Pneumatic tire having asymmetric tread pattern

Details Pneumatic tire having asymmetric tread pattern Pneumatic tire having asymmetric tread pattern

1993-03-29

1994-10-25

Knable, Geoffrey L.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152209R, B60C 1104

Patent

active

053580214

ABSTRACT:
In a pneumatic tire having an asymmetric tread pattern in witch ribs continuing in a tire circumferential direction are disposed on a tread surface at a shoulder end portion on the outer side of a vehicle when the tire is fitted to the vehicle, and block lines each comprising a plurality of blocks are disposed at a shoulder end portion on the inner side of the vehicle, wherein sub-grooves extending in a tire width-wise direction while forming right and left pairs are disposed on the portion of the tire more inward than the ribs at a predetermined pitch in the tire circumferential direction and in a herringbone pattern widening in a direction opposite to a rotating direction of the tire, the apexes of the herringbone patterns are positioned on the outer side of the tire with respect to a tire equator line, and pairs of the right and left sub-grooves are made mutually discontinuous at the apexes.

REFERENCES:
patent: 4732194 (1988-03-01), Saneto et al.

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