Segmental longitudinal joint connector

CN309690925SActive Publication Date: 2025-12-23GUANGZHOU METRO DESIGN & RES INST CO LTD +1
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Patent Information

Application Number
CN202530226811.2
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-04-24
Publication Date
2025-12-23
Estimated Expiration
2040-04-24

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Abstract

1. Name of the design product: pipe piece longitudinal joint connector. 2. Use of the design product: used for the connection between pipe pieces in subway tunnel. 3. Design points of the design product: in shape. 4. Picture or photo best showing the design points: design 1 perspective view. 5. Design 1 is specified as the basic design.
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