Tunnel flexible fire shutter
CN309953506SActive Publication Date: 2026-05-01SHANXI PROVINCIAL TRANSPORTATION SAFETY EMERGENCY SUPPORT TECH CENT (CO LTD)
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- SHANXI PROVINCIAL TRANSPORTATION SAFETY EMERGENCY SUPPORT TECH CENT (CO LTD)
- Filing Date
- 2025-10-30
- Publication Date
- 2026-05-01
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Figure 000001_ABST
Abstract
1. Name of the product in this design: Flexible Fireproof Roller Shutter for Tunnels. 2. Purpose of this design: In the event of a fire in a tunnel, to separate the tunnel space, block the spread of smoke, and slow the spread of fire. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.
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