shield tail brush

CN309960103SActive Publication Date: 2026-05-05BEIJING JINGHESHUNTONG TUNNEL ENG CO LTD
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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

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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.
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