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2022
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Invention
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Structural flame retardant high strength low exothermic polymer grouting material for consolidati... |
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Invention
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Silicate modified polymer foam material for filling and sealing.
A silicate modified polymer foa... |
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2020
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Invention
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Pipeline radar and television inspection robot. The present application discloses a pipeline rada... |
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Invention
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Trenchless rehabilitation device for disconnects on large-diameter concrete drainage pipe and met... |
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Invention
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In-service repair method combining externally bonded pre-stressed frp and polymer grouting for pc... |
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Invention
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Support tool and back-pressure grouting device for leakage repair of inspection well and repair m... |
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Invention
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Trenchless methods for forming curved hole channel with steel sleeve and pipeline lifting. Trench... |
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Invention
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Composite slotting equipment combined static pressure and vibration of polymer anti-seepage wall ... |
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Invention
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Trenchless rehabilitation system for deformation of large diameter hdpe pipelines and method ther... |
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Invention
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Detecting and repairing method for external diseases of buried drainage pipeline. A method for de... |
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Invention
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Track-type jet grouting integrated system. A track-type shotcrete integrated system includes: a p... |
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Invention
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Trenchless integrative repair method for concrete drainage pipeline with cracking, corrosion and ... |
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Invention
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In-service and trenchless repair method for disconnection of drainage pipeline. A in-service tren... |
