PISTON RING
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United States of America Patent
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Issued Date -
May 5, 2016
app pub date -
May 10, 2014
filing date -
Jun 8, 2013
priority date (Note) -
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Abstract
A piston ring is provided in the form of a base body, which has a running face, an inner circumferential surface, and upper flanks and lower flanks interposed therebetween, in which the base body has a joint and an edge relief, in particular in the region of the inner circumferential surface thereof, and wherein the running face, seen in the circumferential direction, is provided with changing running face conicities and/or convexities, such that a lesser running face conicity and/or convexity exists in the region of the joint than in the diametrically opposed ring back.
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