JPH09301455A - Valve cover for aerosol container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a valve cover removable easily from an aerosol container on disposal of the aerosol container while making the valve cover fixed firmly to the aerosol container during a period of normal use of the aerosol container having the valve cover that is made of material different from that of the aerosol container. SOLUTION: This valve cover is composed of a fixing part 25 to be fitted onto a caulking part 26 formed on an aerosol container 1 and a cover part 21 for covering the shoulder of the aerosol container 1 and made of a material different from that of the aerosol container 1. Perforations 30 and 31 for severing the fixing part 25 from the caulking part 26 by a breaking operation are provided at the cover part 21.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an aerosol container valve cover, and more particularly to an aerosol container valve cover formed of a material different from that of the aerosol container.

[0002]

2. Description of the Related Art An aerosol container is one in which the contents to be sprayed and a propellant (gas) are enclosed in a pressure-tight sealed container, and the contents are uniformly sprayed or discharged by the pressure of the propellant. Due to their convenience, aerosol containers have recently been increasingly used as containers for cosmetics such as hair styling products.

FIGS. 7 and 8 show an example of an aerosol container having a conventional aerosol container valve cover 6 attached thereto. The aerosol container 1 is a pressure-resistant sealed container made of a cylindrical metal material, and a mountain cap 2 is attached to the upper part thereof. A valve 3 is attached to the center of the mountain cap 2, and a stem 4 is erected on the valve 3. The stem 4 is configured to swing and move up and down. When the stem 4 swings or moves up and down from the upright state, the valve 3 is opened, and the contents are urged by the propellant to move from the stem 4. It is configured to eject.

An aerosol container valve cover 6 (hereinafter referred to as a valve cover) is attached to the mountain cap 2 attached to the upper portion of the aerosol container 1. Figure 7
Further, in the example shown in FIG. 8, the valve cover 6 has a spout structure as an example.

The valve cover 6 is composed of a lower cylindrical cover portion 7, an upper hinge portion 8, a nozzle portion 9, an operating portion 10 and the like, and the respective constituent elements are resin molded different from the material of the aerosol container 1. Are integrally formed by. As will be described later, the valve cover 6 is configured so that the fixing portion 5 (shown in FIG. 8) formed on the lower inner peripheral portion of the cover portion 7 is fitted to the peripheral portion of the mountain cap 2 above the aerosol container 1. Attached to the aerosol container 1.

The hinge portion 8 is a portion having a function of integrally connecting the cover portion 7, the nozzle portion 9 and the operating portion 10, and the opening portion 11 formed in the upper portion of the valve cover 6.
Is formed to extend to. Therefore, the nozzle portion 9 and the operating portion 10 are configured to be able to swing vertically in the opening portion 11 by the hinge portion 8.

When the valve cover 6 is attached to the aerosol container 1, the nozzle portion 9 has a stem 4 of a valve 3 whose lower end is attached to the mountain cap 2.
Is configured to fit and connect to. The operation unit 10 is a unit that is operated when taking out the contents of the aerosol container 1. By pressing the operating portion 10, the hinge portion 8 swings, and the stem 4 connected to the nozzle portion 9 swings or moves up and down to open the valve 3.

When the valve 3 is opened by the pressing operation of the operating portion 10, the contents filled in the aerosol container 1 are urged by the propellant and discharged from the stem 4, and the discharged contents are discharged from the nozzle. It is configured to be discharged in a foam state from the discharge port 9a of the portion 9 to the outside.

The overcap 12 is configured to be attachable / detachable to / from a cap attaching portion 13 formed on the upper portion of the valve cover 6. By attaching the overcap 12 when the aerosol container 1 is not used, the nozzle 10 is inadvertently pushed. The function of protecting the contents from being accidentally discharged is achieved.

FIG. 8 shows a structure for attaching the valve cover 6 to the aerosol container 1. On the mountain cap 2 of the aerosol container 1, a crimp portion 2a having an end portion bent downward in a hemispherical shape is formed on an outer peripheral portion. The crimp portion 2a and a bead 1a formed on an opening portion of the aerosol container 1 are formed. They are caulked, fastened and fixed.

The diameter of the cylindrical cover portion 7 of the valve cover 6 is made substantially equal to the outer diameter of the mountain cap, and a fixing portion 5 projecting inward is formed on the lower end portion thereof over the inner circumference. The valve cover 6 is attached to the aerosol container 1 in such a manner that the fixing portion 5 formed on the cover portion 7 is pushed into and fitted into the caulking portion 14 of the bead 1a and the crimp portion 2a described above so as not to easily come off. Further, in this mounted state, the valve cover 6 is the aerosol container 1
In order to cover the mountain cap 2 arranged in the, the designability of the aerosol container 1 is improved.

Since the valve cover 6 described above is attached to the shoulder portion of the aerosol container 1, it may be called a "shoulder cover".

[0013]

By the way, as described above, while the aerosol container 1 is made of a metal material, the valve cover 6 is made of resin. The reason why the aerosol container 1 and the valve cover 6 are made of different materials will be described below.

As described above, the aerosol container 1 includes
An overcap 12 is attached to protect the contents from being accidentally discharged. Now, assuming a configuration in which the overcap 12 is directly attached to the aerosol container 1, the overcap 12 needs to be attached to the caulking portion 14 between the bead 1a and the crimp portion 2a.

However, since the bead 1a and the crimp portion 2a are joined by caulking, the caulking portion 14 has variations in size. Therefore, this caulking portion 1
When the size of 4 is larger than the predetermined size, the overcap 12 cannot be mounted on the caulking portion 14. On the contrary, when the size of the caulking portion 14 is smaller than the predetermined size, the overcap 12 is rattled in the mounted state, and the overcap 12 is There is a risk that the aerosol container 1 may come off.

Therefore, the valve cover 6 is provided, and the fixing portion 5 formed on the cover portion 7 is provided with the bead 1a and the crimp portion 2.
The overcap 12 is fitted into a caulking portion 14 with a and fixed, and the overcap 12 is attached to a cap attaching portion 13 formed on the upper portion of the valve cover 6. Since the valve cover 6 is made of resin, it can be formed with high accuracy, and thus the dimensional accuracy of the cap mounting portion 13 can be increased. As a result, the overcap 12 can be attached / detached to / from the cap attaching portion 13 in a good state.

On the other hand, when the overcap 12 is attached to or detached from the valve cover 6, an attaching / detaching operation force acts on the valve cover 6. In particular, when removing the overcap 12 from the valve cover 6, a force acts in a direction to remove the valve cover 6 from the aerosol container 1. Therefore, in order to prevent the valve cover 6 from being separated from the aerosol container 1 by the force acting in the separating direction, the fixing portion 5 and the caulking portion 1 are prevented.
4 is configured to be firmly fixed.

By the way, from the viewpoint of recycling resources,
There is a growing trend to separate and collect waste by material. On the other hand, since the resin-made valve cover 6 is fixed to the metal aerosol container 1 as described above, the aerosol container 1 and the valve cover 6 should be separated at the time of disposal to be separated and discarded. Is desirable.

However, as described above, the conventional valve cover 6 is firmly fixed to the aerosol container 1 so as not to be separated from the aerosol container 1 by the mounting operation of the overcap 12. Therefore, there is a problem in that the user cannot easily detach the valve cover 6 from the aerosol container 1 and thus cannot meet the above-mentioned request for separate collection of waste.

The present invention has been made in view of the above points, and it is firmly fixed to an aerosol container during normal use, and can be easily removed from the aerosol container after use, particularly when the aerosol container is discarded. It is an object of the present invention to provide a valve cover for an aerosol container which can be detached.

[0021]

Means for Solving the Problems To solve the above problems, the present invention is characterized by taking the following means. According to the first aspect of the present invention, there is provided a fixing portion fitted to the caulking portion formed on the aerosol container and a cover portion covering the shoulder portion of the aerosol container, and made of a material different from that of the aerosol container. According to another aspect of the present invention, there is provided a valve cover for an aerosol container, wherein the cover portion is provided with a breaking portion that breaks a fitting portion between the fixing portion and the caulking portion by a breaking operation.

The invention according to claim 2 is characterized in that, in the valve cover for an aerosol container according to claim 1, the breaking portion is formed of perforations. Further, in the invention according to claim 3, in the valve cover for an aerosol container according to claim 1, the breaking portion is constituted by a thin portion.

Further, in the invention as set forth in claim 4, in the valve cover for an aerosol container according to any one of claims 1 to 3, the breakage portion extends radially when the cover portion is viewed in plan. It is characterized by being provided.

Further, in the invention according to claim 5, in the aerosol container valve cover according to any one of claims 1 to 3, the breaking portion extends obliquely when the cover portion is viewed from the side. It is characterized by being provided as follows.

Further, in the invention according to claim 6, in the valve cover for an aerosol container according to claim 4 or 5, a spout part is integrally formed on the cover part via a hinge part, and the breakage part is formed. Is provided so as to sandwich the hinge portion.

Further, in the invention according to claim 7, in the valve cover for an aerosol container according to any one of claims 1 to 3, the breaking portion is along a fitting position between the fixing portion and the caulking portion. It is characterized by being provided as follows.

Each of the above means operates as follows.
According to the invention described in claim 1, in a normal state, the valve cover for the aerosol container is fixed to the aerosol container by fitting the fixing portion to the caulking portion. However, after the end of use of the aerosol container, by performing a breaking operation on the breaking part provided in the cover part, the fitting part between the fixing part and the caulking part is broken, so that the aerosol container and the valve cover for the aerosol container are broken. And can be separated.

The broken portion may be formed of perforations as described in claim 2, or may be formed of a thin portion as described in claim 3. Furthermore, the breaking portion may be provided so as to extend radially when the cover portion is viewed in plan as in claim 4, and may extend obliquely when the cover portion is viewed in side as in claim 5. It may be provided so as to be present, or may be provided along the fitting position of the fixing portion and the caulking portion as described in claim 7.

According to the invention of claim 6, the spout portion is integrally formed on the cover portion via the hinge portion,
By providing the breaking portion with the hinge portion interposed therebetween, the operator can grip the spout portion and perform the breaking operation during the breaking operation, and thus the breaking operation can be easily performed.

[0030]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings. 1 to 3 show a first embodiment of the present invention.
1 shows a valve cover 20 for an aerosol container (hereinafter referred to as a valve cover) which is an embodiment. 1 and 2
FIG. 3 is a diagram showing a state in which the valve cover 20 is attached to the aerosol container 1, and FIG. 3 is a diagram for explaining the operation of the valve cover 20. It should be noted that, in FIGS. 1 to 3, the same configurations as those of the conventional one shown in FIGS. 7 and 8 are denoted by the same reference numerals.

The aerosol container 1 is a pressure-resistant sealed container made of a cylindrical metal material, and a mountain cap 2 is attached to the upper part thereof. A valve (not shown) is mounted at the center of the mountain cap 2, and a stem 4 is installed upright on the valve to discharge the contents by swinging and vertically moving.

A valve cover 20 is attached to the mountain cap 2 attached to the upper part of the aerosol container 1. The valve cover 20 includes a lower cylindrical cover portion 21, an upper hinge portion 22, a nozzle portion 23, and an operating portion 24.
The components are integrally formed by resin molding different from the material of the aerosol container 1.

In the valve cover 20, the fixing portion 25 (shown in FIG. 2) formed on the lower portion of the inner circumference of the cover portion 21 is attached to the peripheral portion (hereinafter referred to as the caulking portion 26) of the mountain cap 2 above the aerosol container 1. It is fixed to the aerosol container 1 by pushing and fitting.

The hinge portion 22 is formed so as to extend into the opening portion 27 formed in the upper portion of the valve cover 20, and has a function of integrally connecting the nozzle portion 23 and the operating portion 24 to the cover portion 21. . Therefore, the nozzle portion 23 and the operation portion 24 are configured to be capable of swinging vertically in the opening 27 by the hinge portion 22. The nozzle portion 23
Since the operation unit 24 and the operation unit 24 have the same configurations as the conventional nozzle unit 9 and operation unit 10 shown in FIGS. 7 and 8, description thereof will be omitted.

The overcap 12 is a valve cover 20.
It is configured to be attachable / detachable to / from the cap attaching portion 28 formed on the upper part of the nozzle, and when the aerosol container 1 is attached when it is not used, the nozzle portion 23 is inadvertently pushed and the contents are not accidentally discharged. Function to protect.

As described above, in this embodiment, since the valve cover 20 is made of resin, the valve cover 20 can be formed with high accuracy. Therefore, the dimensional accuracy of the cap mounting portion 28 is high, and the cap mounting portion 28 is not oversized. The cap 12 can be attached and detached in a good state.

When the overcap 12 is detached from the valve cover 20, a force acts on the valve cover 20 in the detaching direction, but the fixing portion 25 and the caulking portion 26 are firmly fixed to each other. , The force acting in the separating direction causes the valve cover 20 to move to the aerosol container 1
There is no such thing as leaving.

Here, the cover portion 21 of the valve cover 20.
In this embodiment, the cover portion 21 is formed with a pair of perforations 30, 31. This perforation 30,
31 is provided so as to extend radially when the cover portion 21 is viewed in a plan view. Further, the perforations 30, 31 are provided so as to sandwich the hinge portion 22. The perforations 30 and 31 correspond to the breakage portion of the first aspect.

Next, the function of the perforations 30, 31 formed on the valve cover 20 as described above will be described. The perforations 30, 31 configured as described above are formed up to a position in front of the fixing portion 25 formed on the cover portion 21, and the perforations 30, 31 are not formed on the fixing portion 25. Therefore, even if the perforations 30 and 31 are formed, the mechanical strength of the fixing portion 25 is maintained, and the fixing portion 25 and the caulking portion 26 can be firmly fixed.

On the other hand, when all the contents in the aerosol container 1 are used up and the aerosol container 1 is discarded, the user grips the nozzle portion 23 constituting the spout and moves it in the direction shown by the arrow in FIG. That is, an operation of pulling strongly on the side where the perforations 30 and 31 are formed (hereinafter, this operation is referred to as a breaking operation) is performed.

By performing the above-described breaking operation, since the formation position of the perforations 30, 31 is weaker in mechanical strength than the other parts, the valve cover 20 has the perforations 30, 31 as shown in FIG. Fractured along. At this time, although the perforations 30 and 31 are not formed in the fixing portion 25 as described above, the fixing portion 25 can be broken by strongly pulling the nozzle portion 23.

By performing the above-mentioned breaking operation, the cover portion 21 is separated at the position where the perforations 30, 31 are formed, so that the aerosol container 1 and the valve cover 20 can be separated. As described above, according to the present embodiment, the valve cover 20 made of resin and the aerosol container 1 made of metal can be easily separated by performing the breaking operation, so that the demand for the separate collection of waste can be met. It becomes possible.

Further, as in this embodiment, by providing the perforations 30 and 31 which are the breaking portions with the hinge portion 22 sandwiched therebetween, the operator can operate the nozzle portion 23 (spout portion) during the breaking operation.
Since the breaking operation can be performed by gripping the object, the breaking operation can be easily performed. By the way, perforations 30,
The formation position of 31 is the same as in the above-mentioned embodiment.
The present invention is not limited to the configuration in which it is provided so as to extend radially when the 1 is viewed in a plan view. For example, as in the valve cover 20A of the second embodiment shown in FIG. Perforation 30A extending in the direction,
31A may be provided.

Further, like the valve cover 20B of the third embodiment shown in FIG. 5, the perforations 30B may be provided in an annular shape so as to follow the fitting position between the fixing portion 25 and the caulking portion 26. In the valve cover 20B according to the third embodiment, the breaking operation can be facilitated by providing the knob 32 as illustrated.

In each of the above-described embodiments, the perforations 30A to 30B, 31A and 31B are used as the breaks, but the breaks are not limited to the perforations, and for example, FIG. Alternatively, the thin portion 33 may be used as shown in FIG. Furthermore, another configuration can be used as long as it has a configuration that reduces the mechanical strength.

Further, in each of the above-mentioned embodiments, the valve covers 20 to 20B having the spout structure have been described as an example, but the hinge portion 22, the nozzle portion 23, the operation portion 24 and the like are the cover portion 21. It goes without saying that the present invention can be applied to a valve cover (so-called shoulder cover) not provided in the.

[0047]

As described above, according to the present invention, various effects described below can be realized. According to the invention described in claims 1 to 5 and 7, after the use of the aerosol container is completed, the breaking portion provided in the cover portion is operated to be broken, so that the aerosol container and the valve cover for the aerosol container can be easily separated. Therefore, it becomes possible to meet the demand for the separate collection of waste.

According to the sixth aspect of the invention, since the operator can hold the spout portion and perform the breaking operation during the breaking operation, the breaking operation can be easily performed.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state where a valve cover according to a first embodiment of the present invention is attached to an aerosol container.

FIG. 2 is a sectional view showing a state in which the valve cover according to the first embodiment of the present invention is attached to the aerosol container.

FIG. 3 is a view for explaining the operation of the valve cover that is the first embodiment of the present invention.

FIG. 4 is a perspective view showing a valve cover which is a second embodiment of the present invention.

FIG. 5 is a perspective view showing a valve cover which is a third embodiment of the present invention.

FIG. 6 is a diagram for explaining a modified example of the present invention.

FIG. 7 is an exploded perspective view illustrating a conventional valve cover.

FIG. 8 is a diagram for explaining a mounting structure of a valve cover to an aerosol container.

[Explanation of symbols]

 1 Aerosol Container 2 Mountain Cap 4 No Step 12 Overcap 20, 20A, 20B Valve Cover 21 Cover Part 22 Hinge Part 23 Nozzle Part 24 Operation Part 25 Fixing Part 26 Caulking Part 27 Opening 28 Cap Mounting Part 30, 30A, 30B, 31, 31A Perforation 32 Knob 33 Thin part

Claims (7)

[Claims] 1. An aerosol container comprising a fixing portion fitted to a caulking portion formed on the aerosol container and a cover portion for covering a shoulder portion of the aerosol container, and made of a material different from that of the aerosol container. A valve cover for an aerosol container, characterized in that a break portion is provided in the cover portion for breaking the fitting portion between the fixing portion and the caulking portion when the cover portion is broken. 2. The valve cover for an aerosol container according to claim 1, wherein the breaking portion is formed by perforations. 3. The aerosol container valve cover according to claim 1, wherein the fractured portion is formed of a thin portion. 4. The aerosol container valve cover according to claim 1, wherein the breaking portion is provided so as to extend radially when the cover portion is viewed in a plan view. Valve cover. 5. The aerosol container valve cover according to claim 1, wherein the breaking portion is provided so as to extend in an oblique direction when the cover portion is viewed from the side. Valve cover for containers. 6. The valve cover for an aerosol container according to claim 4, wherein a spout portion is integrally formed on the cover portion via a hinge portion, and the break portion is provided so as to sandwich the hinge portion. A valve cover for an aerosol container, which is characterized in that 7. The aerosol container valve cover according to claim 1, wherein the breaking portion is provided along a fitting position between the fixing portion and the caulking portion. Valve cover for containers.