Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

4135results about "Tyres" patented technology

Post-inflation device and tire production equipment

The utility model belongs to the technical field of tire manufacturing, and discloses a post-inflation device and tire production equipment. The post-inflation device comprises a frame body, an upper cross beam mechanism, a lower cross beam mechanism, a lifting lead screw, a lead screw nut, a worm gear, a worm and a driving piece. Compared with a hydraulic transmission mode in the prior art, the transmission structure composed of the worm gear, the worm, the lead screw nut and the lifting lead screw has the advantages that stability and safety cannot be affected by oil leakage, pipe explosion and the like, so that the stability and safety of the post-inflation device are better, and the service life of the post-inflation device is prolonged. And potential safety hazards in the tire production process can be avoided. Comprising the post-inflation device is better in stability and safety, and then potential safety hazards in the tire production process can be avoided.
Owner:SINO ARP TIRES EQUIP TECH (SUZHOU) CO LTD +1

Cleaning device for tire mold pattern block

The invention relates to the technical field of mold cleaning, and discloses a tire mold pattern block cleaning device which comprises a conveying belt and further comprises a U-shaped frame, and the two vertical edges of the U-shaped frame are fixedly installed on the two sides of the top of the conveying belt correspondingly; the plurality of electromagnet plates are uniformly distributed on the surface of the conveying belt, and the electromagnet plates are used for placing tire mold pattern blocks; and the multiple mounting assemblies are mounted at the bottoms of the multiple electromagnet plates and on the conveying belt correspondingly, and the mounting assemblies are used for mounting the electromagnet plates on the conveying belt. The tire mold pattern block cleaning device can continuously perform transverse and longitudinal cleaning on tire mold pattern blocks, and the distances between a plurality of laser heads and the tire mold pattern blocks are the same during transverse or longitudinal cleaning, so that the cleaning effect is ensured, and the situation that the cleaning quality is uneven due to the fact that the distances between the laser heads and the pattern blocks are different during laser head cleaning is avoided; and the use effect of the equipment is improved.
Owner:MESNAC UNION TECH CO LTD

Material joint overlap amount detection system, method, device and equipment and medium

The embodiment of the invention relates to a system, a method, a device and equipment for detecting the overlap amount of a material joint, and a medium, which are used for improving the efficiency and the precision of detecting the overlap amount of the material joint. The system is applied to a tire building machine, a to-be-measured material is attached to a belt drum / building drum of the tire building machine, the system comprises a laser, a depth camera and a processing device, the laser is used for emitting laser and projecting the laser to the belt drum / building drum, and the projection direction of the laser is parallel to the axis direction of the belt drum / building drum; the depth camera is used for shooting a laser image on the belted drum / forming drum in the laminating process of the to-be-detected material and acquiring a depth image of the belted drum / forming drum in the laminating process of the to-be-detected material; the processing equipment is used for acquiring a depth image, acquired by the depth camera, of the belt drum / forming drum in the laminating process of the to-be-detected material; and determining the joint overlap amount of the to-be-measured material according to the obtained depth image.
Owner:MESNAC CO LTD +1

Tire vulcanization equipment

The invention relates to the technical field of tire vulcanization, in particular to tire vulcanization equipment which comprises supporting legs, a base, a lower mold and an upper mold. A base is installed on the supporting legs, a lower die is movably installed on the base, and an upper die is movably installed on the base. The die further comprises a fixed die, the fixed die is fixedly installed on the base, and the fixed die is located between the upper die and the lower die. The tire vulcanizing device solves the problems that in the existing tire vulcanizing process, steel wire curtains need to be positioned and tensioned on the two sides of a mold through fixers, so that tire vulcanizing equipment is large in occupied area, the tire vulcanizing time is long, and the cost of the tire vulcanizing equipment is increased; according to the tire vulcanizing device, the steel wire curtain can be positioned and tensioned without an additional fixer in the tire vulcanizing process, the occupied area of tire vulcanizing equipment is reduced, the tire vulcanizing time is shortened, and the cost of the tire vulcanizing equipment is reduced.
Owner:HANGZHOU YUNHE RUBBER PLASTIC & CHEM CO LTD

Locking and supporting structure of wheel binding device

The utility model provides a locking and supporting structure of a wheel binding device, and belongs to the technical field of logistics binding tools. The binding device solves the problem of how to enable the binding device to be reliable and convenient to use. The wheel binding device comprises a carrying table and a binding piece, a receding opening allowing the binding piece to penetrate is formed in the upper surface of the carrying table, the locking and supporting structure comprises a first locking block and a second locking block which are located below the receding opening, the first locking block and the second locking block are both in sliding connection with the carrying table in the horizontal direction, and a baffle is arranged in the receding opening. The baffle is located above the second locking block and can swing relative to the carrying table. The first locking block is driven by the driving piece, and under driving of the driving piece, the first locking block can slide towards the second locking block, so that the first locking block and the second locking block can drive the baffle to swing out of the receding opening while clamping the binding piece. By means of the design, shaking of the tire in the transferring process can be reduced, more effective and reliable locking force can be provided for the binding piece, and therefore the device has very good use reliability.
Owner:ZHEJIANG TOPSUN LOGISTIC CONTROL CO LTD +1

Post-inflation device and tire production equipment

The utility model belongs to the technical field of tire manufacturing, and discloses a post-inflation device and tire production equipment. The post-inflation device comprises a frame body, an upper cross beam mechanism, a lower cross beam mechanism, a lead screw, a driving nut, a driving assembly and a limiting assembly. Compared with a hydraulic transmission mode in the prior art, the transmission structure composed of the lead screw and the driving nut has the advantages that stability and safety cannot be affected by oil leakage, pipe explosion and the like, so that the stability and safety of the post-inflation device are better, and the post-inflation device is convenient to use. And potential safety hazards in the tire production process can be avoided. Comprising the post-inflation device is better in stability and safety, and then potential safety hazards in the tire production process can be avoided.
Owner:SINO ARP TIRES EQUIP TECH (SUZHOU) CO LTD +1

Sensor assemblies and systems for monitoring a dynamic object

Sensor assemblies and systems comprise a housing configured to accommodate an electrical sensor device therein, mechanically retain the same, and provide a protective surrounding thereto. The housing may include display indicia relating to some aspect of the sensor assembly. The electrical sensor device include electrical components useful for the purpose of monitoring and transmitting desired data relating to operating parameters / conditions of the dynamic article that the sensor assembly is attached with, e.g., a vehicle tire. The data is transmitted wirelessly from the electrical sensor device. The housing is removably attached with a retaining member that is also attached with the dynamic article. A receiver external from the dynamic article receives the data for the purpose of determine such operating parameter / or conditions, when the dynamic article is a vehicle tire, as tire tread depth, tire pressure, vehicle camber and toe alignment variations, and tire / vehicle location, which may be stored.
Owner:CEREBRUM SENSOR TECHNOLOGIES INC

Automatic laser texturing equipment for tire inner wall application layer

The invention discloses automatic laser texturing equipment for a tire inner wall application layer, and belongs to the technical field of laser cleaning. Comprising a machine tool body, a laser texturing assembly, conveying assemblies and a main controller, and the conveying assemblies are two roller type conveying belts which are located on the two sides of the machine tool body respectively; the laser texturing assembly comprises a laser component, a dust removal assembly, a rotary clamping assembly and an overturning discharging assembly, the laser component is combined and connected with the dust removal assembly, the overturning discharging assembly is used for receiving defective products and sending the defective products out of the machine tool body, and the machine tool body is provided with a material taking opening at the overturning discharging assembly; through cooperative work of all the assemblies, automatic laser texturing treatment of an application layer on the inner wall of the tire is achieved, all-round surface texturing is conducted on the designated area and the designated breadth of the inner wall of the tire, the roughness of an airtight layer of the inner wall of the tire is increased, and therefore the pasting capacity of mute cotton is enhanced; the scheme has the advantages of high texturing precision, high automation degree, convenience in recovery and the like, and the production quality and efficiency of tires can be effectively improved.
Owner:JIANGSU GUOYUAN LASER INTELLIGENT EQUIP MFG CO LTD +1

Winding device and winding method for tire steel wire

The invention discloses a winding device and method for a tire steel wire, and relates to the technical field of tire steel wire winding. Comprising a multi-station rotary steel wire winding machine, an adjustable magnetorheological damper tension control system, an intelligent guide wheel set, a main winding wheel, an integrated vibration isolation winding wheel seat, a 360-degree omnibearing monitoring frame, an intelligent winding cavity and a data processing and control center. The main winding wheel is arranged in a core working area of the multi-station rotary steel wire winding machine; an integrated vibration isolation winding wheel seat; the intelligent guide wheel set and the tension control system are arranged on the upstream of the main winding wheel; the 360-degree omnibearing monitoring frame and the intelligent winding cavity are arranged outside the main winding wheel in a surrounding manner; and the data processor is in data communication with the control center. According to the method, active closed-loop control is established through real-time multi-dimensional perception and predictive analysis, transformation from post-defect detection to pre-defect prevention is achieved, holographic quality data is generated, and the steel wire winding quality is comprehensively improved.
Owner:FUJIAN HAIAN RUBBER

Method and system for applying a sealing agent to the surface of an internal cavity of a pneumatic tire

A method and a system for applying a sealing agent to the inner surface (2) of a pneumatic tire (4) comprising a supply circuit (10) having a sealing agent collection device (11) comprising a tank (14); a sealing agent heating device (12); and a sealing agent supply device (13) implemented by means of a pumping device (17) that supplies the sealing agent to an applicator device (7), a piston (26), an extractor element (28) intended to withdraw the sealing agent and to supply it to the pumping device (17); a piston (26) position control device (30); and a level sensor (29) for detecting the quantity of sealing agent within the tank (14); wherein the passage of the control device (30) at the position of the level sensor (29) determines the beginning of depletion position of the tank (14) and a completely empty position of the tank (14) as a function whereof the extractor element (28) and heating element (12) are actuated.
Owner:BRIDGESTONE EURO NV SA

Tire production trimming apparatus

The application discloses a kind of tire production trimming equipment, it is related to rubber and plastic product manufacturing industry technical field, including base and tire, the tire is set in the top of base, the clamping device, trimming device and auxiliary device are set in the top of base, by placing tire in tripod and fixed plate, by L-shaped rod and tire inner wall contact clamping, by self-adapting clamping, various sizes of tires can be processed, without replacing special fixture, so as to improve the flexibility of production line and the versatility of equipment, after tire clamping is completed, by rotating motor cooperation driving shaft and tripod, the preparation of rotating trimming to tire is realized, by limiting the rotation of lead screw with limit knob and protrusion, prevent lead screw from being reversed after being touched by mistake, so as to make tire unstable and move, affect the operation efficiency of subsequent trimming.
Owner:SHANDONG LINGLONG TIRE CO LTD

Tire processing device, tire repair device, repair sheet, tire repair method, and tire manufacturing method

The present invention provides a tire processing device, a tire repair device, a repair sheet, a tire repair method, and a tire manufacturing method. The tire repair device (10) of the present invention comprises: a tire support portion (15) that rotatably supports a pneumatic tire (5); and an attachment mechanism (18) that causes a softening additive to adhere to a tread portion (5A) of the pneumatic tire (5) supported by the tire support portion (15) so that the additive permeates the tread portion (5A).
Owner:SUMITOMO RUBBER INDUSTRIES LTD

Method for producing airless tire by additive manufacturing

There is provided an additive manufacturing method intended for producing a carcass (24) of an airless tire (1), the additive manufacturing method employing an additive manufacturing machine (20) producing a plurality of layers of structural elements (25) of the carcass (24) in any XY plane perpendicular to the axis of rotation of the carcass (24) by depositing strips of fusible printing material, the tape portion of each structural element (25) has, in any XY plane, a portion that is inserted into the tape portion of each adjacent structural element (25).
Owner:MICHELIN & CO (CIE GEN DES ESTAB MICHELIN)

Intelligent solid tire forming production system

The invention discloses an intelligent solid tire forming production system which comprises a plurality of six-axis robots and a plurality of tablet presses capable of correspondingly pressing base rubber, middle rubber and tread rubber into corresponding thicknesses, and each six-axis robot is provided with a forming device used for taking and achieving rotary winding of a tire blank. A tire blank conveying and detecting device is arranged between every two adjacent six-axis robots and used for temporarily storing tire blanks, weighing the rubber winding weight of the previous working procedure and determining the joint position after rubber winding of the previous working procedure. The six-axis robot can drive the forming device to achieve winding of base rubber, middle rubber or tread rubber at the outlet end of the corresponding tablet press, the outlet end of each tablet press is provided with a width and length fixing device capable of determining the length and width of rubber wound on a tire blank according to needs, and full-automatic rubber winding of a solid tire can be effectively achieved. Therefore, manual participation in the production process is reduced, the production efficiency is improved, and meanwhile the rate of qualified products is increased.
Owner:GUIZHOU TIRE

Tire rubber material correction method

PCT designated stageWO2026052012A1TyresRubber materialMechanical engineering
The present application provides a tire rubber material correction method, which uses a tire rubber material correction device. The tire rubber material correction device comprises a conveying device and a first correction plate arranged at an angle relative to the rubber material conveying direction. The tire rubber material correction method comprises: the conveying device conveys a rubber material to the first correction plate, wherein a predetermined distance is formed between an end portion of the rubber material and the first correction plate; and the conveying device drives the end portion of the rubber material to move toward the first correction plate, so that a beveled edge at the end portion of the rubber material is stopped by and abuts against the first correction plate, and the position of the end portion of the rubber material is corrected under the stopping action of the first correction plate. The present application solves the problem in the prior art that the correction effect for the head and tail of a steel-cord rubber material is poor.
Owner:MESNAC CO LTD +1

Method for preparing heavy-duty tire with natural rubber modified by graphene / carbon blacks varying in particle size synergized with vulcanization system

A method for preparing a heavy-duty tire with a natural rubber (NR) modified by graphene / carbon blacks varying in particle size synergized with a vulcanization system is provided. Carbon blacks varying in particle size are subjected to surface modification to obtain an graphene oxide / carbon blacks varying in particle size aqueous dispersion. Subsequently, a graphene oxide / carbon blacks varying in particle size modified NR masterbatch is prepared using an aqueous-phase synergistic aggregating precipitating process. Finally, a natural rubber heavy-duty tire is prepared from graphene / carbon blacks varying in particle size synergistically vulcanized modified natural rubber through a molding process. Compounding of graphene with the carbon blacks varying in particle size is utilized to improve dispersion of reinforcing fillers within the rubber matrix. Adjustment of a ratio of a vulcanizing agent to an accelerator is utilized to regulate a cross-linked network structure of the rubber.
Owner:ZHONGBEI UNIV +1

Method for increasing sidewall turn-up height in all-steel radial tire forming process

The invention discloses a method for increasing the sidewall turn-up height in a building process of an all-steel radial tire, which comprises the following steps of: acquiring multi-source data such as temperature, pressure and angle in a turn-up process through an infrared temperature sensor, a pressure sensor and the like; and constructing a multiple linear regression model, a machine learning model and a hybrid model fused with the physical principle, analyzing the relationship between the process parameters and the anti-package height, and performing verification and optimization. According to model output parameters, a servo motor is used for accurately controlling the downward pressing angle and pressure of a reverse wrapping pressing roller, and production is executed in cooperation with an auxiliary supporting ring and a sectional type reverse wrapping technology; meanwhile, the turn-up height is detected in real time through an intelligent monitoring system, and parameters are automatically adjusted when the turn-up height does not reach the standard. According to the method, precise regulation and control of the tire sidewall turn-up height are achieved, compared with a traditional process, the product percent of pass is increased to 95% or above from 85%, the production efficiency is improved by 20%-30%, the tire structure stability is effectively enhanced, the rolling resistance and the tire burst risk are reduced, and intelligent upgrading of tire manufacturing is promoted.
Owner:SHANDONG LINGLONG TIRE CO LTD

Measurement of textile cord count for rubber sheet calendering

Calculating cord parameters of a textile reinforced rubber sheet moving in the machine direction includes: (a) illuminating an area on a side of the sheet with radiation; (b) obtaining a digital image of an illuminated area; (c) generating a digital image of the outer surface; and (d) calculating cord parameters. The elongated textile cords are preferably parallel to each other the elongated textile cords are orientated in a cross direction which is perpendicular to the machine direction. Scanning or static camera with a light source can be employed, wherein the light is directionally perpendicular to the plurality of cords. Cord count per unit length, cord spacing, the presence of missing cords, and / or the presence of shifted cords can be determined.
Owner:HONEYWELL INTERNATIONAL INC

Nitrogen heating system and tire vulcanization equipment

The utility model belongs to the technical field of tire vulcanization equipment, and discloses a nitrogen heating system and tire vulcanization equipment. The nitrogen heating system can inject heated nitrogen into a capsule of the tire vulcanization equipment, so that the capsule is expanded, and the tire blank is attached to a cavity of a mold of the tire vulcanization equipment. According to the nitrogen heating system provided by the utility model, the temperature and the pressure in the vulcanization process can be independently adjusted according to the rubber crosslinking dynamics requirement and the tire blank fitting pressure requirement respectively, and the risk of over-vulcanization or under-vulcanization caused by passive change of the temperature when the pressure is adjusted in the traditional process is avoided. In addition, the defects of energy loss and local low temperature caused by the fact that steam is in contact with the surface of a low-temperature mold and condensed into liquid water in a traditional process are overcome, so that the vulcanization uniformity can be improved, and the defective rate is reduced.
Owner:SINO ARP TIRES EQUIP TECH (SUZHOU) CO LTD

Tire vulcanizer center mechanism and tire vulcanizer

The utility model provides a tire vulcanizer center mechanism and a tire vulcanizer, the center mechanism comprises a mounting rack arranged in a vulcanizing chamber, a cylinder barrel is vertically arranged in the mounting rack, a center rod is arranged in the cylinder barrel, and an upper mounting plate is fixedly mounted at the bottom of the cylinder barrel; one end, extending out of the cylinder body, of a piston rod of the upper ring oil cylinder upwards penetrates through the upper mounting plate and is fixedly connected with the bottom end of a center rod in the cylinder barrel; pull rods are symmetrically arranged on the two sides, located on the cylinder barrel, of the mounting rack, lower mounting plates are fixedly connected to the bottom ends of the pull rods on the two sides, and the ends, extending out of cylinder bodies, of piston rods of the two lower ring oil cylinders upwards penetrate through the lower mounting plates and are fixedly connected with the upper mounting plates; a lower ring seat is fixedly mounted at the top of the cylinder barrel; a clamping ring is fixedly mounted at the top end of the center rod; and a guide sleeve is sleeved outside the cylinder barrel. Compared with an existing structure, the diameter of the oil cylinder can be reduced in a matched mode, so that cost needed by the oil cylinder can be saved, the structure is more compact, occupied space is reduced, and stability and centering performance of the lifting device in the lifting process can be improved.
Owner:GUANGZHOU GUANGZHONG ENTERPRISE GRP CORP

An improved process for the reconstruction of tyres

PCT designated stageWO2025172873A1TyresVulcanizationHigh pressure water
Process for the retreading of tyres (1), in particular of tyres having the corresponding tread (2) which is worn following their use, and wherein said process comprises: - a step of high pressure waterjet application on the external surface (2') of the worn tread (2) of the tyre (1) to be retreaded to thus generate an underlying adhesion surface (6) which is devulcanized, - a step of applying a new layer (4) of a rubber-based compound on the devulcanized adhesion surface (6), - a vulcanization step of the tyre, with the new layer already applied (4).
Owner:ROVER RES SRL

Powered tool for repairing tire

A powered tool for repairing a tire includes an electric power unit, a control unit, a trigger unit, and a speed switching unit. The electric power unit includes a driven shaft adapted to output kinetic energy and a motor driving the driven shaft to rotate. The control unit includes an actuating switch operable to output an actuated signal associated with a movement distance of an actuator and a processing module configured to control rotation of the rotating member at one of first and second rotational speeds according to the actuated signal. The speed switching unit is operable to move between first and second rotational speed positions such that the actuator travels first or second distances as being pushed by the trigger unit.
Owner:BASSO IND CORP

A tire mold insert assembly structure and its application method

The present invention relates to the technical field of molds, and provides a tire mold insert assembly structure and an application method thereof, which include a shaping frame, an insert and a tightening member. Among them, the shaping frame is composed of a plurality of single frames arranged in a circular array, and each single frame is provided with an installation hole; the insert is inserted into the installation hole, one end of the insert abuts against the inner wall of the shaping frame, the other end extends to the outside of the shaping frame, and a limiting portion is provided; the tightening member is located outside the shaping frame, the tightening member is in a ring structure, and the tightening member is used to apply a force away from the center of the shaping frame to the limiting portion, so that the insert and the shaping frame are relatively fixed. By arranging a plurality of single frames to form the shaping frame and providing installation holes in the single frames, the installation of the insert can be realized. By replacing the inserts with different patterns, different models of tires can be produced by this mold without resetting the whole set of molds, which effectively reduces the mold opening cost while meeting the requirements of product replacement.
Owner:山东力创模具股份有限公司

Cord fabric cutting device for tire processing

The utility model discloses a cord fabric cutting device for tire processing. The cord fabric cutting device comprises a supporting frame, a cutting assembly and a cutting conveying belt. A top connecting cross beam of the supporting frame is rotationally connected with a cutting assembly through a first rotating shaft, a cutting conveying belt is arranged below the cutting assembly, and cutting supporting plates are arranged at the left end and the right end of the cutting conveying belt; the cutting assembly comprises a fixing frame, a top plate of the fixing frame is fixedly connected with the first rotating shaft, a first air cylinder is arranged on the upper surface of a bottom plate of the fixing frame, the piston end of the first air cylinder is connected with a lifting frame, a cutting motor is fixedly arranged outside the left side of the lifting frame, and an output shaft of the cutting motor is fixedly connected with a cutting lead screw in the lifting frame. The cutting lead screw is sleeved with a cutting sliding block, and a cutting knife is arranged at the bottom of the cutting sliding block. A deceleration swing motor is arranged on the top of the supporting frame, and an output shaft of the deceleration swing motor is rotationally connected with the top of the fixing frame through a second rotating shaft. The angle of the cutting assembly can be accurately adjusted, curtain cloth can be rapidly cut, and the good cutting effect is guaranteed.
Owner:QINGDAO GOLDEN MOLD IND CO LTD

RIB central mechanism and tire vulcanizing machine

The invention discloses an RIB central mechanism and a tire vulcanizing machine, and belongs to the technical field of tire vulcanizing equipment. The ring seat is provided with a center hole; the capsule clamping cylinder and the ring seat form a lower clamping edge clamping cavity; the outer wall surface is provided with external threads, and the inner wall surface is provided with an inner gear ring; the ring seat guide sleeve is sleeved outside the capsule clamping cylinder, and the inner wall surface of the ring seat guide sleeve is provided with internal threads; the transmission gear column is meshed with the inner gear ring and is connected with a first driving assembly; the center rod penetrates through the center hole, and the upper end of the center rod is provided with an upper chuck and an auxiliary steel ring and connected with a second driving assembly. The connecting seat is fixedly connected with the ring seat through the cylinder barrel; a third driving assembly is arranged between the connecting seat and the ring seat guide sleeve; the transmission gear column drives the ring seat guide sleeve to rotate, and under the action of the external thread and the internal thread, the ring seat guide sleeve ascends and descends to adjust the height of the capsule; the center rod ascends and descends to stretch and compress the capsule; the ring seat ascends and descends to loosen and clamp the lower clamping edge of the capsule; the capsule is stretched and does not need to be bent repeatedly, so that the service life is prolonged.
Owner:HIMILE MECHANICAL SCI & TECH (SHANDONG) CO LTD +1

Method for producing a vehicle tire

PendingDE102024201114A1TyresTyre tread bands/patterns
The invention relates to a method for producing a vehicle tire, comprising the steps of providing an unprofiled green tire (1) and applying a tire profile (11) to the circumference by means of a laser (2), wherein the laser (2) is arranged in a stationary manner and is guided within a working area (21) in accordance with a section of the tire profile (11) in order to remove material from the green tire (1), wherein the entire circumference of the green tire (1) is divided into adjacent working areas (10) that can be covered by the working area (21), and all working areas (10) of the tire circumference are successively positioned in the working area (21) of the laser (2) and processed by the laser to remove material, wherein the processing of all working areas (10) of the tire circumference is repeated until the desired profile depth of the tire profile (11) is achieved in all working areas (10).wherein after each complete machining of all working fields (10) of the tire circumference, each working field (10) is displaced relative to the previously determined position by a predetermined amount and a predetermined direction and then the machining of the working fields (10) is carried out again.
Owner:CONTINENTAL REIFEN DEUTSCHLAND GMBH

Tire

The present invention provides a tire which has a higher black density than conventional tires and which can achieve a higher contrast ratio. A tire (1) is provided with a pattern region (7) in at least a portion of the outer surface of a sidewall (3), the pattern region (7) being provided so as to be visible as a different portion from the periphery of the portion, the pattern region (7) being provided with a plurality of protrusions (110) protruding from a reference surface (7a), the protrusions (110) comprising: a recess (111) having an inverted conical or inverted pyramidal inner surface; an outer edge section (113) that surrounds the periphery of the recessed section (111); and a tapered main body section (112) connected to the reference surface (7a) from the outer edge section (113), the depth of the recessed section (111) being greater than the protruding height of the protrusion (110).
Owner:TOYO TIRE CORP

Positioning device for fixing tire blank

The utility model relates to a positioning device for fixing a tire blank in the technical field of manipulator positioning. The positioning device comprises a clamping jaw unit, a radial telescopic mechanism, a driving unit and a fixing mechanism, the radial telescopic mechanism comprises four sets of sliding block-connecting rod assemblies symmetrically arranged along the circumference at 90 degrees, one ends of connecting rods are hinged to sliding blocks, and the other ends of the connecting rods are hinged to a rotary connecting base. The clamping jaw unit comprises four sets of clamping jaws symmetrically arranged along the circumference, and the clamping jaws are connected with the sliding blocks through clamping jaw fixing discs. The driving unit comprises two air cylinders, and the output ends of the air cylinders drive the four connecting rods to move synchronously through air cylinder connectors. One end of the fixing mechanism is fixedly connected with the clamping jaw fixing disc, and the other end is connected with the mechanical arm; the device is suitable for grabbing and conveying tire blanks, and has the advantages of being accurate in positioning and higher in automation.
Owner:JIANGSU SHUANGMA INTELLIGENT TECH CO LTD