Fire check valve (injection diversion type)
CN309126825SActive Publication Date: 2025-02-18BEIJING SHUNTIANYOU JINMAO BUILDING MATERIALS CO LTD
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Patent Information
- Application Number
- CN202430440339.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-15
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2039-07-15
Smart Images
Figure 000007_ABST
Abstract
1. The name of this design product: Fireproof check valve (injection and diversion type). 2. The purpose of this design product: used for residential kitchen and bathroom exhaust ducts, with functions such as fire prevention, backflow prevention, and injection and diversion. 3. The design key point of this appearance design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the design points: three-dimensional picture.
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