543 results about "Tire bead" patented technology

The invention relates to the technical field of rust-proof treatment of metal products, in particular to a rust-proof discoloration-proof packaging system and method for a bronze-plated tire bead wire. The system sequentially comprises a cleaning unit, a surface treatment unit, a drying box, a film coating device, a cooling unit, a post-treatment unit, a take-up device and a packaging system according to the process. The core of the process method is as follows: the steel wire is immediately coated with a special antirust film coating agent to be cured by using waste heat generated after the steel wire is dried, and the film coating agent comprises water-based resin, a silane coupling agent, a conductive polymer, a nano filler and benzotriazole; during packaging, an intelligent packaging system with a built-in humidity response humidity control bag is adopted, and the humidity control bag can automatically release inert gas and a moisture absorbent when the environment humidity reaches a preset threshold value. Multiple synergistic protection on the surface of the steel wire is achieved, the anti-rust period is remarkably prolonged to 12 months or above through dynamic humidity control, meanwhile, the bonding performance and the retention rate of the steel wire and rubber are improved, and energy conservation and environment protection are achieved.

This invention relates to the field of tire barcode technology and discloses a non-intaglio type anti-counterfeiting and anti-tampering tire bead barcode, comprising a barcode information carrier layer, a vulcanized adhesive layer, and a release film connected in sequence; the barcode information carrier layer includes an integrally formed transparent layer and a carrier layer, with the barcode information disposed on the carrier layer. This invention avoids the problem of contaminants such as mud and dust affecting identification during use; the label surface is absolutely flat after vulcanization, eliminating any impact on the airtightness of the tire bead; it protects barcodes, text, numbers, and patterns; regardless of the tools used for fine polishing, the entire label body must be completely and severely damaged to render the label unreadable, and once the label body is severely damaged, the airtightness of the tire bead to the rim immediately fails, deterring malicious vandals.

The invention discloses a tire defect detection method and device and a computer readable storage medium, and relates to the technical field of tire defect detection.The method comprises the steps that image information of a tire is collected based on visual inspection, and surface defect information of the tire is recognized according to the image information; acquiring a tire reflection wave when the high-frequency sound wave penetrates through the tire body of the tire, and identifying internal structure defect information of the tire according to the tire reflection wave; acquiring an eddy current signal of the tire based on an electromagnetic induction technology, and identifying surface or near-surface defect information of a tire bead and a cord fabric layer of the tire according to the eddy current signal; and determining a defect detection result of the tire according to the surface defect information, the internal structure defect information and the surface or near-surface defect information of the tire bead and the cord fabric of the tire. Therefore, the method combines the visual detection result, the reflected wave recognition result and the logistics change recognition result to complete tire defect detection, and the detection comprehensiveness and accuracy are improved.

A pneumatic tire is disclosed. The disclosed pneumatic tire comprises a tread having a plurality of blocks partitioned by means of first to fourth main grooves which are formed in the circumferential direction of the tire and are spaced part from each other with respect to the width direction of the tire from the inner side to the outer side thereof, thereby making contact with a road surface, wherein the tread includes an inside shoulder block, an inside middle block, a center block, an outside middle block and an outside shoulder block, which are partitioned with respect to the width direction of the tread from the inner side to the outer side thereof, the inside middle block, the center block and the outside middle block have first kerfs recessed in the depth direction from the surfaces thereof, and the inside shoulder block and the outside shoulder block have second kerfs which are recessed in the depth direction from the surfaces thereof and which have dome kerf parts provided in the middle portions thereof, the dome kerf part including a convex protrusion that convexly protrudes from one wall surface and a concave groove which is recessed from the other wall surface opposite to the one wall surface and in which the convex protrusion is inserted and accommodated.

Described herein is a process for mounting a tire onto a wheel. The process comprises positioning the tire in respect to the wheel such that a first arc of the bottom bead extends between the wheel's top and bottom bead seats. Next, two fingers are placed in contact with the bottom bead at locations immediately adjacent to opposing ends of the first are of the bottom bead. The first finger rotates about the central axis in a rotational direction away from the first arc of the bottom bead while applying a force in a direction of the bottom bead to advance all of the bottom bead below the top bead seat. These steps are repeated with the top bead to advance all of the top bead below the top bead seat. During the process, the first finger and the second finger may not contact any portion of the wheel

The application discloses a light truck tire with a light-weighted bead structure and relates to the field of all-steel tires. The bead part comprises a tire body, a steel wire ring, lower triangular rubber, upper triangular rubber and wear-resistant rubber. The outer end point of the wear-resistant rubber is higher than the upper end point of the upper triangular rubber. The ratio of the height of the outer end point of the wear-resistant rubber to the height of the tire section is in the range of 0.23-0.53. The ratio of the height of the upper end point of the upper triangular rubber to the height of the tire section is in the range of 0.20-0.50. The outer end point of the wear-resistant rubber is higher than the upper end point of the upper triangular rubber, so that the thickness of the triangular rubber and the height of the triangular rubber are further reduced, the thickness of the bead is reduced, and stress concentration of the end points of the components of the bead part caused by the small difference level is avoided.

The invention relates to a vehicle pneumatic tire comprising a tread, a carcass (2) with a carcass ply (2a) with carcass reinforcement carriers and a coil bandage with a coil bandage reinforcement carrier, wherein each carcass ply (2a) runs between bead areas (4), wherein a bead core (5) is arranged in each bead area (4) and each carcass ply (2a) is folded over the bead cores (5) so that a carcass fold (2f) is formed. According to the invention, it is provided that - in the carcass (2) a carcass reinforcement carrier (2b) made of a metallic material runs, - the bead core (5) has a teardrop-shaped cross-section and no apex is arranged radially above the bead core (5) between the bead core (5) and the carcass layer (2a), - the carcass high-profile cut (2f) runs radially below the sidewall (3), and - the vehicle tire has a load index in the range of 71 to 126.

The invention provides a pneumatic tire and a method for manufacturing the same, wherein the tire thickness of a tire shoulder part can be sufficiently ensured and the durability and the puncture sealing property of the tire can be both realized through the structure of a tire body. In a pneumatic tire in which a carcass layer (4) has a structure in which a bead core (5) of a bead section (3) is wound up from the inside to the outside of the tire, the end (4e) of a wound-up section (4B) of the carcass layer (4) is disposed further toward the inside in the width direction of the tire than the end (7e) of a belt layer (7), and a sealant layer (20) is formed on the inner surface (10) of the tire at a tread section (1). The end portion (20e) of the sealant layer (20) in the tire width direction is located at the shoulder portion and is disposed further toward the outside in the tire width direction than the tip end (4e) of the wound-up portion (4B) of the carcass layer (4).

Existing giant engineering tire sidewall filling rubber is low in heat generation and modulus and prone to middle-stage damage in the using process, and tire beads of tires are swelled. In order to solve the problems, the invention provides the sidewall filling rubber with high modulus at definite elongation and low heat generation and the preparation method thereof, by using the novel non-standard carbon black, the carbon black dispersing agent and the sulfur carrier and sulfur combined vulcanization system, the 300% modulus at definite elongation of the sidewall filling rubber is obviously improved, and the heat generation is further reduced; meanwhile, the excellent fatigue aging resistance, the excellent vulcanization reversion resistance and the good heat aging resistance are kept, the problem that the tire bead position is large in deformation and high in heat generation due to the fact that the modulus of the tire side filling rubber is low is solved, the service life of the giant engineering tire is prolonged, and particularly the durability life of the tire bead of the all-steel giant radial engineering tire is prolonged.

The utility model belongs to the technical field of automobile parts, and particularly relates to a special wheel structure which comprises a rim, the rim comprises a tire bead seat and a rim flange, the tire bead seat comprises a tire bead left section, a tire bead middle section and a tire bead right section which are the same in diameter, the tire bead left section and the tire bead middle section are annular, and the tire bead right section is a hollow cylinder with the right side open. The left tire bead section, the middle tire bead section and the right tire bead section are coaxially, sequentially and fixedly connected, the wheel flanges comprise the first wheel flange and the second wheel flange, the left side of an outer ring of the left tire bead section is fixedly connected with the first wheel flange, a through hole is formed in the side wall of the middle tire bead section, the right side of an outer ring of the right tire bead section is fixedly connected with the second wheel flange, and first screw holes and second screw holes are evenly distributed in the right side face of the right tire bead section. According to the device, the processing difficulty is reduced; the rim is not easy to cause the conditions of flange wrinkles and cracks; the requirement of the welding procedure on the material performance of the raw materials of the product is not high; the problem that the surface cannot be sprayed is avoided, and corrosion of the rim caused by accumulated water can be avoided.

The invention relates to a vehicle pneumatic tire comprising two sidewalls connected to each other via a tread, and a tire carcass with bead areas arranged in the sidewalls, wherein the first and / or second bead area is additionally connected to a relative inner helix area (6) which anchors the tire carcass (3) by wrapping around a bead core (4) arranged on the corresponding bead area (5) and has a free carcass end (7), wherein the helix area is guided around the associated bead core such that the carcass end (7) terminates radially outside the bead core, and wherein a separate reinforcing element (13) is provided with two reinforcing sections (13a, 13b) folded towards each other at a fold (8), wherein the reinforcing element (13) is arranged either on a side of the tire carcass (3) facing the bead core or facing away from it, and wherein the free ends (15,16) the reinforcement sections (13a, 13b) are arranged radially inside the bead core in a region (9) and the folding is arranged radially outside the bead core.

The invention discloses a light truck type tire capable of improving durability performance, and relates to the technical field of tires, the light truck type tire specifically comprises a tread, a sidewall and a tire bead, a covering layer, a belted layer, a carcass ply and an airtight layer are sequentially laid on the inner side of the tread, and the layers are sequentially stacked from outside to inside to jointly form a main structure of the tire; a first L-shaped nylon wrapping cloth is arranged in a curved surface transition area of the sidewall and the tread, and a second L-shaped nylon wrapping cloth is arranged in a transition area of the sidewall and the tire bead; a framework material of the belted layer is a steel cord, and the steel cord is of a '1 + 5' structure and comprises a center wire and five outer layer wires evenly arranged on the outer layer of the center wire. The L-shaped nylon wrapping cloth is additionally arranged on the tire sidewall curved surface transition section and the tire bead part, so that the fitting stability of the tire bead and the rim is enhanced, the non-deformability of the tire bead is improved, and the contact surface of the rim and the tire bead is protected.

This invention relates to the technical field of tire production, and in particular to an integrated tire blank forming and unloading machine, including a shaping mechanism; it also includes two sets of flanging mechanisms and a feeding mechanism. The shaping mechanism is installed in the middle of the two sets of flanging mechanisms, and the feeding mechanism is installed below the shaping mechanism. The feeding mechanism conveys the tire blank material and the tire bead, the shaping mechanism shapes the tire blank, and the flanging mechanism combines the tire blank and the tire bead. The tire blank material is placed on the feeding mechanism, which then conveys it to the shaping mechanism. The tire blank material is wound around the shaping mechanism, and through rolling, multiple layers of tire blank material are combined together. The feeding mechanism then places the tire bead onto the rolled-up tire blank material. Finally, the shaping mechanism and the flanging mechanism work together to form the tire blank and combine it with the tire bead, thereby improving the practicality of the equipment.

The invention relates to a pneumatic vehicle tyre having a tread, a carcass (2) and a winding bandage with at least one winding bandage reinforcement, wherein the carcass (2) has a carcass ply (2a) with a carcass reinforcement (2b), and the carcass ply (2a) runs between bead regions via side walls (3). According to the invention, - in the carcass ply (2a), a carcass reinforcement (2b) made of a metallic material (mM) runs at a third angle (α3) which changes between the bead regions (4) in such a way that the carcass reinforcement (2b) runs radially below the tread (6) at a different third angle (α3) than in the bead regions (4) and / or in the region of the side walls (3); - the winding bandage reinforcement (8b) has an elongation at break (D) of between 2% and 6%; and - the pneumatic vehicle tyre (50) has a load index in the range of 71 to 126.

The utility model provides a tool structure for pasting rim mute cotton and a rim mute cotton pasting device, the tool structure comprises: a support; the guide wheel is rotationally mounted on the bracket, and the guide wheel is in rolling contact with a rim bead seat to be machined; the rolling wheel is rotationally installed on the support, and the rolling wheel and the guide wheel are arranged in parallel; the driving structure is connected with the support and drives the guide wheel and the rolling wheel to move in the direction close to or away from the rim to be machined. According to the device, silence cotton can be prevented from being attached obliquely, it can be guaranteed that rim silence cotton is attached to a designated area, the attaching effect of the rim silence cotton is guaranteed, and compared with traditional manual attaching, automatic attaching can be achieved, the pressure applied to the silence cotton can be kept stable, and the attaching effect of the rim silence cotton can be guaranteed; and pushing towards the direction close to the rim and recycling towards the direction away from the rim are achieved through the driving structure, and cotton pasting on the rims with different diameters is achieved.

Provided is a tire having improved durability during high-speed travel. A tire having a pair of bead sections each having a bead filler extending from a bead core to the outside in the tire radial direction, and a bead support layer disposed on the outside of the bead filler in the tire rotation axis direction, the bead support layer being composed of a rubber composition (B), the tire having an outer diameter (mm) of Dt and an outer diameter (mm) of Dt, the outer diameter (mm) of Dt being smaller than the outer diameter (mm) of Dt being smaller than the outer diameter (mm) of Dt, and the outer diameter (mm) of Dt being smaller than the outer diameter (mm) of Dt being smaller than the outer diameter (mm) of Dt. When the loss tangent of the rubber composition (B) at 70 DEG C is 70 DEG C tan [delta] (B), Dt and 70 DEG C tan [delta] (B) satisfy the following formulae: (1) 70 DEG C tan [delta] (B) * Dt < = 110.0; (2) Dt < = 600.

Described herein is a process for mounting a tire onto a wheel. The process comprises positioning the tire in respect to the wheel such that a first arc of the bottom bead extends between the wheel's top and bottom bead seats. Next, two fingers are placed in contact with the bottom bead at locations immediately adjacent to opposing ends of the first arc of the bottom bead. The first finger rotates about the central axis in a rotational direction away from the first arc of the bottom bead while applying a force in a direction of the bottom bead to advance all of the bottom bead below the top bead seat. These steps are repeated with the top bead to advance all of the top bead below the top bead seat. During the process, the first finger and the second finger may not contact any portion of the wheel.

The invention relates to a pneumatic vehicle tire having two sidewalls (5) terminating in a bead region (8), in which the bead region (8) is formed with a bead core (3), a carcass insert (4) extending around the bead core, and a rubber rim flap (7) forming the outer surface of the bead region (8), the rubber rim band (7) is arranged at least partially between the rim (1) and the bead core (3) in a position for using the vehicle pneumatic tire on the rim (1), the rubber rim band (7) being formed as a single piece from a rubber compound, and the rubber compound being arranged at least partially between the rim (1) and the bead core (3) in a position for using the vehicle pneumatic tire on the rim (1). The rubber compound has a loss factor (tan [delta]) of between 0.02 and 0.2 at 20 DEG C according to DIN 53512 and a Shore hardness in the range of 65 Sh-A to 80 Sh-A measured by means of a durometer at 20 DEG C according to DIN ISO 7619-1. The invention also relates to a wheel having such a pneumatic vehicle tire, and to the use of a rubber rim flap.

The present application relates to the technical field of rubber, in particular to a kind of giant engineering machinery tire anti-split body rubber composition and preparation method thereof. With 100 parts by weight of natural rubber component as benchmark, further comprising the following components: natural rubber 100 parts, carbon black 40-50 parts, zinc oxide 6-8 parts, cobalt salt 0.2-0.4 parts, antioxidant 2246 0.5-1 part, antioxidant S-TMQ 0.2-1.0 parts, N,N'-4,4'-diphenyl methane bismaleimide 0.5-1.5 parts, insoluble sulfur 8-12 parts, accelerator 0.3-0.7 parts, anti-scorching agent 0.05-0.15 parts. The present application solves the shortcomings of lower adhesive property of body rubber and insufficient anti-splitting ability of existing technology under harsh road conditions and hot and humid, steam, salt water environment, greatly reduces the occurrence probability of body delamination and bead bulging under hot and humid environment in Southeast Asia, improves the anti-splitting ability of body rubber, and ensures the service life of giant tire under high load operation.

Pneumatic tires (1), comprising: a tread section (2) extending in a circumferential direction of the tire and having a ring-shaped form, wherein the tread section (2) comprises a pair of central main grooves (30C) extending over a tire equator line (CL) in the direction of the tire circumference and a central bridge section (20C) defined by the pair of central main grooves (30C); a pair of sidewall sections (8) arranged on both sides of the running surface section (2); a pair of bead sections (10) each arranged on an inside sidewall section (2) in the tire radial direction; at least one carcass layer (13) extending between the pair of bead sections (10); and a plurality of belt layers (14) arranged on an outer side of the carcass layer (13) in the tire radial direction, wherein the carcass layer (13) comprises carcass cord threads formed from organic fiber cord threads obtained by interlacing a filament bundle of organic fibers, and helix sections (131) each formed by helixing the end sections of the carcass layer (13) at the pair of bead sections (10) towards an outer side in the tire width direction, wherein the carcass cord threads have an elongation at break EB that meets EB ≥ 15%, and wherein an average total thickness GC of the central rib section (20C) located within a range of 10% of the width of a second widest belt in the belt layer (14) on both a right and a left side of the tire equator line (CL) in the tire width direction, an average thickness SG of a sound-absorbing element (100) arranged inside the pneumatic tire (100) and located within an area identical to an area of ​​the central rib section (20C) in the tire width direction, and the elongation at break EB of the carcass cord threads 15 ≤ ( GC / ( GC + ( SG / 10 ) ) ) × EB ( % ) ≤ 25 fulfill.

A vehicle wheel service system, such as a wheel balancer, tire changer, or inflation cage configured with a supply of pressurized air to seat and inflate an uninflated tire mounted onto a rim of a wheel assembly, and to detect the occurrence of tire beads seating onto the wheel rim during the inflation process. The vehicle wheel service system includes a processor configured with software instructions to control a flow of pressurized air into the tire during an inflation process, and to receive input from one or more sensors responsive to the seating of the inner and outer tire beads. The processing system is further configured to utilize the received input to detect the occurrence of the tire bead seating, and to terminate the inflation process either immediately or upon reaching a selected inflation pressure.

A tire includes a pair of annular beads, a body ply extending between the pair of annular beads, and at least three steel belt layers disposed above the body ply and extending axially across a portion of the body ply. The tire further includes at least one reinforcement layer disposed above the at least three steel belt layers, a circumferential tread disposed above the at least one reinforcement layer and extending axially across the tire, and a pair of sidewalls extending between each of the pair of annular beads and a pair of shoulders associated with the circumferential tread.

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.

The utility model discloses a tire bead structure of an all-steel radial tire, which belongs to the field of tire structures and comprises a sidewall rubber area, a wear-resistant rubber area, a steel wire wrapping cloth area, a reinforced steel wire wrapping cloth area, an isolation rubber area, a tire body steel cord area, a steel wire ring area, a lower apex area, a lining layer area and an upper apex area. A layer of reinforced steel wire wrapping cloth is additionally arranged between the steel wire wrapping cloth area and the tire body steel cord area, and the height values of all end points of the steel wire wrapping cloth area, the reinforced steel wire wrapping cloth area, the tire body steel cord area, the upper apex area and the lower apex area are configured in a staggered difference level mode, so that the stress concentration problem of all component materials can be solved; wherein the end point of the inner side of the reinforced steel wire wrapping cloth area is located in the center of the bottom of the steel wire ring area, the purpose of reinforcing the tire bead can be achieved, stretching from the tire sidewall to the tire bead part can be reduced, and the risk that the tire sidewall cracks is reduced.

The invention relates to the technical field of tire structures, and discloses a high turn-up structure all-steel radial pneumatic tire for urban rail vehicles, which comprises a tire body and a tire bead, the tire body is sequentially provided with an inner layer cord fabric and an outer layer cord fabric to form a high turn-up structure; the outer-layer cord fabric is close to the tire bead to form a bent section AB, the curvature center of the bent section AB is far away from the inner-layer cord fabric, the bent section AB forms an arc upper end point A, an arc lower end point B and a bent vertex C, the height HA / H of the arc upper end point A is 0.24, the height HB / H of the arc lower end point B is 0.076, and the depth Tc of the bent vertex C and the height H of the section meet the condition that Tc / H is larger than or equal to 0.019 and smaller than or equal to 0.031. The bearing capacity of the tire is improved by arranging the high turn-up structure, the outer-layer cord fabric located on the tire bead is bent inwards, the depth of the bending vertex C is limited, and the position of the bending section AB relative to the tire bead is limited, so that the tire body is always in a tension bearing state; the steel wire cords forming the tire body are prevented from being separated from rubber and even being abraded and broken due to periodic compression and pull circulation, and the durability of the tire is improved.

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.

The invention relates to a pneumatic vehicle tire comprising a tread, a carcass with carcass plies having a carcass reinforcement, and a cap ply with a cap ply reinforcement (8b), wherein the carcass ply is turned up around bead cores so that a carcass turn-up is formed. According to the invention, - at least one carcass reinforcement made of a metal material extends in the carcass, - at least one cap ply reinforcement (8b) having an elongation at break of between 2% and 6% extends in the respective cap ply layer (8a) of the cap ply, wherein gaps (L) which each have a gap width (BL) are situated between at least some windings of the at least one cap ply reinforcement (8b) that are adjacent in the axial direction (aR), wherein the gap width (BL) of the respective gaps (L) is at least 0.5 times a cap ply reinforcement diameter of the at least one cap ply reinforcement (8b), and - the pneumatic vehicle tire has a load index in the range of 71 to 126.

The utility model provides a tire bead structure and a tire. The tire bead structure sequentially comprises a single rubber core, a first rubber core and a second rubber core from the inner layer to the outer layer, the tire body is wound on the outer side, the bottom and the inner side of the single rubber core; the molding rubber is adhered to the outer sides of the single rubber core and the tire body; the seam allowance wrapping cloth is wound on the outer side of the molding rubber and wound on the bottom and the inner side of the tire body; the nylon wrapping cloth is wound on the outer side of the molding rubber and is wound on the outer side, the bottom and the inner side of the seam allowance wrapping cloth; the sidewall type rubber is adhered to the outer sides of the type rubber and the nylon wrapping cloth; the lining layer is wound on the inner sides of the tire body and the seam allowance wrapping cloth, and is wound on the inner side and the bottom of the nylon wrapping cloth; the sidewall rubber is adhered to the outer sides of the molding rubber and the sidewall molding rubber; the wear-resistant rubber is wound on the outer side of the sidewall rubber, is wound on the outer side and / or the bottom of the nylon wrapping cloth, and is wound on the inner side and the bottom of the lining layer.