My improved seal assembly comprises a seal ring of {TAIL ~ generally rectangular cross section} in which the radially outward surface of the ring is in sealing engagement with a surrounding housing and wherein {HEAD ~ the radial dimension} of the seal ring is less than the axial width of the outward sealing surface 
My improved seal assembly comprises a seal ring of { TAIL ~ generally rectangular cross section } in which the radially outward surface of the ring is in sealing engagement with a surrounding housing and wherein { HEAD ~ the radial dimension } of the seal ring is less than the axial width of the outward sealing surface
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