METHOD FOR PRODUCING PNEUMATIC TIRE

PROBLEM TO BE SOLVED: To provide a method for producing a pneumatic tire, which discharges gas between a bladder and an inner surface of the tire without damaging an inner liner, and exhibits excellent performance in air-in, flex-crack-resistance adjustment, rolling resistance, and drivability, in a...

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1. Verfasser: KAMISAKA KENICHI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a method for producing a pneumatic tire, which discharges gas between a bladder and an inner surface of the tire without damaging an inner liner, and exhibits excellent performance in air-in, flex-crack-resistance adjustment, rolling resistance, and drivability, in a tire vulcanization process.SOLUTION: In the method for producing the pneumatic tire, a tire vulcanization bladder with a plurality of vent lines is used. The pneumatic tire includes the inner liner on the inner surface. The inner liner includes a first layer containing a styrene-isobutylene-styrene triblock copolymer. The vent lines include: a first vent line at a part corresponding to a part from a tire bead toe to a tire buttress; and a second vent line at a part corresponding to a part from the tire buttress to a tire crown.