Pneumatic tire having recess in buttress face

Details Pneumatic tire having recess in buttress face Pneumatic tire having recess in buttress face

2008-03-05

2010-11-16

Maki, Steven D (Department: 1791)

Resilient tires and wheels

Tires, resilient

Anti-skid devices

C152S209270, C152SDIG020

Reexamination Certificate

active

07832439

ABSTRACT:
A pneumatic tire capable of preventing wandering without impairing wear resistance, including tread portion2having circumferential shoulder grooves6cextending at locations near ground contact edges E and lateral shoulder grooves7dextending between circumferential groove6cand ground contact edge E, and having square shoulders such that tread surface2aand buttress face14extending radially inwardly and axially outwardly from ground contact edge E intersects to form an edge or corner, wherein each shoulder block B4is provided with circumferential sipe11in a region apart axially inwardly from ground contact edge E by a distance of 2 mm or more and a distance of 10 mm or less, the buttress face14is provided with recess15extending circumferentially in at least a part of projection region Z obtained by projecting circumferential sipe11onto buttress face14, and radially innermost end15B of recess15is located at a radial position corresponding to a region ranging from 50 to 100% of the depth of circumferential sipe11.

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Machine translation for Japan 2007-161135 (no date).
Machine translation for Japan 09-193616 (no date).
Machine translation for Japan 06-316204 (no date).
Machine translation for Japan 06-024211 (no date).
Derwent abstract for 04-232194 (no date).

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