JPH09140442A - Airtight cosmetic container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To maintain airtightness by an elastic sealing material over a long period of time. SOLUTION: For this airtight cosmetic container, by openably and closably attaching an outer lid to a container main body 1 for housing an inner tray 2 for housing cosmetics and attaching the elastic sealing material 5 to a surface opposite to the opening edge top surface 4 of the inner tray 2 set at the peripheral edge part of an inner lid 3 attached to the inner surface of the outer lid corresponding to the inner tray 2, the airtightness between the inner lid 3 and the inner tray 2 is secured through the elastic sealing material 5. In this case, by providing a sealing surface 6 on the opening edge outer peripheral surface of the inner tray 2 and providing a sealing lip 8 to be in close contact with the sealing surface 6 on the elastic sealing material 5, a sealing part having the sealing surface 6 and the sealing lip 8 is isolated from the housing part of the cosmetics or the like through the opening edge top surface 4 and a stable airtight action is performed over a long period of time.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an airtight cosmetic container used as a container for cosmetics such as powder or cosmetics represented by puffs, and more particularly, to a stable airtightness over a long period of time. The present invention relates to an airtight cosmetic container capable of being obtained.

[0002]

2. Description of the Related Art As a conventional airtight cosmetics container, as shown in Japanese Utility Model Publication No. 7-18328, an elastic sealing material is attached to the upper edge of the inner plate contained in the container body, and this elastic sealing material A lid provided with a lid so as to be pressed and closely contacted with the lid to seal the inner plate, or Jikken 7-1832
As shown in Japanese Patent Publication No. 9 and FIG. 2, the elastic sealing material b attached to the lower peripheral edge of the inner lid a is airtightly fitted to the inner corner e of the upper edge of the inner tray d housed in the container body c. There is one in which the inner plate d is sealed. f is an outer lid, g is a mirror, h
Is a top plate, i is a plate frame, and j is a middle plate.

However, in the case of the airtight cosmetics container in which the elastic sealing material is attached to the upper edge of the inner plate as in the former case, the cosmetics contained in the inner plate or the cosmetics attached to the cosmetics are elastically sealed. There is a concern that the airtightness may be reduced by adhering to the material, or the content may be spilled due to the lowering of the airtightness of the elastic sealing material. Further, in the latter case in which the elastic sealing material b attached to the inner lid a is airtightly fitted to the inner corner e of the upper edge of the inner dish d, the cosmetics contained in the inner dish d are used. Alternatively, since the cosmetics or the like attached to the cosmetics adhere to the corners e and impair the airtightness of the elastic sealing material b, there is a high possibility that the contents will spill out as in the case described above, and this is avoided. Therefore, there is a problem that it is necessary to frequently clean the corner portion e.

[0004]

The present invention has been made in view of the above circumstances and provides an airtight cosmetic container capable of maintaining airtightness by an elastic sealing material for a long period of time. is there.

[0005]

SUMMARY OF THE INVENTION According to the present invention, an outer lid is openably and closably attached to a container body for accommodating an inner tray for storing cosmetics, and the inner lid is attached to the inner surface of the outer lid corresponding to the inner tray. An airtight makeup that secures airtightness between the inner lid and the inner plate through the elastic seal material by attaching an elastic seal material to the surface of the peripheral portion of the inner plate facing the opening edge top surface of the inner plate. In the food container, a sealing surface is provided on the outer peripheral surface of the opening edge of the inner plate, and a sealing lip that is in close contact with the sealing surface is provided on the elastic sealing material. Incidentally, the inner peripheral portion of the top surface of the opening edge of the inner plate can be lowered stepwise to form a paragraph.

Further, according to the present invention, the elastic seal member is provided with a ridge bulging toward the top surface of the opening of the inner plate so as to come into contact with the top surface of the opening, and the top surface is located at substantially the same phase as the ridge. It is possible to form a recess that is recessed toward the inside of the elastic sealing material from the side of the inner lid, and provide a plurality of ribs along the circumferential direction on the top surface of the opening edge of the inner plate.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention will be described in detail below with reference to the drawings. FIG. 1 shows an embodiment of an airtight cosmetic container according to the present invention.
In FIG. 1, (1) shows the container body of the airtight cosmetic container, inside of which the inner plate (2) is detachably accommodated, and the outer lid can be opened and closed via a hinge (not shown). Is attached to. The container body (1) is reinforced AB
It is made of a hard resin material such as S, but the middle plate (2) is made of P
It may be made of a hard resin material such as ET, PP or amorphous olefin, or a metal such as Al.

An opening edge top surface of the inner plate (2) is provided at a peripheral edge portion of a lower surface of the inner cover (3) attached to the inner surface of the outer cover corresponding to the inner plate (2).
An elastic sealing material (5) that abuts (4) is attached.
The inner lid (3) is made of a hard resin material such as PP, and the elastic sealing material (5) is made of an elastic material such as butyl rubber. Further, a tapered sealing surface (6) having a diameter gradually increasing downward is formed on the outer periphery of the opening edge top surface (4) of the inner plate (2), and the opening edge of the inner plate (2) is formed. Top
In (4), a plurality of ribs (7) are formed along the collecting direction.

The elastic sealing material (5) is provided with a sealing lip (8) which is in close contact with the sealing surface (6),
A ridge (9) that bulges toward the top surface (4) so as to contact the (4)
Is provided. Then, a recess (10) that is recessed toward the top surface (4) is formed from the inner lid (3) side at a position substantially in the same phase as that of the protrusion (9) to enhance elasticity of the protrusion (9). ing.

Further, the inner peripheral portion of the opening edge top surface (4) of the inner plate (2) is lowered stepwise to provide a paragraph (11), so that a portion lower than this paragraph (11) is provided. The cosmetics (not shown) can be stored. (12) is a middle plate made of Al-containing PP or the like.

In the airtight cosmetic container having the above structure, the ridge (9) contacts the opening edge top surface (4) of the inner plate (2) when the inner lid (3) is closed. At the same time as contacting and performing a sealing action, the seal lip (8) comes into contact with the sealing surface (8) and performs a sealing action. When the inner lid (3) is opened, the ridge (9) of the elastic sealing material (5) floats up from the opening edge top surface (4) of the inner plate (2) and the seal lip (8).
The inner plate (2) is opened in order to float above the sealing surface (6).

In such an airtight cosmetic container, a sealing surface (6) provided with the sealing lip (8) of the elastic sealing material (5) on the outer peripheral portion of the opening edge top surface (4) of the inner plate (2). So that it contacts the inner plate (2). For this reason, the seal portion formed by the seal surface (6) and the seal lip (8) is separated from the cosmetic accommodating portion by the opening edge top surface (4), so that the cosmetic material or the like is less likely to adhere to the seal portion. , Has a stable airtight function over a long period of time.

Further, when the inner peripheral edge of the opening edge top surface (4) of the inner plate (2) is lowered stepwise and the paragraph (11) is provided as in the embodiment, the storage of cosmetics or the like is carried out. Area and top of the opening edge of the inner plate (2)
(4) is cut off. For this reason, it is difficult for cosmetics to adhere to the opening edge top surface (4), or the surface of the cosmetic article is separated.
Even when the inner edge of (11) is rubbed to adjust the amount of cosmetics or the like to be attached, it becomes difficult for the cosmetics or the like to attach to the opening edge top surface (4) of the inner plate (2), and the elastic sealing material (5) The airtightness due to) is less likely to be impaired.

Further, as shown in the embodiment, the elastic sealing material (5) is provided so as to abut against the opening edge top surface (4) of the inner plate (2), and the recess (9) is formed inside the ridge (9). When 10) is provided, the elasticity of the ridge (9) becomes high and the inner and outer double sealing action is performed, so that the inner lid (3) is kept closed for a long time. Even if it is present, the airtightness of the elastic sealing material (5) is not impaired. Furthermore, when the rib (7) is provided on the opening edge top surface (4) of the inner plate (2), the contact pressure between the opening edge top surface (4) and the ridge (9) can be further increased. More airtight.

In the above embodiment, the tapered sealing surface (6) is provided on the outer periphery of the opening edge top surface (4) of the inner tray (2), but it is not always necessary to use the tapered sealing surface. ,
In short, any material may be used as long as it has a sealing surface that performs a sealing action by contact with the sealing lip (8) provided on the elastic sealing material (5). Further, in the embodiment, the groove recess (10) is provided over the entire area of the protrusion (9), but the recess (10) does not need to be continuous and an intermittent recess is provided. ,
Alternatively, a detachable flange (not shown) may be provided outside the sealing surface (6).

[0016]

According to the airtight cosmetic container according to the present invention, the following effects can be obtained.

1. Since the elastic sealing material is brought into contact with the outer peripheral surface of the opening edge top surface of the middle plate to perform the desired sealing action, it becomes difficult for cosmetics and the like to adhere to this sealing portion, and it is difficult to keep it for a long time. Therefore, stable airtightness can be obtained.

2. When the inner peripheral part of the top of the opening edge of the middle plate is provided with a stepped lower paragraph, the storage area for cosmetics and the like and the top surface of the opening edge of the inner plate are separated by the paragraph. In addition, it is difficult for cosmetics to adhere to the top surface of the opening edge, or when the surface of the cosmetic article is rubbed against the inner corners of the cosmetics to adjust the amount of cosmetics applied Since it is difficult for cosmetics and the like to adhere, the airtightness of the elastic sealing material is less likely to be impaired.

3. The elastic seal member is provided with a ridge that bulges toward the top surface of the opening of the inner plate so as to come into contact with the top surface.
When a recess that is recessed toward the top surface at a position substantially in the same phase as the ridge is formed on the elastic sealing material from the inner lid side, the elasticity of the ridge is increased and the double sealing effect of the inside and outside is provided. Therefore, even if the inner lid is kept closed for a long time, the airtightness of the elastic sealing material is not deteriorated.

4. When a plurality of ribs along the circumferential direction are provided on the top surface of the opening edge of the inner plate, the contact pressure between the top surface of the opening edge and the ridges can be made higher, so that the airtightness becomes higher.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an embodiment of an airtight cosmetic container according to the present invention.

FIG. 2 is a cross-sectional view showing a conventional example of an airtight cosmetic container.

[Explanation of symbols]

 (1) Container body (2) Middle plate (3) Middle lid (4) Opening edge top surface of middle plate (2) (5) Elastic sealing material (6) Sealing surface (7) Rib (8) Seal lip (9 ) Ridge (10) Recess (11) Paragraph (12) Middle plate

Claims (4)

[Claims] 1. An opening of an inner plate at a peripheral portion of an inner cover attached to an inner surface of the outer cover corresponding to the inner plate, the outer cover being openably and closably attached to a container main body for accommodating the inner plate for storing cosmetics. In an airtight cosmetic container in which an elastic sealing material is attached to the surface facing the edge top surface to ensure airtightness between the inner lid and the inner plate through the elastic sealing material, the opening of the inner plate An airtight cosmetic container characterized in that a sealing surface is provided on the outer peripheral surface of the edge and a sealing lip that is in close contact with the sealing surface is provided on an elastic sealing material. 2. The airtight cosmetics container according to claim 1, wherein the inner peripheral portion of the top surface of the opening edge of the inner plate is stepped so as to have a paragraph. 3. The elastic seal member is provided with a ridge that bulges toward the top surface of the opening of the inner plate to abut the top surface of the opening, and the ridge extends toward the top surface at substantially the same phase as the ridge. The airtight cosmetic container according to claim 1 or 2, wherein an indentation is formed in the elastic sealing material from the inner lid side. 4. The airtight cosmetic container according to claim 3, wherein a plurality of ribs along the circumferential direction are provided on the top surface of the opening edge of the inner plate.