351results about "Without separate inflatable inserts" patented technology

A disclosed water droplet sensing system and methods using split-ring resonators, which may be embedded within a material. In use, a component includes at least one split-ring resonator (SRR) which may be embedded within a material of the component. The at least one SRR may be formed from a composite material. Additionally, the at least one SRR may be configured to form a signal that is correlated with a concentration of water proximate to the at least one SRR. In some aspects, each SRR may resonate at a first frequency in response to an electromagnetic ping when the material is in a first state, and may resonate at a second frequency in response to the electromagnetic ping when the material is in a second state. A resonant frequency of the material may be based on physical characteristics of the material (including fluid accumulation on the material).

A disclosed airborne vehicle includes split-ring resonators (split ring resonators), which may be embedded within a material. Each split ring resonator may be formed from a three-dimensional (3D) monolithic carbonaceous growth and may detect an electromagnetic ping emitted from a user device. Each split ring resonator may generate an electromagnetic return signal in response to the electromagnetic ping. The electromagnetic return signal may indicate a state of the material in a position proximate to a respective split ring resonator. In some aspects, each may resonate at a first frequency in response to the electromagnetic ping when the material is in a first state, and may resonate at a second frequency in response to the electromagnetic ping when the material is in a second state. A resonant frequency of the 3D monolithic carbonaceous growth may be based on physical characteristics of the material.

A disclosed apparatus includes sensors incorporated into adhesive material. In use, an apparatus may comprise an adhesive material and at least one split-ring resonator (SRR) disposed on or in the adhesive material. Additionally, the at least one SRR is formed from a carbon-containing material, and the adhesive material is a non-elastomeric material or a semi-rigid material. In some aspects, each SRR may resonate at a first frequency in response to an electromagnetic ping when the adhesive material is in a first state, and may resonate at a second frequency in response to the electromagnetic ping when the adhesive material is in a second state. A resonant frequency of the adhesive material may be based on physical characteristics of the adhesive material.

A disclosed leaky coaxial resonant sensor system and methods. In use, the system includes at least one split-ring resonator (SRR) embedded within a material of the component. The at least one SRR is formed from a composite material. Additionally, the at least one SRR is configured to resonate at a first frequency in response to an interrogation signal from a leaky coaxial cable antenna. In some aspects, each SRR may resonate at a first frequency in response to an electromagnetic ping when the composite material is in a first state, and may resonate at a second frequency in response to the electromagnetic ping when the composite material is in a second state. A resonant frequency of the composite material may be based on physical characteristics of the composite material.

Resonant sensors for environmental health risk detection are disclosed. A mechanical member may include at least one meso-scale or micro-scale resonator disposed on a surface of the mechanical member. Additionally, the at least one meso-scale or micro-scale resonator may include a plurality of first carbon particles configured to uniquely resonate in response to an electromagnetic ping based at least in part on a concentration level of the first carbon particles within the at least one meso-scale or micro-scale resonator. Further, the at least one meso-scale or micro-scale resonator may be configured to resonate at a first frequency in response to the electromagnetic ping when the mechanical member is in a first state, and may be configured to resonate at a second frequency in response to the electromagnetic ping when the mechanical member is in a second state.

The present invention addresses the problem of providing a pneumatic tire in which a reduction in tire performance is mitigated despite using polyamide fibers with low amide density. The solution is a pneumatic tire characterized by comprising a carcass layer (50), belt layers (60A, 60B), and a belt reinforcement layer (70A), wherein reinforcing cords (50-1, 70A-1) in the carcass layer (50) and / or the belt reinforcement layer (70A) contains polyamide fibers having an amide density of 14.0 or less, and (i) when a gauge thickness A from the outer circumferential surface on the tire inner-surface side of the reinforcing cords (50-1) of the carcass layer (50) to the tire inner surface is measured at 100 equally spaced points, the average of the gauge thickness A is 1.5 mm or less, or (ii) when a gauge thickness D from the outer circumferential surface on the tire outer-surface side of the reinforcing cords (70A-1) of the belt reinforcement layer (70A) to the tire outer surface is measured at 100 equally spaced points, the gauge thickness D is 6.0 mm or less at 80% of the measurement points or more.

The present invention relates to a rubber composition comprising a rubber component having at least one halobutyl rubber in an amount of 60 to 100 phr and a carbon content in the range of 0.20 to 0.45 Bq / g. 14 C content; carbon content in the range of 60% by mass to 85% by mass; and a filler component including a filler F1 having an acidic hydroxyl group on a surface thereof, wherein the weighted arithmetic mean of the STSA surface area of ​​the filler F1 is 40 m 2 / g~80m 2 / g; the filler F1 has a volumetric median particle size distribution Dv(50) in the range of 0.5 μm to 5 μm, and a volumetric Dv(97) value in the range of 3 μm to 23 μm; (i) the filler component contains more than 45 phr of filler F1; or (ii) the filler component contains more than 25 phr of filler F1 and further one or more carbon blacks F2, the weighted arithmetic mean STSA surface area of ​​the carbon blacks F2 being greater than 55 m 2 / g~95m 2 The present invention also relates to a vulcanizable rubber composition and a vulcanized rubber composition based on the aforementioned rubber composition, a kit of parts for producing the vulcanizable rubber composition, and a method for producing the rubber composition and the vulcanizable rubber composition. The present invention further relates to a method for further processing the vulcanizable rubber composition. The present invention further relates to the use of the aforementioned hydrothermally treated lignin for producing a rubber composition for an inner liner.

A pneumatic tire includes a tread portion, a pair of sidewall portions, a pair of bead portions, a carcass extending between the pair of bead portions, and an inner rubber extending between the pair of bead portions on an inner side of the carcass. The inner rubber includes a first portion extending in the tread portion with a first thickness and a second portion extending in each of or one of the pair of sidewall portions with a second thickness. The first thickness is greater than the second thickness. In a tire meridian cross-section, a cross-sectional area of the inner rubber is in a range from 1.5% to 10% of an inner-cavity cross-sectional area of the pneumatic tire.

A disclosed apparatus includes sensors incorporated into adhesive material. In use, an apparatus may comprise an adhesive material and at least macro-scale or meso-scale or micro-scale resonator disposed on or in the adhesive material. Additionally, the at least one macro-scale or meso-scale or micro-scale resonator is formed from a carbon-containing material, and the adhesive material is a non-elastomeric material or a semi-rigid material. In some aspects, each macro-scale or meso-scale or micro-scale resonator may resonate at a first frequency in response to an electromagnetic ping when the adhesive material is in a first state, and may resonate at a second frequency in response to the electromagnetic ping when the adhesive material is in a second state. A resonant frequency of the adhesive material may be based on physical characteristics of the adhesive material.

A pneumatic tire 1 includes a tread portion 2, a pair of bead portions 4, a carcass 6 extending on and between the pair of bead portions 4, a reinforcing layer 7 disposed outward of the carcass 6 in a tire radial direction in the tread portion 2, and a wireless tag 8 disposed inward of the carcass 6 in the tire radial direction in the tread portion 2. The reinforcing layer 7 includes at least one reinforcing ply 7A in which reinforcing cords 7a are arranged. The wireless tag 8 includes an electronic component body 9 that defines a longitudinal direction D, and an antenna portion 10 helically wound around the electronic component body 9 along the longitudinal direction D. The longitudinal direction D of the wireless tag 8 intersects all of the reinforcing cords 7a.

To provide a motorcycle tire capable of increasing vibration absorbability to improve steering stabilizing performance while maintaining high rigid feeling during traveling.SOLUTION: A motorcycle tire 1 comprises an installation rubber layer 10 disposed between a body 6a of a carcass ply 6A and an inner liner layer 9. The installation rubber layer 10 extends from a first end 10e of a tread 2 side to at least a bead core 5. A side wall 3 includes an outermost end t1 of the tire in a radial direction in which a normal rim R comes into contact with a tire outer surface 1s of the side wall 3. The tire outer surface 1s of the side wall 3 is provided with a side profile 3S which occupies, from a tread end Te, to 90% or more of a tire radial length La between the tread end Te and the outermost end t1. The side profile 3S is linear or a circular arc in which a curvature radius r1 is 55 mm or larger and which is projected inside in a tire axial direction.SELECTED DRAWING: Figure 1

To provide a rubber composition and a tire excellent in overall performance of hardness and crack growth resistance.SOLUTION: The rubber composition comprises a rubber ingredient containing a butyl-based rubber, a cyclic amine having double bonds in the ring, and carbon black having a 24M4DBP oil absorption of 170ml / 100g or more.SELECTED DRAWING: None

A pneumatic tire (10) is disclosed comprising a carcass (16), an air barrier layer (24) and a puncture resistant layer (20, 20b). In one aspect, the puncture resistant layer (20, 20b) is located adjacent to the carcass (16) and the puncture resistant layer (20, 20b) has a post cure tack value with the carcass (16) of less than 50 N as measured at normal inflation pressure in accordance with ASTM D624-00 - Type C configuration. In another aspect, the puncture resistant layer (20, 20b) is located adjacent to the air barrier layer (24) and the puncture resistant layer (20, 20b) has a post cure tack value with the air barrier layer (24) of less than 50 N as measured at normal inflation pressure in accordance with ASTM D624-00 - Type C configuration.

A tire comprising an inner liner and insulation that contacts the inner liner on an outer surface of the inner liner in a tire radial direction, the insulation is made up of a rubber compound that includes recovered carbon black, where an air permeability coefficient of a rubber composition forming the inner liner is less than 18 × 10 -11 cm 3 · cm / (cm 2 · s · cmHg) is, where the thickness of the inner liner on a tire equator plane is 1.5 mm or less, and where the loss tangent at 70 °C, 70 °C tanδ, of a complex of the insulation and the inner liner is 0.22 or less.

The present invention provides a tire rubber composition that has excellent resistance to ozone, and high retention rates for elongation at break (EB) and tensile strength (TB) after aging. This tire rubber composition is characterized by including a rubber component, an amine-based antioxidant represented by prescribed general formula (1), and a quinoline-based antioxidant, wherein the amine-based antioxidant content is 0.1 to 11 parts by mass relative to 100 parts by mass of the rubber component, and the quinoline-based antioxidant content is 0.1 to 0.95 parts by mass relative to 100 parts by mass of the rubber component.

A tire has at least an electrically-conductive rubber. The electrically-conductive rubber has a contacting portion provided at a position contacting a rim.

An assembly (1) for a tire comprises: a first structure (10) formed by first cord elements (15), a second structure (12) formed by second cord elements (16), a bearing structure (14) comprising bearing cord elements (17) linking the first cord elements (15) to the first structure (10) and the second cord elements (16) of the second structure (12), and at least one cord securing element (18) fixed to the first cord elements (15) and to the second cord elements (16), said securing element (18) exhibiting an elongation at rupture at least equal to a minimum elongation greater than or equal to the ratio (A1) between a conformation height (h) of the assembly (1) and the sum of a thickness (e1) of the first structure (10), of a thickness (e2) of the second structure (12) and of a lock length (E).

A pneumatic tire of the present invention includes a tread portion, sidewall portions, bead portions, a carcass, and an inner liner layer. The carcass includes a plurality of carcass cords and a topping rubber layer. The inner liner layer includes a butyl rubber layer and an adhesive rubber layer. An electronic module is disposed between the carcass and the adhesive rubber layer. The electronic module includes an electronic component and a cover rubber. The cover rubber includes an inner layer and an outer layer. The electronic component is covered between the inner layer and the outer layer of the cover rubber.

This invention provides a tire that suppresses deterioration of rolling resistance, reduces electrical resistance, suppresses shrinkage of the unvulcanized rubber in the tread area that contacts the road surface, and improves high-speed durability. [Solution] The tire of the embodiment comprises Earth Red rubber 14, Cap Tread rubber 12 and Tie rubber 10. Earth Red rubber 14 has a specific surface area [m²] of carbon black CTAB adsorption. 2 The specific surface area × mass fraction (ET), which is the product of the [ / g] and mass fraction, is 20 to 40. The cap tread rubber 12 contains 80 parts by mass or more of silica per 100 parts by mass of rubber components, and the ratio of the mass of silica to the mass of filler is 90% or more. The tie rubber 10 is positioned on the inside of the tire relative to the carcass 4 and extends along the carcass 4 between a pair of bead cores 5. The specific surface area of ​​carbon black (A) and (B) of the tie rubber 10 with adsorption [m² 2 The product of [ / g] and mass fraction is between 20 and 40.

To provide a tire 2 capable of achieving reduction of rolling resistance while securing abrasion resistance in limit traveling.SOLUTION: A tread 4 comprises a cap layer 30 and a base layer 32. A loss tangent of the cap layer 30 at 30°C is 0.30 or less, and a loss tangent of the base layer 32 at 30°C is lower than the loss tangent of the cap layer 30 at 30°C. The base layer 32 is located axially on an inner side of a reference end PT of the tread 4. A fixing layer 24 is located radially between the cap layer 30 and a carcass 12. A first end 24a of the fixing layer 24 is axially located on an outer side of an end 32e of the base layer 32, or the location of the first end 24a of the fixing layer 24 corresponds to the location of the end of the base layer 32. An adhesive force of the fixing layer 24 is higher than an adhesive force of the cap layer 30.SELECTED DRAWING: Figure 1

Provided are: a pneumatic tire in which thermal shrinkage of a belt cover layer due to heating during the formation of a sealant layer is suppressed and thus it is possible to reduce distortion in the tire and improve durability; and a manufacturing method therefor. In a pneumatic tire comprising a tread portion 1, a pair of sidewall portions 2, and a pair of bead portions 3, a belt layer 7 including belt cords inclined with respect to the circumferential direction of the tire, and a belt cover layer 8 which is disposed on the outer circumferential side of the belt layer 7 and includes organic fiber cords oriented in the circumferential direction of the tire are embedded in the tread portion 1. The thermal shrinkage of the organic fiber cords in the belt cover layer 8 at 180°C is in the range of 0.1-5.0%. A sealant layer 20 is formed on a tire inner surface 10 in the tread portion 1. A sealant in the sealant layer 20 is composed of a silicone-based composition.

To provide a tire with improved air permeability resistance.SOLUTION: A tire comprises an inner liner, and an insulation which contacts the inner liner on a tire radial direction outer side of the inner liner. The insulation is constituted from a rubber composition containing recovered carbon black, an air permeation coefficient of the rubber composition constituting the inner liner is less than 18×10-11 cm3 cm / (cm2 s cmHg), a thickness of the inner liner on an equatorial plane of the tire is 1.5 mm or less, and a loss tangent 70°Ctanδ of a composite of the insulation and the inner liner at 70°C is 0.22 or less.SELECTED DRAWING: None

The present disclosure relates to the technical field of tires, and in particular to a non-pneumatic vacuum tire. The non-pneumatic vacuum tire includes a tread layer, a carcass ply layer and a puncture-resistant airtight layer. The tread layer is provided on the carcass ply layer and located at a crown; a pattern groove is formed in a surface of the tread layer; the puncture-resistant airtight layer is fixedly provided between the tread layer and the carcass ply layer or fixedly provided under the carcass ply layer; the puncture-resistant airtight layer includes one or more layers of canvas; a warp and a weft of the canvas each are formed by a plurality of filaments; and the canvas forms the puncture-resistant airtight layer by rubber impregnation and rubber coating; the puncture-resistant airtight layer at least covers a clinch to a shoulder; and a lower end of the puncture-resistant airtight layer extends to the clinch and forms a turn-up structure. Through the puncture-resistant airtight layer composed of the rubber impregnated and coated canvas, the vacuum tire achieves better puncture resistance and airtightness.

The present invention is directed to a pneumatic tire comprising a tread portion, two bead portions, two sidewalls extending between the tread portion and the respective bead portions, an inner surface defining a tire cavity, a sealant material layer covering the inner surface radially below the tread portion within the tire cavity, and at least one noise dampening strip which is partially covering and attached to the sealant material on a radially inner side and along a circumferential direction of the sealant material layer. The sealant material layer has at least one plateau region supporting the noise dampening element and one or more bottom regions provided laterally beside the plateau region, and wherein the plateau region extends out of the bottom regions in a radially inner direction.

To provide a pneumatic tire having a tire cavity with one or more sound dampening elements attached to a sealant material layer.SOLUTION: A pneumatic tire comprises a sealant material layer 30 covering an inner surface radially below a tread portion 10 within a tire cavity 6, and at least one noise dampening strip such as a foam strip 20 which is partially covering and attached to the sealant material on a radially inner side of the sealant material layer 30. The sealant material layer has at least one plateau region 40 supporting the noise dampening element, and one or more bottom regions 50 provided laterally beside the plateau region 40, where the plateau region 40 extends out of the bottom regions 50 in a radially inner direction.SELECTED DRAWING: Figure 1

Pneumatic tyre (1) having: a body ply (3); two annular beads (4); an annular tread (7); an innerliner (12); a pair of sidewalls (13); a pair of covering elements (14), each surrounding a respective bead (4); a pair of squeegees (18), each interposed between a respective edge (17) of the body ply (3) and the remaining part of the body ply (3); and an electronic device which is applied to an inner surface of the innerliner (12) and which is arranged between a respective covering element (14) and a respective squeegee (18). The electronic device is arranged at a first radial distance (R1) greater than 8 mm from the inner edge (15) of the respective covering element (14) and at a second radial distance (R2) greater than 5 mm from the respective squeegee (18). Alternatively, the electronic device is arranged at the first radial distance (R1) from the inner edge (15) of the respective covering element (14) and is radially aligned or radially partially superimposed upon the respective squeegee (18). Alternatively, the electronic device is radially aligned or radially partially superimposed upon the respective covering element (14) and is arranged at the second radial distance (R2) from the respective squeegee (18).

The invention relates to a method for producing a vehicle tyre blank (10), comprising the method steps of: a) producing or providing a starting composition, comprising: i) one or more rubber materials that are selected from the group consisting of isobutene-isoprene rubbers and halogenised isobutene-isoprene rubbers, and ii) one or more polyamides, b) extruding the starting composition at a temperature in the range from 220 to 290°C to obtain a mixed material, c) producing a flat material film (12) comprising the mixed material, d) contacting the flat material film (12) with a carcass layer (14) to produce a carcass laminate (16), wherein the carcass layer (14) comprises a plurality of reinforcing members (18) embedded in a vulcanisable rubber mixture, wherein the flat material film (12) is materially bonded to the carcass layer (14), and e) further processing the resulting carcass laminate (16) on a tyre assembly device and producing a vehicle tyre blank (10), wherein the vehicle tyre blank (10) comprises the carcass laminate (16).

Pneumatic tires, including: a tread section (1) extending in a circumferential direction of the tire and having a ring shape; a pair of sidewall sections (2) arranged on both sides of the running surface section (1); and a pair of bead sections (3) which are each arranged on an inner side of the pair of sidewall sections (2) in the tire radial direction; a transponder (20) embedded in one of the sidewall sections (2) extending in the circumferential direction of the tire, wherein the transponder (20) is covered with a coating layer (23), the relative dielectric constant of the coating layer (23) being lower than the relative dielectric constant of a peripheral rubber element adjacent to the coating layer (23), and the shortest distance (D) from an outer edge of the coating layer (23) to the transponder (20) in a tire meridian cross-section being 0.3 mm to 1.0 mm, wherein the total thickness (Gac) of the coating layer (23) is in the range of 1.5 mm to 3.5 mm.