Bridgestone Americas Tire Operations, LLC

Bridgestone Firestone North American Tire, LLC

David G Abdallah

Joseph Lanzarotta

Joseph M Lanzarotta

A tire for a vehicle comprises, an inner wheel () adapted to mount to a vehicle having a radially outer surface (). A first ring () is annular and concentric with the inner wheel () and has a radially outer () and a radially inner () surface. An annular inner-tube () is securedly positioned between the inner wheel () and the first ring (). A second ring () has a radially outer surface () and a radially inner surface () adapted to mate with first ring (). A tread () is secured to radially outer surface () of said second ring ().

Composite tire assembly

Reduced hysteresis silica-containing black sidewall compounds having increased toughness properties are provided, as are methods for preparing the same. Tires comprising the black sidewall compounds prepared according to the present embodiments are also provided.

Silica containing black sidewall compounds and tires comprising same

An apparatus for making reinforcement ply material wherein reinforcement elements are grouped in untwisted sets and adjacent reinforcement elements in the same set are spaced apart a distance less than the distance between adjacent sets. The apparatus includes an extruder and a die head into which the extruder extrudes an elastomeric material. The die head defines a die throat and includes a guide insert which guides the reinforcement elements into the die throat. The guide insert has passages through which the reinforcement elements pass and which are arranged in a pattern corresponding to the arrangement of the reinforcement elements in the reinforced ply material.

Growing community of inventors

Akron, OH, United States of America

David G Abdallah