Lid mounting structure for pressure vessel
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United States of America Patent
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Jun 16, 1998
Grant Date -
N/A
app pub date -
Apr 9, 1997
filing date -
Aug 10, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
A lid mounting structure for a pressure vessel for preventing a lid member 2 crimped to a curled portion 6 of an opening 5 of a vessel body 1 from being blown away by an abnormal rise of the internal pressure. A cut-away portion 8 or a through hole is formed in an outside wall of the curled portion 6, thereby locally reducing the elastic deformation resisting strength of the curled portion 6 with respect to expansion of the inside diameter of the opening to a level lower than that of the elastic deformation resisting strength of the lid member 2 in the inward radial direction.
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