Multi-stage polished rod sealing device

CN309328170SActive Publication Date: 2025-06-10SHAANXI FURUITE TECH & TRADING CO LTD
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Patent Information

Application Number
CN202430654064.8
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2024-10-17
Publication Date
2025-06-10
Estimated Expiration
2039-10-17

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Abstract

1. Name of the design product: Multi-stage polished rod sealing device. 2. Use of the design product: Used for sealing connection of the rod body. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Perspective view 1.
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