Downhole plugging airbag

CN309423719SActive Publication Date: 2025-08-05GUANGZHOU CITY DRAINAGE CO LTD
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Patent Information

Application Number
CN202430567449.0
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2024-09-05
Publication Date
2025-08-05
Estimated Expiration
2039-09-05

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Abstract

1. Name of the Design Product: Downhole-free Plugging Airbag. 2. Use of the Design Product: It can plug the pipelines of sewage wells and drainage wells without going down into the well. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Stereogram.
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