Pressure expansion sealing hose

CN310002036SActive Publication Date: 2026-05-26SHANGHAI HAPPY PACKAGING MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
SHANGHAI HAPPY PACKAGING MATERIALS CO LTD
Filing Date
2025-10-27
Publication Date
2026-05-26

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Abstract

1. Name of the product in this design: Pressure Expansion Sealing Hoses. 2. Purpose of this design: This design is used to connect pipes to pressurize water or gas, causing the hose to expand and press against the waterproof cloth to seal within a specific spatial structure, thus blocking water flow and preventing leakage. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design.
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