JP4242933B2 - Bottle cap - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a bottle cap used for a lid of a bottle.
[0002]
[Prior art]
A bottle having a lid portion configured by attaching a reverse-bottomed cylindrical mouthpiece to a bottle mouth closed by a rubber stopper or the like and winding the peripheral body portion of the mouthpiece around the bottle mouth is widely known. .
[0003]
A peeling ring (tab) for peeling the die is usually provided on the top surface portion of the die used for such a bottle. And the tearing line | wire which reaches the periphery trunk | drum part of a nozzle | cap | die is each engraved in the both ends of this peeling ring (tab).
[0004]
When using the substance in the bottle, the user pulls the peeling ring (tab) to peel the entire mouthpiece from the bottle mouth, removes the rubber stopper, etc., and uses the substance inside.
[0005]
[Problems to be solved by the invention]
However, in such a conventional bottle mouthpiece, when the mouthpiece is peeled from the bottle mouth, as shown in FIG. 7, one of the peripheral body portions sandwiched between the peeling ring (tab) 15 and the two slit muscles connected thereto. Only the part 11a may be separated from the other part of the base body 1 and peeled off. When this happened, the user had to remove the remaining part of the base body 1 remaining in the bottle mouth, and then removed the rubber stopper etc., which required extra time. .
[0006]
It is an object of the present invention to provide a bottle base that is difficult to separate the peeling ring and a part of the peripheral body portion connected to the peeling ring independently from the other parts of the base, and can securely peel the entire base from the bottle mouth together with the peeling ring. It is to provide.
[0007]
[Means for Solving the Problems]
To accomplish the above object, there a top surface plate disposed on the upper surface of the peripheral body portion and its comprising a cylindrical body with opposite bottomed cylindrical die formed of a soft sheet metal such as aluminum as an integral In addition, a through hole is formed in the central portion of the top plate, and a groove is formed around the entire periphery of the through hole at a position spaced a certain distance from the outer periphery of the through hole. A slit is formed at both ends of the groove so as to be left , and the slits extending from the both ends to the vicinity of the lower end of the peripheral trunk portion are formed. An extension line of one of the two slits it is characterized in that the convex portion serving as a bending piece by is folded in the lower position and the lower end to the intersection of the peripheral body portion is formed with.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0009]
FIG. 1 is an exploded perspective view showing a configuration of a lid body using a base according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view of a medicinal bottle equipped with the lid body shown in FIG.
[0010]
As shown in FIG. 1, the lid of this medicinal bottle can be fitted to the base body 1 formed in a reverse bottomed cylindrical shape by a soft metal thin plate such as aluminum, and the inside of the top surface of the base body 1. And it is comprised by the combination of the inner lid | cover 2 formed in the shape similar to the nozzle | cap | die main body 1, and the outer lid | cover 3 made from a synthetic resin which can be attached to the upper half part including the top surface part of the said nozzle | cap | die main body 1. FIG. .
[0011]
The base body 1 is formed in an inverted bottomed cylindrical shape by a soft metal sheet such as aluminum as described above, as shown in FIG. 1, it is disposed on the upper surface of the peripheral body portion 11 and its of the appropriate height a top surface plate 12 is formed integrally that.
[0012]
Reference numeral 13 denotes a through hole formed in the central portion of the top plate 12, and as shown in FIG. 2, the upper surface of the rubber stopper 5 fitted into the bottle opening of the medicinal bottle 4 can be exposed through the through hole 13. ing.
[0013]
Reference numeral 14 denotes a groove having an appropriate width formed around the through hole 13 formed in the top surface plate 12 so as to reach the upper end portion of the peripheral body portion 11 from the top surface plate 12 where both ends of the groove 14 are formed. Two slits 16a and 16b are formed on the inner surface of the groove 14 so that the inner side surrounded by the groove 14 becomes a peeling ring 15 for raising. That is, as shown in FIG. 1, a groove 14 having an appropriate width is partly disposed around the through hole 13 at a position separated from the outer periphery of the through hole 13 by a certain distance (the width of the peeling ring 15). The two slits 16a and 16b are engraved so as to reach the upper end of the peripheral body 11 from the top plate 12 where both ends of the groove 14 are formed. Has been. As shown in FIG. 3A, the slit muscles 16a and 16b that have reached the upper end of the peripheral drum portion 11 are further extended into the peripheral drum portion 11, and their tip ends are located near the lower end portion of the peripheral drum portion 11. Yes. Reference numeral 14a denotes a slit provided in the top plate 12 so that the base body 1 can be easily peeled off from the bottle mouth of the medicinal bottle 4.
[0014]
The inner lid 2 is formed in an inverted bottomed cylindrical shape by continuing the top plate 22 on the upper end of the peripheral body portion 21, has a similar shape to the base body 1, and has a size that can be fitted to this. It is formed as. In this embodiment, the inner lid 2 is formed of a soft metal thin plate such as aluminum which is the same material as the base body 1, but the inner lid 2 may be formed of a synthetic resin.
[0015]
As shown in FIG. 2, the height of the above-described peripheral body portion 21 is formed lower than the height of the flange portion of the rubber plug 5, so that it can be in close contact with the peripheral body of the flange portion of the rubber plug 5 in use. It is.
[0016]
Reference numeral 23 denotes a through hole formed in the top plate 22 of the inner lid 2, and the size of the through hole 23 is smaller than that of the through hole 13 formed in the top plate of the base body 1. As a result, when the outer lid 3 is peeled and removed, the locking projection 39 released from the inner lid 2 can be pulled up to the upper surface through the through hole 13 of the base body 1 (see FIG. 2).
[0017]
The outer lid 3 to be crowned on the upper surface of the base body 1 is formed using a synthetic resin having an appropriate hardness and has a shallow inverted plate shape in which the peripheral body portion can be slightly covered with the peripheral body portion 11 of the base body 1. It is formed as follows.
[0018]
As shown in FIG. 2, a locking projection 39 that can be bent and locked while being in contact with the circumference of the through hole 23 formed in the inner lid 2 is provided at the center of the rear surface of the outer lid 3. Then, after being fitted into the through hole 23, it is provided so as to be bent so that it can be laid down by being bent and pressed from the inner side of the inner lid 2 or by being heated from the inner side.
[0019]
FIG. 3A is a perspective view of the base body 1 viewed from the back side. As shown in FIG. 3 (a), of the two slit muscles 16a and 16b engraved on the peripheral drum portion of the base body 1, the lower end portion of the peripheral drum portion 11 located on the extension line of one of the slit muscles 16a , that is, one of them. On the lower side of the position where the extended line of the cut line 16a intersects the lower end portion of the peripheral body portion 11, a convex portion 17 is formed which is bent to be a bent piece.
[0020]
Protrusions 17 of this, when assembling the whole lid is bent in the direction of tearing muscle 16a as shown in FIG. 3 (b) and bent piece. By this bent piece, the strength of the lower end portion of the circumferential trunk portion 11 located on the extension line of the tearing muscle 16a can be made larger than the strength of the lower end portion of the circumferential trunk portion 11 located on the extension line of the tearing muscle 16b.
[0021]
The lid body composed of the base body 1, the inner lid 2 and the outer lid 3 constructed as described above is assembled, and is attached to the bottle mouth portion of the medicinal bottle 4 in which the rubber stopper 5 is fitted. The lid body is mounted on the medicinal bottle by fixing the lower end portion of the peripheral body portion 11 with a tightening machine.
[0022]
In a medicinal bottle having a lid configured as shown in FIG. 2, when using a small amount of chemical solution, only the outer lid 3 is removed, the injection needle is inserted through the rubber stopper 5, and the chemical solution is taken out. When using the chemical solution, after removing the outer lid 3, the peeling ring 15 is pulled to remove the base body 1, the rubber stopper 5 is removed, and the internal chemical solution is taken out.
[0023]
In the present embodiment, when the user pulls the peeling ring 15, the strength of the lower end portion of the base body on the extension line of the two slit muscles 16 a and 16 b is different, so as shown in FIG. 4. When all the bases on the side of the tearing muscle 16b having a low strength are torn, all the bases on the side of the tearing muscle 16a are not torn. Accordingly, when the user pulls the peeling ring 15, the base on the side of the tearing bar 16 b is first torn, and then the top plate 12 is broken at the slit 14 a and the base body 1 is reliably removed from the medicinal bottle 4.
[0024]
FIG. 5 is a cross-sectional view showing another configuration of the lid portion of the medicinal bottle using the base according to the present embodiment. As shown in FIG. 6, the lid shown in FIG. 5 is composed of two bodies: a base body 1 and an inner lid 2 that does not have a through hole in the top plate 22 and is directly attached to the bottle mouth.
[0025]
Even when it is used for a lid having such a configuration, the effects of the present embodiment are sufficiently exhibited. That is, the base according to the present embodiment can sufficiently exert its effect regardless of the configuration of the lid. In the above description, the bottle to which the present embodiment is attached is described as a medicinal bottle, but the bottle to which the present embodiment is attached is not limited to a medicinal bottle.
[0026]
【The invention's effect】
As described above, according to the present invention, the peeling ring and a part of the peripheral body portion connected to the peeling ring are difficult to separate independently from other parts of the base, and the entire base together with the peeling ring is reliably peeled from the bottle mouth. Can do.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view showing a configuration of a lid body including an embodiment of the present invention.
FIG. 2 is a cross-sectional view of a medicinal bottle equipped with the lid shown in FIG.
FIG. 3 is a perspective view seen from the back side of one embodiment of the present invention.
FIG. 4 is an explanatory diagram of the operation of one embodiment of the present invention.
FIG. 5 is a cross-sectional view showing another configuration of the lid including one embodiment of the present invention.
6 is an exploded perspective view of the lid shown in FIG. 5. FIG.
FIG. 7 is an explanatory diagram of a conventional base.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Base body 2 Inner lid 3 Outer lid 4 Medicinal bottle 5 Rubber stopper 11 Circumferential trunk part 12 Top plate 13 Through-hole 14 Groove 14a Slit 15 Peeling ring (tab)
16a, 16b The cut line 17 Convex part 21 Circumferential trunk part 22 Top surface plate 23 Through-hole 39 Locking protrusion

Claims (4)

And a top surface plate disposed on the upper surface of the peripheral body portion and its comprising a cylindrical body with an inverted bottomed cylindrical die formed of a soft sheet metal such as aluminum as an integral, through holes in the center portion of the top surface plate The groove is drilled around the through hole so that a part of the groove is left over the entire circumference at a certain distance from the outer periphery of the through hole. In each of the two cuts , a cut line is formed from the both ends to the vicinity of the lower end of the peripheral trunk, and the extension line of one of the two split lines intersects with the lower end of the peripheral trunk . A base of a bottle, wherein a convex part that becomes a bent piece is formed on the lower side by bending . The bottle cap according to claim 1, wherein the convex portion is bent in the slit line direction. A bottle having the bottle cap according to claim 2 attached thereto. The bottle according to claim 3, wherein the bottle is a medicinal bottle.

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