| 摘要 |
PURPOSE: A high-pressure gas cylinder is provided to prevent explosion even if high-temperature heat or an external force is applied. CONSTITUTION: A high-pressure gas cylinder comprises a body, an upper member(200), a countersink part(300) and an explosion prevention part. High pressure gas is charged in the body. The upper member, including a valve for discharging the high pressure gas, is coupled to the top of the body. The countersink part is formed along the upper edge of the upper member and curved to the inside of the body to be close to the top of the body. The explosion prevention part is formed in the countersink part in the radial direction of the valve, having less thickness and harder material as getting close to the bottom of the body, and deformed to open by the pressure increase of the high pressure gas.
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