shield tail brush
CN309960103SActive Publication Date: 2026-05-05BEIJING JINGHESHUNTONG TUNNEL ENG CO LTD
View PDF 0 Cites 0 Cited by
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- BEIJING JINGHESHUNTONG TUNNEL ENG CO LTD
- Filing Date
- 2025-09-02
- Publication Date
- 2026-05-05
Smart Images

Figure 000007_ABST
Abstract
1. Name of the product in this design: Shield Tail Brush. 2. Purpose of this design: This design is installed at the tail of a tunnel boring machine (TBM) or inside the receiving sleeve of the TBM, and is used to prevent mud and water from seeping into the tail of the TBM or the sleeve. 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.
Need to check novelty before this filing date? Find Prior Art