| 摘要 |
<p>PROCESS FOR THE FORMATION OF TREAD PATTERN In the formation of a tread pattern having many sipes, a combination of pitch segments having plural kinds of pitch lengths is selected so as to substantially match with a tread circumference and an inner peripheral length of a sector member constituting a split mold in order to prevent intersect of the sipes with any dividing position for the sector member.</p> |
