Double-door fire damper
CN309843747SActive Publication Date: 2026-03-13YANDU DISTRICT DINGSHENG SMOKE EXHAUST PIPE VALVE FACTORY YANCHENG CITY
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-21
- Publication Date
- 2026-03-13
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Figure 000008_ABST
Abstract
1. Name of this product design: Double-door fire damper. 2. Purpose of this design: This design is used to prevent backflow of oil fumes. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 2.
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