JPH0534151U - Cap - Google Patents

Abstract

(57) [Summary] [Purpose] If a synthetic resin inner lid and a cap that is integrally provided with an outer lid via a hinge is attached to the mouth of the container, Providing a cap that can be very easily removed from the container when it is consumed and the container is collected and reused. [Structure] A synthetic resin inner lid having a tubular portion and a top wall is integrally provided with an outer lid via a hinge, and a weakening line is formed at a position corresponding to the hinge 4 in the top wall 1 portion. Further, a weakening line was formed so as to be continuous with the weakening line and extend from the upper end to the lower end of the tubular portion.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a cap that is used by being attached to the mouth of a container such as a bottle.

[0002]

[Prior Art]

 Conventionally, a cap of the type shown in FIG. 4 has been widely used. The present invention is an improvement of this type of cap, so this cap will be described first. In the figure, a is a synthetic resin cap, and an inner lid b and an outer lid c are integrally provided by a hinge d. Reference numeral e denotes an inner cylinder, which is pressed and fitted together with an outer cylinder indicated by f to hold the mouth of the container g. Reference numeral h represents an engagement protrusion, and i represents an engagement recess. Further, j is a blocking wall, k is a fissure, l is a tearing member such as a pull ring, and m is a spout. The hinge d may be any hinge, but generally, two kinds of hinges n and o having different lengths are provided as shown in the figure. When the lid c is opened and the content liquid (not shown) in the container g is poured out, the outer lid c does not hang down, and is used for keeping the state as it is.

[0003]

[Problems to be solved by the device]

 However, the above conventional cap has the following drawbacks. That is, when the container g is collected and reused, the cap a is unlikely to come off from the mouth of the container g. The difficulty of disengagement is that it is difficult to disengage because the engagement projection h of the outer cylinder f is press-fitted into the engagement recess i of the mouth of the container g as described above. However, in the case of a large amount, the twisting is troublesome. The present invention has been made to solve such a problem, and the purpose thereof is to form a container made of synthetic resin, in which the outer lid is integrally provided via a hinge to the inner lid. The object is to provide a cap that can be very easily removed from the mouth of the container and that facilitates the recovery of the container.

[0004]

[Means for Solving the Problems]

 This invention which achieves the above-mentioned object is described as follows: an inner lid 3 made of synthetic resin and comprising a top wall 1 and a cylindrical portion 2 covering the outer periphery of the mouth of a container; An integrally formed outer lid 5; a weakening line 6 formed on a portion of the top wall 1 and corresponding to the hinge 4; an upper end portion of the tubular portion 2 continuous with the weakening line 6; The cap is characterized by comprising a weakening line 9 formed from 7 to the lower end portion 8.

[0005]

[Action]

 When the cap of the present invention is attached to the mouth of a container such as a bottle and the container is to be collected and reused after the contents of the container are used, the outer lid 5 can be picked and pulled outward. The hinge 4 tears off the weakening line 6 formed on the top wall 1, and then tears off the weakening line 9 formed on the tubular portion 2. For this reason, the attachment of the inner lid 3 to the mouth portion of the container becomes very loose and very easy to remove. Therefore, it can be easily removed and the container can be easily collected.

[0006]

【Example】

 1 to 3, reference numeral 3 denotes a synthetic resin inner lid, and the inner lid 3 is integrally provided with an outer lid 5 via a hinge 4. Reference numeral 1 is a top wall of the inner lid 3, and 2 is a cylindrical portion that covers the outer periphery of the mouth of the container. A weakening line 6 is formed in a part of the top wall 1 and a part corresponding to the hinge 4. The weakening line 6 is formed in a groove shape as an example, but it may be an outer perforation or the like, or a combination thereof, as long as it is a linear portion that is weaker in strength than other portions. Absent. Reference numeral 9 denotes a groove-shaped weakening line which is continuous with the weakening line 6 and is provided from the upper end 7 to the lower end 8 of the tubular portion 2. The weakening line 9 may also be a groove-shaped outer perforation or a combination thereof. Next, the hinge 4 is composed of two kinds of long hinges 11 and short hinges 12 having different lengths. I am supposed to do it. In FIG. 2, 13 is a blocking wall for blocking the flow of fluid, 14 is an endless fissure, and 15 is a tearing member.

Although the weakening lines 9 are shown formed on both the left and right sides of the hinge 4, respectively, only one of them may be formed. Reference numeral 16 is an engaging protrusion, which engages with an engaging recess formed in the mouth of the container (not shown), and the tubular portion 2 is pressed against the outer periphery of the mouth of the container. Although not shown in the drawings, there is no problem even if the cylindrical portion 2 has a thread formed inside thereof and is screwed into a container, and this invention also includes such an inner lid. Is.

Further, although the weakening line 6 and the weakening line 9 are shown in a groove shape on the outer side of the inner lid 3, the present invention is not limited to this and may be formed on the inner side. The weakening line 6 and the weakening line 9 are both formed to have a strength such that the weakening line 6 and the weakening line 9 are split by pulling the outer lid 5 outward. Further, as shown in the figure, the upper ends of the weakening line 6 and the weakening line 9 are both formed at the base of the hinge 4, so that when the outer lid 5 is pulled outward, the weakening line 6, Also, stress is likely to be concentrated on the upper end portion of the weakening line 9, which makes it easy to tear. Further, since the outer lid 5 is formed in a concave shape, the outer lid 5 is formed so as to easily apply a force when it is pulled outward by a finger.

[0009]

[Effect of the device]

 The present invention is configured as described above, and forms a weakening line 6 in a part of the top wall 1 of the inner lid 3 and a portion corresponding to the hinge 4, and is continuous with the weakening line 6. By forming the weakening line 9 from the upper end 7 to the lower end 8 of the tubular portion 2, by pulling the outer lid 5 to the outside, it is easily torn from the weakening line 6 and the weakening line 9 and removed from the mounted container. It can be facilitated and the recovery of this container can be facilitated. Another advantage is that the cap can be easily recovered.

[Brief description of drawings]

FIG. 1 is a perspective view of a cap according to an embodiment of the present invention.

FIG. 2 is also a partial cross-sectional view of the cap.

FIG. 3 is also a bottom view of the cap.

FIG. 4 is a cross-sectional view of a conventional cap of the same type when mounted in a container.

[Explanation of symbols]

 1 Top Wall 2 Cylindrical Part 3 Middle Lid 4 Hinge 5 Outer Lid 6 Weakening Line 7 Upper End 8 Lower End 9 Weakening Line

Claims (1)

[Scope of utility model registration request] 1. An inner lid 3 formed of a synthetic resin and comprising a top wall 1 and a cylindrical portion 2 covering the outer circumference of the mouth of a container; an outer lid integrally provided on the inner lid 3 via a hinge 4. 5; a weakening line 6 formed in a portion of the top wall 1 and corresponding to the hinge 4; continuous from the weakening line 6 and formed from the upper end 7 to the lower end 8 of the tubular portion 2. A weakening line 9.