Filament wound vessel with improved polar fitting
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United States of America Patent
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-
Mar 27, 1984
Grant Date -
N/A
app pub date -
Feb 3, 1982
filing date -
Feb 3, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A filament wound pressure vessel is disclosed and has a generally spherical portion including a polar opening defined by a fitting. A composite comprising a plurality of layers of filaments forms part of the thickness of the vessel, with the layers of filaments wound about the fitting. The fitting comprises a polar boss having a stepped configuration of decreasing diameters in a direction outwardly of the vessel, whereby sequential layers of filaments lay against sequentially smaller diameters of the fitting. The polar boss may comprise part of a liner for the vessel about which the layers of filaments are wound.
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