JP2005289488A - Drop preventive cap - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a screw cap which is not dropped or lost after opening. <P>SOLUTION: This drop preventive bottle cap comprises a sealing ring formed at the bottom of the screw part of a bottle opening part and a screw cap jointed breakable with the sealing ring by a small joint. A spiral separation slit is formed in the skirt part formed at the bottom of the screw cap, and a string-like joint member is formed continuously in the slit connecting the cap and the ring roughly linearly in the cap turning direction. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

   The present invention relates to a cap that prevents the cap from being removed when the screw cap of the bottle is opened.

Since it is often removed after opening the cap of the beverage PET bottle, there has been a request whether it can be prevented or not. However, when trying to solve this problem by attaching a connecting string of another part to the current cap, the cost increased due to two parts, and it was not adopted.
Although there is a hinge cap used in soy sauce bottles etc. as a cap with a lid support mechanism, it is poor in liquid tightness after opening the inner plug, it can be applied for stationary use, but it is carried and inverted Not applicable to some soft drink bottles.
In order to solve this problem, Japanese Patent Application Laid-Open No. 11-70967, Japanese Patent No. 3074173, Japanese Patent Application Laid-Open No. 2002-154572, Japanese Patent Application Laid-Open No. 2002-68272, etc. have been proposed. Because it protrudes outward, it can be a hindrance when you hold your hand when opening the cap, or the conventional wrapping machine (capper) cannot be used for filling and sealing. Since it is supported right next to the bottle, there is a problem that the cap gets in the way when drinking directly from the bottle mouth.
JP-A-11-70967 Japanese Patent No. 3074173 JP 2002-154572 A JP 2002-68272 A

  After opening the screw cap of the bottle, provide a screw cap that will not drop off or lose.

That is, the present invention
“1. In a bottle cap comprising a sealing ring provided below the threaded portion of the opening of the bottle and a screw cap that is severably coupled to the sealing ring by a small connecting portion, the skirt portion disposed below the screw cap An anti-drop-off cap formed by providing a spiral cut slit, forming a continuous string-like connecting member between the slits, and connecting the screw cap and the sealing ring substantially linearly in the screw direction of the cap by the connecting member. .
2. The separation slit is a parallel line, and it is a plurality of slits that circulate around the skirt part and are not connected at both ends, and one end of the slit near the screw cap is connected to one end of the slit far from the other screw cap by the central separation slit The removal prevention cap according to item 1, which is a slit.
3. The removal preventing cap according to claim 1, wherein the separation slit is a slit having a depth penetrating the skirt portion, and the slit-like connecting member formed by the slit is connected to the sealing ring in a severable manner. .
4). 4. The string-like connecting member formed between the separation slits is a string-like connecting member having one end connected to the screw cap and the other end connected to the sealing ring when the screw cap is opened. The drop prevention cap described in item 1. "
About.

  In the cap of the present invention, even when the cap is opened, the cap is connected to the bottle with a connecting member, so that the cap is not removed or lost. Further, when capping, the conventional capper can be used and tightened without extensive modification.

In a bottle using a screw cap, the screw cap is fixed in a severable manner by a sealing ring provided below the screw opening portion of the bottle below the screw portion and a large number of small connecting members. The present invention uses this sealing ring and the skirt part below the screw part of the cap to form a string-like connecting member that connects the screw cap and the sealing ring, and the cap is removed or lost when the cap is opened. This is to prevent this.
Embodiments will be described with reference to the drawings. The string-like connecting member 5 is easy to form using the skirt portion 2 of the cap. A string having a spiral cut slit 4 in the skirt portion 2 of FIG. 1 and at least one round of the skirt portion, one end coupled to the upper portion of the skirt portion connected to the lower portion of the cap, and the other end coupled to the upper portion of the sealing ring 3 Forming a shaped member. A large number of small connecting portions are connected to the inside of the slit, and the cap, the slit portion, and the sealing ring are integrally formed.
The sealing function is the same as the conventional one.
Of course, such a string-like body may be fitted between the cap and the sealing ring.
In addition, as shown in FIG. 2, two parallel slits 4 are arranged in the skirt portion 2 so as to go around the skirt portion, and the thin skirt portion at the top of the upper slit is connected to the cap 1, A narrow skirt at the lower part of the slit 4 is severably connected to the sealing ring 3 by a small connecting part 6, and one end at the upper part and one end at the lower part of the slit are provided between them. The slits 7 may be connected obliquely by the separating slit 7, and the string-like connecting piece having such a structure may be fitted between the cap and the sealing ring.

The place where the screw cap thus formed is opened and opened will be described.
When the screw cap shown in FIG. 1 is opened, the spiral slit 4 is cut into a string shape. Since the skirt part 2 above the upper slit is connected to the lower part of the screw cap 1 and the skirt part below the lower slit is connected to the sealing ring, as shown in FIG. In addition, since a string-like connecting member 5 is formed in which one end is connected to the cap and the other end is connected to the sealing ring, the cap is connected to the bottle and is not dropped or lost.
In the case of the non-spiral slit of FIG. 2, the string-like connecting member 2 separated by the slit 4 is connected to the cap by the small connecting portion 6, so that when the cap is opened, the small connecting portion 6 is cut, The slit 4 is also cut off. The two slits are connected by a central slit, and as shown in FIG. 4, one string-like connecting member is formed in which one end is connected to the cap and the other end is connected to the sealing ring.

Since the cap is connected to the sealing ring, even if it is removed, it does not leave the bottle as shown in FIG.
When the cap is opened, the small connecting portion connecting the slits and connecting the string-like connecting member is cut, the string-like connecting member becomes one string, and the cap and the sealing ring are connected at one end. The cap and sealing ring are then separated. Because of this shape, even if the cap is removed, it will not be removed, and no loss will occur.
The length of the string-like connecting member is determined as appropriate, but it is sufficient if the length of the screw cap goes around the cap at least as long as the screw cap is removed from the bottle nozzle.
The string-like connecting member can be made of the same material as the screw cap. In this case, for example, when a screw cap is manufactured by injection or compression molding, a skirt portion is formed below the screw cap, and a slit is formed therein to form a string-like member. In addition, it is only necessary to manufacture a string-like connecting member with slits using a material different from that of the cap, place this between the screw cap and the sealing ring, and connect the ends to the screw cap and the sealing ring, respectively. . This method is advantageous when the cap and the string-like connecting member are formed of different materials.
As a material for forming the cap and the string-like connecting member, polyethylene, polypropylene, nylon, pet, or the like is used, and these can be molded simultaneously.

  The cap shown in FIG. 1 was manufactured by injection molding using polypropylene as a material. This cap was wound and joined to the mouth of a beverage PET bottle filled with water with a capper. Next, the screw cap of the sealed bottle was rotated by hand to open the bottle. When the cap is dropped, it is connected to the cap skirt member and the sealing ring by the string-like connecting member, and there is no fear of dropping or losing.

  The present invention solves the problem of cap removal and loss that occurs when a cap is opened, which cannot be solved conventionally, and is widely used in the field of bottles using screw caps.

It is explanatory drawing of the cap of the Example of this invention. It is explanatory drawing of the cap of the other Example of this invention. It is explanatory drawing which shows the place which opened the cap of FIG. It is explanatory drawing which shows the place which opened the cap of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Screw cap 2 Skirt part 3 Sealing ring 4 Slit 5 String-like connection member 6 Small connection member 7 Central slit

Claims (4)

  In a bottle cap consisting of a sealing ring provided below the threaded portion of the opening of the bottle and a screw cap that is severably coupled to the sealing ring at the small connecting portion, a spiral shape is formed on the skirt portion disposed below the screw cap. A drop-off prevention cap that is formed by providing a separation slit, forming a continuous string-shaped connecting member between the slits, and connecting the screw cap and the sealing ring in a straight line shape in the screw direction of the cap.   The separation slit is a parallel line, and it is a plurality of slits that circulate around the skirt part and do not connect both ends, and one end of the slit near the screw cap is connected to one end of the slit far from the other screw cap by the central separation slit The cap for preventing dropping according to claim 1, wherein the cap is a slit.   The removal prevention according to claim 1, wherein the separation slit is a slit having a depth penetrating the skirt portion, and the slit-like connecting member formed by the slit is connected to the sealing ring in a severable manner. cap. 4. The string-like connecting member formed between the separation slits is a string-like connecting member having one end connected to the screw cap and the other end connected to the sealing ring when the screw cap is opened. The drop prevention cap described in item 1.

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