Pneumatic tire

DRIVE May 8, 2002
Source
A pneumatic tire which comprises: a carcass (6) extending between bead portions through a tread portion and sidewall portions; a breaker (7) disposed radially outside a crown portion of the carcass; a pair of axially spaced high modulus edge bands (10a) disposed radially outward of edge portions of the breaker and each made of one or more high modulus cords having a sectional area SH and a 2% modulus MH and wound substantially parallel to the tire circumferential direction at a cord count DH; a low modulus middle band (10b) disposed radial outward of the breaker between the high modulus edge bands and made of one or more low modulus cords having a sectional area SL and a 2% modulus ML less than the 2% modulus MH and wound substantially parallel to the tire circumferential direction at a cord count DL; and an elongation resistance index PH of each of the high modulus edge bands, which is defined as the product of the 2% modulus MH in N/sq.mm, the sectional area SH in sq.mm and the cord count DH per 1cm width divided by 100, being in a range of 160 to 700.

Discussion in the ATmosphere

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