Metal seal ring
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United States of America Patent
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Jan 3, 2017
Grant Date -
Sep 8, 2016
app pub date -
Mar 5, 2015
filing date -
Mar 5, 2015
priority date (Note) -
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Abstract
A metal seal ring disclosed herein includes a front side surface having a plurality of first sealing areas and second sealing areas, and a back side surface having a plurality of spaced-apart protrusions having a radially innermost surface located at a first radial distance from a longitudinal axis of the seal and a first axial distance from an axis of symmetry of the seal. The back side also includes a plurality of recesses located between one of the protrusions and the axis of symmetry, each recess having a radially outermost surface located at a second radial distance from the longitudinal axis and a second axial distance from the axis of symmetry. A ratio of the second axial distance to the first axial distance falls within the range of about 0.38-0.63, and a ratio of the second radial distance to the first radial distance falls within the range of about 0.79-1.32
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