 5 standing via an outward flange-like top wall 4 from an upper end of a fitting cylinder 3 is equipped with a cutting line 7 bored along an outer rim of the outward flange-like top wall on an inner peripheral part of the top wall except a rear part of the top wall 4. A coupling 8 provided on a part of the line is torn off to cause a ring 4a formed by a part of the outward flange-like top wall outside the line 7 to stand. In addition, the ring is pulled up, whereby the fitting cylinder 3 can be simply pulled out of the inside of the neck of the container.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container spout made of synthetic resin to be attached to the mouth and neck of a container for accommodating liquids, powders and the like.

[0002]

2. Description of the Related Art As an injection plug of this type, an outward flange-shaped top wall mounted on an upper end surface of a container body neck and neck protrudes from an upper end of a fitting cylinder fitted to the container body neck and neck. It is well known that the nozzle is provided upright from the inner peripheral portion of the top wall.

[0003]

In recent years, resource reuse,
From the viewpoint of waste reduction and the like, it is required to separate and dispose of waste materials for each material such as synthetic resin materials and metal materials. For example, the container body is made of glass and attached to the mouth and neck of the container body. When the spout is made of a synthetic resin, or when the container and the spout are made of different kinds of synthetic resin, it is desired that the spout be removed from the mouth and neck of the container and discarded. .

However, the conventional spout cannot be easily removed because it is firmly fitted to the mouth and neck of the container body and has little clue to pulling out.

According to the present invention, a flange-like top wall with a nozzle, which is mounted on the upper end surface of the mouth and neck of the container, protrudes from the upper end of the fitting tube fitted to the inner or outer surface of the mouth and neck of the container. Set up
A break line is formed along the outer edge of the top wall except for a part of the flange-like top wall, and the top wall portion outside the break line is a ring-shaped finger hook for plug-out. Thus, the spout was provided so that the tap could be easily removed.

[0006]

As a first means, an outward flange-like top is placed on the upper end surface of the mouth and neck from the upper end of the fitting tube 3 fitted to the inner surface of the mouth and neck of the container body. In a stored-product pouring plug in which the wall 4 is protruded and the nozzle 5 is erected from the inner peripheral portion of the outward flange-like top wall, an outward flange-like top excluding the rear portion of the outward flange-like top wall 4 is provided. A break line was formed on the inner peripheral portion of the wall along the outer edge of the outward flanged top wall.

As a second means, the upright height of the nozzle 5 is determined from an imaginary line connecting the base of the ring-shaped plug pulling-out portion 4a formed by the outwardly facing flange-shaped top wall portion outside the breaking line. It was smaller than the distance to the front inner surface of the part.

As a third means, a protruding finger hook 6 is provided on the upper front half of the outer peripheral surface of the outward flange-shaped top wall 4.

As a fourth means, an inward flange-like top wall 23 to be placed on the upper end surface of the mouth and neck is projected from the inner upper surface of the fitting tube 22 to be fitted to the outer surface of the mouth and neck of the container body. And, in the stored goods ejection plug in which the nozzle 24 is erected from the inner periphery of the inward flange-like top wall, the outer cylinder portion 26 is shortened from the outer surface of the upper end of the fitting cylinder 22 via the outward flange 25. While hanging down, a break line was formed on the inner peripheral portion of the outward flange except for the rear portion of the outward flange 25 along the outer edge of the outward flange.

As a fifth means, the upright height of the nozzle 24 is determined by a short tubular portion for pulling out a plug formed by an outward flange portion outside the break line and an outer cylinder portion below the outward flange portion. The distance from the imaginary line connecting the base of 26a to the front inner surface of the short cylindrical portion was made smaller.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION First Embodiment (FIGS. 1 to 4) 1 is a spout of the first embodiment, and the spout fits into an upper inner surface of a container body neck portion 2. And has an engaging projection 3a provided on the outer surface of the lower part of the fitting cylinder so that the upper surface of the engaging projection 3a can be passed over a downward step 2a provided on the upper inner surface of the mouth and neck of the container body. And an outward flange-like top wall 4 mounted on the upper end surface of the mouth and neck of the container body is projected from the upper end of the fitting tube 3,
A nozzle 5 having an upright height as described later is erected from the inner peripheral portion of the outward flange-shaped top wall, and a projection is provided around the upper half of the outer peripheral surface of the outward flange-shaped top wall 4. The front part of the projection is a finger hook 6. Also, on the inner peripheral portion of the outward flange-shaped top wall except for the rear portion of the outward flange-like top wall 4,
As shown in FIG. 2, a plurality of easily breakable connectors 8 are formed along the outer edge of the outwardly facing flange-shaped top wall 4 by forming a separation line 7 and connecting the outwardly flanged top wall portions inside and outside the separation line. In addition to forming a break line by providing the same, the outward flange-shaped top wall portion outside the separation line 7 is used as a plug-shaped ring-shaped portion 4a, and the rising height of the nozzle 5 is set at the base of the ring-shaped portion 4a. Is smaller than the distance from the imaginary line connecting to the front inner surface of the ring-shaped portion.

A cap 10 shown in FIG. 4 is preferably fitted to the spout of this embodiment, and the cap connects the lower inner surface of the outer peripheral wall 12 hanging down from the peripheral edge of the top wall 11 to the mouth and neck of the container body. A seal tube 13 hanging from the center of the top wall 11 is fitted to the inner surface of the upper part of the nozzle 5 in a watertight manner, and a top wall portion between the upper end of the seal tube 13 and the upper end of the outer peripheral wall 12. The inner surface of the lower part of the intermediate peripheral wall 14 hanging from the nozzle 5 is fitted to the lower end of the nozzle 5.

When discarding the container body with the spout of this embodiment, the fingertip is hung on the lower surface of the finger hook portion 6 and the front portion of the ring-shaped portion 4a is pushed up to break the connector 8. At the same time, by rotating the ring-shaped portion 4a upward and backward about an imaginary line connecting the base of the separation line 7, the ring-shaped portion 4a is raised up to the rear of the nozzle 5 as shown in FIG. The part is pulled up and the fitting tube 3 is pulled out from the inside of the mouth and neck of the container body, and the container body and the spout are separated and discarded.

Second Embodiment (FIGS. 5 to 8) Reference numeral 20 denotes a spout of the second embodiment, which is fitted to the upper outer surface of the neck 21 of the container body. It has a cylinder 22 and engages the upper surface of the engagement ridge 22a provided on the lower inner surface of the fitting cylinder with the lower surface of the small protrusion 21a provided on the upper outer surface of the neck portion of the container body so as to be able to cross over the lower surface, and An inward flange-like top wall placed on the upper end surface of the mouth and neck of the container body from the upper end inner surface of the fitting tube 22
23, a nozzle 24 having an upright height as described later is erected from the inner peripheral portion of the inward flange-like top wall, and a cylindrical plug 24a hanging down from the lower end of the nozzle is attached to the container body, neck and neck. It is fitted watertight to the upper inner surface of the part. Further, from the upper end outer surface of the fitting cylinder 22, the outer cylinder portion 26 is drooped short via a narrow outward flange 25, and to the inner peripheral portion of the outward flange except for the rear portion of the outward flange 25, A cutting line 27 is formed along the outer edge of the outward flange 25 as shown in FIG. 6, and the outward flange portion outside the cutting line and the inward flange top wall portion inside the cutting line are mutually connected. A break line is formed by providing a plurality of easily breakable connectors 28 to be connected, and an outward flange portion outside the disconnection line 27 and an outer cylinder portion below the outward flange portion are formed into a short cylindrical shape for pulling out a plug. The upright height of the nozzle 24 is made smaller than the distance from an imaginary line connecting the base of the short tubular portion 26a to the front inner surface of the short tubular portion.

It is preferable to fit a cap 30 shown in FIG. 8 to the spout of this embodiment, and the cap hangs the outer peripheral wall 32, the intermediate peripheral wall 33 and the seal cylinder 34 from the lower surface of the top wall 31. The inner surface of the intermediate portion of the outer peripheral wall 32 is
The outer surface and the outer surface of the seal cylinder 34 are fitted to the upper inner surface of the nozzle 24, respectively.

When discarding the container body with the spout of this embodiment, the front part of the short tubular portion 26a is pushed up to break the connector 28 and to connect the base of the separation line 27. By rotating the short tubular portion 26a upward and backward about the line, the short tubular portion 26a stands upright behind the nozzle 24 as shown in FIG.
Next, the short tubular portion 26a is pulled up, the fitting tube 22 is pulled out from the inside of the mouth and neck of the container, and the container and the spout are discarded separately.

The spout of the present invention is formed of a synthetic resin material and is attached to the mouth and neck of a container formed of a material other than the synthetic resin material such as glass.

[0018]

According to the present invention, since the flange-shaped top wall portion outwardly of the breaking line is formed, the front portion of the ring-shaped portion 4a is pushed up to break the breaking line. ,
And a ring-shaped portion 4a centered on an imaginary line connecting the bases of the breaking lines
The ring-shaped part can be easily erected by rotating the ring upward and backward, and by pulling up the ring-shaped part 4a from this state, the fitting of the spout from inside the mouth and neck of the container body can be performed. Cylinder 3
Can be easily pulled out, so that the spout of the present invention can be easily separated and discarded.

Further, the ring-shaped portion 4a formed by the outward flange-shaped top wall portion outside the breaking line can be raised up to the rear of the nozzle 5 as shown in FIG. Therefore, the nozzle does not become an obstacle when pulling up the ring-shaped portion 4a, and the fitting tube 3 can be more easily pulled out.

Furthermore, with the configuration according to the third aspect, it is possible to easily push up the front portion of the ring-shaped portion 4a by hooking a fingertip on the lower surface of the finger hook portion 6.

Furthermore, the front portion of the short cylindrical portion 26a formed by the outward flange portion outside the breaking line and the outer cylindrical portion below the outward flange portion is pushed up. The short tubular portion 26a is pivoted upward and rearward about an imaginary line connecting the base of the broken line, and the short tubular portion can be easily erected. By pulling up the short cylindrical portion 26a from the state, the fitting tube 22 can be easily pulled out from the outer surface of the mouth and neck of the container body, so that the spout of the present invention can be easily separated and discarded. it can. Further, in the present invention, since the outer cylindrical portion 26 is shortly suspended from the outer surface of the upper end of the fitting cylinder 22 via the outward flange 25, the front lower end of the outer cylindrical portion, that is, the front lower end of the short cylindrical portion 26a is formed. , And the front part of the short cylindrical portion can be easily pushed up.

Further, according to the fifth aspect of the present invention,
As shown in FIG. 7, the short tubular portion 26a can be raised up to the rear of the nozzle 24, so that the nozzle does not become an obstacle when pulling up the short tubular portion 26a, and the fitting tube 22 can be more easily moved. Can be pulled out.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a first embodiment of the container of the present invention.

FIG. 2 is a plan view of the embodiment.

FIG. 3 is a longitudinal sectional view showing the same embodiment in a state where a ring-shaped portion is erected.

FIG. 4 is a longitudinal sectional view showing the same embodiment with a cap closed.

FIG. 5 is a longitudinal sectional view showing a second embodiment of the container of the present invention.

FIG. 6 is a plan view of the same embodiment.

FIG. 7 is a longitudinal sectional view showing the same embodiment in a state where a short cylindrical portion is erected.

FIG. 8 is a longitudinal sectional view showing the same embodiment with the cap closed.

[Explanation of symbols]

 4a: Ring-shaped part for plug removal 7: Separation line 26a: Short cylindrical part for plug removal 27: Separation line

Claims (5)

[Claims] 1. A fitting cylinder 3 fitted to the inner surface of the mouth and neck of a container body.
An outwardly projecting flange-shaped top wall 4 to be placed on the upper end surface of the mouth and neck portion is protruded from the upper end of the mouthpiece, and a storage object pouring a nozzle 5 from the inner peripheral portion of the outwardly flanged top wall. In the tapping, a break line is formed along the outer edge of the outward flange-shaped top wall at the inner peripheral portion of the outward flange-like top wall except for the rear part of the outward flange-like top wall 4. Storage spout. 2. The upright height of the nozzle 5 is determined from an imaginary line connecting the base of the plug-pulling ring-shaped portion 4a formed by the outwardly-facing flange-shaped top wall portion outside the breaking line, and the front inner surface of the ring-shaped portion. 2. The stored-product tapping plug according to claim 1, wherein the distance is smaller than the distance to the storage container. 3. A synthetic resin article according to claim 1, wherein a protruding finger hook is provided on an upper front half of an outer peripheral surface of the outward flange-shaped top wall. Get off. 4. A fitting cylinder 22 fitted on the outer surface of the mouth and neck of the container body.
An inward flange-like top wall 23 to be placed on the upper end surface of the mouth and neck portion protrudes from the upper end inner surface of the mouthpiece, and a nozzle 24 stands upright from the inner periphery of the inward flange-like top wall. In the spout, the outer cylinder portion 26 is drooped from the outer surface of the upper end of the fitting cylinder 22 via the outward flange 25 for a short time.
A storage resin spout made of synthetic resin, wherein a break line is formed along an outer edge of the outward flange at an inner peripheral portion of the outward flange except for a rear portion. 5. The upright height of the nozzle 24 is determined by adjusting the base of the short tubular portion 26a for plug removal, which is formed by the outward flange portion outside the break line and the outer cylinder portion below the outward flange portion. 5. The synthetic resin spout according to claim 4, wherein the distance from the connecting virtual line to the front inner surface of the short cylindrical portion is smaller than the distance.