Resilient tires and wheels – Tires – resilient – Anti-skid devices
Reexamination Certificate
2007-12-11
2007-12-11
Maki, Steven D. (Department: 1733)
Resilient tires and wheels
Tires, resilient
Anti-skid devices
C152S209170, C152S209180, C152S339100, C152SDIG020, C156S117000, C156S128100, C156S130000, C428S313500, C428S314800
Reexamination Certificate
active
10490938
ABSTRACT:
A rubber composition is provided with a large friction force even on a body having, for example, an ice face of a low friction coefficient. The composition is constituted by a foamed rubber having a rationalized foaming state. The composition is applied to an upper-layer rubber part of a tread rubber constituting at least a ground contact face to enhance a gripping force on a frozen road surface or a snow covered road surface. The foamed rubber has continuous cells6each continuously extending substantially along a particular direction4and sealed with a resin protection membrane5.Also, a method is provided for producing such a tire.
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Bridgestone Corporation
Maki Steven D.
Sughrue & Mion, PLLC
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