182results about "Bicycle tyres" patented technology

The present disclosure is a two-wheeled vehicle tire for running on rough terrain having a tread portion. The tread portion includes a first tread edge, a second tread edge, a tread development width, a tire equator, a crown region, and side regions. The tread portion includes a plurality of crown blocks and a plurality of outer blocks. Each of the outer blocks has a ground contacting surface at least provided with a narrow groove or configured as a stepped surface including a base surface and a protruding surface locally protruding outward in a block height direction with respect to the base surface. Each of the crown blocks has a ground contacting surface provided with the narrow groove and configured as a non-step surface without the protruding surface.

A tubeless tire insert comprising: an annular body having shock absorbing characteristics; a positioning system configured to vary a mean inner diameter of the insert, wherein the insert has a mean inner diameter X when the tire is being installed on the rim; and the insert has a mean inner diameter Y when the tire is installed on the rim, where X is greater than Y.

A tubeless tire insert comprising: an annular body having shock absorbing characteristics; a positioning system configured to vary a mean inner diameter of the insert, wherein the insert has a mean inner diameter X when the tire is being installed on the rim; and the insert has a mean inner diameter Y when the tire is installed on the rim, where X is greater than Y.

A two-wheeled vehicle pneumatic tire having a tread, a tire carcass, tire sidewalls, and two bead regions with a bead protective strip. The tire carcass is formed from a first carcass inlay and a second carcass inlay. The second carcass inlay is arranged radially inwardly of the first carcass inlay, and extends from a crown region (17) of the two-wheeled vehicle pneumatic tire and terminates at a second carcass inlay end under the bead protective strip. The two-wheeled vehicle pneumatic tire provides improved puncture protection whilst maintaining good rolling resistance. This is achieved in that the first carcass inlay is guided with a first carcass inlay turn-up over the particular tire sidewall as far as under the tread to a first carcass inlay end, and terminates there at the first carcass inlay end.

To provide a two-wheeled vehicle tire for off-road travel that can exhibit excellent roll characteristics while maintaining shock absorbency.SOLUTION: The present invention relates to a two-wheeled vehicle tire for off-road travel having a tread part 2. The tread part 2 includes a first tread end T1, a second tread end T2, a tread development width TWe, a tire equator C, a crown area 6, and a side part area 7. The tread part 2 includes a plurality of crown blocks 10, and a plurality of outer blocks 20. Each tread of the plurality of outer blocks 20 has a narrow groove formed therein, or is a step surface 25 including a base surface 26, and a projection surface 27 which is locally projects to an outer side in a block height direction with respect to the base surface 26. Each tread of the plurality of crown blocks 10 has a narrow groove 15 formed therein, or is a step surface 28 with no projection surface 27.SELECTED DRAWING: Figure 2

Shape memory alloy elements (“SMAs”) are bonded, encased, or encapsulated with one or more polymers to form an integrated component with unique elastic, pseudoelastic, and load-bearing properties.

A two-wheeler tire, preferably a bicycle tire, and to a process for producing a two-wheeler tire, preferably a bicycle tire. The two-wheeler tire includes in at least one component a rubber mixture containing at least the following constituents: at least one rubber, preferably at least one diene rubber; and at least one substance from renewable raw materials which is distinct from rubber.

This invention relates to an inflation valve for use with a tubeless tyre, the inflation valve comprising a ball valve. The ball valve optionally comprises a housing within which is provided a ball, the ball being formed with a through-hole, the ball being rotatable between an open position in which air and / or sealant is allowed to flow through the through-hole, and a closed position in which air and / or sealant is substantially prevented from flowing through the through-hole.

A tubeless tire insert comprising: an annular body having shock absorbing characteristics; a positioning system configured to vary a mean inner diameter of the insert, wherein the insert has a mean inner diameter X when the tire is being installed on the rim; and the insert has a mean inner diameter Y when the tire is installed on the rim, where X is greater than Y.

The present invention provides a pneumatic valve system for easily attaching and sealing a valve coupler to a valve stem for filling an inflatable vessel such as a tire, tube, mattress, etc. The valve system may comprise the following major components: a valve stem, a valve cap with a pin passage and attachment structure for attaching to a valve coupler, a sealing member, a biasing member, the valve coupler comprising a coupler housing, a pin seat, an inflation pin, and a collar with ball bearings complementary to the attachment structure of the valve cap, and an elastic sleeve for providing inward force against the ball bearings. The valve system may allow for easy, secure, and sealed engagement between the valve coupler and valve stem by simply pushing down on the valve coupler, and disengagement by pulling up on the valve coupler with as little as two fingers.

The invention relates to a bicycle rim (4) having an annular rim profile (9) for receiving a tyre casing (8) on the outside, wherein the rim profile (9), together with the tyre casing (8), forms an annular cavity (80) for providing an overpressure region (10), which is provided for filling with a gas (G), and wherein a measuring device (12), provided with a housing (70) and having at least one pressure measuring sensor (13) for determining the pressure (p) in the overpressure region (10), is arranged on the rim profile (9). According to the invention, the housing (70) lies flat with a contact surface (73) adapted to the curvature of the rim profile (9) against the outer contour of the rim profile (9) facing the overpressure region (10).

The invention provides a buzzing tire pressure alarm installed on an air tap, and relates to the technical field of bicycle tire pressure alarms, the buzzing tire pressure alarm comprises an upper shell assembly, an air tap connecting assembly is arranged at the joint of the upper shell assembly, and the air tap connecting assembly is used for being fixedly connected with the tire air tap; the air nozzle connecting assembly comprises a connecting nozzle, a third connecting thread and an air inlet nozzle, the upper shell assembly is used for being connected, fixed and detached with the air nozzle connecting assembly, the upper shell assembly comprises an upper shell body, anti-skid lines and a first connecting thread, and the pressure sensor can accurately detect the input air pressure value. The air pressure of the tire can be monitored in real time in cooperation with data acquisition, conversion and judgment logic of the microprocessor, an alarm mechanism can be quickly triggered when the air pressure is lower than a safety threshold value, a rider can know the air pressure condition of the tire in time, and potential safety hazards such as increase of riding resistance, excessive abrasion of the tire and tire burst caused by insufficient air pressure are effectively avoided.

A bicycle tyre (1) comprising tyre carcass (10) defining a tyre interior space (20) for the inflation fluid and having opposite sidewalls (11, 12) and central wall (13) connecting the sidewalls (11, 12), the sidewalls (11, 12) defining a tyre base (40) configured for fastening to a bicycle rim; a tread (60) externally covering at least the central wall (13) of the tyre carcass (10); the bicycle tyre (1) comprises one or more 3D printed nets (70) embedded into the tyre carcass (10) by means of one or more vulcanization processes.

The invention relates to a tire (1), in particular for bicycles, with a carcass (10) extending over sidewalls (14) and a tread strip (12) applied radially to the outside of the carcass (10) and extending in a circumferential direction (U), wherein at least one circumferential puncture protection strip (13) based on a surface structure is arranged between the tread strip (12) and the carcass (10), wherein the surface structure for the puncture protection strip (13) is a fabric consisting of at least one layer of threads (130) running parallel to each other, wherein the threads (130) form an angle between 0 and 90° with respect to the circumferential direction (U).

The present invention relates to a bicycle tyre (1) comprising a tyre carcass (10) defining a tyre interior space (20) for the inflation fluid and having opposite sidewalls (11, 12) and central wall (13) connecting the sidewalls (11, 12), the sidewalls (11, 12) defining a tyre base (40) configured for fastening to a bicycle rim; a tread (60) externally covering at least the central wall (13) of the tyre carcass (10); one or more ripstop fabrics (70) applied in the tyre carcass (10).

Vehicle tire, preferably for a light vehicle, particularly preferably for a bicycle and / or a mobility scooter and / or a motorcycle, with a directional tread (1) with a defined rolling direction when traveling forward, wherein the tread (1) has a tread base surface (1a) and a profile consisting of spaced-apart shoulder lugs (2) and central lugs (3), wherein the shoulder lugs (2) have a lug base on the tread base surface and a top surface (5) parallel to the tread base surface (1a) providing the contact surface to the ground and are surrounded between this and the lug base (4) by flanks (6, 7) and are bounded at the top surface (5) towards the center of the tread by a lug edge (5a) with a straight reference line (b1) between its edge ends. A reference plane (m a), which runs perpendicular to the tread base surface (1a) and perpendicular to and centrally through the reference line (b1), divides shoulder lugs (2) into an incoming lug part (2b1) which, viewed in the direction of rolling during forward travel, first enters the subsoil and an outgoing lug part (2b2), wherein the incoming lug part (2b1) has a rubber volume that is 10% to 50% larger than the outgoing lug part (2b2).

Bicycle rim (4) with - an annular rim profile (9) for receiving a tyre casing (8) on the outside, - wherein the rim profile (9) together with the tyre casing (8) forms an annular cavity (80) for providing an overpressure area (10) which is intended for filling with a gas (G), and - wherein a measuring device (12) provided with a housing (70) and having at least one pressure measuring sensor (13) for determining the pressure (p) in the overpressure region (10) is arranged on the rim profile (9), characterized in that the housing (70) rests flatly with a support surface (73) adapted to the curvature of the rim profile (9) on the outer contour of the rim profile (9) facing the overpressure region (10).

The invention relates to the technical field of bicycle tires, in particular to a puncture-proof and explosion-proof bicycle tire. The invention provides a puncture-proof and explosion-proof bicycle tire. The puncture-proof and explosion-proof bicycle tire is sequentially provided with a tire body cord fabric layer, a steel wire cord fabric layer and tread rubber from inside to outside. According to the puncture-proof and explosion-proof bicycle tire, the puncture-proof and explosion-proof performance can be remarkably improved while the riding experience is considered.

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.

Vehicle pneumatic tire (1) for a light vehicle, preferably a bicycle, with a tire carcass comprising exactly a first carcass layer (6) in the inner part of the tire at the zenith and a second carcass layer (7), each of which terminates in a carcass high point (61,71) under the tread. The goal is to create a tire that offers lower rolling resistance and improved adaptation to the surface, while simultaneously maintaining high puncture protection and advantageous cornering behavior under high lateral forces. This is achieved by the fact that the first two carcass uplifts (61) on the tire half on which they are guided over the respective sidewall (3) end in the axially outer 20% of the axial extent (8) of the tread (2), and that the second carcass uplifts (71) coming from the sidewall extend within the axial extent (8) of the tread beyond the first carcass uplift (61) which is guided over the sidewall on the same tire half as the respective second carcass uplift (71).

A system and method for a tubeless tire insert. The present invention includes an annular body having shock absorbing characteristics. A positioning system configured to vary a mean inner diameter of the insert is also included. The insert has a mean inner diameter X when the tire is being installed on the rim, and the insert has a mean inner diameter Y when the tire is installed on the rim, where X is greater than Y.

An inflation system for tubeless bicycle tires may include a valve, a sealant canister, a pump head, and / or a valve core adapter. The valve, sealant canister, and pump head may collectively facilitate sealant injection into a tire by a user. The valve has an external valve seat, and includes a valve body, a valve stem extending through the length of the valve body, and a retaining mechanism for the valve stem disposed interior to the valve body. The valve stem is configured to move relative to the valve body, such that a resilient seating surface disposed at a proximal end of the valve stem is displaced relative to a valve seat formed by an exterior surface of a proximal end of the valve body.

The invention relates to an inflation valve for use with a tubeless tire, the inflation valve comprising a ball valve. The ball valve optionally includes a housing in which a ball is disposed, the ball forming a through-hole, the ball being rotatable between an open position in which air and / or sealant are permitted to flow through the through-hole and a closed position in which air and / or sealant are permitted to flow through the through-hole, the ball being rotatable between an open position in which air and / or sealant are permitted to flow through the through-hole and a closed position in which air and / or sealant are permitted to flow through the through-hole. Air and / or sealant are substantially prevented from flowing through the through-hole.

The invention provides a two-wheeled vehicle tire used for running on rough ground, which can maintain impact absorption performance and simultaneously exert excellent roll characteristics. The present invention is a two-wheeled vehicle tire having a tread portion (2) for running on rough ground. The tread portion (2) includes a first tread end (T1), a second tread end (T2), a tread spread width (TWe), a tire equator (C), a crown region (6), and a side region (7). The tread portion (2) includes a plurality of crown blocks (10) and a plurality of outer blocks (20). The tread surface of each of the plurality of outer blocks (20) is a stepped surface (25) in which at least a narrow groove is formed or which includes a base surface (26) and a protruding surface (27) that partially protrudes outward in the block height direction with respect to the base surface (26). The tread surface of each of the plurality of crown blocks (10) is a non-stepped surface (28) in which a narrow groove (15) is formed and which does not have a protruding surface (27).

A tire assembly that includes a tread portion, a rim, and at least a first band assembly positioned between the tread portion and the rim. The first band assembly includes a first SMA element having an outer surface and a first bead member having an outer surface. The first SMA element extends circumferentially about the tire assembly and the first bead member extends circumferentially about the tire assembly. The first band assembly also includes a plurality of fiber reinforcement members. Each of the plurality of fiber reinforcement members extend around the outer surface of the first SMA element and the outer surface of the first bead member to form the first band assembly.

The invention relates to a tyre (1) of an electrically assisted bicycle or wheelchair, said tyre comprising a crown reinforcement radially inside a tread, said tread being connected, by means of two sidewalls (3), to two beads. The tyre comprises, on at least one of the sidewalls (3) and projecting from the sidewall, a strip (4) of a rubber compound with an axial thickness (ep) of at least 1 mm and not more than 4 mm, at least 10 mm and not more than 30 mm. The rubber compound has a Shore A hardness of between 55 and 75, and a glass transition temperature of between -15°C and 0°C. Said compound forms a smooth outer surface (5) intended to come into contact with a drive roller having a plurality of indenters.

The invention relates to a two-wheeled vehicle pneumatic tire (1), preferably bicycle tire, particularly preferably racing bike tire (1), having a tread (2), a tire carcass, tire side walls (3) and two bead regions (4), each with a tire bead with a core (5), wherein the tire carcass comprises two carcass inlays (6,6′) wherein the two carcass inlays (6, 6′) extend from a zenith region (17) of the two-wheeled vehicle pneumatic tire (1) over the tire side walls (3) as far as the two bead regions (4) and are looped there around the respective core (5) from axially on the inside axially outward and end with carcass inlay ends (7,7′) and wherein the two bead regions (4) each have a bead protective strip (8) arranged on the carcass from the outside as protection against chafing.The problem addressed is that of improving the rolling resistance.The problem is solved in that the carcass inlay ends (7′) of the inner carcass inlay (6′) are covered from the outside by the respective bead protective strip (8), wherein the inner carcass inlay (6′) is formed by that carcass inlay of the two carcass inlays (6, 6′) which is the radially inner carcass inlay in the zenith region (17). The invention furthermore relates to a two-wheeled vehicle having a tire of said type.