Patent ID: 7273083
Filing Date: 2007-09-25
Classification: B29D,B60C,Y10S,Y10T

Abstract:
1. A pneumatic tire having two or more carcass layers for reinforcing between a pair of annular beads, wherein when a region where an angle formed between cords constituting said carcass layers and a circumferential direction of said tire is 90±10° is defined as a radial region, and a region where said cords in upper and lower layers intersect while an angle formed between said cords and the circumferential direction of the tire is 10 to 60° is defined as a bias region, a region including a position near a tire maximum width includes said radial region, and said bias region is included in any of a region between said radial region and said bead, and a region between said radial region and a tire equator line, wherein a region having 5 to 30% of height from a lower end with respect to height of carcass of a tire cross section is mainly said bias region, a region of 40 to 65% is mainly said radial region, and a region of 75 to 95% is mainly said bias region.