Protective plugs for segment bolt holes

CN310084295SActive Publication Date: 2026-07-14SHENZHEN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
SHENZHEN UNIV
Filing Date
2026-06-09
Publication Date
2026-07-14

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Abstract

1. Name of this design product: Protective plug for pipe segment bolt holes. 2. Purpose of this design: This design is used to seal and protect the bolt holes of shield tunnel segments. 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 view 1.
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