Patent ID: 8146634
Filing Date: 2012-04-03
Classification: B29D,B60C,Y10T

Abstract:
1. A pneumatic tire provided with a sealant layer on an inner surface of the tire in a region corresponding to a tread portion of the tire, the pneumatic tire comprising: a cover sheet disposed on an inner side of the sealant layer in a radial direction of the tire so as to cover the sealant layer, the cover sheet having a center portion formed axially between two outer portions, the center portion being centered on the sealant layer, wherein a mass per unit area of the center portion of the cover sheet is made larger than a mass per unit area of the outer portions of the cover sheet; wherein the width of the center portion of the cover sheet is set in a range of 7% to 55% of the width of the sealant layer.