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Tire patents

Laura HorcajadaLaura Horcajada

Rubber composition for tire rim cushion or rubber finishing, and pneumatic tire using same

A composition obtained by blending 55 to 75 parts by mass of a carbon black (1) for which the nitrogen adsorption specific surface area is 35 to less than 50 m

Publication number: WO2014020909A1 | Search similar patents

Pneumatic tire, and device and process for producing pneumatic tire

A pneumatic tire (1) which rotates upon the center axis. The pneumatic tire is equipped with: a tread rubber (6) having a ground contact surface; grooves (20) formed in the tread rubber and each having an inner surface comprising a bottom surface and side surfaces which connect the bottom surface to the ground contact surface; and a coating film (50) which has been disposed so as to cover at least some of each inner surface and which mitigates ultraviolet light that is to strike on the inner surface.

Publication number: WO2016076402A1 | Search similar patents

Pneumatic tire


Provided is a pneumatic tire which comprises a tread produced using a specific rubber composition and has greatly improved wear resistance, while maintaining good wet grip performance and durability.
The present invention relates to a pneumatic tire which comprises a tread produced using a rubber composition that contains a specific oil-extended butadiene rubber, an isoprene-based diene rubber and/or a styrene butadiene rubber, a specific carbon black and stearic acid, respectively in predetermined amounts. The oil-extended butadiene rubber is a butadiene rubber synthesized using a rare earth element-based catalyst, and the amount of a process oil blended in this rubber composition is not more than a predetermined amount.

Publication number: WO2015076049A1 | Search similar patents

Rubber composition and pneumatic tire

Provided is a rubber composition including, per 100 parts by mass of a rubber component comprising a diene-based rubber, 1-100 parts by mass of a (meth)acrylate-based polymer which has a weight average molecular weight of 5000-1000000, and a glass transition point of -70-0?C. Also provided is a pneumatic tire which is obtained using said rubber composition.

Publication number: WO2015155965A1 | Search similar patents

Rubber composition for tires and pneumatic tire

?The purpose of the present invention is to provide a rubber composition for tires, the rubber composition having exceptional elongation at break and abrasion resistance, and a pneumatic tire using the same. This rubber composition for tires includes a diene rubber containing styrene-butadiene rubber and/or butadiene rubber, and a transition metal and/or transition metal compound. The contained amount of transition metal and transition metal compound is 0.01-5 parts by mass as metal per 100 parts by mass of diene rubber.

Publication number: WO2016024606A1 | Search similar patents

Pneumatic tire

The purpose is to provide a pneumatic tire with excellent colored layer staining resistance compared with a pneumatic tire with a conventional colored layer. A pneumatic tire of the present invention includes a colored layer formed on the outer side in a tire width direction of a side rubber on the side of the tire via a non-staining rubber layer, and is characterized in that the non-staining rubber layer contains a layered compound (21).

Publication number: WO2013065321A1 | Search similar patents

Method for producing rubber composition for tires, and pneumatic tire


?According to the method for producing a rubber composition for tires of the present invention, comprising a rubber component (A) containing a natural rubber and/or a synthetic diene rubber, a filler containing an inorganic filler (B) containing at least silica, a silane-coupling agent (C) and an amino acid (D) having sulfur atoms, it is possible to provide a rubber composition for tires with balanced improvements in workability, wear resistance and fuel economy, in addition to a pneumatic tire fabricated using said rubber composition for tires.

Publication number: WO2016009776A1 | Search similar patents

Rubber composition for tire, and pneumatic tire

The present invention provides a rubber composition for a tire, wherein it is possible to improve workability, fuel efficiency, wet grip properties, and wear resistance in a balanced manner. The present invention also provides a pneumatic tire using said rubber composition. The present invention pertains to a rubber composition for a tire, the rubber composition containing a compound represented by formula (1), silica, and a modified styrene-butadiene rubber having a structural unit derived from a specific nitrogen-containing compound in the main chain.

Publication number: WO2013047718A1 | Search similar patents

Rubber composition for tires and pneumatic tire

The present invention provides: a rubber composition for tires which has various properties such as low fuel consumption, processability, thermal aging resistance, wear resistance, wet grip performance, on-snow/ice performance and steering stability improved in a balanced manner; and a pneumatic tire which is produced using this rubber composition. The present invention relates to: a rubber composition for tires, which contains a modified natural rubber that is highly purified and is adjusted to have a pH of 2-7, a carbon black and/or a white filler, and a styrene-butadiene rubber having a styrene content of 30% by mass or more; and a pneumatic tire which is produced using this rubber composition.

Publication number: WO2015098417A1 | Search similar patents

Rubber composition and pneumatic tire using same

Disclosed are a rubber composition suppressed in heat aging, and a pneumatic tire using such a rubber composition. Specifically disclosed is a rubber composition containing 0.1-50 parts by weight of fluorinated carbon particles having an average primary particle diameter of not more than 1 ?m. Also specifically disclosed is a pneumatic tire using such a rubber composition.

Publication number: WO2007111144A1 | Search similar patents

Rubber composition for tires and pneumatic tire

Provided are: a rubber composition for tires, which is capable of improving fuel efficiency, wear resistance and wet grip performance in a balanced manner, while maintaining good processability and workability; and a pneumatic tire which uses the rubber composition for tires in a tire component (particularly in the tread).The present invention relates to a rubber composition for tires, which contains a copolymer, silica and a compound represented by formula (A). The copolymer is obtained by copolymerizing 1,3-butadiene, styrene and a compound represented by formula (I), has an amino group at one end, has a functional group that contains at least one atom selected from the group consisting of a nitrogen atom, an oxygen atom and a silicon atom at the other end, and has a weight average molecular weight of from 1.0 � 105 to 2.5 � 106.

Publication number: WO2012176743A1 | Search similar patents

Rubberized fabric and pneumatic tire comprising said rubberized fabric

Publication number: EP1390215A1 | Search similar patents

Tire wear sensor

A tire wear sensor for monitoring wear of a tire comprises a sensor mounted within a tread of a tire, the sensor for monitoring wear of a tire and for generating a signal indicative of a tire needing replacement and a controller for receiving the signal.

Publication number: US2006090558A1 | Search similar patents

Rubber composition and pneumatic tire provided with tread produced using rubber composition

Provided are: a rubber composition which has a good workability, and, at the same time, the low fuel consumption, wear and abrasion resistance and wet grip performance of which are improved in a balanced manner; and a pneumatic tire provided with a tread, said tread being produced using the rubber composition. The rubber composition comprises a copolymer, said copolymer being synthesized by copolymerizing a conjugated diene-type monomer with a compound represented by general formula (1), carbon black and/or silica. [In general formula (1), R11 represents a hydrocarbon group having 1-30 carbon atoms.]

Publication number: WO2016002433A1 | Search similar patents

Method for producing rubber composition for tires, and pneumatic tire


?Provided is a method for producing a rubber composition for tires, the composition comprising a rubber component (A) containing natural rubber and/or synthetic diene rubber, an inorganic filler (B) containing at least silica, a silane-coupling agent (C) and a mastication promoter (D). According to this method, it is possible to provide a rubber composition for tires with balanced improvements in workability, wear resistance and fuel economy, in addition to a pneumatic tire using said rubber composition for tires.

Publication number: WO2016009775A1 | Search similar patents

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