Hollow double-walled spiral heat-insulating tube (liquid oxygen burst protection device)

CN309820537SActive Publication Date: 2026-02-27董志海 +1
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Patent Information

Application Number
CN202530470588.6
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-08-11
Publication Date
2026-02-27
Estimated Expiration
2040-08-11

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Abstract

1. The name of the design product: hollow double-wall spiral heat preservation pipe (liquid oxygen induced fracture protection device). 2. The use of the design product: for underwater or water operation. 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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