JPH068247U - Bottle neck for pill fur proof cap - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a bottle neck for a pill fur proof cap capable of preventing the occurrence of "thread blur". [Configuration] The screw thread 1 is attached to the bottle mouth portion near the lower end of the screw thread 1.
The raised portion 3 is formed to have the same height as the above. A screw having a clear step is formed on the cap side when the tip of the recessed ridge 4 on the lower side of the lowermost thread 1 formed on the raised portion 3 is inclined and is rolled by a screw roller. To do so. Even if the cap is rotated in the wrong direction, the screw on the cap side bites into the protrusion 3 and cannot be easily rotated.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a bottle mouth for a pill fur proof cap used in combination with the pill fur proof cap.

[0002]

[Prior art]

 In the pill fur proof cap, the body and skirt are connected by a bridge, and when the body is rotated when opening, only the body is pushed up along the threads of the bottle mouth, the bridge is cut and only the skirt is cut. It is designed to remain on the bead part of the bottle mouth. In this way, the pill fur proof cap has the advantage that the bridge is always cut when it is opened, so there is no danger of it being opened unduly before it reaches the consumer's hand, and it is widely used for sake bottles and the like. The bottle mouth for this purpose is naturally formed with a thread and an engaging portion with the skirt portion.

By the way, when a consumer opens a pill fur proof cap, he or she may mistakenly rotate it in the opposite direction. Since most pill fur-proof caps are made of thin aluminum, when rotated in the opposite direction, the cap threads may deform and overwhelm the bottle neck threads, resulting in “thread blur”. . Once this "thread ghosting" occurs, even if the cap is subsequently rotated in the correct direction, the cap threads will pass over the bottle threads and the cap will spin, causing the bridge to not open and opening the cap. Is impossible.

[0004]

[Problems to be solved by the device]

 The present invention solves the above-mentioned conventional problems, and it is difficult to rotate the cap in the wrong direction, which prevents the occurrence of "thread blur". It was made to provide.

[0005]

Means for Solving the Problems The present invention made in order to solve the above-mentioned problems is to make a bottle mouth portion near the lower end portion of a thread ridge protrude at the same height as the thread ridge and to form the ridge on the ridge. It is also characterized in that the tip of the concave line on the lower side of the lowermost mountain is inclined.

[0006]

【Example】

 Hereinafter, the present invention will be described in detail with reference to illustrated embodiments. In FIG. 1, 1 is a screw thread, and 2 is an engaging portion with a skirt portion of a pill fur proof cap. In the present invention, the bottle mouth portion near the lower end portion of the screw thread 1 is formed as a raised portion 3 which is raised to the same height as the screw thread 1. Therefore, the concave line 4 on the lower side of the thread 1 at the lowermost stage is formed on the raised portion 3. The tip 5 of the groove 4 has a shape inclined by, for example, about 30 degrees with respect to the axis of the bottle. 2 is an enlarged view of the tip 5 of the groove 4, and FIG. 3 is a sectional view taken along the line AA of FIG.

In the case of a normal right-handed screw, the direction of inclination is such that the upper side is inclined to the right as shown in FIG. 2, and its cross section is formed to be relatively sharp as shown in FIG. Is preferred. The tip 5 of the groove 4 may have a shape as shown in FIG.

[0008]

[Action]

 Next, the operation of the present invention will be described. When mounting a pill fur proof cap on the bottle mouth, put the cap on the bottle mouth with a cylindrical shape without screws, and then press the cap along the thread 1 of the bottle mouth by a well-known screw roller. Then, the screw is rolled on the cap side, and the skirt portion of the cap is wound around the engaging portion 2.

At this time, the cap is deformed by the screw roller so as to be pushed inward along the groove 4 to form one screw. In the present invention, the tip 5 of the groove 4 is inclined. Thus, a firmer step is formed at the tip of the screw than if the tip 5 were vertical. That is, the screw roller rotates while being repulsed by the spring so that the tip of the screw roller is closely attached to the lower surface of the screw thread 1 of the bottle mouth and forms a screw on the cap side. If it is vertical, the screw roller will overwhelm this portion largely in the horizontal direction, and the step difference at the tip of the screw formed on the cap side will be lessened. On the other hand, in the present invention, when the tip of the screw roller passes the inclined surface, the inclined surface exerts a force that pushes the screw roller downward, so that a screw having a firm step can be formed.

As a result, the pill fur proof cap attached to the bottle mouth of the pill fur proof cap of the present invention has a firm step formed on the cap side screw even if the pill fur proof cap is rotated in the wrong direction. An extremely large torque is required for the tip to bite into the raised portion 3 and forcibly rotate it. This prevents the cap from rotating in the wrong direction and prevents "thread blur" from occurring. Further, when the screw is rotated in the correct direction, the tip of the screw on the cap side simply slides along the groove 4, so that a small torque can be rotated.

[0011]

[Effect of device]

 As described above, the bottle mouth for the pill fur proof cap of the present invention is such that the bottle mouth portion near the lower end portion of the screw thread is raised at the same height as the screw thread, and the lowermost stage formed on this raised portion is By sloping the tip of the groove below the screw thread, it is possible to prevent the cap from rotating in the wrong direction, thereby preventing the occurrence of "thread blur". . Therefore, the present invention is of great practical value as it solves the conventional problems.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is a front view showing an enlarged main part of the embodiment.

3 is a cross-sectional view taken along the line AA of FIG.

FIG. 4 is a front view showing an enlarged main part of another embodiment.

[Explanation of symbols]

 1 Thread 3 Protuberance 4 Recessed ridge 5 Tip of recessed ridge

Claims (1)

[Scope of utility model registration request] 1. A bottle cap near the lower end of the thread is raised at the same height as the thread, and the tip of a recessed line under the lowest thread formed in the raised portion is inclined. Bottle neck for pill fur proof caps.