JPH09301459A - Aerosol container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To promote recycling of aerosol containers and to materialize effective use of resources while settling a problem such as environmental pollution arising from disposal of wastes by a method wherein a synthetic resin cover member mounted integrally on a metal container main body is made removable easily. SOLUTION: In an aerosol container for which a synthetic resin cover member 2 is integrally mounted on a metal aerosol container main body 1, a breaking part 10 comprising a vertical thin part 10a or the like is formed beforehand at a circular wall 5 of the cover member 2 fitted to the upper part of the container main body 1 so that the circular wall 5 can be broken at the breaking part 10 on disposal, and thereby the cover member can be removed easily from the container main body.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an aerosol container in which the contents are pushed out by the internal pressure of a filled gas by pushing a nozzle.

[0002]

2. Description of the Related Art Heretofore, an aerosol container of this type has a metal container body for storing contents together with a high-pressure gas for extrusion, and a synthetic resin part such as a cover integrally attached to the container body. It was composed of and.

[0003]

Generally, aerosol containers cannot be refilled with their contents, and therefore, after being used up, they are degassed and then discarded as non-combustible waste. At this time, in the above-mentioned conventional aerosol container, it is difficult to separate the two parts because the synthetic resin parts are integrally fitted to the metal container body, and they are normally discarded as they are. There were many cases.

[0004] However, if the different materials are discarded in a mixed state as described above, it is difficult to reuse them as resources, and in order to recycle them, a great deal of separation work is required after the waste is collected. There was a problem that it required cost and effort.

[0005] Further, there is a problem that if not recycled, resources are not only wasted, but also contribute to various waste disposal problems such as environmental pollution and problems of landfill disposal sites. , It did not meet the social demand for recycling.

An object of the present invention is to solve the problems that the conventional aerosol container has.

[0007]

In order to solve the above-mentioned problems, the invention according to claim 1 of the present invention has a projecting edge projecting outward at the upper peripheral edge and is filled under pressure. A container body made of metal with a nozzle for taking out objects protruding upward,
An aerosol container comprising an annular wall having a ridge that engages with the projecting edge on the inner periphery of the lower end, and a synthetic resin cover member that is integrally fitted to the upper part of the container body. The annular wall fitted to the projecting edge is provided with a breaking portion for breaking the annular wall and removing the fitting.

According to a second aspect of the present invention, there is provided a vertical thin portion in which the fractured portion in the first aspect of the present invention is formed inside the annular wall, and a marker provided outside the annular wall at a location corresponding to the thin portion. It is characterized by

According to a third aspect of the present invention, two longitudinally parallel thin-walled portions in which the fractured portion according to the first aspect of the invention is formed inside the annular wall, and one end is continuous with the annular wall between the thin-walled portions. It is characterized in that it is an elastic piece.

The invention according to claim 4 is characterized in that a cylindrical spout which engages with the nozzle is connected to the other end of the elastic piece in the invention according to claim 3.

A fifth aspect of the present invention is characterized in that a tension ring is connected to the other end of the elastic piece in the third aspect of the invention.

The invention according to claim 6 is the aerosol container according to any one of claims 3 to 5, characterized in that an outer peripheral wall serving as a shoulder cover of the container is provided around the annular wall.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on the illustrated embodiments. In addition, in each embodiment, the same functional portions are denoted by the same reference numerals.

FIG. 1 is a perspective view of an essential part of a first embodiment of an aerosol container according to the present invention, and FIG. 2 is an enlarged vertical sectional view thereof. As shown in the figure, the aerosol container of the present invention comprises a container body 1 filled with contents such as a hair styling agent and shaving cream, and a cover member 2 which is integrally fitted to the upper portion of the container body 1.

The container body 1 is a metal pressure-resistant container for containing the contents together with a high-pressure gas, has a projecting edge 3 at the upper peripheral edge, and a nozzle 4 for taking out the contents by a pushing operation. Is protruding upward.

The cover member 2 has an annular wall 5 provided with a protrusion 8 on the inner periphery of the lower end, which engages with the protrusion 3 of the container body 1.
It is made of a synthetic resin and has a structure in which it is integrally attached by forcibly fitting the upper part of the container body 1. A rib 51, which also serves as a stopper, is provided on the inner side of the annular wall 5 so that the cover member 2 will not be pushed into the container body 1 side more than necessary and will not be damaged during this attachment.

In the present invention, the cover member 2 is integrally formed with a cylindrical spout 6 which engages with the nozzle 4 of the container body 1. A part of the spout 6 is continuous with the annular wall 5 via the elastic piece 9 so as to form a gap 91 between the spout 6 and the pressing portion 7 provided on one side thereof. The nozzle 4 is oscillated and pushed down. Further, the annular wall 5 is provided with a rupture portion 10 in a part of its periphery. The breaking portion 10 is composed of a vertical thin portion 10a formed inside the annular wall 5 and a marker such as a cutout portion 10b provided outside the annular wall 5 at a location corresponding to the thin portion 10a. . In the figure, the notch 1 that serves as a marker
0b is provided at the outer peripheral lower end of the annular wall 5, but the marker is provided so that the position of the thin portion 10a can be confirmed from the outside.
It suffices that it is provided on the outer side of, and the position and the shape thereof are not limited to those illustrated.

In the aerosol container of the present invention having the above structure, when the finger is put on the pressing portion 7 and pushed down, the spout 6 continuous with the annular wall 5 swings through the elastic piece 9, and the spout 6 is engaged. The depressed nozzle 4 is pushed down. By this operation, the on-off valve (not shown) provided inside the container body 1 is opened, and the contained contents are pushed out by the pressure of the high-pressure gas with which the container is filled. When the pushing down of the pressing portion 7 is stopped, the nozzle 4 returns to its original state by the pressure of a spring (not shown) incorporated in the container body 1, whereby the on-off valve is closed and the contents are pushed out to the outside. Stop. At this time, the spout 6 is pushed up by the tip of the nozzle 4 and returned to its original state by the elastic restoring force of the elastic piece 9.

As described above, the aerosol container of the present invention can be used without any change from the conventional one. Then, when the contents are used up in this manner and the contents disappear, if the tip of a flat-blade screwdriver is applied to the marker (the cutout portion 10b in this case) formed on the outside of the annular wall 5 as a mark, and then swipe it, Since the annular wall 5 is broken from the thin portion 10a and the fitting with the container body 1 is released, the cover member 2 made of synthetic resin can be removed from the metal container body 1. Therefore, these can be separately disposed of in a recyclable manner.

As a means for breaking the annular wall 5 described above, there is also a method of hitting the position indicated by the marker on the upper end of the cover member 2 with a hammer or the like. In this case, the annular wall 5 is forcibly expanded to the lower end. Due to the action of the opening force, the annular wall 5 is broken from the thin portion 10a in the same manner as described above.

3 and 4 show a second embodiment of the present invention, in which case the break 1 formed in the annular wall 5 is shown.
0 is a pair of parallel thin-walled portions 10a, 10a which are continuous in the vertical direction from the left and right of the elastic piece 9. Then, in this case, after use, the spout 6 is tilted to the elastic piece 9 side and pulled laterally to cut off between the thin wall portions 10a, 10a of the annular wall 5 continuous with the elastic piece 9, where the annular wall 5 The cover member 2 is disengaged by breaking.

5 and 6, the outer peripheral wall 11 serving as a shoulder cover of the container body 1 is provided outside the annular wall 5 of the cover member 2 described above.
3 shows a third embodiment in which the inner wall 5 is fitted to the container body 1 in this case as well, so that the inner wall 5 is fitted to the container body 1 in the same manner as described above. If a part is cut off, the cover member 2 can be easily removed from the container body 1.

As shown in FIGS. 7 and 8, the thin wall portions 10a, 1 on both sides are preliminarily formed at the lower end of the annular wall 5 continuous with the elastic piece 9.
A third embodiment of the present invention is shown in which a cutting portion 10c in which 0a is continuous is provided and the upper annular wall 5 of the cutting portion 10c is cut.

FIGS. 9 and 10 show a fifth embodiment of the present invention. In this case, the thin portions 10a, 10 are shown.
A tension ring 12 is continuously provided at the tip of an elastic piece 9 continuous to the annular wall 5 between a, and the nozzle 4 is provided with a discharge port 13 separately on the side.
The nozzle button 13 provided with a is attached. Then, when discarding this aerosol container, first, the nozzle button 13 may be pulled to disengage from the nozzle 4, and then the pulling ring 12 that appears on the lower side thereof may be pulled, whereby the container body 1 A part of the annular wall 5 fitted to the projecting edge 3 is cut off, and the fitting is released as in the other embodiments described above.

Although the spout 6 and the tension ring 12 are connected to the tip of the elastic piece 9 in the above example, the elastic piece 9
Need only be a clue to cut off a part of the annular wall 5, and the shape of the tip is not limited to the example shown in the figure.

Further, in the above, the example in which the fractured portion is formed as a thin portion is shown, but the fractured portion may be a guide for easily breaking the annular wall, for example, a perforation. Is also good.

[0027]

As described above, according to the invention of claim 1 of the present invention, a breaking portion is provided in the annular wall fitted to the projecting edge of the container body so that the synthetic resin is removed from the container body made of metal. The cover member made of metal can be easily removed, the metal and the synthetic resin can be separated and collected in a recyclable manner, and effective use of resources is achieved, and problems such as environmental pollution due to disposal do not occur. It is a thing.

According to a second aspect of the invention, as a concrete means of the first aspect of the invention, the breaking portion is a thin portion having a marker, and the cover member can be easily removed from the container body by using a tool such as a driver. did.

According to the third aspect of the present invention, the tool is used by forming parallel thin wall portions in the longitudinal direction on the annular wall and forming elastic pieces which are continuous clues on the annular wall between the thin wall portions. Without this, there is an effect that the annular wall can be excised.

According to the fourth aspect of the present invention, the elastic piece for swingably holding the spout is provided with the breaking portion continuously, so that the annular wall can be cut off more reliably and easily.

According to the fifth aspect of the present invention, the end of the elastic piece is a pulling ring so as to correspond to a side injection type aerosol container having a nozzle button.

The invention according to claim 6 has an effect of improving the external appearance of an aerosol container in which parts made of synthetic resin can be easily removed.

[Brief description of drawings]

FIG. 1 is a perspective view of an essential part showing a first embodiment of an aerosol container according to the present invention.

FIG. 2 is an enlarged vertical sectional view of the aerosol container shown in FIG.

FIG. 3 is a main part perspective view showing a second embodiment of the aerosol container according to the present invention.

FIG. 4 is an enlarged vertical sectional view of the aerosol container shown in FIG.

FIG. 5 is a main part perspective view showing a third embodiment of the aerosol container according to the present invention.

FIG. 6 is an enlarged vertical sectional view of the aerosol container shown in FIG.

FIG. 7 is a main part perspective view showing a fourth embodiment of the aerosol container according to the present invention.

8 is an enlarged vertical sectional view of the aerosol container shown in FIG.

FIG. 9 is a perspective view of essential parts showing a fifth embodiment of the aerosol container according to the present invention.

FIG. 10 is an enlarged vertical sectional view of the aerosol container shown in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Container body 2 Cover member 3 Projection edge 4 Nozzle 5 Annular wall 6 Spout 7 Pressing part 8 Projection 9 Elastic piece 10 Breaking part 10a Thin part 10b Cutout part (marker) 11 Outer wall 12 Pull ring 13 Nozzle button 51 Rib 91 Gap

Claims (6)

[Claims] 1. A metal container main body having an outwardly projecting projecting edge at an upper peripheral edge thereof, and a nozzle for taking out the content filled under pressure projecting upward, and the projecting edge at an inner periphery of a lower end. An aerosol container comprising a synthetic resin cover member integrally fitted to the upper part of the container body, which has an annular wall provided with engaging projections, and an annular shape fitted to the projecting edge of the container body. An aerosol container, characterized in that the wall is provided with a breaking portion for breaking the annular wall and removing the fitting. 2. The fractured part is composed of a vertical thin portion formed inside the annular wall and a marker provided on the outside of the annular wall at a location corresponding to the thin portion. The described aerosol container. 3. A fractured part is composed of two parallel thin thin-walled portions formed in the longitudinal direction inside the annular wall, and an elastic piece having one end continuous with the annular wall between the thinned portions. Item 1. The aerosol container according to item 1. 4. The aerosol container according to claim 3, wherein a cylindrical spout that engages with the nozzle is connected to the other end of the elastic piece. 5. The aerosol container according to claim 3, wherein a tension ring is connected to the other end of the elastic piece. 6. The aerosol container according to claim 3, wherein an outer peripheral wall serving as a shoulder cover of the container is provided around the annular wall.