JPH08324615A - Cap - Google Patents

Abstract

PURPOSE: To provide a cap capable of uniformly emitting content. CONSTITUTION: In a cap wherein a nozzle part having a plurality of injection orifices 51a is provided to the central part of the cap main body 20 provided to the mouth cylindrical part 11 of a container 10 housing liquid matter, a cylindrical member 51 and the pillar member 52 closely bonded and fixed to the hollow part of the cylindrical member 51 are provided to the nozzle part. A plurality of longitudinal grooves 51a, 52a are respectively provided to the inner periphery of the cylindrical member 51 and the outer periphery of the pillar member 52 and the injection orifices are formed by the longitudinal grooves 51a, 52a.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cap having a nozzle portion which is attached to the mouth of a container for containing a liquid content and which can uniformly discharge the content.

[0002]

2. Description of the Related Art As a cap provided with a nozzle portion having a plurality of pouring holes in a central portion of a cap body mounted on the mouth portion of a container for containing a liquid substance, Japanese Patent Laid-Open No. A cap as described in Japanese Patent No. 67353 is known.

As shown in FIG. 8 of the accompanying drawings, this cap is a cap that is mounted on the mouth tube portion 11 of a container 10 for containing a liquid substance, and has a plurality of pouring holes at the center of the cap body 20. The nozzle portion 22 has a nozzle portion 22a, and the liquid reservoir groove 23 is provided on the periphery of the nozzle portion 22.

The cap body 20 is shown in FIGS.
As shown in 0, a cylindrical nozzle portion 22 is provided in the center of the top surface portion 21 and has a cylindrical shape with a lid, and the vicinity of the top end of the nozzle portion 22 projects from the top surface portion 21 of the cap body 20. ing. A liquid reservoir piece 24 having an L-shaped cross section is provided on the outer periphery of the nozzle portion 22 to extend from the outer periphery of the nozzle portion 22 and the liquid reservoir piece 2.
4, the liquid reservoir groove 23 is formed in a ring shape. The liquid reservoir groove 23 is connected to the top surface portion 21 of the cap body 20. The nozzle portion 22 has a plurality of pouring holes 22a.
Has been drilled. The spout hole 22a is provided in the cap body 20.
The inner surface on the outer side (hereinafter, outer side surface) is parallel to the axis X of the cap body 20 (hereinafter, this state is referred to as vertical), while the inner surface on the inner side of the cap body 20 (hereinafter, inner side). The side surface) is separated from the axis X of the cap body 20 toward the tip. These pouring holes 22a
Are arranged circumferentially around the periphery of the top end surface of the nozzle portion 22, as shown in FIG. 11 attached. A cap lid 30 is connected to the cap body 20 via a hinge mechanism 40. In addition, the cylindrical portion 25 of the cap body 20
A female screw 26 is formed on the inner wall of the. This female screw 2
6 is screwed with a male screw 12 formed on the outer periphery of the mouth tube portion 11 of the container 10.

In the above-described cap, the inner side surface of the pouring hole 22a is shaped so as to be separated from the axis X of the cap body 20 as the tip end thereof, so that when the container 10 is squeezed, it is housed in the container 10. The contents are radially discharged from the pouring hole 22a. Further, when the container 10 is erected after the contents are discharged, the contents remaining attached to the nozzle portion 22 flow down along the outer peripheral wall of the nozzle portion 22, and the liquid storage groove 2
It is stored in 3. When the cap is tilted together with the container 10 in the next pouring operation, the content stored in the liquid storage groove 23 moves downward in the liquid storage groove 23 in the tilted state, and by the action of the surface tension. It is stopped and stays in the liquid storage groove 23, merges with the content from the pouring hole 22a, and is discharged.

As described above, the above-mentioned cap has the nozzle portion 2
It is possible to prevent the contents adhered and left on 2 from flowing down to the outer wall of the container 10, and collect the adhered residual contents for effective use in the next discharge operation.

In the cap as described above, it is desirable that the contents can be uniformly discharged in a wide range as much as possible. Then, in order to uniformly discharge the contents, a method of providing a large number of pouring holes is often adopted. By the way, in the conventional cap as described above, the mold for molding is provided with a projecting portion, and the projecting hole is formed by this projecting portion. The size of the pouring hole cannot be reduced so much in order to avoid damage to the protrusions. For example, in the cap described above, the diameter of the spout hole is limited to 0.6 mm or more. If the number of pouring holes is increased without reducing the size of the pouring holes, the momentum of the discharged contents will decrease, and the contents discharged from different pouring holes will merge, eventually The number of locations where is discharged is less than the number of pouring holes. Further, in a cap having a structure for ejecting the contents radially so that it can be ejected in a wide range, when the momentum of the ejected contents decreases, the distance in which the contents are ejected is shortened, and the contents can be ejected by one operation The area where you can attach things will be narrowed. Therefore, in the conventional cap as described above, there is a limit to uniformly discharging the contents by increasing the number of pouring holes.

Therefore, a first object of the present invention is to provide a cap capable of uniformly discharging the contents. A second object of the present invention is to provide a cap that can discharge the contents in a wide range.

[0009]

DISCLOSURE OF THE INVENTION The present invention is characterized in that a central portion of a cap body attached to a mouth portion of a container for containing a liquid substance,
In a cap including a nozzle portion having a plurality of pouring holes, the nozzle portion includes a tubular member and a columnar member closely fitted in a hollow portion of the tubular member, and the outer periphery of the columnar member or the above A plurality of vertical grooves are provided on at least one of the inner circumferences of the tubular member of the nozzle portion, and a pouring hole is formed by the vertical grooves. The purpose of 1 was achieved.

Further, according to the present invention, the inner wall of the tubular member is provided vertically, and the depths of the plurality of vertical grooves of the columnar member are gradually reduced toward the top end of the columnar member. The first and second objects are achieved by providing the cap according to claim 1.

Further, the present invention provides the cap according to claim 1 or 2, wherein the columnar member has a hollow portion, and a pouring hole is formed on a top surface of the columnar member. As a result, the above first and second objects are achieved.

[0012]

According to the cap of the present invention, the nozzle portion includes the tubular member and the columnar member, and the gap between the tubular member and the columnar member serves as the pouring hole. Therefore, by appropriately selecting the shape and size of the cylindrical member or the columnar member, it is possible to form the pouring hole having a desired size. As described above, in the present invention, the mold for molding the nozzle portion is not formed with the convex portion for forming the pouring hole, so that a smaller pouring hole can be formed. By providing a large number of small pouring holes, the contents can be uniformly discharged in a wide range without depressurizing the contents.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the cap of the present invention will be specifically described below with reference to the drawings. In this embodiment, the same members as those of the conventional cap shown in FIGS. 8 to 11 are designated by the same reference numerals, and the description thereof will be omitted. 1 is a cross-sectional view showing a first embodiment of a cap of the present invention, FIG. 2 is a perspective view of an essential part showing the cap of FIG. 1, a perspective view of a columnar member related to the cap of FIG. 1, and FIG. It is a top view which shows the cap of No. 1.

The cap of this embodiment is provided with a nozzle portion having a plurality of pouring holes in the central portion of the cap body 20 which is attached to the mouth cylinder portion (mouth portion) 11 of the container 10 for containing the liquid substance, In addition, the liquid reservoir groove 23 is provided around the nozzle portion. This structure is the same as the above-mentioned conventional technique. Thus, in the cap of the present embodiment, as shown in FIG. 1, the nozzle portion is composed of a tubular member 51 and a columnar member 52 which is closely fitted in the hollow portion of the tubular member 51. . As shown in FIG. 2, a large number of vertical grooves 52a are provided on the outer periphery of the columnar member 52, and a pouring hole is formed by the vertical grooves 52a.

This embodiment will be described in detail. The tubular member 5
The inner wall of No. 1 is provided substantially vertically, and the depths of the plurality of vertical grooves 52a of the columnar member 52 are gradually reduced toward the top end of the columnar member 52. The tubular member 51 is arranged at the center of the top surface portion 21 of the cap body 20 such that the vicinity of the top end thereof projects beyond the top surface portion 21. Further, a plurality of vertical grooves 51a are provided on the inner wall of the tubular member 51 at positions facing the plurality of vertical grooves 52a of the columnar member 52, and from the top surface portion 21 above the tubular member 51. A taper 51b is formed on the protruding portion. An engagement piece 52d having an L-shaped cross section is extended from the bottom wall of the columnar member 52, and the engagement piece 52d is engaged with the liquid reservoir piece 24 from the bottom side of the liquid reservoir piece 24. ing.
As a result, the columnar member 52 is locked to the tubular member 51 with the top end of the columnar member 52 recessed from the tubular member 51. Then, as shown in FIG. 3, the vertical groove 5 of the tubular member 51.
The 1a and the vertical groove 52a of the columnar member 52 form a large number of smaller pouring holes than the conventional one. The container 10 is squeezable.

In the cap of the present embodiment having the above-mentioned structure, when the container 10 is squeezed, the content is the tubular member 5
It is radially and vigorously discharged from a pouring hole formed by one vertical groove 51a and the vertical groove 52a of the columnar member 52. Then, the cylindrical member 51 is radially spread and discharged along the shape in the vicinity of the top end.

Thus, according to the cap of this embodiment,
Since many pouring holes are formed, the contents can be uniformly discharged and attached. In this embodiment, the vertical groove 5
Since the depths of 1a and 52a are gradually reduced toward the top end of the columnar member 52, and further, the taper 51b is formed in the portion of the tubular member 51 projecting from the top surface portion 21.
The contents can be discharged radially over a wide range. In addition, since the pouring hole is small, the content is ejected vigorously, and it is possible to eject and adhere the content in a wider area.

Next, a second embodiment of the cap of the present invention will be specifically described with reference to the drawings. In this embodiment, the same members as those in the first embodiment shown in FIGS. 1 to 3 are designated by the same reference numerals and the description thereof will be omitted. FIG. 4 is a sectional view showing a second embodiment of the cap of the present invention, and FIG. 5 is a perspective view of a columnar member related to the cap of FIG.

In the cap of this embodiment, as shown in FIGS. 4 and 5, the columnar member 52 has a central pouring hole 52b at its top end. Further, the columnar member 52 has a hollow portion 52c penetrating from the lower end thereof to the central portion discharge hole 52b. In this embodiment, the structure is the same as that of the first embodiment except that the central pouring hole 52b and the hollow portion 52c are arranged. In the cap of the present embodiment, the contents are also discharged from the hollow portion 52c of the columnar member 52 through the central pouring hole 52b. Therefore, the contents can be discharged more uniformly.

The present invention is not limited to the above-described embodiments, but the specific shapes and dimensions of the respective members, the mounting positions of the respective members, etc. can be appropriately changed. For example, the tubular member 5
The columnar member 52 may be screwed into the container 10 without screwing 1 into the container 10. In addition, the tubular member 51 or the columnar member 52
The method of attaching the to the container 10 may be other than screwing. Further, the tubular member 51 or the columnar member 52 may be integrally formed with the body of the container 10. The cylindrical member 51 and the columnar member 52 are such that the columnar member 52 is fitted into the cylindrical member 51, and the inner wall of the columnar member 52 where the vertical groove 52a is not formed is in close contact with the cylindrical member 51. However, the cross-sectional shape and the like of the tubular member 51 and the columnar member 52 are arbitrary. The columnar member 52 may not be provided with the engaging piece 52d, and the columnar member 52 may be engaged with the tubular member 51 by another method. The columnar member 52 may be arranged so that its top end is flush with the top end of the tubular member 51. Further, the columnar member 52 may be arranged so as to project more than the tubular member 51.

The vertical groove 51a of the tubular member 51 and the columnar member 5
By appropriately selecting the shape or size of the two vertical grooves 52a, it is possible to discharge the content in a desired range with a desired momentum.
As shown in FIG. 6 or 7, the vertical groove 52a can evenly discharge the contents even if the vertical groove 62a has a uniform cross-sectional area from the top end side to the lower end side. The vertical groove 52a may not be provided on the outer periphery of the columnar member 52, and the vertical groove 51a may be provided only on the inner wall of the tubular member 51. In addition, the tubular member 5
The vertical groove 51a may not be provided on the inner wall of No. 1 and the vertical groove 52a may be provided only on the outer periphery of the columnar member 52. The cap lid 30 may not be connected to the tubular member 51, and the cap lid 30 may not be provided. The container 10 does not have to be of the squeeze type, and the pressure in the container 10 may be increased by another method to discharge the contents.

[0022]

As described above, according to the invention described in claim 1, it is possible to form a large number of small pouring holes, and it is possible to uniformly discharge the contents without depressurizing the contents. Becomes

According to the second aspect of the invention, the contents can be uniformly discharged in a wide range.

According to the third aspect of the invention, the content can be ejected more uniformly.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a cap that is a first embodiment of the present invention.

2A and 2B are explanatory views showing a fitted state of a cylindrical member and a columnar member according to the cap of FIG. 1, wherein FIG. 2A is a perspective view of a main part of the cap, and FIG. 2B is a cap of FIG. It is a perspective view of a columnar member according to.

3 is a plan view showing the cap of FIG. 1. FIG.

FIG. 4 is a sectional view showing a cap which is a second embodiment of the present invention.

5 is a perspective view of a columnar member related to the cap of FIG.

FIG. 6 is a sectional view showing a cap according to another embodiment of the present invention.

FIG. 7 is a sectional view showing a cap of another embodiment of the present invention.

FIG. 8 is a partial cross-sectional view showing a state where a conventional cap is attached to a container.

9 is a cross-sectional view showing the cap of FIG.

10 is a perspective view of a main part of the cap shown in FIG.

11 is a plan view showing the cap of FIG. 8. FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Container 11 Cylinder part 12 Male screw 20 Cap body 21 Top surface part 23 Liquid reservoir groove 24 Liquid reservoir piece 25 Cylindrical part 26 Female screw 30 Cap lid 40 Hinge mechanism 51 Cylindrical member 51a Vertical groove 51b Taper 52 Columnar member 52a Vertical groove 52b Central part pouring hole 52c Hollow part 52d Engaging piece 62a Vertical groove

Claims (3)

[Claims] 1. A cap provided with a nozzle portion having a plurality of pouring holes in a central portion of a cap body attached to a mouth portion of a container for containing a liquid substance, wherein the nozzle portion includes a tubular member, A columnar member closely fitted to the hollow portion of the tubular member, wherein a plurality of vertical grooves are provided on at least one of the outer periphery of the columnar member or the inner periphery of the tubular member of the nozzle portion, A cap characterized in that a pouring hole is formed by a vertical groove. 2. The inner wall of the tubular member is provided vertically, and the depth of each of the plurality of vertical grooves of the columnar member is gradually reduced toward the top end of the columnar member. A cap according to claim 1, characterized in that 3. The columnar member has a hollow portion, and a pouring hole is formed on the top surface of the columnar member.
Alternatively, the cap according to claim 2.