Invention Application
US20150013863A1 Tire With Pre-Formed Tread And Method Of Making Same 审中-公开
轮胎与预成型轮胎及其制作方法

Tire With Pre-Formed Tread And Method Of Making Same
Abstract:
Methods of making tires with features such as ribs, lugs, or tread blocks include shaping at least one feature onto an uncured tire tread prior to vulcanization. One aspect of these methods may include shaping a feature onto the tread while the tread is associated with the tire. Shaping devices may include shaping rollers, stitching rollers, pre-molds, and annular, curved, or flat stamping plates. An additional aspect of these methods may further reduce the amount of air between a tread and carcass prior to vulcanization. These methods may be used in conjunction with manufacturing processes used on various types of tires, and are particularly suitable for use in large tire manufacturing processes.
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