JP2003054665A - Cap for aerosol can - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cap for an aerosol can, capable of automatically degassing an aerosol can be mounting the cap to it when the aerosol can is made to waste, and preventing gas from being ejected therefrom even in the case where the cap is erroneously mounted to the aerosol can before making it to waste. SOLUTION: A folding plate 5 foldable inwardly is formed at one of half parts of a top plate of a cap main body 4 which is mounted to an aerosol can 1 capable of spraying a liquid through a nozzle by a depression operation of a depressing head 3 with the nozzle. A head depressing plate 6 is provided to an inner face of the folding plate, and a fixing plate 7 for fixing the head depressing plate is provided at the other half part of the top plate of the cap main body, respectively. The head depressing plate 6 is provided in such a manner that it is engageable with the fixing plate 7 by folding the folding plate 5, and that it is engaged with the depressing head 3 with the nozzle so as to be capable of pushing down depressing head when the cap is mounted to the aerosol can 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cap that is attached to an aerosol can which can spray liquid from a nozzle by pressing down a pressing head with a nozzle.

[0002]

2. Description of the Related Art When an aerosol can is discarded without degassing, it may explode. Therefore, at the time of disposal, a gas is vented by making a hole in the aerosol can. If you have no tools,
There was no choice but to push down the push-down head until the gas was exhausted, but this was extremely troublesome and could be discarded with incomplete degassing. Therefore, in order to avoid such a trouble, a cap for exclusive use of degassing has been devised, which can automatically degas when attached to an aerosol can at the time of disposal.

[0003]

The cap for exclusive use of degassing is used only when the aerosol can is discarded, but it may be accidentally attached to the aerosol can before disposal.

An object of the invention according to claim 1 is to provide a cap for an aerosol can, which is capable of automatically venting gas at the time of disposal, and which cannot eject gas even if it is accidentally attached to an aerosol can before disposal. To do.

The invention according to claim 2 has the problem to be solved by the invention according to claim 1, and the cap is assembled to a use state by providing a means for pressing down the pressing head with nozzle on the top plate of the cap body. The purpose is to make things easier.

The invention according to claim 3 has the problem to be solved by the invention according to claim 2, and in addition, by providing a bending plate in one half of the top plate and a fixing plate in the other half, the head with respect to the fixing plate is provided. It is an object of the present invention to facilitate positioning of the push-down plate and facilitate manufacturing.

[0007]

As a first means, in a cap that is attached to an aerosol can 1 capable of spraying liquid from a nozzle by pressing down a pressing head 3 with a nozzle, a part of a cap body 4 is Bending plate 5 that can be bent toward
And the fixing plate 7 is provided on the inner surface of the cap body, and the bending plate 5 can be engaged with the fixing plate 7 by inward bending, and the fixing plate 7 can be attached to the aerosol can 1. At some times, the folding plate 5 was engaged with the above-mentioned nozzle-equipped push-down head 3 so that the push-down head could be pushed down.

As a second means, in addition to the first means, the bending plate 5 is provided on the top plate 8 of the cap body, and the fixing plate 7 is provided on the inner surface of the top plate 8 excluding the bending plate.

As the third means, the second means is provided, and a folding curve 9 and a parting line 10 are formed in one half of the top plate 8, and the head pressing plate 6 is formed from the top plate portion surrounded by these lines. Is formed so as to project in the axial direction to form the bending plate 5, the fixing plate 7 is positioned on the other half of the top plate 8, and a notch 11 is formed on the tip side of the fixing plate. The front end of the head pressing plate 6 is provided so as to be engageable with the notch 11 when the bending plate 5 is bent.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION In FIG. 1, reference numeral 1 is an aerosol can, which is provided with a jetting stem 2 penetrating to a top wall in an upwardly biased state
Moreover, the push-down head 3 with a nozzle is fitted to the jetting stem.

Reference numeral 4 denotes a cap body. A part of the cap body is formed on a bending plate 5 which can be bent inward, and a fixing plate 7 is provided on the inner surface of the cap body. The bent plate is formed so as to be engageable with the fixed plate 7. Further, the bending plate 5 is formed so as to engage with the nozzle-equipped push-down head 3 and push down the push-down head when the cap body is attached to the aerosol can.

As described in claim 2, the bending plate 5 is provided on the top plate 8 of the cap body, and more preferably on one half of the top plate 8 as described in claim 3. In this case, the folding plate 5 is formed by a top plate portion surrounded by the folding curve 9 and the parting line 10 formed in the one half portion, and a head pressing plate portion 6 vertically extending from the top plate portion.
To form. Further, the fixing plate 7 is preferably hung from the top plate 8 portion excluding the bending plate 5 as described in claim 2,
More preferably, the notch 11 is formed at the lower end of the fixed plate by vertically extending from the other half of the top plate 8 as described in claim 3.

[0013]

EXAMPLE A cap body 4 as shown in FIGS.
The peripheral wall 12 is attached to one half of the top plate 8 that closes the upper surface of the peripheral wall 12.
And a separating line 10 with a connecting piece 10a for separating concentric arcs, and a thin hinge is provided between both ends of the separating line to form a fold line 9, and the top plate surrounded by the fold line 10 and the fold line 9 is formed. A head push-down plate portion 6 is vertically provided from a partial lower surface to form a bent plate 5, and a lower end portion of the head push-down plate 6 portion is formed into a narrow width portion. It should be noted that it is possible to form a perforation line instead of the separation line 10.

On the other hand, the fixing plate 7 is hung from the lower surface of the other half of the top plate 8, and a notch 11 is formed at the lower end of the plate so that the narrow portion of the head pressing plate 6 can be engaged. It should be noted that the positions of the head pressing plate portion 6 and the fixing plate 7 are such that the cap pressing body 3 does not interfere with the nozzle pressing head 3 when the cap body is fitted to the aerosol can before the bending plate 5 is bent. Select.

In addition to the above-mentioned conditions, the position of the head push-down plate 6 is set when the head push-down plate 6 is engaged with the fixed plate 7 by bending the bending plate 5 and fitted into the aerosol can. First, it is necessary that the position is such that it can be brought into contact with the upper surface of the push-down head with nozzle 3.

Next, the operation will be described. Since the positions of the head pressing plate portion 6 and the fixing plate 7 are selected as described above, even if the cap is fitted to the aerosol can before the aerosol can is used up, as shown by the solid line in FIG. Since it does not interfere with the push-down head 3, no gas is ejected from the nozzle.

When the aerosol can is used up and discarded, as shown in FIG. 4, the bending plate 5 is bent downward to engage the narrow portion of the head pressing plate portion 6 with the notch portion 11 of the fixing plate 7. After assembling the cap into the form for degassing,
It may be fitted into the aerosol can 1 as shown in FIG.
Then, as shown by the chain double-dashed line, the head pressing plate portion 6 comes into contact with the upper surface of the nozzle pressing head 3 and presses down the head. The gas ejected from the nozzle flows out of the cap through the opening formed in the top plate 8 by bending the bending plate 5.

Although the bending plate 5 is provided on the top plate 8 of the cap body in the above description, it is not limited to this and may be provided on the peripheral wall 12 as shown in FIGS. 5 to 8. In the case of FIG. 5, two separating lines with separating pieces or thin-walled portions are formed in the circumferential direction, and a thin hinge 5a is provided between both ends of these separating lines, and between the other ends thereof. Separation lines are respectively formed, a peripheral wall portion surrounded by the thin hinge and the separation line is formed on the folding plate 5, and an intermediate portion of the folding plate is formed on a narrow portion for engagement, and the top plate 8 is formed. By forming a notch 7a for engagement in the middle portion of the fixed plate 7 that hangs down from the fixed plate 7 and pushing the bending plate 5 inward in the horizontal direction, the bending plate is centered around the thin hinge 5a as shown in FIG. As it is rotated, the narrow portion of the bent plate is formed to be engageable with the cutout portion 7a of the fixed plate 7 as shown in FIG.

On the other hand, in the case of FIG. 8, a connecting piece for separating or two separating lines with a thin portion are formed in the axial direction of the lower part of the peripheral wall, and the thin hinge 5a is provided between the upper ends of these separating lines.
And a separating line is formed between the lower ends, and the peripheral wall portion surrounded by the thin hinge and the separating line is formed on the folding plate 5, and the tip of the bending plate is formed on the narrow portion for engagement. And forming a notch for engagement on the lower end of the fixed plate 7,
By pushing the bending plate inward as shown in FIG. 10, the bending plate rotates about the thin hinge 5a, and the narrow portion of the bending plate can be engaged with the cutout portion 7a of the fixing plate 7. To form.

[0020]

According to the invention of claim 1, when the folding plate is bent and the cap body is attached to the aerosol can, the folding plate is provided so that the pushing head with the nozzle can be pushed down. When the cap body is attached to the aerosol can at the time of discarding the can, the gas can be automatically degassed, and even if the cap body is accidentally attached to the aerosol can before the disposal, no gas is ejected.

According to the second aspect of the present invention, since the bending plate is provided on the top plate of the cap body, the cap can be easily assembled in the use state by merely pushing down the bending plate.

According to the third aspect of the present invention, the bending plate is provided in one half of the top plate and the fixing plate is provided in the other half. Therefore, the fixing plate may be positioned on the rotation locus of the head pressing plate. Therefore, manufacturing can be facilitated.

[Brief description of drawings]

FIG. 1 is a partial cross-sectional view showing a mounted state of a cap of an aerosol can according to the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is likewise a perspective view of the cap.

FIG. 4 is a perspective view showing a state in which the cap is assembled in a use state.

FIG. 5 is a partial cross-sectional view showing a second embodiment of the present invention.

FIG. 6 is an explanatory view of the same operation.

FIG. 7 is an explanatory view of the same operation.

FIG. 8 is a partial cross-sectional view showing a third embodiment of the present invention.

9 is a sectional view taken along line xx of FIG.

FIG. 10 is an explanatory view of the same operation.

[Explanation of symbols]

1 aerosol can 2 Stem for ejection Push-down head with 3 nozzles 4 cap body 5 folding board 6 Head push down plate 7 Fixed plate 8 top plate 9 folding curves 10 separation line 11 Notch

Claims (3)

[Claims] 1. A cap for mounting a liquid on a aerosol can 1 sprayed from a nozzle by a pressing operation of a pressing head 3 with a nozzle. A folding plate 5 capable of bending a part of a cap body 4 inward. In addition, the fixing plate 7 is formed on the inner surface of the cap body, and the bending plate 5 can be engaged with the fixing plate 7 by inward bending, and the fixing plate 7 can be attached to the aerosol can 1. A cap for an aerosol can, characterized in that the folding plate 5 is engaged with the above-mentioned push-down head 3 with a nozzle so that the push-down head can be pushed down. 2. The bending plate 5 is attached to the top plate 8 of the cap body,
The cap for an aerosol can according to claim 1, wherein the fixing plate 7 is provided on the inner surface of the top plate 8 except the bending plate. 3. A fold line 9 and a separating line 1 are formed on one half of the top plate 8.
0, and the bending plate 5 is formed by projecting the head pressing plate portion 6 in the axial direction from the top plate portion surrounded by these two lines, and the fixing plate 7 is formed in the other half of the top plate 8. And a notch 11 is formed on the tip side of the fixed plate, and the tip of the head pressing plate 6 is provided so as to be engageable with the notch 11 by bending the bending plate 5. The cap of the aerosol can according to claim 2.