Resilient tires and wheels – Tires – resilient – Anti-skid devices
Reexamination Certificate
2007-06-05
2007-06-05
Maki, Steven D. (Department: 1733)
Resilient tires and wheels
Tires, resilient
Anti-skid devices
C152SDIG020, C425S028100, C425S046000
Reexamination Certificate
active
10820860
ABSTRACT:
A tread of elastomeric material for tires, this tread being provided with a plurality of incisions, each incision of average width e being defined by facing walls, this tread being characterized in that at least one of the walls defining each incision comprises at least one first series and one second series of lines of motifs forming reliefs relative to said wall and having a maximum height measured perpendicular to said wall at least equal to 1/10 of the width e, each series of lines comprising a plurality of lines extending in the same direction, the lines of the first series intersecting the lines of the second series, and in that at least one of the walls is provided over its entire surface with an average roughness of between 1/100 and 1/10 of the width e of the incision.
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Maki Steven D.
Michelin & Recherche et Technique S.A.
LandOfFree
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