Inflatable cushioning device with self opening intake valve
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United States of America Patent
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Jun 3, 1997
Grant Date -
N/A
app pub date -
Aug 16, 1994
filing date -
Aug 16, 1994
priority date (Note) -
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status (Latency Note)
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Abstract
A cushioning device comprising an envelope containing a fluid in which the envelope has a pressure relief valve and an intake valve to regulate the deformation of the envelope under the load and reformation of the envelope when the load is removed.
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