Mixing Equipment for Tire Production

Upper mixing auxiliary machine for rubber tire production that has an internal mixing chamber for stirring and mixing rubber. The upper end of the chamber has a feed port to add materials. An internal stirring mechanism mixes the rubber. A motor outside the chamber drives the stirrer. The lower end has a discharge pipe with a holding box. This upper mixing auxiliary machine for rubber tire production allows efficient internal mixing of rubber in a dedicated chamber before further processing.

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A closed rubber mixing machine for tire production that reduces pollution compared to open mixers. It has a sealed mixing chamber around the rotor to enclose the mixing process and prevent toxic gases from escaping. The chamber is attached to a frame that connects to the base and rotor via bearings. This allows the chamber to rotate with the mixer while being sealed. The machine also has a motor, reducer, and coupling to drive the mixer.

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Raw material mixing device for tire production that allows full mixing and stirring of materials without material accumulation at the bottom. The device has a rotating barrel with a closing plate and a sliding sealing plate. The closing plate can seal the barrel to contain the materials. The sliding sealing plate can move along the barrel to close the feeding and discharge ports. When the materials are mixed, the barrel rotates and the materials swing out the top. The sealing plate moves to prevent material buildup at the bottom. This allows full mixing without obstruction. The device has features like snap-fit components, springs, and hooks to enable easy sealing and unsealing operations.

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Mixing device for aviation tire production that provides optimal mixing of tire rubber compounds to improve tire quality. The device has a U-shaped fixed frame, a mixing assembly with a rotating rod and spiral stirring blades driven by a motor, and a direction changer with bevel gears to rotate the mixing assembly. This allows 360 degree mixing without dead zones. A removable top cover, feed pipe, and handle complete the device.

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A method for producing rubber mixtures using tandem mixers with optimized blade speeds to improve dispersion and homogeneity. The key steps are: 1. Mixing the rubber in the first mixer with higher blade speeds. 2. Transferring the mixed rubber to the second mixer with lower blade speeds. 3. Finishing mixing the rubber in the second mixer. The ratio of blade field speeds in the first and second mixers should be in the range of 100:1 to 1:2. This allows achieving better dispersion and homogeneity in the finished rubber compared to using the same blade speeds in both mixers.

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Mixing and internal mixing device for tire rubber compound formula that improves mixing quality, adaptability, and adjustability compared to existing internal mixers. The device has a horizontally arranged assembly base with a stirring mixing assembly and an internal mixing and pressing assembly. The stirring assembly has a mixing drum that rotates between vertical support plates. The pressing assembly has telescopic adjustment to change the distance between high-temperature compression spokes and spiral feeding spokes. This allows customization of mixing and pressing conditions for different rubber compounds. The telescopic adjustment also syncs the pushing plate position inside the mixing box. The mixing drum and feeding spokes rotate to transport and mix the rubber. The adjustable assembly enables optimized mixing and pressing for different rubber compounds compared to fixed internal mixers.

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A high-performance rubber tire mixing device that provides improved mixing of rubber compound ingredients to make better tires. The device uses a unique rotating mechanism with multiple rollers and a fan inside a rotating tank. This allows simultaneous rotation of the tank, fan, and rollers in opposite directions to thoroughly mix the rubber ingredients. The fan pushes the materials against the tank wall and the rollers rotate the frame around a circular track. This forces the ingredients to move and mix as they are fed into the tank. The tank rotation direction is opposite the fan to avoid segregation. After mixing, the tank can be tilted to discharge the mixed rubber.

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A mixing process for rubber compounds used in tire production that reduces heat generation during mixing of silica-filled rubber compounds compared to conventional mixing methods. The process uses a three-stage mixing sequence in internal mixers, all at temperatures below 150°C. This allows better dispersion of silica without agglomeration and reduces heat generation compared to longer, multi-stage mixing. The lower temperatures also prevent excessive rubber degradation. The three-stage process involves mixing raw materials, then adding silica and dispersing it, followed by final mixing. This controlled constant temperature mixing sequence improves dispersion of silica and reduces heat generation during mixing of silica-filled rubber compounds for tires.

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Automatic stirring device for producing tire vulcanization bladders that allows uniform mixing of liquid and solid materials. The device has an agitator body with a central shaft, a diversion assembly for feeding liquid, a solid delivery pipeline, an agitation assembly, and a mixed material output pipeline. The liquid diversion assembly allows feeding liquid into the agitator body without direct addition, preventing concentration issues. The solid delivery pipeline feeds solids into the agitator body. The agitation assembly with blades stirs the mixed materials. This enables separate feeding and uniform mixing of the liquids and solids.

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Raw material mixing device for rubber tire production that improves mixing efficiency of large particle size raw materials. The device has a mixing box, feeding housings, drive housing, stirring mechanism, mixing cylinder, delivery rod, and crushing mechanism. The stirring blades in the mixing box mix the raw materials. The delivery rod with a spiral blade connects the mixing cylinders. The feeding housings have crushing mechanisms to pulverize large particles before feeding into the mixing box. This pre-crushing step helps break down larger particles for better mixing.

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Preparation device and method for self-repairing tire rubber that allows efficient mixing of high liquid content formulations without issues like slippage or inability to discharge from traditional mixers. The device uses a combination of single-screw and twin-screw extruders with optimized screw configurations and temperature control to achieve homogenous mixing of high liquid rubber compounds. The method involves preheating the solid masterbatch in a single-screw extruder to the appropriate viscosity, then feeding it into the twin-screw extruder with liquid PIB injected at the barrel. This allows thorough mixing without slippage or separation issues.

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A tire mixing machine that prevents waste and speeds up mixing compared to conventional tire mixing machines. The machine has a rotating mixing chamber with feed pipes, discharge pipe, and a motor-driven screw. Scrapers on the chamber walls and stirring rods between the screw and scrapers improve mixing and prevent material buildup. This prevents raw materials from sticking to the chamber walls during mixing, which reduces waste and simplifies cleanup compared to traditional machines where residue remains on the walls. The chamber can be easily emptied and cleaned between batches.

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Raw material stirring device for aviation tire production that provides uniform mixing of tire components in the mixing drum to prevent uneven mixing and adhering to the drum walls. The stirring device uses a cooperating stirring mechanism and mixing mechanism to stir the drum interior without dead angles. It has a central stirring shaft driven by a motor. Sliding parts on a plate move in synchronization with cams to move mixing shafts. Scrapers on the mixing shafts prevent material buildup. This allows full drum stirring range for consistent mixing.

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Device and method for efficiently producing a ready-made rubber compound, like tire rubber, by using a tandem mixer setup with three mixers. The first mixer prepares the base rubber compound, the second mixer further mixes and adds components, and the third mixer finishes the compound. This allows continuous production of the final rubber mixture in the third mixer while the other two mixers are cycling. It improves efficiency compared to sequential mixing steps.

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A device and method for producing rubber compounds with improved filler dispersion and homogeneity in large-scale rubber mixing. The device has two mixers, a top mixer with high aspect ratio rotors and a bottom mixer with lower aspect ratio rotors. This configuration allows efficient mixing with short processing times while maintaining filler dispersion and homogeneity. The top mixer has higher aspect ratio rotor blades for initial mixing, while the bottom mixer with lower aspect ratio rotor blades for final mixing. The aspect ratio ratio between the top and bottom mixers is optimized for filler dispersion and homogeneity. The device can be used in a production line to make rubber compounds like tires.

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Raw material mixing equipment for making tire rubber that improves production efficiency. The mixing equipment has a base with a collection assembly that contains a mixing assembly and a stirring assembly. The mixing assembly has a turret with an adjusting mechanism and a replacement mechanism. The stirring assembly has a support frame with a feeding trough and a reversing mechanism. The collection assembly also has a collecting groove. The swinging mechanism moves the suction head. The replacement mechanism allows turret ball size changes. The reversing mechanism moves the stirring columns. The base has a swing motor and gear train. The base also has a slide plate and gear train for turret height adjustment. The collection assembly has an adjusting motor, top cover, and heating plate.

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High-efficiency feeding device for rubber tire production that improves raw material mixing for better tire quality. The device has a box with a mixing mechanism, crushing device, pushing mechanism, and partition. The mixing mechanism has a motor, turntable, mixing plate, and positioning rod. The pushing mechanism has an electric push rod, discharge frame, and sealing plate. This setup allows efficient mixing, crushing, and pushing of the rubber materials inside the box to ensure homogeneous mixing before feeding to the next stage of tire production.

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A rubber mixing process for tires that reduces loss of vulcanizing agents during mixing to improve tire quality. The process involves using a banbury mixer followed by multiple parallel open mills for supplementary mixing. The banbury mixer initially mixes the rubber, then evenly divides the batch between the parallel open mills for further mixing. This longer supplementary mixing compensates for the reduced rubber quantity in each mill compared to fewer parallel mills, preventing quality fluctuations and loss of volatile additives.

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A rubber mixing and stirring machine with vertical unloading to improve efficiency and reduce labor compared to traditional horizontal unloading. The machine has a mixing drum, screw rod, adjustment assembly, and unloading assembly. The adjustment assembly allows vertical reciprocation of the screw rod to mix the rubber. The unloading assembly has vertical slides, racks, and springs to lift and push the mixed rubber out of the drum. The vertical unloading eliminates the need for manual lifting and reduces labor compared to horizontal unloading. The adjustment assembly allows vertical mixing without lifting the entire drum.

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Device and method for producing rubber mixtures used in tire manufacturing that improves efficiency and processability. The device has two mixing chambers connected by a transfer device. One chamber mixes rubber and filler, the other chamber mixes additives like zinc oxide and diamines. Solid additives are fed directly into the second chamber. This allows separate optimization of base rubber and additive mixing. The transfer device moves the base rubber into the second chamber for final mixing. The method involves separately mixing the rubber/filler and additives in each chamber, then transferring the rubber to the additive chamber for final mixing. This enables better control over the rubber properties and additive distribution compared to mixing everything together.

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Rubber mixing device for tire processing that prevents raw material particles from falling off the drum during extrusion and kneading, reducing waste and protecting health. The device has vertical plates with covers and support rods. The covers close around the extrusion assembly during mixing to prevent particles from falling. A connecting seat on a screw rod can be lowered to expose the extrusion area for observation.

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A mixing method and device for rubber compounds that provides accurate temperature measurement inside the mixer to ensure consistent compound quality. The method involves placing temperature sensors in the mixer chamber itself, rather than on the outer chamber walls. This allows more accurate measurement of the actual compound temperature during mixing compared to surface temperatures. The sensors are integrated into the mixer chamber housing and have insulated sections inside the chamber to prevent temperature gradient errors. This provides reliable temperature feedback for process control and quality assurance of the mixed rubber compound.

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A device for producing rubber mixtures, like tire rubber, that allows increased efficiency and capacity by enabling direct feeding of liquid additives into the lower mixer of a tandem mixer setup. The device has a liquid introduction system with a storage tank and lines to connect to the mixers. Liquid openings in the mixer walls and injection nozzles allow direct injection into the mixers. This allows adding liquids like oils and resins into the lower mixer without operator intervention, expanding capacity and efficiency compared to only upper mixer feeding.

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High-efficiency internal mixer for making two-color tires that allows better mixing of rubber compounds and easier feeding compared to conventional internal mixers. The mixer has two sets of rotors that can move towards each other to squeeze the rubber for better mixing. It also has a sliding mechanism to reduce the impact force of rubber when fed into the mixer to prevent damage. This allows the rotors to move inward and rotate for better mixing of the rubber compounds. The mechanism involves rods, sliders, connecting blocks, and a spring that compresses when the rotors move inward.

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A device to turn and stir rubber compound in an open mill used in tire production to improve mixing efficiency and prevent material agglomeration. The device has a rotating column with a stirrer inside the mill housing. A motor drives a worm gear that turns the column to rotate the stirrer. This prevents rubber from packing between the mill rollers and improves mixing.

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A device for controlling the temperature of a mixed rubber premix in a mixing system to improve rubber mixture quality and production efficiency. The device has separate upper and lower chambers separated by an interception unit. The upper chamber has temperature control elements like heaters and cooling coils. The lower chamber has a feeding unit for adding further mixture components. Rubber premix is transferred between chambers. In the upper chamber, it's tempered. The interception unit can cool. This allows precise temperature control for the premix before mixing.

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Raw material mixing device for solid tire production that enables complete discharge of mixed rubber compounds to prevent incomplete discharge issues. The device has a mixing barrel with a bottom plate that has inner grooves on the inner sides. Bayonet pins are movable in these grooves with springs. When the mixing process is done, the bayonet pins can be shifted to lock into place. This holds the mixed rubber against the bottom plate preventing it from sticking to the sides. The bottom plate also has fixed plates that slide on fixed shafts. These can be moved to unlock the bayonet pins and release the mixed rubber for discharge.

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Internal mixer for tire production that improves mixing quality and rotor life by maintaining consistent temperature inside the mixer. The mixer has features like a temperature change mechanism, water inlet/outlet pipes, and a heat exchange pipe. When the rotor stirs the materials, the temperature change mechanism adjusts the chamber temperature. High-temperature water injected into the inlet cavity exchanges heat with the materials through the heat exchange pipe. This raises chamber and rotor temperature to compensate for pressure-induced cooling. The water cycle ensures stable high temps for better mixing and rotor longevity.

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Device for mixing rubber compounds that allows accurate temperature control during mixing to ensure consistent quality. The device has a displaceable temperature sensor inside the discharge shaft below the mixing chamber. This sensor can be moved in and out to measure the bulk temperature of the mixed rubber as it's extruded. This is different from measuring the surface temperature of the mixture in the chamber, which can be significantly different due to movement and interactions with the walls. By accurately measuring the bulk temperature, it enables reliable quality control of the rubber compound.

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Mixing device for producing high uniformity tires that enables fast and uniform mixing of tire rubber compounds. The device has a mixing body with a feeding seat at the front and a discharge seat at the bottom. Inside the body is a mixing mechanism with a motor, gears, and a rotating shaft. The motor drives the shaft which turns the mixing drum. This sucks in the rubber through a twisting seat and stirs it. Spiral blades guide the mixed rubber out the bottom. This creates a continuous flow chain where the twisting seat sucks, stirs, and the blades expel the rubber. This rapidly and evenly mixes the tire rubber compounds.

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A method and apparatus for producing tires with improved tire performance by optimizing the mixing of rubber compounds during tire production. The method involves using a continuous mixing extruder to produce tire rubber compounds at low suction pressures compared to atmospheric pressure. This allows sudden and substantial removal of fluids and contaminants from the rubber during mixing. The lower suction pressures cause a significant increase in mixing torque and torque fluctuations compared to atmospheric pressure mixing. The resulting rubber compounds have improved properties like reduced hardness, better green strength, and reduced scorch time compared to compounds mixed at atmospheric pressure. The low suction mixing also improves tire performance characteristics like rolling resistance, wear, and steering response.

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Method and apparatus for producing elastomeric compounds used in tire manufacturing that improves functionality without sacrificing productivity. The method involves using a specialized mixer with a pressure piston that moves up and down during mixing cycles. In each cycle, the piston holds at the bottom for multiple stages separated by brief piston lifts. This allows powders to settle before mixing resumes. The alternating piston motion prevents compacting powders into the mixer walls, improving dispersion and compound properties.

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An internal mixer for uniformly mixing tire rubber materials in a banbury process. The mixer has features like opposed rotating rotors with spiral ribs, C-shaped roller groups with pivoting runners, and crawler-equipped scrapers. The rotors, rollers, and crawlers all have opposite rotational directions to squeeze and transfer the rubber. The crawlers convey material from the edges to the center. The mixer design enables more uniform mixing and heat transfer compared to prior banbury mixers.

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Processing device for making tire bladders with improved mixing uniformity and efficiency. The device has a mixer with a vertical shaft that penetrates the top cover and extends into the bottom of the mixer. A stirring impeller is attached to the shaft. The mixer walls are heated. The shaft rotates to mix the materials. This provides a vertical mixing action with full wall coverage and heating to improve mixing uniformity compared to single-directional mixers.

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A more efficient tire mixing machine for producing uniform and high-quality solid tires. The machine has a rotating drive device with a motor at the bottom, a sliding block connected to the motor shaft, and a circular rail on the top wall. A stirring blade is attached to the sliding block. This allows the blade to move up and down in the mixing chamber as the rotating shaft turns. The sliding rail allows the blade to slide back and forth along the chamber walls for better mixing. The lifting drive raises and lowers the blade to further improve mixing.

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Process for manufacturing tires with improved stiffness and reduced viscosity by optimizing the mixing of reinforcing resin into the elastomeric compound. The process involves building the green tire with rigid components made from a final elastomeric compound produced by feeding polymer and filler into a first batch mixer. Then, a reinforcing resin is added and mixed in a second batch mixer. This reinforced compound is further mixed in a continuous mixer before shaping into tire components. The two-stage batch mixing followed by continuous mixing allows optimal dispersion and homogenization of the reinforcing resin in the elastomeric compound.

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Optimizing the mixing process in a rubber compounding machine for tire production to prevent scorching and improve mixing quality. The technique involves using specific pressure settings during the final refining step. The top bolt pressure is initially set low at 0.35 MPa and ramped up to 0.55 MPa after 1 minute of kneading. This higher pressure is maintained for 2 minutes before reducing back to 0.35 MPa for discharge. This pressure sequence prevents rubber slippage, improves mixing, and prevents scorching.

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Raw material mixing apparatus for producing tire compounds that allows uniform mixing of rubber compounds by automatically raising and lowering a mixing shaft into a box of materials. The apparatus has a frame, a lifting device with a slide rail, a slider, a rack, a strut, a bearing seat, and a rocker. A motor raises and lowers the frame with the mixing shaft. A second shaft connects to the motor. A plate below the shaft holds the stirring shaft. The frame slides on the rail. The lifting device moves the frame vertically. The rocker rotates the rack to move the frame. This allows raising the mixing shaft into the box and lowering it out. The motor turns the stirring shaft in the box for mixing. The lifting device simplifies raising and lowering the mixing shaft versus a crank handle.

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A process for producing rubber mixtures with improved filler dispersion for tires and other rubber products. The process involves making a premix with a low viscosity rubber component containing the fillers, then mixing it with a higher viscosity rubber component to form the final mixture. The low viscosity premix allows better filler dispersion before blending with the main rubber compound. This results in more uniform filler distribution in the final rubber product. The viscosities used are 5-30 Mooney units for the premix and 40-90 Mooney units for the main mix.

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A mixing and extrusion apparatus for tire sealant materials that improves mixing efficiency, especially for components with large viscosity differences like extenders and premixes. The apparatus has a conical mixing chamber with a converging twin screw extruder. The chamber has a low pressure inlet section and a high pressure channeling section. The outlet is temporarily closed to force circulation between the channeling section and entry section. This allows better mixing of components like extenders into premixes due to the shear forces and pressure differences between the sections.

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Reducing variation in rubber properties when mixing rubber compounds containing carbon fillers using a closed mixer. The method involves controlling the mixer speed and pressure in each step to maintain consistent temperature profiles during carbon uptake and uniform dispersion. By PID controlling the mixer parameters based on temperature rise rates, ultimate temperatures can be kept within a range. This stabilizes the rubber characteristics of the final compound.

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A mixer for tire mixing that reduces waste generation and improves dust collection during the mixing process. The mixer has a dust collection section inside the mixing chamber that connects to the hopper for feeding materials. When the mixing ram moves up to mix the ingredients, it pushes them into the collection section. Air pressure in the section rises, preventing dust escape. The air can be purged and reused. This minimizes external dust generation compared to traditional mixers.

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Rubber mixing chamber for tire production with improved wear resistance and easier maintenance. The mixing chamber has two halves that rotate and mix the rubber compound. The wear protection lining inside the chamber is made of a high-strength, wear-resistant material. This prevents cracking and inhomogeneity that can cause soft spots in the final tire. The wear protection is centrifugally cast to ensure a homogeneous structure. Automated monitoring of the wear level allows proactive replacement of the lining before it degrades. This improves chamber life and reduces maintenance compared to traditional wear liners.

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A method and device for continuously mixing and stirring a rubber composition with stable physical properties and without raw material loss. The method involves using a mixer with variable discharge amount and speed control. The discharge amount and mixer speed can both be adjusted, and the mixer speed is automatically adjusted based on the discharge amount. This allows maintaining consistent shear and temperature during mixing regardless of raw material amounts.

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Rubber composition mixing method and mixing device that stabilizes physical properties like viscosity and modulus of the final product. The method involves dividing the mixing process into steps, setting target integrated electric power for each step, and ending the step when the actual integrated power reaches the target. This ensures consistent mixing and prevents overmixing or undermixing. The device has sensors to measure factors like temperature, current, and pressure during mixing, and adjusts variables like rotation speed and ram pressure to meet targets and minimize deviations.

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