Container for two-part skin-improving cosmetic

Abstract

To make it possible to reliably acquire two kinds of compositions in desired quantities respectively and to evenly mix them in a container for a two-liquid-type cosmetic that takes effect of skin-revitalizing action with immediate effectiveness.SOLUTION: In a container for two-liquid-type skin-revitalizing cosmetic where a first part and a second part are housed in a non-contact state, the first part contains sodium silicate and water, the second part contains carbomer and water, peripheral edge parts of layered first film and second film are bonded, a housing space where fluid can be housed between the first film and the second film is formed, and the housing space has a first chamber for housing the first part and a second chamber for housing the second part. The first chamber and the second chamber are separated by a boundary part where the first film and the second film are bonded with bonding strength weaker than the peripheral edge parts.SELECTED DRAWING: Figure 1

Claims

1. A container for a two-part skin-improving cosmetic, in which the first and second parts are contained in a non-contact manner, The periphery portions of the overlapping first and second films are joined, and a containment space capable of containing a fluid is formed between the first and second films. The accommodation space has a first chamber for accommodating the first part and a second chamber for accommodating the second part, and the first chamber and the second chamber are separated by a boundary portion formed by the first film and the second film being joined with a weaker bonding strength than the peripheral portion. The first chamber has a first convex wall formed by the second film, The first convex wall has a top wall including the position that is most bulging in the thickness direction, an upper wall that rises gently in the thickness direction toward the top wall, and a lower wall that rises more sharply in the thickness direction toward the top wall than the upper wall. The second chamber has a second convex wall formed by the second film, In the first chamber, the maximum thickness h1 between the first film and the top wall is greater than the maximum thickness h2 between the first film and the second convex wall in the second chamber. container.

2. The container according to claim 1, wherein by pressing at least one of the first chamber and the second chamber from the outside, the joint of at least a portion of the boundary is released, and the first portion and the second portion can be mixed.

3. The container according to claim 1 or 2, wherein the first film is planar and the second film has a bulging shape.

4. A separable tab portion is formed on the peripheral edge, The container according to any one of claims 1 to 3, wherein a discharge passage communicating with the first chamber or the second chamber can be formed by separating the tab portion.

5. The container according to any one of claims 1 to 4, wherein at least one of the first or second part comprises glycylglycine.

6. The container according to claim 1, wherein when an external force is applied to at least one of the first chamber and the second chamber, the joint of at least a portion of the boundary is released, and the first part and the second part are configured to mix.

7. The aforementioned peripheral portion is joined inseparably, The boundary portion is detachably joined, The container according to any one of claims 1 to 6.

8. The first part comprises a carboxyvinyl polymer and water, The second part comprises sodium silicate and water, The container according to any one of claims 1 to 7.

9. The container according to any one of claims 1 to 8, wherein the boundary portion is configured such that when a force is applied to at least one of the first chamber and the second chamber, at least a portion of the joint separates and the first chamber and the second chamber communicate.

10. The first film is a single-layer or laminated film comprising one or more flexible resins selected from the group consisting of polyethylene, polypropylene, polyvinyl chloride, polyethylene terephthalate, and nylon. The container according to any one of claims 1 to 9, wherein the second film is a laminated film comprising a metal film and one or more flexible resin films selected from the group consisting of polyethylene, polypropylene, polyvinyl chloride, polyethylene terephthalate, and nylon, and the resin films are laminated on at least the surface of the metal film facing the first film.

11. A container for a two-part skin-improving cosmetic, wherein a first part and a second part are contained in a non-contact state, The periphery portions of the overlapping first and second films are joined, and a containment space capable of containing a fluid is formed between the first and second films. The accommodation space has a first chamber for accommodating the first part and a second chamber for accommodating the second part, and the first chamber and the second chamber are separated by a boundary portion formed by the first film and the second film being joined with a weaker bonding strength than the peripheral portion. The boundary portion is configured such that when a force is applied to at least one of the first chamber and the second chamber, at least a portion of the joint separates, and the first chamber and the second chamber come into communication.

12. A preparation step of preparing a container containing the first and second parts of a two-part skin-improving cosmetic composition in a non-contact state, A mixing step of mixing the first part and the second part, Includes, In the aforementioned preparation stage, the container is The periphery portions of the overlapping first and second films are joined, and a containment space capable of containing a fluid is formed between the first and second films. The accommodation space has a first chamber for accommodating the first part and a second chamber for accommodating the second part, and the first chamber and the second chamber are separated by a boundary portion formed by the first film and the second film being joined with a weaker bonding strength than the peripheral portion. The first chamber has a first convex wall formed by the second film, The first convex wall has a top wall including the position that is most bulging in the thickness direction, an upper wall that rises gently in the thickness direction toward the top wall, and a lower wall that rises more sharply in the thickness direction toward the top wall than the upper wall. The second chamber has a second convex wall formed by the second film, In the first chamber, the maximum thickness h1 between the first film and the top wall is greater than the maximum thickness h2 between the first film and the second convex wall in the second chamber. The mixing step includes applying an external force to at least one of the first chamber and the second chamber to at least partially separate the joint at the boundary and to connect the first chamber and the second chamber, Instructions for using the container.

13. The mixing step includes forming an enlarged chamber in which the first chamber and the second chamber are connected, The method of using the container according to claim 12, further comprising the step of repeatedly pressing the enlarged chamber from the outside.

14. A preparation step of preparing a container containing the first and second parts of a two-part skin-improving cosmetic composition in a non-contact state, A mixing step of mixing the first part and the second part, Includes, In the aforementioned preparation stage, the container is The periphery portions of the overlapping first and second films are joined, and a containment space capable of containing a fluid is formed between the first and second films. The accommodation space has a first chamber for accommodating the first part and a second chamber for accommodating the second part, and the first chamber and the second chamber are separated by a boundary portion formed by the first film and the second film being joined with a weaker bonding strength than the peripheral portion. The mixing step includes applying an external force to at least one of the first chamber and the second chamber to at least partially separate the joint at the boundary, to connect the first chamber and the second chamber, and to form an enlarged chamber to which the first chamber and the second chamber are connected. The step further includes repeatedly applying pressure to the enlarged chamber from the outside, Instructions for using the container.

15. A preparation step of preparing a container containing the first and second parts of a two-part skin-improving cosmetic composition in a non-contact state, In the preparation step, a mixing step is taken in which the first part and the second part are mixed, Includes, The aforementioned container is The periphery portions of the overlapping first and second films are joined, and a containment space capable of containing a fluid is formed between the first and second films. The accommodation space has a first chamber for accommodating the first part and a second chamber for accommodating the second part, and the first chamber and the second chamber are separated by a boundary portion formed by the first film and the second film being joined with a weaker bonding strength than the peripheral portion. The first chamber has a first convex wall formed by the second film, The first convex wall has a top wall including the position that is most bulging in the thickness direction, an upper wall that rises gently in the thickness direction toward the top wall, and a lower wall that rises more sharply in the thickness direction toward the top wall than the upper wall. The second chamber has a second convex wall formed by the second film, In the first chamber, the maximum thickness h1 between the first film and the top wall is greater than the maximum thickness h2 between the first film and the second convex wall in the second chamber. The mixing step includes applying an external force to at least one of the first chamber and the second chamber to at least partially separate the joint at the boundary and to connect the first chamber and the second chamber, A method for producing a two-part skin-improving cosmetic.

16. A preparation step of preparing a container containing the first and second parts of a two-part skin-improving cosmetic composition in a non-contact state, In the preparation step, a mixing step is taken in which the first part and the second part are mixed, Includes, The aforementioned container is The periphery portions of the overlapping first and second films are joined, and a containment space capable of containing a fluid is formed between the first and second films. The accommodation space has a first chamber for accommodating the first part and a second chamber for accommodating the second part, and the first chamber and the second chamber are separated by a boundary portion formed by the first film and the second film being joined with a weaker bonding strength than the peripheral portion. The mixing step includes applying an external force to at least one of the first chamber and the second chamber to at least partially separate the joint at the boundary, to connect the first chamber and the second chamber, and to form an enlarged chamber to which the first chamber and the second chamber are connected. The step further includes repeatedly applying pressure to the enlarged chamber from the outside, A method for producing a two-part skin-improving cosmetic.

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