The Bridgestone Corporation is a multinational auto and truck parts manufacturer founded in 1931 by Shojiro Ishibashi in the city of Kurume, Fukuoka, Japan. The name Bridgestone comes from a calque translation and transposition of ishibashi, meaning "stone bridge" in Japanese.Production facilities belonging to the Bridgestone Group number 141 in twenty-four countries, as of the end of 2005. Wikipedia.
Bridgestone | Date: 2015-06-22
Compositions and methods are included for preparing a hairy polymeric nanoparticle including first and second shell block polymer arms are at least partially phase-separated and surround a polymeric core. One type of polymeric arm can have a greater polarity than the other type(s) of polymeric arms. A rubber composition including the hairy nanoparticles is also provided.
Bridgestone | Date: 2015-03-07
Bridgestone | Date: 2015-04-09
A tire has at least one band of cooling fins located on a sidewall portion of the tire. The band of cooling fins has at least one protruding cooling fin and at least one recess located adjacent to the cooling fin. At least a portion of the recess is recessed axially inwards relative to the cooling fin. The cooling fin has a height equal to or greater than an airflow boundary layer thickness at a predetermined location and angular velocity of the tire.
Bridgestone | Date: 2015-10-19
Disclosed is a rubber composition suitable for use as a cap ply rubber composition. The rubber composition comprises: (a) at least one natural or synthetic rubbery polymer; (b) from 0.1 to 20 phr of at least one hydrazide compound; (c) from 0.1 to 10 phr of at least one methylene donor; (d) from 0.1 to 10 phr of at least one methylene acceptor resin; and (e) from 0.1 to 10 phr of zinc oxide is disclosed. A method of making the same is also disclosed.
Bridgestone | Date: 2015-02-16
Vulcanizates with desirable properties can be obtained from compositions incorporating polymers that include hydroxyl group-containing aryl functionalities, silica or other particulate filler(s) that contain or include oxides of silicon and a group or compound that can act to covalently bond the filler particles and the polymer. The group can be provided as a substituent of the filler particle, or a discreet compound can be provided in the composition.