SIDE WALL STRUCTURE INCLUDING MULTIPHASE PHASE DESIGN, CAPABLE OF IMPROVING TIRE PERFORMANCE AND REDUCING CRACK GENERATION

摘要

PURPOSE: A side wall structure including multiphase phase design is provided to improve tire performance by improving air flow in a side wall with reduction of air resistance power and to reduce the generation of crack and stress in an edge unit of an embossed phase shape.;CONSTITUTION: A side wall structure including multiphase phase design comprises a protrusion unit(12) of a predetermined height from a reference plane(11) of a side wall(10). The protrusion unit is formed as stairs shape including one or more inclined surfaces(13, 15).;COPYRIGHT KIPO 2013