144results 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 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 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).

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.

The invention relates to a bicycle tire comprising a tread, the tread comprising a rubber composition based on at least one elastomer matrix comprising from 50% to 95% by weight of at least one essentially unsaturated diene elastomer and from 5% to 50% by weight of ethylene-propylene-diene copolymer, known as EPDM, the EPDM having an ethylene content ranging from 50% to 75% by weight relative to the weight of the EPDM; a reinforcing filler comprising silica; and a crosslinking system.

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.

A bicycle for children, in particular a balance bicycle for children, comprising: - a frame (1), - two wheel assemblies (3, 4) attached centrally to the frame (1) one behind the other, - and a steering system (5) for steering the front wheel assembly (3), - wherein at least the rear wheel assembly (4) has a bulge-like rounded tire contour (8), - wherein the tire contour (8) has a central straight-line motion region (10) and also has, on both sides of said straight-line motion region (10), cornering regions (11) that curve outward toward the tire shoulders, allowing cornering maneuvers to be performed at a lateral tilt, - and wherein the tire contour (8) is designed such that the radius of curvature (12) of the average curvature of the tire contour (8) is greater than the average normal distance (13) from the center of gravity axis (7) of the bicycle to the tire contour (8) and the bicycle rights itself unaided while stationary, in particular in accordance with the principle used for a round-bottomed doll.

The invention relates to a tyre (100) for bicycle wheels, comprising:-a carcass structure (2) comprising at least one carcass ply (3) having ends (3a) rolled up around respective bead cores (4a, 4b) to form respective opposite beads (5a, 5b),-a tread band (7) arranged in a radially outer position relative to the carcass structure (2), and-a layer (8) of vulcanized elastomeric material superimposed or interposed in said carcass structure (2) in a radially inner or outer position, said layer (8) of vulcanized elastomeric material extending axially from at least one bead (5a) to an opposite bead (5b), characterized in that the layer (8) of vulcanized elastomeric material is arranged in the carcass structure (2). The layer (8) of vulcanized elastomeric material is produced by vulcanization of a vulcanizable elastomer compound comprising micron-sized fibrillated polymer fibers.

Vehicle tires, in particular for a light vehicle, a motorcycle, a bicycle or a mobility scooter, with a tread (1) having profile positives, for example lugs (2), and with grooves (4, 5) delimiting or extending into profile positives, which have a maximum depth of 0.50 mm to 6.00 mm, a width (b1) of 3.00 mm to 6.00 mm at the tread periphery, a U- or V-shaped cross-section with groove flanks (4b, 5b) and with a groove base (4a, 5a) with a width (b3) of 2.00 mm to 4.00 mm. At the groove base (4a, 5a) of grooves (4, 5) are formed freestanding rotationally symmetric, straight stone ejectors (7, 8) with circular base surfaces or freestanding rotationally symmetric straight stone ejectors with polygonal base surfaces, wherein the base surfaces orThe circumcircles of the base surfaces each have a diameter (d1, d2) which corresponds at most to the width (b3) of the groove base (4a, 5a) of the respective groove (4, 5) and is at least 0.50 mm.