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