122 results about "Tire bead" patented technology

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.

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 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.

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.

The tire (1) of the present invention comprises a pair of bead cores (11, 11), a carcass layer (13) mounted on the bead cores (11, 11), and a belt layer (14) disposed radially outward of the carcass layer (13). Furthermore, the tire outer diameter OD [mm] is in the range of 200 ≤ OD ≤ 660, and the tire total width SW [mm] is in the range of 100 ≤ SW ≤ 400. Furthermore, the belt layer (14) has a pair of cross belts (141, 142) composed of a wide cross belt (141) and a narrow cross belt. Furthermore, the distance Tce [mm] from the tread profile on the tire equatorial plane CL to the outer peripheral surface of the wide cross belt (141) has a relationship of 0.008 ≤ Tce / OD ≤ 0.130 relative to the tire outer diameter OD [mm].

The invention relates to a tire (100) comprising a crown (110), of which a most radially inner working layer (114) is corrugated, sidewalls (120A, 120B), bead ribs (130A, 130B), a toroidal inflation cavity (150), and a stiffening structure (160) including at least one stiffening element (160A), which extends continuously in the toroidal cavity from a sidewall and / or bead to the crown, which includes a penetration point (163A), in which the stiffening element penetrates the crown to anchor itself therein, and an anchoring section (166A), entirely arranged in the crown and extending axially so as to be entirely disposed radially above an anchoring corrugation (114.2) among the corrugations of the corrugated working layer.The anchor section is radially convex outwards, forming a summit portion which is arranged radially outside the rest of the anchor section, and axially on either side of which the anchor section extends axially in a curved manner. Figure for the abbreviation: Figure 1.

The utility model relates to a tire technical field especially having a noise reduction function's all steel radial tire, including the carcass ply, the outer wall edge of carcass ply is provided with the bead wire, the connecting portion of carcass ply and bead wire is provided with the triangle gum, the inside of carcass ply is provided with the reinforced meridian, the outer wall suture of reinforced meridian has the connecting fiber, the inner wall of carcass ply has the airtight layer, the outer wall of carcass ply has the belt layer. The utility model is provided with two groups of staggered distribution's sipe pattern, and the asymmetric sipe pattern can reduce the noise when tire rolls, realizes the noise reduction operation of tire, through setting up sipe pattern and pattern groove perpendicular, it is convenient for the water to be discharged fast, improves the drainage performance of tire, through setting up six groups of connecting fiber, it is favorable to improve the connecting strength of reinforced meridian, avoids the deflection of reinforced meridian.

The present disclosure provides an online visual automatic detection device and method for bead joint, and relates to the field of tire component production equipment. The specific steps are as follows: moving a laser sensor system to a detection position through a lifting assembly; driving a tire bead rotating assembly to rotate a tire bead to be detected; collecting tire bead profile data according to the laser sensor system; generating a tire profile graph according to the tire bead profile data; and analyzing the tire profile graph to generate a tire bead quality detection result. The present disclosure analyzes the scanned profile data to detect whether there are adverse conditions such as misalignment, cracking, excessive overlap, and insufficient overlap in sequence, and obtains a tire bead quality detection result, so that tire bead quality problems can be found in time, and the production efficiency is improved.

The present application relates to the technical field of tire overall preparation, and proposes a variable stiffness tire and a tire overall preparation device, which can adapt to various driving conditions and realize the collaborative optimization of comfort and control performance, and the structure can effectively disperse flexural stress, and is not prone to heat accumulation, bulging and cracking, thereby significantly improving high-speed durability and load capacity, and the matching tire overall preparation device can adapt to the molding process of the tire body, effectively improve tire production efficiency and manufacturing precision, and comprises a tire body and a triangular rubber ring, wherein the tire body comprises a tread, a sidewall and an inner tire ring, the sidewall is divided into a shoulder section, a sidewall middle section and a bead section in the radial direction, the stiffness of the bead section, the shoulder section and the sidewall middle section decreases in turn, the sidewall middle section is a main flexible deformation area, the shoulder section provides lateral restraint, the bead section provides high stiffness support, the tread is fixedly connected with the shoulder section, and the inner tire ring is fixedly connected with the triangular rubber ring.

In this invention, a device has been designed to accurately measure the circumference and weight of a radial tire bead. The goal of this innovation is to increase the accuracy, speed, and efficiency of the quality control process for tires produced in the country's tire manufacturing industry. The main problem with traditional methods, which are performed using templates and traditional scales, is low accuracy, operator dependency, and high error rates. The device is designed using digital image processing technology, which includes a Raspberry Pi camera and the SimpleBlobDetector algorithm in the OpenCV library, to calculate the diameter of the bead with an error of less than 1%. Also, using four load cell sensors equipped with the HX711 module, the weight of the bead is measured with high accuracy (error of 0.35% to 3.18%). The data is processed by the Raspberry Pi minicomputer and the results are displayed instantly on the LCD touch screen. This integrated system increases production efficiency by automating the measurement process and using cost-effective components, making it ideal for tire production lines and quality control laboratories.

This utility model belongs to the field of tire processing technology, specifically relating to a high-saturation buoyancy agricultural tire. It includes a bead, sidewall, and crown. The crown consists of tread blocks and tread grooves. The tread blocks are composed of symmetrical patterns of varying areas, with a tread saturation of 50%-52%; the tread depth is 15mm-28mm; the tread groove angle is 16°-20°, and the groove bottom curvature is 3mm-6mm; the longitudinal arc Rc of the tread blocks is 16mm-30mm, the transverse arc Rd=Rc-2mm, and the connecting reverse arc Re is 90mm-130mm. This utility model increases the contact area through high saturation, reducing ground pressure and allowing the tire to "float" on the ground, minimizing damage to grasslands. Combined with shallow depth, symmetrical distribution, and optimized groove design, it improves traction, self-cleaning properties, and wear and puncture resistance, making it suitable for agricultural operations such as lawns and grasslands where surface protection is required.

A carrier (1) for temporarily storing a tire (2) to be vulcanized, wherein the tire (2) is selected from a group of different sized tires (2), each tire comprising at least a bead (2A), side walls (2B), and tread (2C) The carrier (1) comprises a body (100). The carrier further comprises a plurality of receiving members (110A, 110B, 110C) at the body (100), wherein the receiving member (110A, 110B, 110C) is configured to receive the tire (2) selected from the group of different sized tires (2). The carrier further comprises an open middle space (120) at the body (100) allowing accommodation for the bead (2A) of the tire (2) selected from the group of different sized tires (2), the plurality of the receiving members (110A, 110B, 110C) being arranged around the opened middle space (120).

The application relates to a high-strength tempered bead wire production device for radial tires, which comprises a water tank, the top of the water tank is open, clean water, a heater and a water removal mechanism are arranged in the water tank, and the heater and the water removal mechanism are arranged left and right; the water removal mechanism comprises a fixed pipe, the fixed pipe is located above the clean water, the fixed pipe is parallel to the front and back directions, the rear end of the fixed pipe is sealingly and fixedly arranged on the inner wall of the rear side of the water tank, a rotating roller is coaxially arranged in the fixed pipe, and the two ends of the rotating roller are rotationally connected with the fixed pipe; rotating shafts are coaxially and fixedly arranged at the two ends of the rotating roller, first bearings are arranged on the two rotating shafts, and the outer rings of the first bearings are fixedly connected with the fixed pipe; a fan blade is arranged on the rotating shaft located at the front side of the rotating roller and located in the fixed pipe. The water removal mechanism can remove the water on the steel wire, so that the water droplets on the steel wire can be avoided, and water resources can be saved.

The present application relates to the technical field of packaging equipment, in particular to a kind of automobile bead wire packaging mechanism, including the cylindrical film for packaging wire coil, the lifting structure for providing lifting support for wire coil and the side pressure structure for packaging the cylindrical film on wire coil;The side pressure structure is made of several side pressure groups, and several side pressure groups are annularly distributed on horizontal plane, and the side pressure group is made of two variable units oppositely distributed in vertical direction;By adopting the mode that cylindrical film is directly set on the outside of wire coil and is folded towards wire coil direction by several side pressure groups, cylindrical film can be directly wrapped on the outer ring, end face and inner ring of wire coil, to realize the rapid, comprehensive packaging of wire coil, effectively simplify the packaging mode, improve work efficiency, and since the structure mode and operation mode are relatively simple, the cost input is relatively low, and the maintenance difficulty is relatively small.

The utility model discloses a two-piece type tubeless self-sealing wheel, characterized in that: including tubeless pneumatic tire body, with the hub of tire body adaptation connection, set up at tire body and the hub one side junction place's bead seat and the pneumatic rod of penetrating the hub, tire body's bead part integral moulding has a plurality of with the ring -like distribution of bead seat and the sealed connection of hub O -ring, the utility model discloses the setting of annular O -ring, O -ring and the hook portion of bead seat, the fixed part sealed surface of hub close adhesion, utilize the elastic deformation of O -ring to fill the gap, form sealed structure, simultaneously hook portion both sides edge resist O -ring circumference, force O -ring to produce radial elastic deformation, further enhance sealed density, effectively prevent tire body air leakage, satisfy the self -sealing demand of tubeless wheel, guarantee the pressure stability of wheel internal air cavity, improved the driving safety and stability, reduced the manufacturing and maintenance cost of inner tube, with good economic benefits.

A pneumatic tire configured to ensure sealing properties in a low-temperature environment is provided. The pneumatic tire includes a tread section (1) extending in the tire's circumferential direction and having a ring shape; a pair of sidewall sections (2) arranged on both sides of the tread section (1); and a pair of bead sections (4) arranged on an inner side of the sidewall sections (2) in the tire's radial direction. A sealant layer (20) is formed on an inner surface of the tire within the tread section (1), and the glass transition temperature of a sealant forming the sealant layer (20) is equal to or lower than the glass transition temperature of a tread compound forming the tread section (1).

The utility model relates to the field of tire, concretely is a kind of all-steel radial tire with heat dissipation function, including the tire body for supporting, the inside installation of tire body is bead ring, the inside installation of tire body near bead ring is steel cord layer, the end of steel cord layer is connected with steel belt layer, bead ring, steel cord layer and steel belt layer are used to strengthen the structural strength of tire body;The heat dissipation mechanism includes the annular groove for installing copper wire band ring on the shoulder of tire body both sides, the inner wall of annular groove is connected with the copper wire band ring for heat conduction.The utility model passes through copper wire weaving and copper wire band ring and transmits the temperature of tire body to outside, utilizes the wind generated by vehicle walking and cools tire body;By lock and scale layer, sharp object is blocked, prevent tire body from being punctured by sharp object.

The present invention provides a pneumatic tire with improved sound deadening effect. The invention is a pneumatic tire (1) comprising a bead core (5), a carcass layer (6), a belt layer (7), a tread rubber (2G), an inner liner rubber layer (10), a porous sound deadener (20) disposed on the inner liner rubber layer (10) on the tire cavity side. In the normal state, the tire axial length (W1) of the sound deadener (20) is less than the tire radial distance (H) from the bead base line to the position of the maximum width in the inner cavity surface of the sidewall portion 3, and the tread portion (2) in the region of the tire axis where the sound deadener (20) is provided comprises: a plurality of rubber layers (30) stacked in the tire radial direction with a thickness of the inner liner rubber layer (10) or more without including cords. The hardness of each rubber layer (30) is smaller the closer it is to the inner side of the tire radial direction.

An apparatus for fitting and removing a tyre to and from a corresponding rim of a wheel for a vehicle, includes a wheel-holder unit rotating about a first axis which is vertically oriented, a column, having a vertical guide, a carriage, coupled to the vertical guide to slide vertically, an arm connected to the carriage; the apparatus also includes an operating head, pivotally connected to the arm, to rotate around a second axis, transversal to the first axis, and provided with a plurality of tools; each tool is operatively inserted between a bead of the tyre and an annular edge of the rim in a working position; the tools are alternatively selectable by rotating the operating head in respective operating configurations in which the tools are positioned in the working position; the arm is movably connected to the carriage so that it can be moved between an active position, wherein the arm is oriented towards the first axis, and an inactive position, spaced from the active position away from the first axis.

A tire structure with continuous carcass cords and belt cords, as well as a manufacturing method thereof. The tire structure includes a multi-layer carcass structure with continuous cords and a multi-layer belt structure with continuous cords, where the multi-layer carcass structure with continuous cords is internally coated with a bead wire, an apex layer, and a bead ring wrapper layer. The multi-layer belt structure with continuous cords is attached to the outer side of the multi-layer carcass structure. The present invention can effectively solve breakpoints of a carcass ply layer and a belt ply layer of the traditional tire, so that the stress distribution in the carcass cords and the belt cords is more uniform than existing tire structures. The deformation of the tire at radial and circumferential directions can be significantly reduced.

This invention provides a double steel wire wrapped bead and its processing method, as well as an all-steel radial tire, relating to the technical field of tire structure. It includes a first steel wire wrapped bead adhered to the outer side of the carcass ply, the inner side of which is lower than the reverse end of the carcass ply, and the outer side of which is higher than the reverse end of the carcass ply and inwardly adhered with a rubber sheet. The outer side of the first steel wire wrapped bead is covered with wear-resistant rubber. A second steel wire wrapped bead is adhered between the carcass ply and the tire's inner liner, the upper end of which is higher than the inner and outer end points of the first steel wire wrapped bead. This invention solves the technical problems of insufficient internal support in single-layer steel wire wrapped beads and cracking at the inner end points of double-layer parallel steel wire wrapped beads in the prior art, achieving the technical effects of increasing bead durability and reducing tire failure rate.

In one aspect, the present invention relates to a tire comprising a conductive rubber composition strip having an end i) axially located between adjacent axially outer surfaces of a first sidewall and a tread base layer, and ii) located radially below the tread crown layer, wherein the strip extends along the sidewall from said end at least to a conductive bead wrap. In another aspect, the tire further comprises a second conductive rubber composition layer having an edge adjacent to an axially outer end region of a belt layer portion and extending along a radially inner surface of the tread portion to the first conductive rubber composition layer. In a third aspect, the tire comprises a conductive circumferential annular portion extending through shoulder tread strips and / or tread block rows, and / or adjacent tread strips or tread block rows, and the annular portion contacts the conductive rubber composition layer.

The invention relates to a tire (1) having a radial carcass reinforcement (2) composed of at least one metal reinforcing element ply, said tire comprising a crown reinforcement (5) which is in turn covered radially by a tread (6) joined to two beads (3) via two sidewalls. According to the invention, the reinforcing elements of at least one ply of the carcass reinforcement are metal cords (21) having an average flow rate between 1 cm 3 / min and 7 cm 3 / min in the so-called air permeability test, and a maximum flow rate difference between two average flow rate measurements from a sampling zone of reinforcing elements distributed over the length of said reinforcing elements of less than 5 cm 3 / min according to the air permeability test carried out according to standard ASTM D2692-98.

We provide a tire that improves durability by suppressing rearward displacement. [Solution] The tire 1 includes a bead portion 2 fixed to a rim 20. The tire 1 includes a bead core 9 and a carcass 6 having a down ply 8 containing an organic fiber cord and a turn-up ply 7. The rim-mounting rubber 17, which is positioned outward in the tire axial direction from the down ply 8, is provided with a reinforcing layer 10 that extends from the inside in the tire radial direction to the outside in the tire radial direction, straddling the rim separation point P0 where contact between the tire 1 and the rim 20 ends, and has higher rigidity than the rim-mounting rubber 17.

The utility model relates to a kind of low rolling resistance tire structure, belong to tire manufacturing technical field, including tread, the both sides of the tread are fixedly connected with sidewall, the tread and sidewall form carcass, the inner wall of the sidewall is fixedly connected with bead, the outer surface of the tread is equipped with pattern groove. Significantly reduce rolling resistance: through laboratory test and actual road driving test verification, compared with traditional full steel tire, the rolling resistance coefficient of full steel tire using the patent technology can be reduced by 12%, which means that the resistance to be overcome by vehicle during driving process is greatly reduced, can effectively reduce fuel consumption, for long-distance transport vehicles etc., energy-saving effect is particularly remarkable, improve fuel economy: due to the reduction of rolling resistance, fuel consumption of vehicle under the same driving condition can be reduced by 7%, reduce operating cost, also meet the current energy-saving and emission-reducing environmental protection requirements, reduce tail gas emission, with good social benefits.