COLOR LINE MARKING APPARATUS OF TIRE TREAD

摘要

PURPOSE: A color line marking apparatus of a tire tread is provided to reduce a working cycle time when marking a color line marked according to the conicity value related to a directionality on a tire tread. CONSTITUTION: A color line marking apparatus of a tire tread comprises a color line marking part(5). The color line marking part includes a crayon(4) for marking a color line on the tire(2) transferred by a conveyer belt(1). The color line marking part consists of left-and-right color line marking parts(5a,5b). The left-and-right color line marking parts are arranged on right and left supports(6a,6b) installed toward the upper end of the conveyer belt. The left-and-right color line marking parts are driven by ascending-and-descending cylinders(7a,7b) which are installed at each marking part. A fixed bar(10) is installed on a color line marking region. The fixed bar is operated by a cylinder(9) in order to fix a tire.