Exhaust valve (packaging bag)

CN309851348SActive Publication Date: 2026-03-17LELIUWOJIN PLASTIC PROD FACTORY SHUNDE DISTRICT FOSHAN CITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-07-30
Publication Date
2026-03-17

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Abstract

1. Name of the product in this design: Exhaust valve (packaging bag). 2. Purpose of this design: To vent powdery or granular substances inside a packaging bag. 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 view 1.
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