JPH10273160A - Cap - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cap which can prevent the splash of dripping which is dropped from a pouring tube and is attached to a tube part, etc. by a shock when a cover body is closed as to a synthetic resin cap comprising a main body which is made of a tube part to be mounted on a container and an upper wall on which a pouring tube is provided, and a cover body provided with a top wall and a cover tube part through a hinge on the main body. SOLUTION: A main body 5, provided with an upper wall 3 having a pouring tube 4 on the tube part 1 tightly fitted on a container mouth part, is provided with a cover body 9 having a top wall and a cover tube part 8 through a hinge. On the upper face 10 of the tube part 1, a dripping storage goove 12, at least the bottom part of which is able to fit in the inside of the thickness 11 of the tube part 1 seen longitudinally is formed. At the lower end face 13 of the cover tube part 8, a protrusion 16 able to fit in the storage goove 12 when the cover body is closed is provided. A gap 15 is provided between the inner side wall 14 of the storage groove 12 and the protrusion 16.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cap to be attached to the mouth of a container such as a bottle.

[0002]

2. Description of the Related Art Conventionally, various types of caps to be attached to the mouth of a container have been provided on the market. One example is a snap hinge type cap as shown in FIG. Such a cap is generally formed of a synthetic resin, and a lid 9 is formed on a main body 5 mounted on a container via a hinge 6. The main body 5 has a cylindrical portion 1, an upper wall 3 integrally provided on the upper end 2 of the cylindrical portion 1, and a pipe 4 on the upper wall 3. A tearing portion 19 is formed on the inside of the groove 4 by the fissure 18. Reference numeral 20 denotes a tearing member such as a pull ring. However, although illustration is omitted, the tearing portion 19 is not formed by the crack groove 18, and a through hole is already formed inside the injection tube 4.
There is also a type in which the upper end surface of the injection cylinder 4 is closed by a synthetic resin film to which an aluminum foil is attached.

[0003]

However, the conventional cap has the following drawbacks. That is, when the cap is attached to a container (not shown), the tearing portion 19 is torn, an opening is made there, and then the container is tilted, and when the liquid content of the container is poured out from the syringe 4, The dripping liquid dripping from the injection cylinder 4 drips on the upper end 2 of the cylinder 1 and adheres thereto. Then, the lid 9 is urged by the snapshot action of the hinge 6 on the adhered liquid to be closed. Then, the attached dripping liquid may be scattered by being impacted, and may stain the clothes and the like of the user. The present invention has been made to solve such a problem, the purpose of which is to have a pouring cylinder for pouring out the contents of the container,
Further, in the cap in which the lid is integrally formed by the hinge, it is possible to prevent the dripping liquid attached on the upper end portion 2 of the cylindrical portion 1 from being scattered by the lid 9 closed by the hinge as described above. Possible to provide a cap.

[0004]

In order to achieve the above object, the present invention will be described with reference to an upper wall 3 provided integrally with an upper end portion 2 of a synthetic resin tubular portion 1 mounted on the outer periphery of the mouth of a container. A main body 5 attached to the mouth formed by erecting the injection cylinder 4 on the upper wall 3; a lid having a top wall 7 and a lid cylinder 8 provided on the main body 5 via a hinge 6; 9; an accommodation groove 12 for accommodating a dripping liquid that drips from the injection cylinder 4 and is formed on the upper surface 10 of the cylinder portion 1 with a bottom portion at least inside the thickness 11 of the cylinder portion 1 in a vertical cross-sectional view; The lower end surface 13 of the lid tube portion 8 that closes the housing groove 12 when the lid 9 is closed; the housing groove 1 provided in the lower end surface 13 in the housing groove 12 in the closed state.
A cap 16 which is inserted between the inner side wall 14 and the second inner side wall 14 with a space 15 therebetween.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described below. An upper wall 3 provided integrally with an upper end portion 2 of a synthetic resin tube portion 1 mounted on the outer periphery of a mouth portion of the container, and a mouth portion formed by erecting a pouring tube 4 on the upper wall 3 A main body 5 to be attached, a lid body 9 having a top wall 7 and a lid cylinder part 8 provided on the main body 5 via a hinge 6, and an upper surface 10 of the cylinder part 1 having at least a bottom in a vertical cross-sectional view. Formed inside the thickness 11 of the cylindrical portion 1,
An accommodating groove 12 for accommodating a dripping liquid that drips from the injection tube 4;
When the lid 9 is closed, the lower end surface 13 of the lid tube portion 8 that closes the housing groove 12, and provided in the lower end surface 13, the housing groove 12 is provided in the housing groove 12 in the closed state. And a ridge 16 inserted between the inner side wall 4 and the inner side wall 12 with a gap 15 therebetween.

According to the present invention, as described above, the liquid dripping from the injection cylinder 4 during the operation of discharging the liquid from the injection cylinder 4 is stored in the upper surface 10 of the cylinder 1. It can be accommodated in the groove 12. In addition, in this case, the accommodation groove 12 is formed at least at the bottom inside the thickness 11 of the cylindrical portion 1 in a longitudinal sectional view, and is not formed only in the upper wall 3, so that the accommodation groove 12 is relatively deep. Grooves can be formed. Further, since the strength of the main body 5 is not significantly affected, the possibility of breakage due to the impact at the time of tapping can be eliminated. Therefore, even when the lid 9 is closed by being biased by the snap action of the hinge, it is possible to prevent the dripping liquid from scattering due to the impact. Moreover, at this time, the ridge 1 on the lower end surface 13 of the lid tube 8 of the lid 7 is used.
6 is inserted into the accommodation groove 12, a gap 15 is formed between the inner groove 14 and the inner side wall 14 of the accommodation groove 12.
The dripping liquid in the inside is at least partially positioned and held in the gap 15, so that the dripping liquid located radially outward of the ridge 6 is reduced by that amount, so that the dripping liquid facing outward is reduced. It can be reduced and can be used to suppress scattering. By combining such effects, scattering to the outside of the main body 5 can be prevented.

In another embodiment, the ridge 16 is a cap having a recess 17 outside the ridge 16 and opening downward continuously to the ridge 16. The recess 17 which opens downward on the outside of the ridge 16 is located in the accommodation groove 12 and is directed radially outward by the ridge 16 when the lid 9 is closed. The dripping liquid enters the groove 17 and is stored in the groove 17 and is stopped there, so that it can be prevented from scattering to the outside.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIGS. 1 and 2, reference numeral 5 denotes a cap body made of a synthetic resin, for example, polyethylene as an example. It has an upper wall 3 provided. Further, a filling cylinder 4 is provided on the upper wall 3. 18 is the upper wall 3
This is an endless fissure formed inside the injection tube 4, and a tearing portion 19 is formed inside the fissure 18. Reference numeral 20 denotes a tearing member such as a pull ring. When the tearing member 20 is used for the first time, the tearing member 20 is pulled upward to tear off the tearing portion 19, and a through hole is formed in the tearing portion 19 to pour out the contents of a container (not shown). It has become. However, this portion is formed with a through hole in advance as described in the conventional example, and a synthetic resin film on which an aluminum foil is adhered is provided at the upper end of the canister 4, thereby closing the through hole. The present invention includes both of them.

Reference numeral 9 denotes a lid, which comprises a top wall 7 and a lid tube 8, and is provided integrally with the main body 5 via a hinge 6. The hinge 6 is a so-called snapshot-type hinge. When the lid 9 is opened and closed, there is a conceivable point in the course of its rotation. It works. Next, in a vertical cross-sectional view of the upper surface 10 of the cylindrical portion 1, the bottom portion enters at least the inside of the thickness 11 of the cylindrical portion 1 so that the accommodation groove 12 is formed.
Are formed. The storage groove 12 is configured to store a dripping liquid dripping from the injection cylinder 4 when the liquid is discharged from the injection cylinder 4. The accommodation groove 12 may be formed on the upper surface 10 of the cylindrical portion 1 over the entire circumference, may be formed intermittently, or may be formed only on the arc-shaped portion opposite to the hinge 6. You may. The cross section may be V-shaped, semicircular, U-shaped, inverted trapezoidal, or the like.

Reference numeral 13 denotes a lower end surface of the lid tube portion 8. The lower end surface 13 covers the accommodation groove 12 when the lid 9 is closed. The liquid can be prevented from scattering. In addition, ridge 6
Enters into the accommodation groove 12 and forms a gap 15 with the inner side wall 14 of the accommodation groove 12, so that a part of the dripping liquid is held in the gap 15, so that the dripping liquid moving outward is small. The movement of the dripping liquid is suppressed. In addition, the ridge 1
6. Outer ridge 1 that is closed downward on the outside of the ridge 16 continuously to the ridge 16
7 is provided. When the ridge 16 enters the accommodation groove 12, a part of the dripping liquid in the accommodation groove 12 is moved radially outward when the protrusion 16 enters the accommodation groove 12. Such a liquid enters the concave strip 17 and is stopped there, so that it is possible to prevent the liquid from scattering to the outside of the lid 9.

In the drawing, reference numeral 21 denotes a locking portion at the lower portion of the lid tube portion 8;
Reference numeral 2 denotes an engaging portion provided on the upper wall 3, which engages with the engaging portion 21 when the lid 9 is closed. When using this cap, first, the cap is attached to a container (not shown), the tearing member 20 is pulled upward, the tearing groove 18 is cut off, and the tearing part 19 is cut off. Take out the product etc. At this time, the dripping liquid that drips from the injection cylinder 4 is stored in the storage groove 12.

Next, the lid 9 is closed. In this case, the accommodation groove 1
The dripping liquid in 2 is closed by the lower end surface 13 of the lid tube portion 8 while remaining in the accommodation groove 12, so that it is possible to eliminate the splattering out of the main body 5 as described in the conventional example. . In addition, a part of the dripping liquid in the groove of the storage 12 can be retained inward in the radial direction by the ridge 16, which further contributes to suppression of scattering. Further, as shown in FIG. The outer and inner sides in the radial direction are closed by the lower surface of the lid tube portion 8, so that the accommodation groove 12 is closed.
It is possible to almost completely eliminate the risk that the liquid inside will scatter.

[0013]

According to the first aspect of the present invention, the liquid dripping from the injection cylinder 4 during the operation of discharging the liquid from the injection cylinder 4 is deposited on the upper surface 10 of the cylinder 1. It can be accommodated in the formed accommodation groove 12. Therefore, even if the lid 9 is biased and closed by the snap action of the hinge 6, the lid 9 can be prevented from scattering due to the impact on the lower surface of the lid tube portion 8 of the lid 9 as in the above-described conventional example. Moreover, in this case, since the accommodation groove 12 is formed at least at the bottom inside the thickness 11 of the cylindrical portion 1 in a longitudinal sectional view, the accommodation groove 12 can be formed relatively deep. You can eliminate fear. Also, for the same reason, the bottom is not formed on the upper wall 3, so that the strength of the main body 5 is not greatly affected.
It is possible to eliminate the possibility of damage due to the impact at the time of tapping. Further, the projections 16 locate a part of the dripping liquid in the accommodation groove 12 in the gap 15 between the inside wall 14 of the accommodation groove 12, thereby further eliminating the risk of the scattering.

Further, according to the second aspect of the present invention, the housing groove 12 is formed by the impact of the closing of the lid 9 due to the above structure.
Even if a part of the dripping liquid is subjected to a radially outward force, it enters the concave strip 17 and stays there, thereby preventing splashing to the outside.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention and is an enlarged detailed view of a portion of a cap shown in FIG. 2;

FIG. 2 shows an embodiment of the present invention and is a partial sectional view of a cap.

FIG. 3 is a partial sectional view of a conventional cap.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cylindrical part 2 Upper end part 3 Upper wall 4 Injection cylinder 5 Main body 6 Hinge 7 Top wall 8 Lid cylinder part 10 Top surface 11 Thickness 12 Housing groove 13 Lower end surface 14 Inner side wall 15 Gap 16 Ridge 17 Concave stripe

Claims (2)

[Claims] 1. An upper wall 3 provided integrally with an upper end portion 2 of a synthetic resin tubular portion 1 mounted on an outer periphery of a mouth portion of a container;
A main body 5 attached to the mouth formed by erecting a pouring cylinder 4 at the top; a lid 9 having a top wall 7 and a lid cylindrical portion 8 provided on the main body 5 via a hinge 6; On the upper surface 10 of 1,
The bottom is at least the thickness 1 of the cylindrical portion 1 in a longitudinal sectional view.
1, a storage groove 12 for storing a dripping liquid dripping from the injection tube 4; a lower end surface 13 of the lid tube portion 8 for closing the storage groove 12 when the lid 9 is closed. An inner side wall 14 of the housing groove 12 provided in the lower end surface 13 and in the housing groove 12 in the closed state;
And a ridge 16 inserted at a distance 15 from the cap. 2. The cap according to claim 1, wherein the ridge 16 has a concave ridge 17 that opens downward from the ridge 16 continuously to the ridge 16.