B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
Perfectionnement au profil de moulage des carcasses de pneumatiques pour automobiles permettant d'ameliorer la structure intermediaire de renforcement des carcasses
Pneumatique comportant des cables d'armature de carcasse presentant une faible permeabilite, et des fils textiles associes a l'armature de carcasse