Pressure Container, and Buoyant Body and Exploratory Apparatus Provided Therewith
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United States of America Patent
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Issued Date -
Feb 3, 2011
app pub date -
Mar 18, 2009
filing date -
Mar 28, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A pressure container having improved reliability of pressure-resistant performance and sealing performance at a connecting portion between outer shells, and a buoyant body and an exploratory apparatus provided therewith. a pressure container includes a semispherical first outer shell made of ceramics, a semispherical second outer shell made of ceramics, a straight cylindrical third outer shell made of ceramics, and annular first and second connecting bodies interposed between the first outer shell and the third outer shell and between the second outer shell and the third outer shell, and made of materials at least one of which has an elastic modulus smaller than those of the first to the third outer shells.
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