53results about "Bicycle tyres" patented technology

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 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).

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.

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).

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.

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.

Pressure measuring device (32) for a bicycle, wherein the pressure measuring device (32) comprises: a housing (42; 242) which includes a removable power source section (44; 244); a pressure chamber (50; 250), wherein the pressure chamber (50; 250) comprises an inlet, an outlet and a measuring element opening (60), wherein the pressure chamber (50; 250) is designed to allow fluid to pass through it between the inlet and the outlet; a measuring element (58; 258) which is designed to measure a pressure in a measuring chamber (63), wherein the measuring chamber (63) is in fluid communication with the pressure chamber (50; 250) through the measuring element opening (60); an energy source (106; 206) which is arranged on the removable energy source section (44; 244) in the housing (42; 242), wherein the energy source (106; 206) is configured to provide energy to the measuring element (58; 258); and a valve device (205) which is arranged in the inlet, wherein the pressure measuring device (32) is arranged at least partially between a spoke bed (34) and a tire arrangement bed (36) of a rim (20).

A pneumatic valve is provided. The valve includes a unitary body having a passage therethrough and a circumferential groove about a proximal end of the body, the passage having a first portion of a constant diameter from a proximal end, and a second portion extending from the first portion to a distal end of the body. A seal is disposed in the second portion of the passage. A plug is disposed through the passage and selectively engageable with the seal. A spring us disposed in the passage and operably coupled to the plug, the spring biasing the plug into a first position. When the plug is in the first position a head of the plug is biased against the seal to prevent fluid communication through the passage, when the plug is in a second position, the plug is disengaged from the seal to allow fluid communication therethrough.

Tire whose tread is formed entirely or partially of a unit-molded composite material. The present invention relates to a tire (10) comprising a tread (15), said tread comprising a main composite material (30) which is of unit-molded construction and which comprises a thermoplastic polymer matrix and a textile reinforcement assembly. The present invention also relates to a method for manufacturing such a tire comprising the thermocompression of a multilayer assembly including a heat-fusible textile portion and a non-heat-fusible textile portion. Figure for the abstract: Fig. 1.

The invention relates to a bicycle valve with a valve stem, a check valve arranged in the valve stem, and a valve nut, wherein the valve stem comprises a first section with an air outlet and an external thread, and a second section adjacent to the first section with an air inlet and an outer diameter reduced compared to the first section; the valve stem has or carries a counter element at the air outlet with a counter outer diameter larger than that of the first section; the valve nut has a threaded section with an internal thread screwed onto the external thread of the first section of the valve stem, wherein the valve nut is rotatable on the external thread between a first clamping position relatively far from the air inlet and a second adapter position relatively close to the air inlet by tightening and loosening it;The valve nut has a clamping end face adjacent to the threaded section, facing the air outlet, the distance of which to the locking element can be reduced by moving the valve nut from the second adapter position to the first clamping position in order to clamp a bicycle rim between the clamping end face and the locking element in the first clamping position of the valve nut. The bicycle valve according to the invention is characterized in that the valve nut comprises an adapter section directly or indirectly adjoining the threaded section, which has a radially outer surface for attaching a pump head for car valves in the second adapter position of the valve nut.

The invention relates to a pneumatic tire (1) for a light vehicle, preferably a bicycle tire, with a tire carcass, wherein the tire carcass has exactly one innermost first carcass layer (6) and a second carcass layer (7), each of which is guided in a carcass rise (61, 71) under the tread (2) and terminates within an axial extension (8) of the tread (2) in carcass layer ends (62, 72). The task is to provide an air-filled tire that offers improved adaptation to the terrain while maintaining high durability at the zenith and advantageous cornering behavior under high lateral forces, e.g. in downhill riding. This is achieved by designing one or both carcass layers as asymmetric carcass layers (6,7), wherein for the asymmetric carcass layer the two carcass high points (61,71) of the respective asymmetric carcass layer (6,7) end in the same axial half (11,12) of the tire.

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 and a valve for a tubeless bicycle tire having a rim is provided. The valve includes a stem body having a first and second end with a first opening. A rim gasket is coupled to the first end. A cap is coupled to the second end, the cap having a pin passage therethough, the cap having a circumferential concavity on an outer diameter. A valve seat is disposed between the cap and the second end, the valve seat having a second hole that fluidly couples the first opening and the pin passage. A spring is disposed within the first hole. A seal is movably disposed within the first opening and biased against the valve seat by the spring, the seal being movable between a first position and a second position.

Tire (1) for single-track vehicles, comprising a carcass (10) made of a planar structure embedded in rubber compound based on threads (100), wherein the carcass (10) is essentially arc-shaped in cross-section and extends from a zenith (105) on both sides over sidewalls (14), and a tread strip (12) continuously applied to the carcass (10) in a circumferential direction (U), wherein the planar structure of the carcass (10) is formed from an unspliced, at least single-layered fabric of threads (100) running parallel to each other, wherein the threads (100) in at least one layer of the fabric at the zenith (105) of the carcass (10) enclose an angle (α) of 40° to 50° with respect to the circumferential direction (U).

The invention relates to a composition for a bicycle inner tube, containing - a synthetic rubber and - recovered soot, wherein the recovered carbon black has a proportion of ≤ 50 wt.%, based on the total weight of fillers contained in the composition. The invention further relates to a bicycle inner tube having the above composition, and to the use of the above composition for a bicycle inner tube.

The invention relates to a tyre (1) comprising a tread (6) connected to two beads (4) by means of two sidewalls (7), and a composite layer (9) formed from reinforcements (100) parallel to each other and coated with an elastomeric compound, said composite layer (9) forming a carcass reinforcement (2) by winding around a bead wire (8) in each bead (4) to create a hem, the invention relates to a tyre (1) comprising a carcass reinforcement (2), a tread (6) and a composite layer (9) extending radially outside the carcass reinforcement (2) to form a crown reinforcement (5), the crown reinforcement (5) comprising two crown layers (51, 52), the two crown layers (51, 52) being superposed radially inside the tread (6), the reinforcements (100) of the composite layer (9) being connected by weft filaments (110) such that the reinforcements and the weft filaments (110) form a woven fabric, the density of the weft filaments in the woven fabric is at least equal to half the density of the reinforcement of the woven fabric.

The invention relates to a bicycle tire having a tire carcass and a tread provided for contact with the road, at least portions of the tire carcass defining a tire interior, the tire carcass having two side walls and a tire bead in the region of each free end of the side walls, the carcass threads, in particular the warp threads, of a woven carcass fabric of the tire carcass assuming, at the point of intersection with a central plane of the tire, an angle between 55° and 85° or an angle between -55° and -85° with respect to the central plane, and at least one side-wall reinforcement being located in the region of each of the side walls of the tire carcass.

The invention relates to a pneumatic tire (1) for a light vehicle, preferably a bicycle tire, with a tire carcass, wherein the tire carcass comprises exactly one innermost first carcass layer (6) and a second carcass layer (7), each of which is guided in a carcass fold (61, 71) under the tread (2) and terminates in carcass layer ends (62, 72) within an axial extension (8) of the tread (2). The object is to provide a pneumatic tire that exhibits improved adaptation to the surface with simultaneous high durability at the zenith and advantageous cornering behavior under high lateral forces, e.g., in downhill riding. This is achieved by designing one or both carcass layers as asymmetric carcass layers (6,7), wherein for the asymmetric carcass layer the two carcass high points (61,71) of the respective asymmetric carcass layer (6,7) end in the same axial half (11,12) of the tire.

Tire (1) for single-track vehicles, comprising a carcass (10) made of a planar structure embedded in rubber compound based on threads (100), wherein the carcass (10) is essentially arc-shaped in cross-section and extends from a zenith (105) on both sides over sidewalls (14), and a tread strip (12) continuously applied to the carcass (10) in a circumferential direction (U), wherein the planar structure of the carcass (10) is formed from an unspliced, at least single-layered fabric of threads (100) running parallel to each other, wherein the threads (100) in at least one layer of the fabric at the zenith (105) of the carcass (10) enclose an angle (α) of 40° to 50° with respect to the circumferential direction (U).

The invention relates to a composition for a bicycle inner tube, comprising - a synthetic rubber and - a layered silicate. The invention further relates to a bicycle inner tube having the above composition, and to the use of the above composition for a bicycle inner tube.

The present invention relates to a tire (10) having a tread (15), said tread comprising a main composite material (30) which is of unitary molded construction and which comprises a thermoplastic polymer matrix and a textile reinforcement assembly. The present invention also relates to a method for manufacturing such a tire, comprising the thermocompression of a multilayer assembly comprising a hot-melt textile part and a non-hot-melt textile part.

The invention relates to a pneumatic tyre (1) for a two-wheeled vehicle, comprising a tyre tread (2), a tyre carcass, tyre sidewalls (3) and two bead regions (4) which each have a tyre bead having a core (5), wherein the two bead regions (4) each have a bead protection band (8) which is arranged axially outside the carcass as abrasion protection, wherein: • the tyre carcass is formed from a first carcass ply (6) and a second carcass ply (6') which each comprise reinforcements; • the second carcass ply (6') is arranged radially inside the first carcass ply (6) in a zenith (17) of the pneumatic tyre (1) for a two-wheeled vehicle and extends from the zenith (17) of the pneumatic tyre (1) for a two-wheeled vehicle over the tyre sidewalls (3) into both bead regions (4) and there wraps around each core (5) from axially inside to axially outside and ends in a second carcass ply end (7') under the bead protection band (8) of each bead region (4); • the first carcass ply (6) extends from the zenith (17) of the pneumatic tyre (1) for a two-wheeled vehicle over the tyre sidewalls (3) into the bead regions (4) and there wraps around each core (5) from axially inside to axially outside; • the first carcass ply (6) is guided from each bead region (4) in a carcass ply turn-up (61) over each tyre sidewall (3) and under the tyre tread (2); and • the two carcass ply turn-ups (61) overlap one another in the zenith (17) of the tyre (1), wherein the carcass ply turn-ups (61) extend over the zenith (17) and the tyre sidewalls (3) into both bead regions (4) and there end under the bead protection band (8) in a first carcass ply end (7).

The invention relates to a tire with a tread (5) having a tread center (5M) and tread shoulders (5S) adjoining it on both sides, wherein aero elements (8) are arranged on a surface (4a) of the tire (4) within surface bands, each having a turbulence flank (FV) for turbulence of air flowing against the forward direction (LV), and each having a counter-flank (FG) opposite the turbulence flank (FV). wherein the turbulence flank (FV) runs at a first flank angle (a1) of between 0° and 45° on the surface (4a) of the tire (4) and at a second flank angle (a2) to the circumferential direction (uR) of the tire (4). According to the invention, the aero elements (8) extend within the respective surface strip at least in the tread shoulder of the tread and / or in the sidewalls and / or in the bead areas, and the second flank angle (α2) outside the tread center (5M) is between 30° and 85°, preferably between 30° and 60°, in particular between 40° and 50°.

The invention relates to a bicycle valve with a valve stem, a check valve arranged in the valve stem and a valve nut, wherein the valve stem comprises a first section with an air outlet end and with an external thread onto which the valve nut is screwed, and a second section adjacent to the first section with an air inlet end and an outer diameter reduced compared to the first section. The bicycle valve according to the invention is characterized in that the valve nut has a threaded section with an internal thread screwed onto the external thread and an adapter section directly or indirectly adjoining the threaded section with a radially outer surface for attaching a pump head for car valves.

A tire valve assembly includes a valve stem defining a hollow interior and a valve positioned within the hollow interior. The valve is manually movable between a closed position to inhibit movement of fluid through the valve stem and an open position to facilitate movement of fluid through the valve stem to inflate the tire.

A pneumatic valve is provided. The pneumatic valve including a body having a passage therethrough and a circumferential groove about a proximal end of the body, a plug disposed through the passage and extending out of the proximal end of the body and a distal end of the body, and a circumferential gasket attached to a portion of the plug extending out of the distal end of the body. The pneumatic valve also including a spring disposed in the passage and around at least part of the plug. The spring biasing the plug into a first position. When the plug is in the first position the circumferential gasket seals the distal end of the body. When the plug is in a second position the distal end of the body is unsealed.