Patent application number | Description | Published |
20130072621 | PNEUMATIC OBJECT PROVIDED WITH A GASTIGHT LAYER CONTAINING A THERMOPLASTIC ELASTOMER AND A THERMOPLASTIC - A pneumatic object or inflatable article is provided with a gastight elastomer layer. The gastight elastomer layer includes a thermoplastic polyisobutylene block elastomer and hot-melt polymer microdomains based on at least one thermoplastic material. | 03-21-2013 |
20130096230 | METHOD FOR OBTAINING A RUBBER COMPOSITION INCLUDING A THERMOPLASTIC FILLER - A process for the preparation of a rubber composition for the manufacture of tyres is presented. The composition is based on one or more diene elastomers, one or more reinforcing fillers, and a crosslinking system. The composition includes particles of one or more thermoplastic materials chosen from amorphous thermoplastic materials and semicrystalline thermoplastic materials, with the glass transition temperature of the amorphous thermoplastic material or materials and the melting point of the semicrystalline thermoplastic material or materials varying from 80° C. to 300° C. The particles exhibit a volume-average diameter of less than or equal to 200 μm. | 04-18-2013 |
20130116376 | RUBBER COMPOSITION COMPRISING A THERMOPLASTIC FILLER AND COMPATIBILIZER - A rubber composition, which can be used for manufacturing tyres, is based on one or more diene elastomers, on one or more reinforcing fillers, and on a crosslinking system. The rubber composition includes particles of one or more thermoplastic materials chosen from thermoplastic materials with melting or softening points varying from 80° C. to 300° C. The rubber composition also includes one or more compatibilizing agents chosen from block copolymers that includes at least one diene elastomer block and at least one thermoplastic block compatible with the one or more thermoplastic materials. | 05-09-2013 |
20130174952 | TYRE HAVING A TREAD COMPRISING A DEGRADABLE FILLER MATERIAL - A tyre tread includes a cellulose-based filler material placed in a cavity of the tread. The filler material includes a blend of a degradable cellulose-based thermoplastic and an unsaturated thermoplastic elastomer. | 07-11-2013 |
20130196086 | INFLATABLE OBJECT PROVIDED WITH A GAS-TIGHT LAYER CONTAINING A THERMOPLASTIC ELASTOMER AND A HYDROCARBON-BASED RESIN - A pneumatic object is provided with a layer that is airtight to inflation gases. The layer includes an elastomer composition having at least a thermoplastic elastomer (TPE), as a sole elastomer or as a predominant elastomer by weight, and a hydrocarbon resin. A glass transition temperature of the hydrocarbon resin is above 0° C. The TPE is a copolymer that includes at least a central polyisobutylene block. Optionally, the elastomer composition includes an extender oil. Also optionally, the elastomer composition includes a platy filler selected from a group that includes graphites and phyllosilicates, such as micas, clays, and talcs. The pneumatic object may be an inner tube or a pneumatic tyre for a motor vehicle. | 08-01-2013 |
20140076473 | TYRE PROVIDED WITH A TREAD COMPRISING A THERMOPLASTIC ELASTOMER - A tyre includes a tread, a crown with a crown reinforcement, first and second sidewalls, two beads, and a carcass reinforcement anchored to the two beads and extending from the first sidewall to the second sidewall. The tread includes a thermoplastic elastomer that is a block copolymer, which includes at least one elastomer block and at least one thermoplastic block. A total content of the thermoplastic elastomer in the tread is within a range varying from 65 to 100 phr (parts by weight per hundred parts of elastomer). | 03-20-2014 |
20140090548 | TIRE HAVING A COMPOSITE CORD IN THE TREAD - A tire includes a tread with an internal cavity. Positioned in the internal cavity is a composite cord structured to include an elastomer core and a sheath surrounding the elastomer core. The sheath is formed of a hollow cylindrical braid made of helically intertwined non-contiguous fibers. The tire may be pneumatic or non-pneumatic. | 04-03-2014 |
20140205836 | RUBBER COMPOSITE CORD FOR A TREAD OF A PNEUMATIC TIRE - A composite cord includes a rubber core and a rubber sheath surrounding, at least in part, the rubber core. A formulation of the core is different from that of the sheath. The rubber core includes at least one diene elastomer and more than 30 phr of a filler A. The filler A includes nanoparticles having a weight-average size of less than 500 nm. The rubber sheath includes at least one diene elastomer, from 0 to less than 30 phr of a filler A′, and more than 70 phr of a filler B. The filler A′ includes nanoparticles having a weight-average size of less than 500 nm. The filler B includes microparticles having a weight-median size of greater than 1 μm. | 07-24-2014 |
20140305558 | TYRE HAVING A TREAD COMPRISING AN IMPREGNATED FELT - A tyre is provided with a tread that includes a felt. The felt is impregnated with a thermoplastic elastomer material. Fibres of the felt are selected from a group that includes: textile fibres, inorganic fibres, and mixtures of textile fibres and inorganic fibres. | 10-16-2014 |
20140326378 | TREAD COMPRISING TREAD PATTERN ELEMENTS COVERED WITH A THERMOPLASTIC MATERIAL - A tire tread having:
| 11-06-2014 |
20140348968 | MOLDING ELEMENT COMPRISING CUTTING MEANS FOR MOLDING AND VULCANIZING A TIRE TREAD - A molding element for molding and vulcanizing a tire tread. This tread comprises a tread surface intended to come into contact with the ground when this tire is running. This molding element comprises a molding surface intended to mold part of the tire tread surface and a blade of length L and of height Hc intended to mold a sipe or a groove in the tread, the blade comprising a rounded end extending along the length of the blade in a direction of extension X. The molding element comprises two cutting means positioned on either side of the blade at a certain distance from this blade. Each cutting means comprises, at one end, an alternation of peaks and troughs extending in this direction of extension X. The distance of these peaks in relation to the molding surface is greater than or equal to the height Hc of the blade. | 11-27-2014 |
20150030851 | COMPOSITE REINFORCER SHEATHED WITH A RUBBER SELF-ADHESIVE POLYMER LAYER - A composite reinforcer capable of adhering directly to a diene rubber matrix, which can be used in particular as a reinforcing element for a tyre, comprises: one or more reinforcing thread(s), for example a thread or cord made of carbon steel; and a layer of a polymer composition which covers the said thread, individually each thread or collectively several threads, this layer comprising at least one thermoplastic polymer, the glass transition temperature of which is positive, such as, for example, a polyamide, and an epoxidized diene elastomer, such as, for example, natural rubber or a butadiene homopolymer or copolymer. A process for the manufacture of such a composite reinforcer, and a finished article or semi-finished product made of rubber, in particular a tyre, incorporating such a composite reinforcer are also disclosed. | 01-29-2015 |
20150034226 | TYRE OF WHICH THE CROWN AREA IS PROVIDED WITH A SUB-LAYER COMPRISING A THERMOPLASTIC ELASTOMER - The present invention relates to a radial tyre ( | 02-05-2015 |