Plastic seal cap (with negative pressure suction)

CN309658105SActive Publication Date: 2025-12-09CHAOZHOU CHAOAN DISTRICT LONGSHENG HARDWARE PRODUCTS CO LTD
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Patent Information

Application Number
CN202530212587.1
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-04-18
Publication Date
2025-12-09
Estimated Expiration
2040-04-18

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Abstract

1. The name of the design product: plastic sealing cover (with negative pressure air extraction). 2. The use of the design product: used on the storage tank, improve the sealing of the storage tank, can extract vacuum for the storage tank. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.
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