Patent ID: 6585918
Filing Date: 2003-07-01
Classification: B29C,B29D,B29L,B60C

Abstract:
A process for modifying a uniformity of a tire comprising a carcass ply of rubberized organic fiber cords arranged side by side in a radial direction of the tire, which comprises the steps of measuring a radial force variation (RFV) of the tire inflated under a given internal pressure, putting a first distinguishing mark to a first tire portion indicating a minimum value of RFV, putting a second distinguishing mark to a second tire portion indicating a maximum value of RFV, applying different relative thermal treatment to the first tire portion and the second tire portion, and keeping a state of applying the given internal pressure to the tire during cooling in the thermal treatment, wherein at least a sidewall portion of the first tire portion is heated to make a temperature thereof higher than that of the second tire portion at the finish of the heating of the first tire portion in the thermal treatment.