Resilient tires and wheels – Tires – resilient – Anti-skid devices
Patent
1993-05-27
1995-07-04
Knable, Geoffrey L.
Resilient tires and wheels
Tires, resilient
Anti-skid devices
152209R, B60C 1100
Patent
active
054291640
ABSTRACT:
A pneumatic tire including a tread portion provided with a foamed rubber layer made of a foamed rubber and an outer rubber layer made of a non-foamed rubber and arranged radially outwardly of the foamed rubber layer to contact roads. The radially thickness of the outer rubber layer is gradually increased from one end of the tread portion to the other end.
REFERENCES:
patent: 3486545 (1969-12-01), Niclas et al.
patent: 3853164 (1974-12-01), Mirtain
patent: 5109902 (1992-05-01), Kobayashi
Patent Abstracts of Japan, vol. 12, No. 448 (M-768) 24 Nov. 1988.
Bridgestone Corporation
Knable Geoffrey L.
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