JP2007230621A - Hinge cap capable of storing scheduled opening part removed from cap - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a hinge cap capable of storing a removed scheduled opening part generated when a pouring-out opening is formed at a top plate of a cap body into the cap and further capable of effectively preventing the scheduled opening part from being discarded. <P>SOLUTION: This hinge cap comprises a cap body constituted of a top plate and a skirt suspended down from the top plate in which a scheduled opening part defined by a score is formed at the top plate, a pouring-out nozzle is formed to enclose the score and a threaded part is formed on the inner surface of the skirt, and an upper lid composed of a top surface and a side wall suspended from the top surface in which a re-sealing annular protrusion is formed at the inner surface of the top surface and the upper lid is hinge-connected to the top plate of the cap body so as to cover the top plate of the cap body. A holding part for use in holding the scheduled opening part removed after opening a plug is formed inside the re-sealing annular protrusion at the upper lid and the inner peripheral surface of the holding part forms at least a part of a shape corresponding to an outer edge shape of the scheduled opening part. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a hinge cap, and more particularly, to a hinge cap that can accommodate a planned opening portion removed from the cap, which is generated when a score is broken to form a dispensing opening.

As a cap applied to the container mouth portion, there has conventionally been a cap body fixed to the container mouth portion, and a hinge cap comprising a top lid that is hinged to the cap body and covers the dispensing opening formed on the top plate portion of the cap body. Widely used.
In such a hinge cap, since the upper lid that covers the dispensing opening is integrally connected to the cap body, the upper lid is not detached from the container mouth, and the upper lid may be lost or dropped and soiled. Therefore, it has been proposed to use it for containers such as small plastic bottles containing beverages (Patent Document 1).

JP 2003-165559 A

  However, in the case of a hinge cap of the type in which the consumer forms a dispensing opening by removing the planned opening portion partitioned by the score formed on the top plate portion of the cap body when starting to use the content, When a thing is a seasoning etc., it often breaks a score mainly in a house etc. to form an opening for pouring, and it is easy to discard the removed opening scheduled part in a trash can. However, when the contents are beverages, there may be a case where the opening for pouring is formed even in a place other than the place where the trash can is located. In such a case, it is complicated or inconvenient to carry the removed opening planned portion. Further, there is a possibility that the removed opening planned portion is discarded other than the trash can.

  Therefore, the object of the present invention is to be able to store the removed planned opening portion that is generated when the opening for pouring is formed in the top plate portion of the cap body in the cap, and when the pouring opening is formed in a place where there is no trash can Another object of the present invention is to provide a hinge cap in which it is not necessary to carry around the removed planned opening portion, and it is effectively prevented that the removed planned opening portion is illegally discarded.

  According to the present invention, a top plate portion and a skirt portion depending from the top plate portion are formed. The top plate portion is formed with a planned opening portion partitioned by a score, and a pouring nozzle is formed so as to surround the score. A cap body having a threaded portion on the inner surface of the skirt portion, a top surface and a side wall depending from the top surface, and an annular protrusion for resealing is formed on the inner surface side of the top surface so as to cover the top plate portion of the cap body In the hinge cap comprising an upper lid hingedly connected to the top plate portion of the cap body, a holding portion is formed inside the annular projection for resealing the upper lid to hold the planned opening portion removed after opening the cap. The hinge cap is characterized in that the inner peripheral surface of the portion forms at least a part of a shape corresponding to the outer edge shape of the planned opening portion.

According to the hinge cap of the present invention,
1. The holding portion is formed by a resealing annular projection and a retaining projection provided inside the resealing annular projection;
2. The cap body includes a top plate portion and a skirt portion, an opening is formed in the top plate portion, a pouring nozzle is formed so as to surround the opening, and a cap fixing portion having a screw portion on the inner surface of the skirt portion And a two-piece structure comprising an inner plug in which an opening planned portion is formed at a position corresponding to the opening of the top plate portion of the cap fixing portion. Being
Is preferred.

In the hinge cap of the present invention, the planned opening portion removed from the cap, which is generated when the opening for pouring is formed on the top plate portion of the cap body, can be stored in the cap, and is poured out in a place where there is no trash can. Even when the opening is formed, it is not necessary to separately have the removed planned opening portion, and it is possible to prevent unreasonable disposal of the removed planned opening portion.
Further, in the hinge cap of the present invention, since it is a hinge cap, it can be opened with one touch at the time of reuse, and since the upper lid does not come off from the container mouth portion, the cap may be lost and cannot be resealed. There is also an advantage of not.
In addition, since the cap body fixed to the container mouth portion can be formed of different materials by combining the cap fixing portion, the inner plug and / or the outer peripheral wall, heat resistance and mechanical strength It is possible to provide a cap having sealing properties.

FIG. 1 is a side sectional view showing a closed state in which an example of a hinge cap of the present invention is fixed to a container mouth, and FIG. 3 is a side view of the hinge cap shown in FIG. 3, FIG. 3 is a top view of the hinge cap shown in FIG. 1, FIG. 4 is a plan view of the hinge cap shown in FIG. 1, and FIG. 6 is a bottom view of the hinge cap shown in FIG. 1 in the opened state, and FIG. 6 is a closed state in the hinge cap shown in FIG. 1 in which a dispensing opening is formed and the detached opening is stored in the upper lid. FIG. 7 is a side cross-sectional view of the hinge cap shown in FIG. 1 in a state where the opening is formed in a state in which the opening for dispensing is formed and the detached opening is stored in the upper lid.

The hinge cap 1 of the present invention shown in FIG. 1 to FIG. 7 generally includes a cap body 7 that is screwed into the container mouth portion 2 and an upper lid 6 that covers the container mouth portion. Between the cap fixing portion 3 screwed into the container mouth portion, the outer peripheral wall 4 positioned so as to cover the skirt portion 32 of the cap fixing portion 3 from the outside, the tip of the container mouth portion 2 and the inner surface of the cap fixing portion top plate portion. This is a three-piece type composite hinge cap composed of the inner plug 5 positioned.
In this embodiment, the skirt portion of the cap body 7 includes the skirt portion 32 of the cap fixing portion 3 and the side wall portion 41 of the outer peripheral wall, and the top plate portion of the cap main body 7 includes the top plate portion 31 of the cap fixing portion 3 and the outer periphery. It consists of an annular top plate portion 42 of the wall 4 and a top plate portion 50 of the inner plug 5.

The cap fixing portion 3 includes a top plate portion 31 and a skirt portion 32, and an opening 33 is formed substantially at the center of the top plate portion 31, and a pouring nozzle 34 is formed so as to surround the opening 33, and the skirt portion A screw part 35 is formed on the inner surface of 32 and is screwed with the screw part 21 formed in the container mouth part 2.
Further, a tamper evidence band 37 is formed at the lower end of the skirt portion 32 via a weakening portion 36, and the engaging protrusion 22 formed on the container mouth portion 2 is formed on the inner surface of the lower end of the tamper evidence band 37. An engaging portion 38 is formed to engage with.
An annular projection 39 is formed in the vicinity of the opening end of the top plate portion 31 of the cap fixing portion so as to form a seal portion in close contact with an annular recess of the inner plug 5 described later.

Generally speaking, the outer peripheral wall 4 is an annular shape that extends inward from the upper end of the side wall 41 and the side wall 41 that covers the cap fixing part skirt part 32 from the outside, and contacts the outer peripheral edge of the top plate part 31 of the cap fixing part. The upper cover 6 is connected to the top plate portion 42 and the side wall portion 41 by a hinge 43.
The annular top plate portion 42 is formed with an annular engagement portion 44 for fixing the upper lid 6 in the closed state.
Further, as is clear from FIG. 2, the cap fixing portion and the outer peripheral wall are prevented from co-rotation or poured out by fitting the convex portion 30 at the lower surface of the cap fixing portion and the notch 45 at the lower end of the outer peripheral wall. Positioning can be performed when a drinking mouth is provided in the nozzle.

The inner plug 5 has an inner ring 51 that is in close contact with the inner surface of the container mouth portion 2 on the lower surface, and a planned opening portion 53 that is partitioned by a score 52 at a position corresponding to the opening 33 of the cap fixing portion top plate portion. A grip portion 54 for breaking the score 52 is formed on the planned opening portion 53 via a support column 55.
An annular recess 56 corresponding to the annular protrusion 39 of the cap fixing portion is formed on the upper surface of the inner plug 5. By fitting the annular protrusion 39 and the annular recess 56, the inner stopper 5 is pressed from above to improve the sealing performance of the container mouth portion 2 and the inner stopper 5, and the content liquid is placed between the cap fixing portion and the inner portion when the container is used. It is possible to prevent leakage between the cap and the outside, and it is possible to prevent the score 52 from coming out from between the cap fixing portion 3 and the container mouth portion 2 when the score 52 is broken.

Generally speaking, the upper lid 6 includes a top surface 61 and a side wall portion 62 depending from the periphery of the top surface. An engaging portion 63 is formed at the lower end of the side wall portion 62 to engage with the cap fixing portion 3 and fix the upper lid 6 to the cap fixing portion 3 when the lid is closed.
Reseal for securing the liquid tightness after the score 52 formed in the inner plug 5 is broken and the planned opening 53 is removed, in close contact with the inner surface of the top nozzle 61 on the inner surface of the top surface 61 An annular projection 64 is formed. In addition, a lid opening projection 65 is formed on a portion of the top surface 61 facing the hinge.

In the present invention, as clearly shown in FIG. 4, a holding protrusion 66 is formed in the resealing annular protrusion 64 on the inner surface of the top surface of the upper lid 61. This holding protrusion 66 has a dogleg shape corresponding to the doglegged portions 52a and 52b of the score 52 formed on the inner plug 5, as shown in FIG. Thus, together with the portion 64a of the arc ABC of the reseal annular projection 64, a holding portion corresponding to the outer edge shape of the opening portion 53 of the inner plug 5 is formed, and the score 52 is broken and the opening removed from the inner plug 5 is formed. The planned portion 53 can be fitted into the holding portion such that the grip portion 54 and the support column 55 are on the side of the dispensing opening.
As shown in FIG. 8, the outer peripheral edge of the planned opening portion 53 removed from the cap can be held in the holding portion by being in pressure contact with the inner peripheral surface of the holding protrusion 66 and the resealing annular protrusion 64a. Further, as shown in FIG. 9, a fixing protrusion 67 is formed on the inner peripheral surface of the holding protrusion 66 and the reseal annular protrusion 64 a, and the outer peripheral edge of the planned opening portion 53 removed by the fixing protrusion 67. May be held.

In the hinge cap of the present invention, it is important that the holding portion formed on the inner surface side of the top surface of the upper lid corresponds to the outer edge shape of the planned opening portion, and various changes are made according to the outer edge shape of the planned opening portion. Needless to say.
That is, as shown in FIGS. 1 to 7, when the planned opening portion has a portion that coincides with the arc of the reseal annular projection, the reseal annular projection can be used as a part of the holding portion. If the planned opening is much smaller than the reseal annular projection, etc., the holding part is formed by forming the shape corresponding to the planned opening with only the retaining projection without using the reseal annular projection. it can.
In addition, it is preferable that the holding portion completely matches the outer edge shape of the planned opening portion in order to securely store the removed planned opening portion in the upper lid. However, as shown in FIG. In cases such as when fixing protrusions are formed on the ridges, it is possible to store the removed planned opening portion in the upper lid by holding the outer edge of the planned opening portion at a plurality of locations. The shape may not be the same.

In the hinge cap of the present invention, in addition to the three-piece structure cap shown in FIGS. 1 to 7, a two-piece structure hinge cap or one-piece structure is used as long as the holding portion is formed on the top inner surface side of the upper lid. A hinge cap may be used.
The hinge cap having a two-piece structure shown in FIG. 10 is roughly a two-piece structure having a cap fixing portion 70 having an upper lid 71 connected by a hinge 73 and an inner plug 72. The structure is almost the same except that the cap fixing portion and the outer peripheral wall in the three-piece structure shown in FIG.
In this embodiment, the skirt portion 70a of the cap fixing portion 70 constitutes a cap main body skirt portion, and the top plate portion 70b of the cap fixing portion 70 and the top plate portion 72a of the inner plug 72 constitute a cap main body top plate portion.

Further, the two-piece hinge cap shown in FIG. 11 is roughly a two-piece structure comprising a cap fixing portion 80 and an outer peripheral wall 81 in which an upper lid 82 is connected by a hinge 83. FIG. The structure is substantially the same except that the cap fixing portion and the inner plug in the three-piece structure shown in Fig. 7 are integrally formed.
In this correspondence, the skirt portion 80a of the cap fixing portion 80 and the side wall portion 81a of the outer peripheral wall 81 constitute a skirt portion of the cap body, and the top plate portion 80b of the cap fixing portion 80 and the annular top plate portion 81b of the outer peripheral wall 81 are included. Constitutes the cap body top plate.
Although not shown, the structure is substantially the same even if the one-piece structure is formed by integrally molding all the members of the three-piece structure shown in FIGS.

In order to open the hinge cap of the present invention, the gripping portion is first pulled upward, the score is broken, and an opening for dispensing is formed. Once the dispensing opening is formed, it is only necessary to lift the upper lid, and the opening / closing operation can be performed with one touch. Further, as described above, by fitting the planned opening portion that has been broken from the score and removed from the cap into the holding portion in the upper lid, the planned opening portion can be fixed to the upper lid without falling off the upper lid. The upper lid and the attached opening planned portion do not get in the way even when the contents are drunk directly.
Moreover, even if the hinge cap of the present invention has a two-piece or three-piece structure having a cap fixing portion and an outer peripheral wall, the rotation of the outer peripheral wall alone can be prevented by positioning the cap fixing portion and the outer peripheral wall. The weakened portion connecting the tamper evidence band formed at the lower end of the cap fixing portion can be broken by gripping and turning in the lid opening direction, and the entire cap can be easily removed.

The hinge cap of the present invention can be formed by molding each member by injection molding, compression molding or the like using a resin conventionally used for a plastic cap and combining them.
In the case of a two-piece or three-piece structure, each member can be formed of a different resin. For example, the cap fixing part and the outer peripheral wall are made of polypropylene having high mechanical strength or heat resistance, and the inner plug is A cap excellent in mechanical strength, heat resistance, sealability, or openability can be provided by forming and combining with polyethylene or the like excellent in sealability or score breakability.

It is a sectional side view of the closed state which fixed the example of the hinge cap of this invention to the container opening part. It is a side view of the hinge cap shown in FIG. It is a top view of the hinge cap shown in FIG. It is a top view in the open state of the hinge cap shown in FIG. It is a bottom view in the open state of the hinge cap shown in FIG. FIG. 2 is a side cross-sectional view of the hinge cap shown in FIG. 1 in a closed state in which a dispensing opening is formed and a detached opening planned portion is housed in an upper lid. FIG. 2 is a side cross-sectional view of the hinge cap shown in FIG. 1 in an opened state in a state where a dispensing opening is formed and a detached opening planned portion is stored in an upper lid. It is a figure for demonstrating a holding | maintenance part. It is a figure for demonstrating the other aspect of a holding | maintenance part. It is a sectional side view which is a figure which shows an example of the hinge cap of 2 piece structure of this invention. It is a sectional side view which is a figure which shows another example of the hinge cap of the 2 piece structure of this invention.

Explanation of symbols

1 hinge cap, 2 container mouth, 3 cap fixing part, 4 outer peripheral wall, 5 inside plug,
6 upper lid, 31 cap fixing part top plate part, 32 cap fixing part skirt part,
33 opening, 34 dispensing nozzle, 35 screw part, 36 weakening part,
37 tamper evident band, 38 engaging part, 39 annular projection,
41 side wall portion, 42 annular top plate portion, 43 hinge portion, 44 annular engagement portion,
51 inner ring, 52 score, 53 scheduled opening, 54 gripping part,
55 struts, 56 annular recess, 61 top lid top surface, 62 top lid side wall,
63 engaging portion, 64 reseal projection, 65 lid opening projection, 66 holding projection,
67 Fixing protrusion.

Claims (3)

It consists of a top plate portion and a skirt portion depending from the top plate portion. The top plate portion is formed with a planned opening portion partitioned by a score, and a pouring nozzle is formed so as to surround the score, and the inner surface of the skirt portion A cap body having a threaded portion, a top surface and a side wall depending from the top surface, and an annular protrusion for resealing is formed on the inner surface side of the top surface, and a hinge is attached to the cap body top plate portion so as to cover the top plate portion of the cap body In a hinge cap consisting of a connected top lid,
A holding portion is formed inside the annular projection for resealing the upper lid to hold the planned opening portion removed after opening, and the inner peripheral surface of the holding portion corresponds to the outer edge shape of the planned opening portion. A hinge cap characterized by forming at least a part of the hinge cap.   The hinge cap according to claim 1, wherein the holding portion is formed by a resealing annular protrusion and a retaining protrusion provided inside the resealing annular protrusion.   The cap body includes a top plate portion and a skirt portion, an opening is formed in the top plate portion, a pouring nozzle is formed so as to surround the opening, and a cap fixing having a screw portion on the inner surface of the skirt portion And a two-piece structure comprising an inner plug formed between a container mouth end and an inner surface of the top plate portion of the cap fixing portion, and a planned opening portion formed at a position corresponding to the opening of the top plate portion of the cap fixing portion. The hinge cap according to claim 1 or 2, wherein the hinge cap is one.

Images