Pneumatic radial tire including rubber spacer between axially ad

Details Pneumatic radial tire including rubber spacer between axially ad Pneumatic radial tire including rubber spacer between axially ad

1997-01-24

1999-03-09

Johnstone, Adrienne

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152548, 152555, 152564, B60C 902, B60C 908, B60C 1300, B60C 1500, B60C 1900

Patent

active

058794859

ABSTRACT:
A pneumatic radial tire comprising a tread portion, a pair of sidewall portions, a pair of bead portions each with a bead core therein, a carcass extending between the bead portions, a belt disposed radially outside the carcass and having a pair of edges, a rubber bead apex disposed in each bead portion and extending radially outwardly from the bead core, portions of the carcass one between each edge of the belt and the maximum tire width position are each provided therein with a rubber spacer disposed between axially adjacent carcass cords so that the cord spacing between the axially adjacent cords is in the range of from 0.55 to 5.5 times the diameter of the cords, whereby steering performance is improved without increasing the tire weight.

REFERENCES:
patent: 3052275 (1962-09-01), Hylbert, Jr.
patent: 3292681 (1966-12-01), Travers
patent: 3542108 (1970-11-01), Rye et al.
patent: 3682217 (1972-08-01), Marzocchi
patent: 3717190 (1973-02-01), Boileau
patent: 3916968 (1975-11-01), Masson
patent: 4086948 (1978-05-01), Suzuki et al.
patent: 4770222 (1988-09-01), Mezzanotte
patent: 5361820 (1994-11-01), Adachi
Mechanics of Pneumatic Tires, Ed. Samuel Clark: U.S. Dept. of Transportation, p. 881 (Aug. 1981).

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