Resilient tires and wheels – Tires – resilient – Anti-skid devices
Patent
1997-05-20
1999-10-19
Maki, Steven D.
Resilient tires and wheels
Tires, resilient
Anti-skid devices
152209D, B60C 1103, B60C11100, B60C11500
Patent
active
059672102
ABSTRACT:
A pneumatic tire having an excellent steering stability on wet road surface comprises a tread having an asymmetric directional tread pattern defined by steeply slant grooves and gently slant grooves arranged on at least both side regions, in which so-called directional tread pattern defining a rotating direction (normal rotating direction) of the tire in the mounting of the tire on a vehicle is formed by the steeply slant grooves to contact a side of the groove near to the central region with ground ahead and contact a side apart from the central region with ground afterward. The tread pattern also has gently slant grooves to contact a side of the groove opening to one of tread ends with ground ahead and contact a side of the groove opening to the other tread end with ground afterward.
REFERENCES:
patent: D380426 (1997-07-01), Johenning et al.
patent: D389792 (1998-01-01), Himuro
patent: 4057089 (1977-11-01), Johannsen
patent: 4953604 (1990-09-01), Shepler et al.
patent: 4962801 (1990-10-01), Tsuda
patent: 5152854 (1992-10-01), Matsumoto
Blow, Rubber Technology and Manufacture, pp. 349-356, 1971.
Bridgestone Corporation
Maki Steven D.
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