Pneumatic tire set

摘要

On a tire inner surface “is” facing a tire cavity “i” surrounded by a rim 2 and a pneumatic tire 3, the tire is provided with a noise damper 4 made of a spongy material and extending in the circumferential direction of the tire. Noise dampers 4 having the same cross sectional shape are used in a size group of tires which include a minimum volume tire that the cross sectional area S of the tire cavity on the meridian cross section has a minimum value Smin and a maximum volume tire that the cavity cross section area S has a maximum value Smax, and which have sizes such that the cavity sectional area ratio Smax/Smin falls within the range of 1.00 to 1.95.

主权项

1. A method for manufacturing pneumatic tires each equipped with a noise damper, comprising the steps of:
classifying tires having a plurality of tire sizes into a plurality of tire size groups, each including at least two different tire sizes, so that classified tires in each of said tire size groups have sizes such that a cavity sectional area ratio Smax/Smin falls within the range of greater than 1.00 to 1.95 wherein Smax is a cross section area of a tire cavity of a maximum volume tire having a maximum cavity cross sectional area in said classified tires in each size group, and Smin is a cross sectional area of a tire cavity of a minimum volume tire having a minimum cavity cross sectional area in said classified tires in each size group, in which said cross sectional area is a value measured on the meridian cross section including a tire axis, and fixing noise dampers to inner surfaces of the tires, such that, in each tire size group, all said classified tires therein are provided with a noise damper which is made of a spongy material and which has the same cross sectional shape and size, wherein said noise dampers have a cross sectional area S2 of from 5.7 to 11.1% of a cross sectional area S of a tire cavity of said classified tires.