Pneumatic fender and mouth piece metal for pneumatic fender
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United States of America Patent
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Nov 7, 2017
Issued Date -
N/A
app pub date -
Mar 24, 2015
filing date -
Mar 31, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A pneumatic fender and a mouth piece metal with an open/close valve is biased by a resilient member toward a closing direction of a through hole formed on a dividing wall constituting a receiving chamber. A safety valve is isolated from a cavity of a fender bladder by a receiving chamber, thus allowing the safety valve to be able to be detached and attached while the pneumatic fender is in use. A confirmation test of a valve opening pressure of the safety valve is performed by opening a receiving chamber open/close valve and raising an internal pressure of a cavity of the receiving chamber to a pressure threshold (Pm) via a receiving chamber communication passage. Upon an internal pressure (P) of the cavity being less than the pressure threshold (Pm) and greater than a standard pressure (Pc), the open/close valve opens the through hole, thus allowing the safety valve to function.
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