Bridgestone Corporation

Bridgestone Europe Nv/sa

Imast S.c.a.r.l.

Pasquale Agoretti

Paolo Straffi

Claudia Aurisicchio

Davide Privitera

Giancarlo Cossu

Claudio D'Alfonso

Antonio Tirone

Giuseppe Pezzullo

Francesco Botti

Paolo Fiorenza

John Nazareno House

Alessandra Bartoloni

Valeria Grenci

Beatrice Mellara

Guiseppe Rodriquez

Giuseppe Rodriguez

Giuseppe Rodriquez

Riccardo Ascione

Anna Borriello

Michele Amurri

Francesco Madau

Giampiero Pavoni

Davy Ruggiero

Luigi Sanguigno

GT Mohanraj

Antonio Cassinese

Valeria Cherubini

Stefano Mori

Francesca Nanni

Maeda Shimpei

Shimpei Maeda

Felix Hartung

Mario Alejandro Garcia Tzintzun

Michael Kaliske

Maria Del Mar Bernal Ortega

Dennis Rettura

Barbara Maria Secchi

Claudio D'alfonso

Cristian Capaldi

The present invention relates to a tread for tyres. Specifically, it refers to a tread that features a 3-level tread geometry that is optimised in such a way as to ensure long-term high performance on wet and/or snow-covered surfaces, whilst maintaining the handling characteristics and braking capacity on dry and/or smooth surfaces under new tyre conditions.

Tire tread with improved sipe on three levels and tire

Rubber compound for the preparation of a tread portion of a pneumatic tyre comprising at least a cross-linkable unsaturated chain polymer base, a filler and a vulcanization system and a wax composed of at least 50% by weight of nonacosanediols.

Rubber compound for tread portions

Pneumatic tyre () comprising a carcass ply (), two ring beads (), a tread strip (), a tread belt () comprising at least two tread plies (), an innerliner () and an additional functional material layer () arranged between the innerliner () and the inner cavity () of the pneumatic tyre (), wherein between the innerliner () and the layer of additional functional material () a net layer () is interposed, which facilitates the removal thereof during disposal at the end-of-life of the pneumatic tyre.

Pneumatic tyre with elements for the easy removal of additional layers

A compound for a tyre sealant layer comprising at least one polymer base consisting of an essentially saturated polymer and a filler, which in turn comprises kraft lignin.

Tyre sealant layer

A rubber mix for tires including at least one cross-linkable polymer base, a reinforcing filler, a vulcanization system, a reinforcing resin and a dithiol chemical according to the formula SHRSH, wherein, in the formula, R is an aliphatic or aromatic group composed of 3 to 12 atoms.

Rubber mix to produce tyres

A method for preparing a rubber compound comprising at least one first mixing step in which at least part of a cross-linkable polymer base is mixed at least with a reactive reinforcing filler, a dendrimer functionalized with polar groups adapted to interact with the reactive reinforcing filler and a nucleophile agent; and a subsequent mixing step in which the compound being prepared is mixed with a vulcanization system.

Rubber compounds containing silicon dioxide for the production of tyres

A method of producing rubber compounds, in which the polymer base is composed partly of a first polymer material having a glass transition temperature of over &#x2212;50&#xb0; C., and partly of a second polymer material having a glass transition temperature of below &#x2212;50&#xb0; C. and silica as a filler. The method includes a preliminary first polymer material treating step, in which the first polymer material, a silica having a surface area of 80 to 135 m/g, a silane bonding agent, and at least one nucleophile agent are mixed together; a preliminary second polymer material treating step, in which the second polymer material, a silica having a surface area of 150 to 220 m/g, a silane bonding agent, and at least one nucleophile agent are mixed together; a mixing step, in which the compounds resulting from the preliminary treating steps are mixed together; and a final step, in which stearic acid and a curing system are added and mixed with the compound being produced.

Rubber tyre compound production method

A method of producing rubber compounds, in which the polymer base is composed partly of a first polymer material, which is either produced by emulsion polymerization or is natural rubber, and partly of a second polymer material produced by solution polymerization. The method includes a preliminary second polymer material treating step, in which the second polymer material, silica, a silane bonding agent, and at least one nucleophile agent are mixed with one another; a first mixing step, in which at least the first polymer material, silica, and a silane bonding agent are added to the compound resulting from the preliminary second polymer material treating step; and a second mixing step, in which stearic acid and a curing system are added to the compound being produced.

Rubber tire compound production method

Growing community of inventors

Ariccia, Italy

Pasquale Agoretti