TIRE MOLD, PRODUCTION THEREOF AND PNEUMATIC TIRE

摘要

PROBLEM TO BE SOLVED: To increase sipe density without increasing the number of vent holes. SOLUTION: In a tire mold wherein sipe molding blades 6 are provided to tread molding surfaces and vent holes 7 are formed thereto, air venting passages 8 having predetermined height (h) from the tread molding surface are provided to the sipe molding blades 6 so as to communicate with the gaps between the tread molding surfaces divided by the sipe molding blades 6.