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US06800161B2 Method of arranging cyclic patterns in tire tread 有权
在轮胎胎面中布置循环图案的方法

Method of arranging cyclic patterns in tire tread
Abstract:
A method of arranging cyclic patterns in a tire tread is disclosed, wherein design cycles in each cyclic pattern are repeated in a pitch sequence; with respect to each of the design cycles, an averaged pitch of the pitch lengths of a predetermined number of subsequent design cycles is obtained; combinations of the sequences of the averaged pitches are defined by changing phase between the sequences; with respect to the averaged pitches of the combined sequences, crossover averages are obtained; from the crossover averages in each combination, a difference between a maximum and a minimum is obtained; from the differences of the combinations, a combination having a smaller difference is found; the cyclic patterns are arranged in accordance with the phase shift of the combination having the smaller difference.
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