Aluminum alloy formwork construction joint concrete intercepting device

CN224379420UActive Publication Date: 2026-06-19CHINA CONSTR SECOND ENG BUREAU SHENZHEN SOUTHERN CONSTR INVESTMENT CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHINA CONSTR SECOND ENG BUREAU SHENZHEN SOUTHERN CONSTR INVESTMENT CO LTD
Filing Date
2025-05-21
Publication Date
2026-06-19

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Abstract

This utility model provides a concrete interception device for construction joints of aluminum alloy formwork. The device includes: a U-shaped aluminum alloy formwork installed on the original building's aluminum alloy formwork; a sealing groove 1 and a sealing groove 2 are respectively formed on the outer wall of the side of the U-shaped formwork that contacts the original formwork; the U-shaped formwork has a wide flange, which is connected and fixed to the original formwork by a fixing component, which includes pins and pin plates. This utility model provides a reusable concrete interception device for construction joints of aluminum alloy formwork, reducing concrete seepage, saving construction costs, reducing chiseling work, facilitating construction joint cleaning, overcoming the drawbacks of traditional joint treatments, simplifying joint treatment, and simultaneously reserving a pressure groove at the interface between the old and new concrete to form a tenon and mortise structure, improving the interlocking force of the concrete at the joint and effectively ensuring construction quality.
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