Heavy duty pneumatic tires

Details Heavy duty pneumatic tires Heavy duty pneumatic tires

1990-03-20

1993-01-19

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152209B, B60C 1108

Patent

active

051804530

ABSTRACT:
In a heavy duty pneumatic tire having a lug pattern and used for truck, bus, construction vehicle and the like, at least two lug grooves located in each half region of the tread portion are connected to each other through an auxiliary groove containing a step protrusion therein, and the widths and depths of the auxiliary groove and step protrusion satisfy particular relationships.

REFERENCES:
patent: 2260193 (1941-10-01), Overman
patent: 2604920 (1952-07-01), Kirby
patent: 4412575 (1983-11-01), Maeda et al.
patent: 4445561 (1984-05-01), Kono et al.
patent: 4945966 (1990-08-01), Ogawa

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