Well lid opening hole rubber plug

CN310038052SActive Publication Date: 2026-06-19HENGSHUI YOUJIETE PETROLEUM EQUIP TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
HENGSHUI YOUJIETE PETROLEUM EQUIP TECH CO LTD
Filing Date
2025-11-29
Publication Date
2026-06-19

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Abstract

1. Name of this design product: Manhole cover opening hole rubber plug. 2. Purpose of this design: To seal and plug the opening of a manhole cover. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.
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