| 摘要 |
PROBLEM TO BE SOLVED: To provide a tire with enhanced on-ice performance and on-snow performance, and a tire forming mold for use in the manufacture (molding) of the tire.SOLUTION: In the tire, a large number of protrusions with a predetermined range of shape and a predetermined range of volume are formed in predetermined number density on at least a part of a tread of a tread portion. In the tire forming mold, a large number of recesses with a predetermined range of shape and a predetermined range of volume are formed in predetermined number density on at least a part of a tread molding surface. |
