| 摘要 |
PROBLEM TO BE SOLVED: To specify the phase of fitting of a raw tire to a vulcanizing mold and to reduce an nth-degree component of high-speed FV. SOLUTION: A prediction formula is determined by measuring the amount of variations of the total gage of a tread part in an unvulcanized raw tire Pi(i=1-m) having tire constituent members in a plurality (in the number of k) each having a joint part at which one end in the circumferential direction is joined to the other and the high-speed FV in a completed tire Qi(i=1-m) obtained by vulcanization molding of the raw tire Pi(i=1-m). Based on the prediction formula, the phase of fitting of the raw tire from m onward is specified and thereby the nth-th component of the high-speed FV of the completed tire from m onward is reduced. COPYRIGHT: (C)2005,JPO&NCIPI |
