| 摘要 |
<p>A tread (1) for tyre with good noisy characteristics according to the invention includes at least one circumference in which a composed sequence of a plurality of design elements (P), consecutively disposed in succession, having lengths, or pitches, different in circumferential sense, in which the pitches are in reduced number, lower or equal to 3 and preferably 2, and are disposed in a casual and untidy succession is present; this invention also discloses a design method which provides to generate automatically, in casual mode or pseudo casual mode one or more sequences, in which the greatest part of the obtained sequences presents good sonorous property and are selectable across the check of characteristic values obtainable from the same sequences. <IMAGE></p> |
