Mechanical device for repairing cracks in tunnel concrete lining

CN310296466SActive Publication Date: 2026-11-03ZHENGZHOU UNIV
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Patent Information

Application Number
CN202630213840.X
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2026-04-30
Publication Date
2026-11-03
Estimated Expiration
2041-04-30

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Abstract

1. The name of the design product: tunnel concrete lining crack repair mechanical device. 2. The use of the design product: the design product is used for automatic identification, positioning and grouting repair of cracks. 3. The design points of the design product: the overall shape of the design product. 4. The picture or photo that best shows the design points: perspective view.
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