Pneumatic tires with spaced sidewall recesses

Details Pneumatic tires with spaced sidewall recesses Pneumatic tires with spaced sidewall recesses

1993-08-09

1994-12-20

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152523, B60C 300

Patent

active

053738845

ABSTRACT:
A pneumatic radial tire comprises a pair of bead portions, a pair of sidewall portion extending outward from the bead portions in radial direction, and a tread portion between the sidewall portions. In this tire, the sidewall portion ranging from a separation point of the tire from a rim to a tread end is equally divided into three regions, and at least one annular recess extending circumferentially of the tire is formed on an outer surface of each of these regions in the sidewall portion so that a maximum depth of the annular recess is 0.3 times or more of an original rubber gauge at a position corresponding to a deepest point of the annular recess.

REFERENCES:
patent: D188746 (1960-08-01), Balmer, Jr.
patent: 1662599 (1928-03-01), Brown
patent: 3982579 (1976-09-01), Mirtain
patent: 4057092 (1977-11-01), Tracy
patent: 4308907 (1982-01-01), Monzini
patent: 5027876 (1991-07-01), Chrobak et al.

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