Bridgestone Europe Nv/sa

Giacomo Andreini

Raffaele Di Ronza

Francesco Iozia

Maria Cristina Caccami

Paolo Fiorenza

Maria Cecilia Palumbi

Cristiano Pomposini

Roberto Lombardi

Maria Cecilia Palumbi, I

Method for the treatment of single-filament polyethylene terephthalate cords for the reinforcing layers of a pneumatic tyre comprising (a) an adhesive solution coating step, wherein the single filament cord is immersed in an adhesive solution; (b) a drying step, wherein the cord covered in adhesive resin is held within a drying oven at a temperature of between 12° and 180° C.; and (c) a thermobonding step wherein the cord, proceeding from the drying step, is arranged within an oven at a temperature of between 23° and 260° C. for a period of between 30 and 90 seconds. During the thermobonding step, the single filament cord is subjected to a tension of between 8 and 12 mN/dtex.

Method for the treatment of cords for the reinforcing layers of pneumatic tires

A method to manufacture an electronic device to be applied to rubber article. The device comprises an electronic element, two layers of thermoplastic material which are arranged in a sandwich-like manner so as to contain, between one another, the electronic element, and at least an outer rubber layer arranged to cover an outer surface of at least one of the respective thermoplastic layers. The method comprises a preliminary step comprising (a) a deposition operation, during which an adhesive solution consisting of a basic water solution comprising a latex of an elastomer rubber and a combination of resorcinol and formaldehyde is applied on at least one outer surface of one of the layers of thermoplastic material; and (b) a heating operation, during which the layers of thermoplastic material on which the adhesive solution was applied are kept at a temperature ranging from 120 to 230° C. for an amount of time ranging from 2 to 15 min.

Method to manufacture an electronic device for a rubber article

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Rome, Italy

Giacomo Andreini