Resilient tires and wheels – Tires – resilient – Anti-skid devices
Reexamination Certificate
2008-05-06
2008-05-06
Maki, Steven D. (Department: 1791)
Resilient tires and wheels
Tires, resilient
Anti-skid devices
C152S209240, C152S901000, C152S902000
Reexamination Certificate
active
07367370
ABSTRACT:
A tread for a heavy vehicle tire, comprising at least one tread design component (3) delimited by at least two grooves, each component comprising a contact face (4) limited by edges (7, 8); the contact face (4) having, viewed in a cross-sectional plane substantially perpendicular to the contact face of the tread and cutting two of the edges of the motif at A1and A2, a plot whose geometrical profile P between the points A1and A2has at least one bump (9, 10) in relief relative to a virtual straight line D passing through the points A1and A2, the point B1, B2of each bump (9, 10) that is furthest from the straight line D being located a height Hi from this straight line and a distance Di from the point A1or A2that is the closer, with 0.1<Di/L<0.25, where L is the distance separating the points A1and A2, and 0.1 mm<Hi<2.5 mm. In addition, the profile P passes through a point C located a distance Hc (0 mm<Hc<Hi/2) from the straight line passing through A1and A2and substantially halfway between the points A1and A2.
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Translation for French 2317112, no date.
Patent Abstract of Japan, publication No. 09066708, Mar. 11, 1997.
Buchanan & Ingersoll & Rooney PC
Maki Steven D.
Michelin Recherche ET Technique S.A.
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