JPH08133310A - Cap for container standing on its head - Google Patents

Abstract

PURPOSE: To keep contents to be taken out of a container in the satisfactory state. CONSTITUTION: In a cap 10 for holding a container at its top in the state of standing on the head composed of a cap main body 13 capable of being mounted to the container and equipped with a nozzle 20 communicating with the mouth of the container and an upper cover 14 connected with a hinge 15 to the cap main body and equipped with sealing parts 23A, 23 and 24 for sealing the nozzle, openings 32 and 33 are formed to the ceiling of the upper cover on positions surrounding the sealing parts.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inverted cap for holding a container in an inverted state.

[0002]

2. Description of the Related Art Some containers filled with toothpaste or lotion are held in an inverted state by a cap that closes the mouth of the container.

The inverted cap having the above-mentioned function can be attached to a container, and the cap body is provided with a nozzle portion communicating with the mouth of the container, and the cap body is hinged to the cap body. The container has an upper lid provided with a seal portion capable of closing the portion, and is configured so that the container can be supported by the top portion in an inverted state.

[0004]

However, when the container with the inverted cap as described above is used at a place where water is splashed such as a washroom or a bath, the upper lid is used to release the blockage of the nozzle portion by the seal portion. When opened, water in the washroom may adhere to the inner surface of the top of the top lid. And
After using the container and cap, close the upper lid with water attached and invert the container with the cap for inversion, the water attached to the top part flows to the seal part and the contents of the container reaching the nozzle part May come in contact with or mix with (toothpaste, lotion, etc.). As a result, the concentration of the content may change, or the content may be separated, and the performance may deteriorate when the content is next ejected from the nozzle.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an inverted cap which can maintain the performance of contents taken out from a container in a good condition.

[0006]

According to a first aspect of the present invention, there is provided a cap main body, which is mountable on a container and has a nozzle portion communicating with the mouth of the container, and is hinged to the cap main body. In an inverted cap having a top cover provided with a seal part capable of closing the nozzle part on the top part and supporting the container in the inverted state at the top part, the top part of the top part of the top cover is provided. Around the seal part, an opening is formed on the inner and outer surfaces of the top part.

According to a second aspect of the present invention, the mounting portion that can be mounted on the container, the seal portion that can close the mouth portion of the container, the mounting portion and the seal portion are continuously provided, and the container is In an inverted cap having a top part that can be supported in an inverted state, an opening is formed around the seal part of the top part on the inner and outer surfaces of the top part.

The invention described in claim 3 is the invention according to claim 1 or 2.
The opening described in 1 is formed in an opening area larger than the area of a circle having a diameter of 8 mm.

[0009]

According to the inverted cap according to the invention described in claim 1 or 2, the following effects are obtained. According to the inverted cap according to claim 1, when the container with the inverted cap is used in a place where water is splashed such as a washroom or a bath, the upper lid is opened and the container of the container is removed from the nozzle portion of the cap body. Discharge the contents. Water may adhere to the inner surface of the top of the top lid during this use. In addition, claim 2
Even with the inverted cap described in, when the inverted cap is removed from the mouth of the container when used in a washroom, etc., water may adhere to the inner surface of the top of the inverted cap during use. .

However, in the invention described in claim 1 or 2, since the opening is formed around the seal portion in the top, the upper lid of the inverted cap is closed after the container with the inverted cap is used. (In the case of claim 1) or when the inverted cap is easily attached (in the case of claim 2),
Water adhering to the inner surface of the top surface is discharged from the opening, and does not come into contact with or mix with the contents to be discharged through the sealing portion. Therefore, the concentration of the contents does not change or the contents do not separate, and the performance of the contents taken out from the container can be maintained well.

According to the inverted cap of the third aspect of the present invention, the following action is obtained. Since the opening was formed with an opening area larger than the area of a circle with a diameter of 8 mm, water in the washroom where the surface tension is large (about 36 dyn / cm) without the inclusion of a surfactant will also open due to this surface tension. Instead of staying inside the unit, it is released from the opening by its own weight and discharged to the outside of the cap. Therefore, if the container is inverted using the inverted cap, water attached to the inner surface of the top of the inverted cap can be naturally discharged from the opening.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. A. First Embodiment FIG. 1 is a side view showing a first embodiment of an inverted cap according to the present invention together with a container. FIG. 2 is a perspective view showing the inverted cap of FIG. FIG. 3 is a plan view showing a state in which the upper lid is opened in the inverted cap of FIG. FIG. 4 is a sectional view taken along the line IV-IV in FIG. FIG. 5 shows FIG.
FIG. 3 is a side sectional view showing a state in which the upper lid is closed in the inverted cap of FIG.

As shown in FIG. 1, the inverted cap 10 is provided.
Is attached to the mouth 12 of the container 11 so that the container 11 can be held in an inverted state. This inverted cap 10
It is molded from a resin such as polypropylene or polyethylene. In addition, the inverted cap 10 is the cap body 1
3, an upper lid 14 is connected by a hinge 15 so as to be openable and closable.

As shown in FIGS. 3 and 5, the cap body 13 is constructed by having a base surface 17 on a body cylinder portion 16. An inner ring 18 and an outer ring 19 extend from the base surface 17 downward in FIG. Between the inner ring 18 and the outer ring 19, the container 11
The mouth portion 12 (FIG. 1) is inserted and the cap body 13 is attached to the container 11. Further, a nozzle 20 is provided on the base surface 17 in a direction opposite to the inner ring 18 and the outer ring 19. The nozzle 20 communicates with the mouth 12 of the container 11 and can squeeze the container 11 to discharge the contents of the container 11 (for example, toothpaste or lotion).

The upper lid 14 is constructed by including a top portion 22 on the lid cylinder portion 21, and an inner seal ring 23, an outer seal ring 24 and a seal portion 23A are provided at the center of the top portion 22.
Are integrally molded. The outer seal ring 24 is formed concentrically outside the inner seal ring 23, and the seal portion 23A is formed inside the inner seal ring 23 in a plate shape. When the upper lid 14 is closed, the inner seal ring 23 and the outer seal ring 24 are liquid-tightly fitted to the tip of the nozzle 20 so that the inner seal ring 2
3, the nozzle 20 can be closed by the outer seal ring 24 and the seal portion 23A. Further, when the upper lid 14 is closed, the top portion 22 is placed on the floor of the bathhouse, the shelf of the washroom or the like, so that the container 11 can be held in the inverted state.

The hinge 15 includes the cap body 13 and the upper lid 1.
It is formed thinly between the four, is configured to be flexibly deformable, and is integrally molded with the cap body 13 and the upper lid 14. A locking surface 25 is formed on the cap body 13 at a position opposite to the hinge 15. When the upper lid 14 is closed, the locking portion 26 of the upper lid 14 can be engaged with the locking surface 25, and the locking surface 25 and the locking portion 26 are configured as a locking mechanism.

A fitting groove 27 is formed in the base surface 17 of the cap body 13 in the vicinity of the hinge 15, and a rubber elastic body 28 is fitted in the fitting groove 27. The rubber-like elastic body 28 is made of rubber or elastomer (for example, KE951U manufactured by Shin-Etsu Chemical Co., Ltd. as a compound,
As a vulcanizing agent, it is composed of methyl vinyl-based rubber synthesized with C-8 manufactured by the same company. In addition, the rubber-like elastic body 28
Has a substantially U-shaped cross section as shown in FIG.
9 is fitted into the fitting groove 27. The other end 30 of the rubber-like elastic body 28 is formed in a tapered wedge shape, and the tip thereof is the upper lid 1.
4, and can be compressed and bent as shown in FIG.

That is, in the process of closing the upper lid 14, the tip end of the other end 30 of the rubber-like elastic body 28 is restrained by the restraining portion 3 of the upper lid 14.
1 is contacted and pressed. Due to this pressing, the other end 30 of the rubber-like elastic body 28 bends inward, and the rubber-like elastic body 28
The A portion 28A and the B portion 28B are bent and deformed, and when the upper lid 14 is closed, the other end portion 30 has an inner surface 28C of the rubber-like elastic body 28.
Compressive deformation toward.

Now, as shown in FIGS. 2 and 3, one or a plurality (two in this embodiment) of openings 32 and 33 are formed in the top portion 22 of the upper lid 14. These openings 32 and 33 are provided around the outer seal ring 24 over the inner and outer surfaces of the top portion 22. The opening area of each of the openings 32 or 33 is formed to have a diameter of 8 mm or more.

Therefore, according to the above embodiment, the following
Produce the effect of. When using the container 11 equipped with the inverted cap 10 in a place exposed to water such as a bathroom or a bath, the upper lid 1
4 is opened and the container 11 is opened from the nozzle 20 of the cap body 13.
Discharge the contents of. During this use, water may adhere to the inner surface of the top portion 22 of the upper lid 14. However, in the inverted cap 10 of this embodiment, the openings 32 and 33 are formed around the inner seal ring 23 and the outer seal ring 24 in the top portion 22, so that the container 11 including the inverted cap 10 can be provided. When the upper lid 14 is closed after use, water attached to the inner surface of the top portion 22 is discharged from the openings 32 and 33, and the inner seal ring 23,
It does not come into contact with or mix with the contents to be discharged in the nozzle 20 through the outer seal ring 24 and the seal portion 23A. Therefore, the concentration of the contents is not changed or separated, and the performance of the contents taken out of the container 11 can be maintained well.

Since the opening area of each of the openings 32 or 33 is formed to be larger than the area of a circle having a diameter of 8 mm, water is not mixed with the surface active agent and has a large surface tension (about 36 kyn / cm). Also, due to this surface tension, is not stayed in the openings 32 and 33, is separated from the openings 32 and 33 by its own weight, and is discharged to the outside of the inversion cap 10. Therefore, if the container 11 is inverted using the inverted cap 10, the water attached to the top portion 22 of the inverted cap 10 will be removed by the opening 3.
It can be naturally discharged from 2 and 33.

Furthermore, since the openings 32 and 33 are formed in the top portion 22 of the upper lid 14, the amount of resin such as polypropylene in the inverted cap 10 can be reduced by that amount. For example, the resin amount of the inverted cap 10 is equal to the top 22
It was 2.4 g when the openings 32 and 33 were not formed, but it was reduced to 1.7 g by opening the openings 32 and 33.

B. Second Embodiment FIG. 6 is a plan view showing a second embodiment of the inverted cap according to the present invention. FIG. 7 is a side sectional view of the inverted cap of FIG.

In the inverted cap 40 of this embodiment, a tubular portion 42 and a mounting portion 43 are extended from the top portion 41 in the same direction, and the sealing portion 4 is connected to the top portion 41 and inside the mounting portion 43.
4 is formed. This inverted cap 40
Is also molded with a resin such as polypropylene or polyethylene.

A female screw 45 is formed on the inner peripheral surface of the mounting portion 43. The female screw 45 is screwed into a male screw portion formed at the mouth portion of the container (not shown), so that the inverted cap 4
0 is attached to the container. At the time of this installation, the seal part 4
Reference numeral 4 makes contact with the mouth of the container so that the mouth can be closed. Further, the top part 41 can be placed on the floor of a bathhouse, the shelf of a washroom or the like, and can hold the container in an inverted state.

One or a plurality (three in this second embodiment) of openings 46, 47 and 48 are formed in the top 41 around the seal portion 44 over the inner and outer surfaces of the top 41. .
The opening 46 is also formed with an opening area larger than the area of a circle having a diameter of 8 mm.

Also in this embodiment, when the container provided with the inversion cap 40 is used in a washroom or the like, when the inverted cap 40 is removed from the mouth of the container, the inner surface of the top 41 is washed during use. Some water may adhere, but this water is discharged through the openings 46, 47 and 48.
Therefore, the water adhered to the inner surface of the top does not come into contact with or mix with the contents of the container mouth through the seal portion 44, and the performance of the contents taken out from the container can be maintained well as in the above-mentioned embodiment. You can

Moreover, since the opening area of each of the opening portions 46, 47 or 48 is formed to be larger than the area of a circle having a diameter of 8 mm, water having a large surface tension (about 36 dyn / cm) can be used in a large amount of water. Inverted cap 4 regardless of surface tension
By using 0 to invert the container, the opening 46,
It can be naturally discharged from 47 and 48.

Further, also in this embodiment, since the openings 46, 47, and 48 are formed in the top portion 41 of the inverted cap 40, the resin amount of the inverted cap 40 can be reduced.

[0030]

As described above, according to the inversion cap of the present invention, the performance of the contents taken out from the container can be favorably maintained.

[Brief description of drawings]

FIG. 1 is a side view showing a first embodiment of an inverted cap according to the present invention together with a container.

2 is a perspective view showing the inverted cap of FIG. 1. FIG.

FIG. 3 is a plan view showing a state in which an upper lid is opened in the inverted cap shown in FIG.

FIG. 4 is a sectional view taken along line IV-IV in FIG.

5 is a side sectional view showing a state in which the upper lid is closed in the inverted cap of FIG.

FIG. 6 is a second view of the inverted cap according to the present invention.
It is a top view showing an example.

FIG. 7 is a side sectional view of the inverted cap of FIG.

[Explanation of symbols]

 10 Inverting Cap 11 Container 12 Mouth 13 Cap Main Body 14 Upper Lid 15 Hinge 20 Nozzle 22 Top 23 Inner Seal Ring 24 Outer Seal Ring 23A Sealing Part 32, 33 Opening 40 Inverting Cap 41 Top 43 Mounting Part 44 Sealing Part 46, 47, 48 openings

Claims (3)

[Claims] 1. A cap body that is attachable to a container and has a nozzle portion that communicates with an opening of the container, and a seal that is hinge-coupled to the cap body and that is capable of closing the nozzle portion on a ceiling portion. A top cover provided with a top portion, and the top cap allows the container to be supported in an inverted state, wherein the top cover has a seal part around the inside of the top part. An inverted cap having an opening formed on the outer surface. 2. A mounting part that can be mounted on a container, a seal part that can close the mouth part of the container, and the mounting part and the seal part are connected in series so that the container can be supported in an inverted state. An upside-down cap having a top part, wherein an opening is formed around the seal part of the top part over the inner and outer surfaces of the top part. 3. The inverted cap according to claim 1, wherein the opening of the top portion is formed to have an opening area larger than the area of a circle having a diameter of 8 mm.