Adjustable tunnel lining plug
CN310304533SActive Publication Date: 2026-11-06LUOYANG DINGTUN MASCH CO LTD
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Patent Information
- Application Number
- CN202630346639.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2026-07-06
- Publication Date
- 2026-11-06
- Estimated Expiration
- 2041-07-06
Smart Images
Figure 000007_ABST
Abstract
1. Name of the product in this design: Adjustable tunnel lining plug. 2. Application of this design: Adjustable plug for tunnel secondary lining template that is easy to adjust. 3. The key design elements of this product are the combination of shape, pattern, and color. 4. The image or photograph that best illustrates the design's key points: 3D view 1. 5. The design for which protection is sought includes color.
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