JP3316102B2 - cap - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

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

[0002]

2. Description of the Related Art A cap having a nozzle having a plurality of discharge holes at the center of a cap body attached to the mouth of a container for accommodating a liquid material is disclosed in Japanese Unexamined Patent Publication No. A cap as described in -67353 is known.

As shown in FIG. 7 of the accompanying drawings, this cap is a cap to be attached to a mouthpiece 11 of a container 10 for accommodating a liquid material. A nozzle 22 having a nozzle 22 a is provided, and a liquid storage groove 23 is provided around the nozzle 22.

[0004] The cap body 20 is shown in FIGS.
As shown in FIG. 2, a cylindrical nozzle part 22 is disposed in the center of the top surface part 21 and has a cylindrical shape.
The vicinity of the top end of 2 protrudes from the top surface 21 of the cap body 20. A liquid storage piece 24 having an L-shaped cross section is provided on the outer periphery of the nozzle 22, and a liquid storage groove 23 is formed in a ring shape by the outer circumference of the nozzle 22 and the liquid storage piece 24. The liquid reservoir groove 23 is connected to the top surface 21 of the cap body 20. The nozzle part 22 is provided with a plurality of pouring holes 22a. The inside of the pouring hole 22a on the outer side of the cap body 20 (hereinafter, the outer side surface) is parallel to the axis X of the cap body 20 (hereinafter, this state is referred to as vertical). The inner surface on the inner side (hereinafter referred to as the inner side surface) is separated from the axis X of the cap main body 20 toward the tip. These pouring holes 22a
Are circumferentially arranged on the periphery of the top end face of the nozzle portion 22, as shown in FIG. A cap lid 30 is connected to the cap body 20 via a hinge mechanism 40. The cap cover 30 is provided with an engagement ring 31 at a position corresponding to the liquid storage groove 23.
When the cover 0 is put on the cap body 20, the engagement ring 31 is engaged with the liquid storage groove 23. A female screw 26 is formed on the inner wall of the cylindrical portion 25 of the cap body 20, and the female screw 26 is
Is screwed with a male screw 12 formed on the outer periphery of the screw.

[0005] In the above-mentioned cap, the inner side surface of the pouring hole 22a is shaped so as to move away from the axis X of the cap body 20 as it goes to the tip, so that when the container 10 is squeezed, it is accommodated in the container 10. The contents are radially discharged from the pouring hole 22a. When the container 10 is erected after discharging the contents, the contents adhering and remaining on the nozzle portion 22 flow down along the outer peripheral wall of the nozzle portion 22 and the liquid storage groove 2 is formed.
3 is stored. When the cap is tilted together with the container 10 in the next pouring operation, the contents stored in the liquid storage groove 23 move downward in the liquid storage groove 23 in the tilted posture, and are actuated by surface tension. The liquid is stopped in the liquid storage groove 23 and stays there, and merges with the contents from the discharge hole 22a and is discharged.

As described above, the above-mentioned cap is provided in the nozzle portion 2.
2 can be prevented from flowing down onto the outer wall of the container 10 and the content remaining on the container 10 can be recovered and effectively used in the next discharge operation.

In the above-described cap, it is desirable that the contents can be discharged as uniformly as possible. In order to uniformly discharge the contents, a method of providing a large number of pouring holes has been often used. However, in the above-mentioned cap, the inner side surface of the pouring hole 22a is
The content is discharged over a wide range by being inclined with respect to the axis X. In such a conventional cap, the thickness of the nozzle portion 22 is formed to be thin near the inner side surface of the pouring hole 22a. Therefore, when the number of the pouring holes 22a is increased, the strength against impact such as dropping decreases. Further, in the conventional cap as described above, the pouring hole 22a is formed by providing a protruding portion on a mold for molding. Then, in order to avoid damage to the projection, the size of the pouring hole 22a cannot be reduced too much. For this reason, when the number of the pouring holes 22a is increased, the momentum of the discharged contents decreases, and the contents discharged from different pouring holes 22a merge,
The contents cannot be discharged uniformly. Also, as the momentum of the contents decreases, the range of ejection becomes narrower. Therefore, there is a limit in discharging the contents over a wide range and uniformly in the conventional cap as described above.

Accordingly, it is an object of the present invention to provide a cap capable of uniformly discharging the contents over a wide range.

[0009]

SUMMARY OF THE INVENTION According to the present invention, there is provided a cap body which is attached to a mouth of a container for containing a liquid material, and has
In a cap including a nozzle portion having a plurality of discharge holes, the nozzle portion has a cylindrical member having a top surface, a vertical through flow path in the center, and is closely fitted to the cylindrical member from below. It is composed of a flow path forming columnar member, a gap is provided between the top surface of the cylindrical member and the flow path forming columnar member, and the pouring hole is provided near a top surface periphery of the cylindrical member. And communicates with the vertical through flow path through the gap .
In addition , the above object has been achieved by providing a cap characterized in that the gap is formed in a radial groove .

Further, the present invention is characterized in that the cylindrical member has an annular flange protruding from an upper end thereof, and the flange has a tapered inner wall. The object has been achieved by providing the cap according to claim 1.

[0011]

Further, according to the present invention, the flow path forming columnar member is provided with a void forming portion projecting from a peripheral edge of a top end thereof.
The gap forming portion is in contact with the top surface of the tubular member,
The above-mentioned object is achieved by providing the cap according to claim 1 or 2, wherein the gap is formed between the top surface and the flow path forming columnar member. It is.

[0013]

According to the cap of the present invention, the contents are urged in the horizontal direction (perpendicular to the axis of the cap body) through the gap from the vertical through flow path of the flow path forming columnar member,
It is discharged radially from the discharge hole of the cylindrical member. Like this
In the cap of the present invention, the contents are urged in the lateral direction while passing through the gap, and are discharged from the pouring hole while being urged. Therefore, the contents can be radially discharged over a wide range without forming the inner side surface of the pouring hole so inclined with respect to the axis of the cap body. Also, by setting the width of the gap (the distance between the top surface of the cylindrical member and the top surface of the flow path forming member) to be small, the contents can be discharged vigorously regardless of the size of the pouring hole. it can. Therefore, it is possible to uniformly discharge and adhere the contents discharged from different pouring holes without merging, and to discharge and adhere to a wide range.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the cap according to the present invention will be specifically described below with reference to the drawings. In the present embodiment, the same members as those of the conventional cap shown in FIGS. 7 to 10 are denoted by the same reference numerals, and description thereof will be omitted. FIG. 1 is a sectional view showing a first embodiment of the cap of the present invention, FIG. 2 is a plan view showing the cap of FIG.
FIG. 2 is a perspective view of a channel forming columnar member related to the cap of FIG. 1.

The cap of this embodiment has a nozzle portion having a plurality of pouring holes 51a at the center of a cap body 20 mounted on a mouthpiece (mouth) 11 of a container 10 containing a liquid material. In addition, a liquid storage groove 23 is provided around the nozzle portion. This configuration is the same as the above-described conventional technology. Thus,
In the cap of this embodiment, as shown in FIG. 1, the nozzle portion includes a cylindrical member 51 having a top surface, and a vertical through flow path 5 in the center.
2a, and a flow path forming columnar member 52 closely fitted to the cylindrical member 51 from below.
An air gap 53 is provided between the top surface of the liquid crystal panel and the flow path forming columnar member 52. Further, the pouring hole 51a is provided in the cylindrical member 5.
1 is provided near the periphery of the top surface and communicates with the vertical through flow channel 52a through the gap 53.

More specifically, the cylindrical member 51 has an annular flange 51b protruding from an upper end thereof, and the flange 51b has a tapered inner wall. . As shown in FIG. 2, a large number of the spouting holes 51a are formed along the inner wall of the flange portion 51b. Also,
The ejection hole 51 a is formed such that the inner side surface is slightly inclined with respect to the axis X of the cap body 20. As shown in FIG. 3, the top surface of the channel forming columnar member 52 has
It is composed of a flow channel groove 52b extending radially around a portion communicating with the vertical through flow channel 52a, and a flat portion 52c abutting on the top surface of the cylindrical member 51, and the flow channel groove 52b and the cylindrical member 5
An air gap 53 is formed by the top surface of the first member. The cross-sectional area (hereinafter, the cross-sectional area) of the flow channel 52b in the direction in which the content flows is smaller than the cross-sectional area of the pouring hole 51a. The channel groove 52b extends below the pouring hole 51a on the top surface of the cylindrical member 51, and the pouring hole 51a communicates with the vertical through flow channel 52a via the gap 53. ing. An engaging piece 52d having an L-shaped cross section extends from the lower end of the flow path forming columnar member 52,
The engagement piece 52d is engaged with the liquid storage piece 24 from the bottom side of the liquid storage piece 24.

In the cap of this embodiment having the above-described structure, when the container 10 is squeezed, the contents flow into the gap 53 from the vertical through flow channel 52 a of the flow channel forming columnar member 52. Then, the contents are accelerated while passing through the gap 53, and are urged in the lateral direction (the direction perpendicular to the axis X of the cap body), and the ejection holes 51 are kept urged in the lateral direction.
a. As a result, the contents are
Are rapidly and radially discharged from a large number of discharge holes 51a. Thereafter, the contents hit the flange 51b,
1b, and is discharged and adhered uniformly over a wide range.

As described above, according to the cap of this embodiment,
Since the contents are urged laterally while passing through the void 53,
The contents can be discharged radially over a wide range. Since the cross-sectional area of the flow channel 52b is set to be narrower than the discharge hole 51a, the contents are discharged vigorously regardless of the size of the discharge hole 51a, and the contents discharged from the different discharge holes 51a. Objects can be discharged and adhered uniformly and over a wide range without merging. The discharge direction of the content is corrected by the flange portion 51b protruding from the top surface of the tubular member 51, so that the content can be reliably discharged to a predetermined range.

Particularly, in this embodiment, since the cross-sectional area of the space 53 is much smaller than the cross-sectional area of the longitudinal through channel 52a, the contents are rapidly accelerated by the space 53 and discharge the contents to a particularly wide range. be able to. In this embodiment, the pouring holes 5
Since the inner side surface 1a is formed without inclining the inner side surface much with respect to the axis X of the cap body 20, the strength of the tubular member 51 can be maintained satisfactorily. Furthermore, in this embodiment, since many pouring holes 51a are formed, the contents can be uniformly discharged and adhered. In addition, in this embodiment, when the cap cover 30 is put on the cap body 20, the flange portion 51b temporarily retreats inward, so that the operation of putting the cap cover 30 can be performed smoothly and easily.

Next, a second embodiment of the cap according to 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 denoted by the same reference numerals, and description thereof will be omitted. FIG. 4 is a sectional view showing a second embodiment of the cap of the present invention, FIG. 5 is a plan view showing the cap of FIG. 4, and FIG. 6 is a perspective view of a flow path forming columnar member related to the cap of FIG. is there.

In the cap of this embodiment, as shown in FIG. 4 or FIG. 6, a flow path forming columnar member 52 is provided with a void forming portion 52e protruding from the periphery of the top end. The gap forming portion 52e is in contact with the top surface of the tubular member 51, and the gap 53 is formed between the top surface and the flow path forming columnar member 52. The width of the gap 53 (the distance between the top surface of the cylindrical member 51 and the columnar member 52) is set to be extremely small. Also, as shown in FIG.
A central pouring hole 51c is provided at the center of the top surface. In the present embodiment, a gap forming member 52e is provided in the flow path forming columnar member 52, and a gap 53 is formed between the top surface of the cylindrical member 51 and the flow path forming member 52; The configuration other than that the central ejection hole 51c is provided in the shaped member 51 is the same as that of the first embodiment.

In the cap of the present embodiment having the above-described structure, when the container 10 is squeezed, the contents pass through the vertical through flow path 52a, and then the gap 53 is formed around the top end of the flow path forming columnar member 52. Spread toward. During this time, the contents are urged and accelerated in the horizontal direction, and are discharged vigorously radially from the pouring hole 51a and along the axis X of the cap body 20 from the central pouring hole 51c. As described above, even in the cap of the present embodiment, the contents are radially discharged, so that the contents can be discharged and adhered to a wide range. In addition, since the width of the gap 53 is set to be extremely small, the contents can be uniformly discharged and adhered without being vigorously discharged and merging.
Further, in the cap according to the present embodiment, the contents are also discharged through the central pouring hole 51c, so that the contents can be more uniformly discharged and adhered. Furthermore, since the contents flow into the entire lower part of the top surface of the cylindrical member 51, the cylindrical member 51 and the flow path forming columnar member 52 can be engaged without being aligned with each other in the direction around the axis. And can be easily manufactured.

The present invention is not limited to the above-described embodiment, and specific shapes and dimensions of the respective members or positions of the respective members can be appropriately changed. For example, the cylindrical member 5
The channel-forming columnar member 52 may be screwed into the container 10 without screwing 1 into the container 10. The method of attaching the cylindrical member 51 or the channel forming columnar member 52 to the container 10 may be other than the screwing. Further, the cylindrical member 51 or the channel forming columnar member 52 may be formed integrally with the body of the container 10. It is necessary that the flow path forming columnar member 52 is tightly fitted to the cylindrical member 51, but the cylindrical member 51 does not have to be annular in cross section, and the flow path forming columnar member 52 is also not circular in cross section. You may.

The tubular member 51 may not be provided with the flange 51b, and the contents may be discharged as it is in the direction in which the contents are discharged from the pouring hole 51a. The flow path forming columnar member 52 may not be provided with the engagement piece 52d, and the flow path forming columnar member 52 may be engaged with the cylindrical member 51 by another method. The void 53 is
It may be smaller as it gets closer to the pouring hole 51a. 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 may not be a squeeze type, and may discharge the contents by increasing the pressure in the container 10 by another method.

[0025]

As described above, according to the first aspect of the present invention, the contents are urged in the horizontal direction by the gap and are discharged radially, so that the contents are discharged and adhered to a wide area. be able to. Further, by setting the gap to be narrow, the contents are accelerated and discharged vigorously, so that the contents can be prevented from joining from different pouring holes, can be uniformly discharged and adhered, and further wider. Can be attached to the area. In particular, air gaps in radial grooves
The vertical cross-sectional area of the air gap is
It can be set much smaller than the cross-sectional area,
Effectively increase the flow rate of the contents and adhere to a wider area
Can be done.

According to the second aspect of the present invention, since the content is discharged along the taper of the flange, the direction in which the content is discharged is easily defined, and the content is discharged and adhered in a predetermined range. Is possible.

[0027]

According to the third aspect of the present invention, the cap body can be easily assembled and manufactured.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a cap according to a first embodiment of the present invention.

FIG. 2 is a plan view showing the cap of FIG. 1;

FIG. 3 is a perspective view showing a channel forming columnar member related to the cap of FIG. 1;

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

FIG. 5 is a plan view showing the cap of FIG. 4;

FIG. 6 is a perspective view showing a channel forming columnar member related to the cap of FIG. 4;

FIG. 7 is a partial cross-sectional view showing a state in which a conventional cap is mounted on a container.

FIG. 8 is a sectional view showing the cap of FIG. 7;

FIG. 9 is a perspective view of a main part showing the cap of FIG. 7;

FIG. 10 is a plan view showing the cap of FIG. 7;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Container 11 Mouth part 12 Male screw 20 Cap main body 21 Top part 23 Liquid reservoir groove 24 Liquid reservoir piece 25 Cylindrical part 26 Female screw 30 Cap lid 31 Engagement ring 40 Hinge mechanism 51 Cylindrical member 51a Discharge hole 51b Flange 51c Central part discharge hole 52 Flow path forming columnar member 52a Vertical through flow path 52b Flow path groove 52c Flat part 52d Engagement piece 52e Gap forming part 53 Gap

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Katsumi Takasaki 2-1-3 Bunka, Sumida-ku, Tokyo Kao Co., Ltd. Research Institute (56) References Hirai 6-67353 (JP, U) Hirai Sho57 -143149 (JP, U) Jikken 47-21161 (JP, Y1) (58) Field surveyed (Int. Cl. ⁷ , DB name) B65D 47/06 B65D 47/08

Claims (3)

(57) [Claims] 1. A cap having a nozzle portion having a plurality of discharge holes in a central portion of a cap body attached to a mouth portion of a container containing a liquid material, wherein the nozzle portion has a cylindrical shape having a top surface. A cylindrical member having a vertical through flow path in the center and closely fitted to the cylindrical member from below, between the top surface of the cylindrical member and the flow path forming column member. Is provided with a gap, the pouring hole is provided near the top surface periphery of the cylindrical member, and communicates with the vertical through flow path through the gap ,
The said gap is formed in the radial groove, The cap characterized by the above-mentioned . 2. The cylindrical member has an annular flange protruding from an upper end thereof, and the flange has a tapered inner wall. The cap according to the item. 3. The flow path forming columnar member is provided with a void forming portion protruding from a peripheral edge of a top end thereof, and the void forming portion is in contact with a top surface of the tubular member. The cap according to claim 1, wherein the cap is formed between the top surface and the flow path forming columnar member.