Grout pin spreader (016A)

CN309738439SActive Publication Date: 2026-01-16钟亚尔
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Patent Information

Application Number
CN202530296634.5
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-05-26
Publication Date
2026-01-16
Estimated Expiration
2040-05-26

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Abstract

1. The name of the design product: grouting nail open member (016A). 2. The use of the design product: a device for preventing the grouting nail from falling off after being hit into the tunnel or wall. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
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