Airtight container structure for loose powder with powdered powder
DE602022012393T2Inactive Publication Date: 2025-03-26SHYA HSIN PACKAGING INDUSTRY (CHINA) CO LTD
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Patent Information
- Application Number
- DE602022012393
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2021-10-18
- Filing Date
- 2022-08-27
- Publication Date
- 2025-03-26
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Technical Problem
Traditional loose powder cases suffer from poor airtightness, leading to the volatilization of volatile solvents in cosmetics, resulting in hardening and deterioration of the cosmetic, and uneven makeup application due to floating powder.
Method used
An airtight loose powder case structure featuring a base, upper lid, inner cup, and powder puff with screw threads, a seal ring, and a freely moving inner lid that creates a tight seal to prevent air leakage, ensuring long-term airtightness without damage.
Benefits of technology
The solution achieves effective airtightness, preventing cosmetic deterioration and ensuring even makeup application by maintaining the cosmetic's integrity and convenience in use.
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