JP2000313456A - Sealing structure between cap and bottle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce a size of a cap to reduce a material cost while pilfer-proof property can be kept by providing a threaded portion of a pilfer-proof cap to be pushed upwardly and by providing a pilfer-proof band on a lower portion. SOLUTION: A glass bottle including a mouth 1 equipped with a groove 4 along an entire periphery on a lower part of a mouth top 3 has a cap 2 to be put over the mouth 1 molded to include a skirt 10 hanging from a peripheral rim of a top plate 9 provided on a top surface and a pilfer-proof band 13 extending from a lower end of the skirt 10 via a bridge 12. A protruding piece 11 is formed on a part of a lower end of the skirt 10 to provide a push-up portion at the time of unsealing, while a protrusion 14 to be fitted into the groove 4 of the mouth 1 is formed on an internal surface of the skirt 10. Further a protruding portion 15 to enter a lower part 6 of a jaw is formed. In unsealing the cap 2, the protruding piece 11 is pushed up, so that the bridge 12 under the piece 11 is cut and the protrusion 14 comes beyond a jaw 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sealed structure between a glass bottle or a plastic bottle filled with shochu or sake and a resin cap.

[0002]

2. Description of the Related Art Conventionally, as metal caps, there are an aluminum pill fur proof cap, an aluminum ring pull cap (cups), a screw cap, and the like. Among these, a cap having a pill fur proof property (PP property) is used. ,
There was a cut surface of metal, and there was a risk of cutting hands. On the other hand, plastic caps include shochu cups, Western sake, screw caps used for soy sauce, mentsuyu, pill fur proof caps used for drinking water, mentsuyu, hinge caps used for foods, and the like.
If these plastic caps need to be rotated, they need to be high enough to be easy to grasp,
The material requirements are high. In particular, the cap price became expensive when it became wide-mouthed.

[0003]

SUMMARY OF THE INVENTION Accordingly, the present invention solves the above-mentioned problems, and in order to reduce the material cost, the pill fur proof cap has a threaded portion which is pushed upwards. The lower part is provided with a pill fur proof band. This makes it possible to apply the plastic cap to the wide-mouth cap in terms of cost.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a sealing structure for a cap and a bottle according to the present invention has a mouth portion and a groove formed all around under the mouth portion, and a groove portion is formed at a lower portion thereof. A skirt portion having a jaw portion protruding in the outer diameter direction and a lower portion of the chin formed substantially horizontally, and a skirt portion having a top plate portion and hanging down from the periphery thereof. A pill fur proof band is provided below the skirt portion via a bridge, and a projection fitted on the inner periphery of the skirt portion to fit into the groove of the bottle mouth portion. And a cap having a convex portion protruding below the lower jaw on the inner surface of the pill fur proof band.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIG.
This will be described in detail with reference to FIG. The bottle of the present invention is made of glass,
Although it may be made of resin, it has a mouth portion 1 having a cylindrical shape with an opening at the top, and the mouth portion 1 includes a mouth portion 3 and a mouth portion 1 from the top.
In the outer periphery, a circumferential groove 4 is formed over the entire periphery below the mouth 3.
have. Further, the lower portion has a jaw portion 5 which gradually expands in the outer diameter direction in a tapered shape, and the lower end thereof forms a substantially horizontal flat jaw lower portion 6. The other parts differ depending on the type of the bottle, but in the case of a glass bottle, as shown in FIG. 1, it has a straight mouth portion 7 in a hanging direction and a bead portion 8 at the lower part.

On the other hand, the corresponding cap 2 is made of resin, has a top plate portion 9 on the top surface, a skirt portion 10 hanging down from the periphery thereof, and a bridge 12 at a lower end of the skirt portion 10. Pill fur proof band 13 through
have. Further, a protruding piece 11 extending in a radial direction from a part of the lower end of the skirt portion 10 is formed to provide a push-up portion at the time of opening. The inner surface of the cap skirt portion 10 has a projection 14 that fits into the groove 4 of the bottle opening 1. Further, a convex portion 15 is formed on the inside of the pill fur proof band so as to enter the lower jaw 6.

[0007] For a shochu cup (PET bottle, made of glass) or the like, a packing material 16 is provided on the inner surface of the top plate 9 to improve airtightness. In the embodiment, the case where the packing material 16 is provided is shown, but the packing may not be used mainly for the sake cup of the glass bottle. Further, in order to prevent the cap 2 from spinning, it is preferable to form a convex portion on a part of the outer periphery of the bottle opening 1 near the groove 4 or the jaw portion 5 and to form a concave portion at a corresponding position on the cap 2 side. Basic, but not necessarily convex,
The recess need not be provided. The bridge 12 includes the projecting piece 11
The bridge 12 is made to be easily cut as the distance from the position closer to the symmetry is gradually increased. In addition, to open the bridge 12 so that it does not cut due to mischief,
For example, use a spoon handle with a pill fur proof band 13
It is conceivable to insert the inside of the box and open it by pushing up the protruding piece 11 while expanding the outside.
In order to prevent this, it is preferable to provide a bead portion 8. At that time, the bead of the bead portion 8 has the convex portion 1
It is necessary to make it larger than the forehead of No. 5. Further, the gap between the bead portion 8 and the convex portion 15 is desirably about 1 to 2 mm.

[0008] Next, the mounting of the bottle will be described. Push cap 2 from the top of the bottle. Then, the convex portion 15 first spreads along the tapered portion below the groove portion 4, finally climbs over the jaw portion 5 and enters the lower jaw portion 6. with this,
The protrusion 14 is fitted in the groove 4. In order to prevent the pill fur proof band 13 from being cut when the pill fur proof band 13 is pushed in, the chin 5 of the bottle is put on the pill fur proof band 1 of the cap 2.
When the vehicle 3 gets over, the part which is easy to extend is widened and mounted. The bridge 12
Is thicker, the breakage of the bridge 12 is prevented. Therefore, the bridge 1 far from the position of the projecting piece 11
It is molded so that it is easily stretched by about two.

[0009] The sealing is maintained by the plastic cap 2.
Are attached to the bottle groove portion 4 and the jaw portion 5 by the protrusions inside. The top part uses a packing method and a cap 2
A method of sealing with the main body can be adopted.

When the cap 2 is opened, the protruding piece 11 (extruding 2-3 mm outward) is pushed upward. At this time,
When the bridge 12 below the protruding piece 11 is cut off, the inner projection 14 of the main body of the cap 2 gets over the chin 5. Normally, the pill fur proof band 13 remains in the bottle opening 1 after opening, but in order to remove the pill fur proof band 13 from the bottle, a thin portion is provided in a part of the pill fur proof band 13 and the bridge 12 After the is cut, the thin portion may be cut apart. When the cap 2 is to be re-plugged, the protrusion 14 is again pressed by pushing the cap 2 main body.
Can be fitted into the groove 4.

FIG. 3, which is another embodiment, is based on a resin bottle, and FIG. 4 is based on a resin or glass bottle. One outer periphery has a circumferential groove portion 4 over the entire periphery below the mouth portion 3. Further, the lower portion has a jaw portion 5 which gradually expands in a tapered outer diameter direction. The configuration of the glass bottle is different from that of the glass bottle, such as the position of the groove, the case where there is a circumferential groove in addition to the groove, and the like, but the basic configuration of the present invention is the same and has the basic configuration of the present invention. If it is, it can be applied to other bottles.

[0012]

As described above, according to the sealing structure of the cap and the bottle of the present invention, the size of the cap can be reduced while having the pill fur proof property.
Material costs can be reduced. Thus, the application of the plastic cap to the wide-mouth cap can be used as much as possible in terms of cost. As described above, the present invention greatly contributes to the industry.

[Brief description of the drawings]

FIG. 1 is a partially cutaway sectional view showing one embodiment of the present invention.

FIG. 2 is a cross-sectional view of one embodiment of the present invention.

FIG. 3 is a partially cutaway sectional view showing a second embodiment of the present invention.

FIG. 4 is a partially cutaway sectional view showing a third embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Mouth part 10 Skirt part 2 Cap 11 One protruding part 4 Groove part 12 Bridge 5 Jaw part 13 Pilfer proof band 6 Lower part of jaw 14 Projection part 9 Top plate part 15 Convex part

Claims (1)

[Claims] 1. A groove portion is formed over the entire periphery of the mouth portion and below the mouth portion, and a jaw portion protruding in the outer diameter direction and a jaw lower portion formed substantially horizontally are continuously provided below the groove portion. A skirt portion having a top plate portion and hanging down from the periphery thereof, and having a projecting piece in a radial direction from a part of a lower end of the skirt portion, and a bridge below the skirt portion via a bridge. The pill fur proof band is provided, and the skirt portion has a projection on the inner periphery which fits into the groove of the bottle mouth portion, while the pill fur proof band inner surface has a protruding convex shape protruding under the lower jaw. A sealing structure between a cap and a bottle, comprising a cap having a portion.