JP2005324801A - Cap for aerosol container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cap which is optimal to an aerosol container which needs to prevent the quality of a content from being deteriorated caused by open air and miscellaneous bacteria in food application or the like, and gives an unnecessary external force to a nozzle when it is removed. <P>SOLUTION: The cap 2 for covering the nozzle 11 for the aerosol container 1 is equipped with an outer cap 3 capable of covering the whole nozzle 11, and an inner cap 4 provided in the outer cap 3 and covering at least an apex part of the nozzle 1. A fitting part 5 capable of fixing the cap 2 by fitting in a part 12a of the aerosol container is provided between the outer cap 3 and the inner cap 4. An operating rod 6 passing through the outer cap 3 is provided in this fitting part 5, and it can operate the fitting part 5 so that a fitting condition between it and the part 12a of the aerosol container can be released from the outside of the outer cap 3. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention is for an aerosol container and relates to a cap used to cover a nozzle.

Japanese Utility Model Publication No. 4-68869

Aerosol containers that can be filled with a high-pressure gas and a fluid content such as a liquid and that can be injected by opening a nozzle are used in various applications. This aerosol container has been conventionally used for insecticides, paints, cosmetics, and the like, but has recently been used for food applications. Examples of contents in this application include whipped cream.
Here, as an example of an aerosol container for food use, there is a device described in Patent Document 1. This is a part formed by an antibacterial synthetic resin, such as a nozzle, through which the contents pass. As described above, it is necessary to prevent the contamination of the contents of the germs, particularly in the aerosol container for food. In addition, it is necessary to prevent the contents from being oxidized by exposure to air. These are not limited to aerosol containers for food use, but are problems in general aerosol containers that are required to prevent quality deterioration such as oxidation of contents by outside air.

Therefore, as a countermeasure to the above problem, as shown in FIG. 5A, a cap 102 fitted to a part of the aerosol container 101 is attached, and the nozzle 103 is covered with the cap 102 so that the nozzle 103a of the nozzle 103 is formed. It may be separated from the outside air.
Here, as shown in FIG. 5B, when the cap 102 that is simply fitted to a part of the aerosol container 101 is used, as shown in FIG. It may give a force to bend at the root.
In particular, the type of nozzle 103 that injects by being tilted is inconvenient because the nozzle 103 is bent in this manner, and inadvertent injection may occur. Further, even with the most common type of nozzle 103 that performs injection by pushing toward the aerosol container 101, the force that causes the root to bend is applied as described above. It may cause malfunction and is not preferable.

In view of the above, the first aspect of the present invention is to provide an optimal cap for an aerosol container that is required to prevent quality deterioration of contents due to outside air or various bacteria, including food applications. To do.
It is a second object to provide a cap that does not give unnecessary external force to the nozzle even when it is removed.

  In order to solve the above-mentioned problem, the invention described in claim 1 of the present application is a cap 2 for an aerosol container provided to protrude from the aerosol container 1 and covering a nozzle 11 for injecting contents, The cap 2 includes an outer cap 3 that can cover the entire nozzle 11, and an inner cap 4 that is provided inside the outer cap 3 and covers at least the tip of the nozzle 1. And a fitting portion 5 is provided between the outer cap 3 and the inner cap 4, and the fitting portion 5 is fitted into a part 12 a of the aerosol container, thereby allowing the cap 2. The fitting portion 5 is provided with an operating rod 6 that penetrates the outer cap 3, whereby the fitting portion 5 is connected to the aerosol container from the outside of the outer cap 3. Part 1 of Providing a cap for an aerosol container, which is a so operable solve the fitting state between a.

  Further, the invention according to claim 2 of the present application is an aerosol container cap 2 provided to protrude from the aerosol container 1 and for covering the nozzle 11 for injecting the contents. An inner cap 4 that covers at least the tip of the nozzle 11 and a fitting portion 5 that can fix the cap 2 by being fitted to a part 12a of the aerosol container are provided. The part 5 provides a cap for an aerosol container, which is operable so as to release the fitting state with the part 12a of the aerosol container.

  In the implementation of the present invention, the inner cap 4 covers the tip portion of the nozzle 11 to ensure the quality of the contents of the aerosol container 1. In addition, since the cap 2 can operate the fitting portion 5 so as to release the fitting state with the part 12a of the aerosol container, the cap 2 is not necessary for the nozzle 11 due to the operation of pulling the cap 2 off. No external force is given.

  Hereinafter, an example of an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing an aerosol container of this example. FIG. 2 is an enlarged cross-sectional view of the main part showing the cap and its periphery.

  The aerosol container 1 in this example is cylindrical as shown in FIG. 1, and has a shoulder 13 that is narrowed to the upper end in the figure, and the upper end of the shoulder 13 shown in FIG. As shown, a dish-shaped injection unit 12 is provided. And the nozzle 11 is provided so that it may protrude from the center of this injection part 12. FIG. The aerosol container 1 is filled with fluid contents such as liquid or gel and high-pressure gas for pressurizing the contents and ejecting the contents from the ejection port 11a of the nozzle 11 to the outside. Yes. As shown in FIG. 2, the nozzle 11 in this example is a cylindrical body whose tip is an injection port 11 a, and a valve provided at the proximal end portion of the nozzle 11 by tilting the nozzle 11 from the root. (Not shown) is opened, and the contents can be ejected from the ejection port 11a.

  The cap 2 in this example can cover the nozzle 11 from the outside, and is made of resin. Specifically, it is made of polypropylene, but other resins can be used. The cap 2 of the present example includes an outer cap 3, an inner cap 4, and a fitting portion 5. As shown in FIG. 3, the outer cap 3, the fitting portion 5, and the inner cap 4 are arranged in this order from the outside. They are coordinated concentrically. In this example, the inner cap 4 and the fitting portion 5 are formed so as to protrude from below the upper surface 31 of the outer cap 3.

The outer cap 3 can cover the injection unit 12 and the nozzle 11 of the aerosol container 1. In this example, the upper surface 31 and the tapered side surface 32 formed by being gently curved are combined, and the lower part is opened.
In this example, when the cap 2 is attached to the aerosol container 1, the lower end 33 of the outer cap 3 is positioned so as to contact the shoulder 13 of the aerosol container 1. In the cap 2 of this example, the lower end portion 33 of the outer cap 3 and the shoulder portion 13 of the aerosol container 1 are not completely in close contact, but a packing having good adhesion is provided on the lower end portion 33. Thus, the cap 2 may be attached in an airtight state. On the contrary, if necessary, ventilation may be possible by providing holes in the upper surface 31 and the side surface 32 of the outer cap 3, and further, the entire side surface 32 of the outer cap 3 is omitted, and the fitting portion 5 described later. May be exposed.

In this example, as shown in FIG. 2, the inner cap 4 has an upper surface 41 that also serves as a part of the upper surface 31 of the outer cap 3. It is made into a cylindrical shape. Here, the form of the inner cap 4 is not limited to this. For example, the inner cap 4 may be supported by the side surface 32 of the outer cap 3.
The inner cap 4 can cover at least the tip portion of the nozzle 11, whereby the injection port 11 a provided at the tip portion of the nozzle 11 is covered by the inner cap 4, and the contents of the aerosol container 1. It is possible to keep quality away from the outside air.
In this example, the cylindrical portion 42 and the nozzle 11 are in direct contact with each other, but may be brought into close contact with each other by providing packing or the like having good adhesion on the inner surface of the cylindrical portion 42.
Here, since the cap 2 according to the present invention is provided with a fitting portion 5 that can be operated as described below, the cap 2 can be removed from the aerosol container 1 without squeezing the nozzle 11 and The covered inner cap 4 does not damage the nozzle 11 as in the prior art.

In this example, as shown in FIGS. 2 and 3, the fitting portion 5 is between the outer cap 3 and the inner cap 4 and protrudes downward with the upper surface 31 of the outer cap 3 as a root portion. As shown in FIG. 3, two tongues having elasticity are provided opposite to each other in the radial direction.
A part of the fitting part 5 is a claw part 51 that can be fitted to a part of the aerosol container 1, whereby the cap 2 can be fixed to the aerosol container 1. In this example, the claw portion 51 is a lower end portion of the fitting portion 5, and protrudes outward from the fitting portion 5 and has a vertical cross-sectional shape that is a substantially triangular shape. At least a part of the upper slope 51 a in 51 is caught on the inner edge 12 a of the injection unit 12.
In addition, about the form of the fitting part 5, it is not restricted to the thing of this example, You may provide the side surface 32 of the outer cap 3, and the inner cap 4 as a root part. Further, the shape of the vertical cross section of the claw portion 51 can be implemented with various changes such as a semicircular shape or a polygonal cross section as long as it has an upper inclined surface 51a that is hooked on the inner edge 12a of the injection portion 12.

As shown in FIG. 2, in the fitting portion 5, the operation rod 6 is inserted between the upper surface 31 of the outer cap 3 that is the base portion and the claw portion 51 that is the tip portion so as to penetrate the outer cap 3. Is provided. An inner end of the operation rod 6 is fixed to the fitting portion 5, an outer end is exposed to the outside of the outer cap 3, and an operation button 61 is provided. Here, since the fitting portions 5 are provided to face each other as described above, the operation buttons 61 are also located at the opposite positions as shown in FIG.
By being configured as described above, the operation rod 6 is pushed in by pushing the operation button 61 inward of the cap 2, and as shown in FIG. 4, the claw portion of the fitting portion 5 from the outside of the outer cap 3. 51 can be operated to move inward, and the engagement between the inner edge 12a of the injection portion 12 and the claw portion 51 in the aerosol container 1 can be released.
Note that, as described above, the operation buttons 61 are located at opposing positions, and therefore, when the operation buttons 61 are pushed in, the operation buttons 61 are equally applied with force. For this reason, it is difficult to generate a force that squeezes the cap 2 as in the prior art, and the cap 2 can be removed straight upward in the direction of the arrow shown in FIG.
In this example, the shape of the operation button 61 is a disk shape, but can be variously changed as long as the operation bar 6 can be pushed in with the finger as described above.

Thus, as shown in FIG. 5B, the cap 2 can be removed straight upward without squeezing the cap. Therefore, the nozzle 11 of the type that injects by tilting as in this example. Even in this case, it can be safely used without inadvertent injection. Further, even in a general type of nozzle that performs injection by pushing operation, the nozzle is not damaged or malfunctioned.
As described above, when the side surface 32 of the outer cap 3 is omitted, it is not necessary to provide the operation rod 6 in particular, and the claw portion 51 of the fitting portion 5 is pressed and moved directly inward. You just need to operate.
Further, when the cap 2 is attached to the aerosol container 1, the cap 2 is pushed down as it is, so that it is pushed by the inner edge 12 a of the injection portion 12, and the claw portion 51 of the fitting portion 5 moves inwardly. It will be in the above-mentioned fitting state.

  In addition, as shown by the dotted line in FIG. 1 and FIG. 2, in this example, a stopper 7 that can sandwich a part is attached between the outer cap 3 and the operation button 61, and the aerosol container 1 is When not in use, the operation rod 61 is unexpectedly pushed into the cap 2 so that the cap 2 does not fall off.

In this example, as described above, the cap 2 is held in the aerosol container 1 by the claw portion 51 provided on the inner side of the fitting portion 5 being hooked on the inner edge 12a of the injection portion 12. The structure is not limited, and conversely, the claw part 51 may be fitted to the outer edge of the injection part 12 to be fitted.
In this case, it is necessary to move the nail | claw part 51 outside and to cancel | release a fitting state. The movement of the claw portion 51 may be performed by providing an operating rod as in this example in the fitting portion 5 and pulling out the operating rod, or by providing a simple link mechanism inside the cap 2. As in the present example, a structure may be adopted in which the claw portion 51 is moved to the outside in conjunction with pushing the operating rod.

Further, as shown in FIGS. 2 and 3, the fitting portion 5 is not limited to a tongue-like shape, but can be formed into a cylindrical shape like the inner cap 4 by using a flexible material. 5 may be deformable, and the claw portion 51 provided in a part of the fitting portion 5 may be movable.
In addition, the operating rod 6 may be provided with a lock mechanism capable of temporarily fixing the state when the operating rod 6 is pushed inward.
Thus, the present invention can be implemented in various forms.

It is a perspective view which shows the aerosol container of this example. It is a principal part expanded sectional view which shows the periphery of a cap. It is a bottom view which shows a cap. It is a principal part expanded sectional view which shows the periphery of a cap. (A) (B) is principal part sectional drawing which shows the conventional cap.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Aerosol container 11 Nozzle 12a Part of aerosol container, inner edge of injection part 2 Cap 3 Outer cap 4 Inner cap 5 Fitting part 6 Operation rod

Claims (2)

A cap (2) for an aerosol container provided to protrude from the aerosol container (1) and covering a nozzle (11) for injecting contents,
The cap (2) includes an outer cap (3) that can cover the entire nozzle (11),
An inner cap (4) provided inside the outer cap (3) and covering at least the tip of the nozzle (1);
With
A fitting portion (5) is provided between the outer cap (3) and the inner cap (4).
This fitting part (5) is capable of fixing the cap (2) by fitting to a part (12a) of the aerosol container,
The fitting portion (5) is provided with an operating rod (6) penetrating the outer cap (3), whereby the fitting portion (5) is moved from the outside of the outer cap (3) to the aerosol. A cap for an aerosol container which is operable so as to release a fitting state with a part (12a) of the container. A cap (2) for an aerosol container provided to protrude from the aerosol container (1) and covering a nozzle (11) for injecting contents,
The cap (2) includes an inner cap (4) that covers at least a tip portion of the nozzle (11),
A fitting portion (5) capable of fixing the cap (2) by being fitted to a part (12a) of the aerosol container is provided,
The cap for an aerosol container, wherein the fitting portion (5) can be operated so as to release a fitting state with a part (12a) of the aerosol container.

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