Importance

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Abstract

An improved tire sidewall 12 for a tire 10 has an annular outer surface 11, the annular outer surface 11 having a design pattern having a first pattern 15 and a second pattern 17. The second pattern 17 is superimposed over a portion of ridges 20 of the first pattern 15. The improvement has the ridges 20 of the first pattern 15 within a sidewall sector 13 defined by parallel planes passing through a plane (T) parallel to the equatorial plane of the tire 10 and perpendicular to the axis of rotation of the annular tire sidewall 12 to form lines 21 all having the same slope (x/y). Preferably the ridges 20 have a substantially triangular cross section having an included angle of about 100.degree. at the apex. The sectors 13A, 13B, 13C and 13D can be any portion of the tire sidewall 12, preferably the sectors 13 being quadrants, halves, or the whole annular surface 11. The resulting patterns yield a decorative sidewall 12 having unique contrasting light and dark appearance.

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First Claim