Mask breathing valve
CN309326606SActive Publication Date: 2025-06-06TONGCHENG YAJIE LABOR PROTECTION PRODUCTS CO LTD
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Patent Information
- Application Number
- CN202430640973.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-11
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2039-10-11
Smart Images
Figure 000007_ABST
Abstract
1. The name of this design product: mask breathing valve. 2. Purpose of this design product: The breathing valve used on the mask can effectively reduce the exhalation resistance and relieve the stuffiness and breath holding. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.
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