Pneumatic tires

Details Pneumatic tires Pneumatic tires

1992-06-09

1996-01-02

Osele, Mark A.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152209R, B60C 1113

Patent

active

054799732

ABSTRACT:
A pneumatic tire for truck and bus comprises a tread portion having a lug pattern, wherein an intersection angle .theta..sub.1 defined by a standard line segment passing a lug edge with an obtuse angle with respect to tread side edge and a meridional line passing the standard line segment satisfies an equation of 0.degree.<.theta..sub.1 <35.degree., and a lug groove wall located side the standard line segment in the lug is folded outward from a middle portion of a lug groove depth in the radial direction of the tire so as to enlarge the lug groove.

REFERENCES:
patent: 2971552 (1961-02-01), Williams et al.
patent: 4289183 (1981-09-01), Abe et al.
patent: 4423760 (1984-01-01), Treves et al.
patent: 4550756 (1985-11-01), Hinkel
patent: 4664167 (1987-05-01), Kawakami et al.
patent: 4840211 (1989-06-01), Makino
patent: 4977942 (1990-12-01), Ochiai
patent: 5010936 (1991-04-01), Numata et al.
patent: 5024260 (1991-06-01), Ochiai

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