Pneumatic tire having directional tread pattern

Details Pneumatic tire having directional tread pattern Pneumatic tire having directional tread pattern

2005-05-27

2010-12-14

Maki, Steven D (Department: 1791)

Resilient tires and wheels

Tires, resilient

Anti-skid devices

C152S209220, C152S209240, C152S209270, C152S209280, C152SDIG020

Reexamination Certificate

active

07849895

ABSTRACT:
The present invention provides a pneumatic tire which can obtain a high wet drainage performance, roadholding ability, and wear-resistant property without sacrificing other capabilities A directional pattern is formed by a circumferential wide major groove, a first narrow circumferential minor groove, a second narrow circumferential minor groove, a first transverse groove, a second transverse groove, and a third transverse groove. The circumferential wide major groove is provided in a center region in a tire width direction of a tread. The first narrow circumferential minor groove is arranged on the outside in a tire axis direction of the circumferential wide major groove. The second narrow circumferential minor groove is arranged on the outside in the tire axis direction of the first narrow circumferential minor groove. The first transverse groove is extended from a tread end and coupled to the circumferential wide major groove. The second transverse groove is arranged between the first transverse grooves, and the second transverse groove is extended from the tread end and terminated while not coupled to the circumferential wide major groove. The third transverse groove is arranged between the first transverse groove and the second transverse groove, and the third transverse groove is extended from the tread end and terminated between the first narrow circumferential minor groove and the second narrow circumferential minor groove.

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Machine translation for Japan 2003-237319 (no date).
Machine translation for Japan 05-254311 (no date).
Supplementary European Search Report dated Nov. 25, 2008 (3 pages).

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