JP6301598B2 - Liquid container - Google Patents

Description

  The present invention relates to a liquid container for storing cosmetics such as fluid eyeliner, mascara, nail polish, lipstick and the like.

Conventionally, as a liquid container for storing cosmetics having fluidity such as mascara, for example,
1) A container for storing the contents liquid and having an opening, a cap for preventing volatilization of the contents liquid from the opening of the container, and the contents liquid in the container connected to the inside of the cap. In a liquid application container having an application bar for taking out and applying the content liquid to a target location, the application bar is composed of a support bar connected to the inside of the cap and an application body having a capillary force connected to the support bar, A liquid application container (see, for example, Patent Document 1), characterized in that an air inflow part through which air can flow into the rear part of the application body is provided at the connection part of the support bar with the application body,
2) A liquid container comprising an iron body fitted into an opening of a container for storing a liquid and an application shaft inserted through the iron body into the container, and the iron body has flexibility. It is formed into a substantially cylindrical shape by the material, and the opening width of this ironing body is gradually narrowed from one end to the other end, and gradually widened from the other end to the other end. A liquid container (see, for example, Patent Document 2) characterized in that a slit is provided on the peripheral wall in the axial direction is known.
When removing the cap, these liquid containers can be removed from the container main body in a state in which the liquid is contained together with the cap.

  However, in the liquid containers described in Patent Documents 1 and 2, the screw part of the cap is affected during use, and the application part is difficult to reach the bottom of the container body, and in particular, the remaining amount of the coating liquid in the container body. When there is little, supply of the liquid to an application part may not be easy.

Therefore, a liquid container suitable for a mascara coating apparatus in which a cap and a coating unit are separate bodies (for example, see Patent Document 3) is known.
However, in the technique disclosed in Patent Document 3, when the coating liquid is not used for a long time, the coating liquid dries and the coating section and the container main body are bonded, and in use, the coating section is removed. The current situation is that there are issues such as difficulties.

JP-A-2004-59035 (Claims, FIGS. 1 and 2) JP 2003-310346 A (Claims, FIGS. 1 and 2) Full text of Japanese Utility Model Publication No. 52-15369 (claims, FIG. 1 etc.)

  The present invention has been made in view of the above-mentioned problems of the prior art and the current situation, and is intended to solve this problem. In use, a liquid container in which the application part can be easily detached from the container body and the liquid can be easily supplied. It is an issue to provide.

  As a result of intensive studies on the above-mentioned problems of the prior art, the present inventor has provided a container main body containing a liquid, a cap screwed with the container main body, an application shaft protruding from the container main body and separated from the cap. A liquid container having an application body impregnating the liquid in the container body in front of the application part, and by making the outer surface structure of the application shaft and the inner surface structure of the cap a specific structure, The inventors have found that a liquid container for the above purpose can be obtained, and have completed the present invention.

That is, the liquid container of the present invention includes a container main body that contains the liquid, a cap that is screwed with the container main body, and an application unit that protrudes from the container main body and has an application shaft that is separated from the cap. A liquid container having an application body that impregnates the liquid in the container body in front of the application shaft, wherein the application shaft is formed with an outer peripheral portion that protrudes in a radial direction from an outer surface of the application shaft. On the rear side, when the cap is attached to the container body by screwing, a cam portion that engages with a cam groove formed on the inner surface of the cap is formed , and the cap is rotated in a direction to release the screwing, When the cap is removed from the container body, the applicator rotates together with the cap while the cam groove of the cap and the cam of the applicator are engaged. Disengagement from cam When the cap is separated from the cap and the cap is removed from the container body, the applicator also rotates together with the cap, and the cam groove of the cap and the cam portion of the applicator are engaged. The application part is separated from the cap when the is detached .
It is preferable that a taper portion having an inclined shape having an inclined surface whose diameter increases toward the rear is formed in front of the outer peripheral portion and is in contact with the container body.

  According to the present invention, with a simple structure, when the cap is removed, the coating portion having the cam portion engaged with the cam groove of the cap rotates with the rotation of the cap, so that the adhesion between the coating portion and the container body is peeled off. Provided is a liquid container excellent in sealability and usability that can easily supply liquid to the application body during use. In addition, by forming the tapered portion in front of the outer peripheral portion, it is possible to facilitate the centering of the application portion during storage and to provide a liquid container having excellent sealing properties.

(A) And (b) shows an example of embodiment of the liquid container which concerns on this invention, (a) is the longitudinal cross-sectional view, (b) is the front view. (A) And (b) is the longitudinal cross-sectional view and front view of the state which removed the cap from the form of FIG. (A) And (b) is the longitudinal cross-sectional view and front view which show an example of the application part comprised from an application | coating axis | shaft and an application body. It is a perspective view of the application part of FIG. (A)-(e) is a front view which shows an example of an application | coating axis | shaft, a longitudinal cross-sectional view, a left side view, a right side view, and a perspective view sequentially. (A)-(c) is the longitudinal cross-sectional view which shows an example of a cap, a right view, and a perspective view sequentially. It is a partial expanded sectional view which shows the engagement state of the cam groove of a cap and the cam part of an application | coating shaft by a cross-sectional aspect.

An example of an embodiment of the present invention will be described with reference to the drawings. In addition, the front in this specification shows the application body side seeing from the application part, and back shows the application shaft side.
FIG. 1 shows an example of an embodiment of a liquid container according to the present invention, in which (a) is a longitudinal sectional view thereof, and (b) is a front view thereof.

  As shown in FIGS. 1A and 1B, the liquid container A of the present embodiment includes a container main body 10 containing a coating liquid K as a liquid, a cap 20 screwed into the container main body 10, and the container An applicator 30 that protrudes from the main body 10 and separates from the cap 20 is provided.

The container main body 10 is formed in a bottomed cylindrical transparent small size having a neck portion 11, and a predetermined amount of a coating liquid K having fluidity composed of nail, mascara and the like is accommodated in the container main body 10.
The coating liquid K is not particularly limited in terms of its viscosity, but is a content liquid having at least fluidity, specifically, an eyeliner, mascara, nail polish, lipstick, correction liquid, hair dye, various adhesives. (For example, a dental adhesive etc.), a paint, a medicine, etc. are included, and this embodiment is a mascara having fluidity.
A neck portion 11 having an elongated cylindrical opening 12 is integrally formed upward at the upper portion of the container body 10, and a fastening screw portion 13 is threaded in the circumferential direction on the outer peripheral surface of the neck portion 11. The screw portion 21 on the inner peripheral surface of the cap 20 is detachably screwed into the screw portion 13 of the neck portion 11. The container body 10 is transparent, translucent, or opaque, and has a bottomed cylindrical body. The cross section of the container body 10 can be cylindrical, elliptical, polygonal, etc. It is a bottomed cylindrical body.

In the present embodiment, the ironing body 25 is inserted into the opening 12 of the container body 10. The ironing body 25 is made of a material having flexibility and viscoelasticity, and is basically formed in a substantially cylindrical shape. The diameter (opening width) of the ironing body 25 extends from the vicinity of the upper end (one end) to the lower portion (the other end). The diameter is gradually reduced as it goes to). Examples of the material of the iron body 25 include various rubbers, elastomers, soft plastics, and semi-rigid plastics. More specifically, silicone rubber, butadiene rubber (BR), acrylonitrile butadiene rubber (NBR), ABS, PP And PS resin. In this embodiment, it is comprised from the ironing body made from NBR.
Further, a ring-shaped flange 26 protrudes radially outward from the upper end portion of the ironing body 25, and this flange 26 is configured to be fitted and locked to the opening peripheral edge portion 12 a of the neck portion 11 of the container body 10. ing. The ironing body 25 can be formed into a cylindrical shape, an elliptical cylindrical shape, a polygonal cylindrical shape or the like according to the shape of the opening 12 of the container body 10.

  As shown in FIGS. 1 to 5, the application unit 30 includes an application shaft 31 and an application body 40, and an application body 40 for attaching a content liquid is fitted to the tip of the application shaft 31. Specifically, the rod-shaped attachment portion 41 of the application body 40 is fixed to the attachment hole 32a formed in the shaft portion 32 on the distal end side of the application shaft 31 by fitting or the like. In this embodiment, the applicator 40 is a disc-shaped brush body 42, 42,... Whose outer peripheral surface is a brush shape, and is integrally formed at predetermined intervals to form an applicator. Depending on the seed, application mode, etc., a brush, a brush, a sponge or the like may be used.

The application shaft 31 is formed to have a diameter substantially the same as or slightly larger than the diameter of the lower part in the ironing body 25, and scrapes off the content liquid adhering to the application body 40 in the vicinity of the lower part in the ironing body 25. It works as follows. Furthermore, the coating shaft 31 may be solid or hollow.
As shown in FIGS. 3 to 5, an outer peripheral portion 34 projecting radially from the grip portion 33 is provided at a substantially central portion in the axial direction of the coating shaft 31, and toward the rear in front of the outer peripheral portion 34. A tapered portion 35 having an inclined surface having an enlarged diameter and a cam portion 36 having a plurality of inclined protrusions in the circumferential direction are formed on the rear side. The tapered portion 35 has a function of centering the application body 40 when the application body 40 is inserted into the container body 10 when not in use, and has a structure that comes into contact with the container body 10 when sealed with the cap 20. This can contribute to an improvement in sealing performance.

As shown in FIGS. 6 and 7, the cap 20 is formed in a bottomed cylindrical shape, and a screw portion 21 that is screwed with a screw portion 13 formed on the outer periphery of the neck portion 11 of the container body 10 is formed on the inner surface of the cap 20. Is formed. Further, cam grooves 22, 22... Having a plurality of inclined surfaces 22 a, 22 a. The cam grooves 22, 22... Have slope portions 36 a, 36 a that mesh with the cam portions 36, 36 formed on the application shaft 31 when the cap 20 is screwed onto the container body 10.
The number of protrusions of the cam portion 36 is two in this embodiment, but if the structure can be engaged (engaged) with the cam grooves 22, 22. May be.
The coating shaft 31 and the cap 20 are molded using materials such as ABS, PP, PS, PE resin, recycled plastic, EVOH, PET, nylon, PBT, PA, and POM resin having impact resistance and mechanical properties. The In the present embodiment, the application shaft 31 and the cap 20 are formed of polypropylene (PP).

The liquid container A configured as described above is used in the following manner.
First, by releasing the screwing of the cap 20 from the container body 10, the cap 20 can be removed as shown in FIG. Due to the rotation of the cap 20 by screwing, the application unit 30 also rotates simultaneously with the cap 20. Due to the rotation at that time, the adhesion between the container body 10 and the application part 30 is peeled off by drying of the application liquid or the like, and the removal becomes easy. When the cap 20 is completely removed from the container body 10, the application portion does not rotate because the cam groove 22 of the cap 20 and the cam portion 36 of the application portion 30 are completely separated from each other. As described above, in such a liquid container A, if the cap 20 is rotated and pulled upward, the application shaft 31 is extracted from the container main body 20, and the application body 40 wetted with the application liquid K of the container main body 10 is used, it is easy. It can be made up.

Moreover, since the application body 40 tends to reach the bottom in the container main body 10 during use, liquid supply to the application section is facilitated especially when the remaining amount of the application liquid in the container main body 10 is small.
Further, by forming the tapered portion 35 in front of the outer peripheral portion of the application shaft 31, the tapered portion 35 serves to center the application body 40 when the application body 40 is inserted into the container body 10 when not in use. It has a structure that can also contribute to the improvement in sealing performance when sealed with the cap 20.

As described above, the liquid container of the present invention has a configuration excellent in sealing performance, usability, and the like, but is not limited to the above embodiment, and various modifications are made within the scope of the technical idea of the present invention. It is something that can be done.
In the above embodiment, the liquid container can be preferably applied to cosmetics, particularly mascara. For example, if the application body is a brush type and a liquid hair dye is used as the application liquid, for hair (for hair dyeing) It can also be suitably implemented as a liquid container.
Moreover, in the said embodiment, the cap 20 may be attached to the container main body 10 by screwing, or may be attached by fitting, and an attaching method by appropriate fitting may be adopted. .

  In the liquid container of this invention, it can be used conveniently for the liquid container etc. which accommodate cosmetics, such as eyeliner, mascara, nail polish, and lipstick.

A liquid container 10 container body 20 cap 22 cam groove 30 application part 31 application shaft 34 outer peripheral part 35 taper part 36 cam part 40 application body

Claims (1)

A container main body containing a liquid, a cap threadedly engaged with the container main body, and an application portion that protrudes from the container main body and has an application shaft that is separated from the cap. A liquid container having an application body impregnated with a liquid, wherein the application shaft is formed with an outer peripheral portion projecting radially from an outer surface of the application shaft, and a cap is attached to the container body behind the outer peripheral portion. When mounting by screwing, a cam portion that engages with a cam groove formed on the inner surface of the cap is formed , and when the cap is rotated in a direction to release the screwing and the cap is removed from the container body, While the cam groove of the cap and the cam portion of the application portion are engaged, the application portion also rotates together with the cap, and then the engagement between the cam groove of the cap and the cam portion of the application portion is released. Separates the application part from the cap Liquid container, characterized in that that.

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