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 |
20130209716 | INFLATABLE ARTICLE PROVIDED WITH GAS-IMPERMEABLE LAYER BASED ON A BLEND OF A BUTYL RUBBER AND A THERMOPLASTIC ELASTOMER - An inflatable article is provided with an elastomer layer that is airtight towards inflation gases. The elastomer layer includes at least one rubber composition, and the rubber composition includes at least: as a non-thermoplastic elastomer, a butyl rubber, used alone or as a blend with one or more other non-thermoplastic elastomers (preferably diene elastomers); a crosslinking system; optionally a reinforcing filler at a content within a range from 0 to 120 phr; and a thermoplastic elastomer that includes a polyisobutylene block. A content of the thermoplastic elastomer is within a range from 3 to 80 parts by weight per 100 parts of non-thermoplastic elastomer. | 08-15-2013 |
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 |
20140290204 | METHOD OF MANUFACTURING A TWO-LAYER METAL CORD RUBBERIZED IN SITU USING AN UNSATURATED THERMOPLASTIC ELASTOMER - A method of manufacturing a metal cord with two concentric layers of wires is provided. The cord includes an internal layer of M wires, M having a value from 1 to 4, and an external layer of N wires. The cord is rubberized from within in situ. That is, during manufacture of the cord, the cord is rubberized from inside. According to the method, the internal layer is sheathed with rubber or a rubber compound by passing the internal layer through an extrusion head, and the N wires of the external layer are assembled around the sheathed internal layer to form a two-layer cord rubberized from the inside. The rubber is an unsaturated thermoplastic elastomer that is extruded in a molten state, and preferably is a thermoplastic styrene (TPS) type of thermoplastic elastomer, such as an SBS or an SIS block copolymer, for example. | 10-02-2014 |
20140299249 | TIRE PROVIDED WITH AN OUTER SIDEWALL COMPRISING A MIXTURE OF A DIENE ELASTOMER AND A THERMOPLASTIC ELASTOMER - A tire includes an external sidewall, having improved airtightness. The external sidewall includes at least one rubber composition comprising at least one or more diene elastomers at a total content of 1 to 99 phr, one or more thermoplastic elastomers having a polyisobutylene block at a total content of 1 to 99 phr, optionally a reinforcing filler at a content of 0 to 120 phr, and a crosslinking system. | 10-09-2014 |
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 |
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 |