Cap for cosmetic case

Abstract

A cap for a cosmetic case is provided. The cap includes a cap body and a sealing member. The cap body is made of a hard material and includes an upper wall, a sidewall extending downwards from an edge of the upper wall, a threaded portion formed on an inner circumference of the sidewall, and a fitting space defined by an inner border surface between the upper wall and the sidewall. The sealing member is press-fitted into the fitting space of the cap body, and exerts or releases a sealing force on or from the mouth of the cosmetic case when the cap body is opened or closed relative to the mouth of the cosmetic case in the threaded fastening method. The sealing member includes a hard circular support plate, and a sealing portion integrally formed on a surface of the circular support plate by insert molding.

Description

technical field [0001] The present invention relates to a cap for sealing the injection port of a cosmetic container for packaging cream type cosmetic materials. In addition, a stable sealing force is provided or released through the opening and closing operation of the cap body in a threaded manner. Background technique [0002] The structure of sealing the injection port of a cosmetic container for packaging cream cosmetic materials is well known. In this structure, a compressed and foamed pillar (polite) sealing member is integrally attached to the inner bottom surface of the cap body. At the same time, The upper surface of the injection port is additionally covered with a plastic auxiliary cover, and this structure realizes sealing. [0003] However, when the cap body is threaded in the way of sealing with a pillar seal, the pillar seal is forcibly crimped to the upper surface of the injection port of the cosmetic container and rotates together, so it is difficult to av...

AI Technical Summary

Problems solved by technology

[0003] However, when the cap body is threaded in the way of sealing with a pillar seal, the pillar seal is forcibly crimped to the upper surface of the injection port of the cosmetic container and rotates together, so it is difficult to avoid contact with the injection port during this process. The crimping surface of the upper surface of the seal is damaged or damaged, and it will leave sealing marks after long-term use, making it difficult to provide a stable sealing force

Or it is difficult to prevent cosmetic moisture from evaporating due to the characteristics of pillar stone seals that allow air to circulate

Moreover, when using cosmetics, it is necessary to open and close the auxiliary cover one by one, causing inconvenience in use

[0004] In particular, when a pillar seal is used, due to the integrally attached structure of the seal, the cosmetic container made of glass material is not maintained horizontally during the molding process, and when it is molded slightly inclined, it cannot be actively sealed by corresponding measures. Therefore, in the past There have been calls for improvement for a long time

[0005] In view of this, in the structure disclosed in Korean Patent No. 1268157, an elastic material seal is integrally embedded in the cap (cap) or is equipped with an ultrasonic method integrally in the cap (cap) to seal the injection port of the cosmetic container, and Many other types of sealing structures, but it is difficult to prevent seal damage and provide stable sealing force

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