High-pressure tank and method for fabricating the same
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United States of America Patent
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May 3, 2005
Grant Date -
Feb 26, 2004
app pub date -
Aug 22, 2002
filing date -
Aug 22, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
In a high-pressure tank 1 in which a gas discharge section 5 is extended from one end of a cylindrical section 2 through a dome section 4 by plastically deforming a short hollow cylindrical blank of metal, the gas discharge section 5 is set at a thickness at least three times that of the cylindrical section 2, and the dome section 4 is gradually increased in thickness from that of the cylindrical section 2 to that of the gas discharge section 5 in proceeding from the cylindrical section 2 to the gas discharge section 5. Thereby, a high-pressure tank capable of withstanding higher pressures than used at the present time is provided easily and at low cost.
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