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8177411 |
Mixer system controlled based on density inferred from sensed mixing tub weight
A mixing system is provided comprising a first mixing tub, a first actuator to control flow of a carrier fluid, a sensor to determine a rate of flow of the fluid, and a second actuator to control...
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7567856 |
Methods for determining a volumetric ratio of a material to the total materials in a mixing vessel
Methods are provided for determining an estimated volumetric ratio of a material to total materials in a mixing vessel. In various embodiments, the methods may comprise: summing a commanded input...
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7566162 |
Apparatus and method for a hot mix asphalt plant using a high percentage of recycled asphalt products
A hot mix asphalt plant for producing hot mix asphalt using a high percentage of RAP comprising a first dryer adapted to receive and mix virgin aggregates and RAP fines and a first burner assembly...
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7561943 |
Methods for volumetrically controlling a mixing apparatus
Methods of controlling a volumetric ratio of a material to total materials in a mixing vessel are provided. In various embodiments, the methods may comprise: estimating the volumetric ratio of the...
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7556679 |
Processes for preparing phase change inks
The presently disclosed embodiments are directed to processes for making phase change or solid ink used in ink jet system recording apparatuses (e.g., printer, copying machine, facsimile, word...
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7470338 |
Process for forming dense layers in a gypsum slurry
A process for manufacturing plasterboard and a plasterboard manufacturing unit are provided, the process including feeding hydratable calcium sulphate and water into a first mixer (2) and into a...
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7464757 |
Method for continuously batch mixing a cement slurry
A method for continuously batch mixing a homogenized cement slurry is provided that includes providing first and second mix tubs which each perform a process which include: receiving a measured...
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7387425 |
Mobile grout plant
A mobile grout plant for preparing structural grout comprising a mixer having an opening for receiving at least a portion of the components for preparation of the grout, a remixer located...
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7384181 |
Milled asphalt pavement recycling
A milled materials processor consists of a self contained, stationary or fully mobile thermal process plant for the thermal processing of 100% recycled asphalt pavement into new hot mix paving...
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6986656 |
Method of and system for forming a fire door core
A method and system of forming a fire door core are provided. Hydraulic binder and resin are supplied from raw material bins and mixed to provide a submixture. Exfoliated vermiculite is then mixed...
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6309570 |
Vacuum extrusion system for production of cement-based articles
A system for making extruded cement-based articles. The process can include forming a cement-based feed mixture including water, aggregate and binder and directing the feed mixture to a vacuum...
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6267847 |
Pulper for a stock preparation system
A pulper in a stock preparation system includes a housing with a fiber inlet, at least one water inlet, at least one outlet and an inner chamber. A plurality of stationary pulping foils are...
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6227813 |
Apparatus for pumping mortar grout
An apparatus for pumping mortar. A hopper for containment of mortar is mounted on a portable frame. A mortar pump has an inlet located within a lower portion of the hopper, and a discharge located...
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6224826 |
Sterilizing method and apparatus
A method and apparatus for sterilizing water containing pathogen protozoa having shells in a simple manner without negative influencing the environment is disclosed. Ultrasonic waves are applied to...
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5752769 |
Mortar mixing machine with two conveying and mixing tubes of opposite conveying direction
A mortar mixing machine has a frame and a hopper supported by the frame for containing dry mortar. The hopper has an outlet with an outlet opening. A first conveying and mixing tube, connected in a...
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5714032 |
Method of manufacturing multilayer plasterboard and apparatus therefor
The apparatus includes a two-stage mixer formed within a single housing and including a first high shear mixer and a second low shear mixer. Plaster slurry is formed in the first mixer. A partition...
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5660465 |
Apparatus and system for producing foamed cementitious products
An apparatus and method for introducing a metered volume of air into a continuously generated and flowing slurry composed of metered dry cementitious material, metered water and metered air...
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5618104 |
Method for cooling white cement clinker
A method of cooling white cement clinker sintered in a rotary kiln includes the following steps: introducing the white cement clinker from the rotary kiln into a first cooling stage; comminuting...
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5609835 |
Multi-purpose apparatus
An apparatus enabling reaction and post-reaction processing in a single assembly including a reaction chamber and a filtration and/or drying chamber adjacent to one another, the chambers being...
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5570953 |
Mud-mixing machine for drywall texturing and other applications
A method of forming a mixture of powdered material and water includes the step of providing a hopper, a holding tank, a tube intermediate the hopper and the holding tank, and an air-powered auger...
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5522658 |
Apparatus for mixing lightweight concrete
Apparatus for mixing lightweight concrete includes a main mixing unit which receives volumetrically measured dry aggregate material including polystyrene and wet material which includes cement...
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5484200 |
Mixer
The invention provides apparatus for use in the preparation of gypsum products such as plasterboard from foamed gypsum plaster slurry. The apparatus comprises a first mixing chamber 10 containing a...
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5484201 |
System for the recovery of oil and catalyst from a catalyst/oil mix
The present invention discloses a method and apparatus for separating and recovering catalyst and oil from a catalyst/oil mix, using the steps of mixing the catalyst/oil mix with a solvent for the...
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5433520 |
Method and apparatus for continuously processing particulate cementitious material and fly ash solids and mixing them with a liquid to provide a liquid slurry of consistent proportions
A controlled method of, and apparatus for, continuously processing initially dry, particulate, cementitious material and fly ash solids and mixing them with a liquid to provide a liquid slurry of...
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5397177 |
Asphalt production plant having a two-burner dryer with increased exhaust capacity
An asphalt production plant with a drum dryer having two burners and expanded exhaust gas exit area. The dryer has a rotatable dryer drum with an inlet end and a discharge end. A burner is...
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5372790 |
Vertical continuous reactor
A vertical reactor system having a plurality of substantially vertically aligned reaction compartments one on top of the other, the reactant materials (and catalyst and solvent, if desired),...
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5352035 |
Concrete mixing system with cement/water premixer
A system for mixing cementitious material, liquid and aggregate to form concrete includes a cementitious material measuring device which provides dry cementitious material to an enclosed screw...
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5332312 |
Chemical handling and mixing system
A chemical handling and mixing apparatus is disclosed, consisting of a chemical loading apparatus in which bulk chemical is mixed with water into an aqueous solution or slurry and an agitation...
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5310955 |
Vertical continuous reactor and process for liquid epoxy resin
A vertical reactor system having a plurality of substantially vertically aligned reaction compartments one on top of the other, the reactant materials (and catalyst and solvent, if desired),...
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5275485 |
Device for moving solid particles
A device for moving solid particles, especially one designed as cooling mixer, has a substantially horizontal jacketed tank (11), in which a shaft (14) is seated for rotation. The shaft (14) is...
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5246287 |
Colloidal grout mixing apparatus and method
A mixing method uses, and a colloidal grout mixing apparatus comprises, an upright cylindrical vessel in which a mixer is located. The mixer comprises a shaft extending substantially co-axially...
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5236624 |
Dispersions and emulsions
Dispersions of hydrophobic substance e.s. resin emulsions, usually having a relatively low average particle size can be continuously and speedily prepared by feed a hydrophobic substance in the...
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5201839 |
Countercurrent drum mixer with second heat source
An asphalt production system utilizing a pair of rotatable drums for producing an asphaltic composition is provided. The asphaltic composition is produced by separately heating a volume of virgin...
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5178459 |
Tank with a double stirring system, primarily a curdling tank
A curdling tank includes two upright, mutually intersecting, circular tank sections, each of the circular tank sections having a concentrically operated stirring system. The bottom portions of each...
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5169307 |
Process and apparatus for producing small particle lightweight aggregate
A process for producing micropellets of lightweight aggregate having a substantially spheroidal configuration which includes continuously mixing ceramic clay and liquid in a high speed rotating pin...
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5148403 |
Production of prerecorded tape cassettes
Open spool reels (18) of magnetic tape (7) are recorded with a plurality of different programmes interspersed with recordings in a different form (typically as interruptions to the sync track),...
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5127740 |
Concrete reclamation system and method for utilizing same
A system and method for reclaiming unused portions of mixed concrete by adding a chemical agent to retard the hydration state of the concrete for up to several days. When the stored concrete is...
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5114239 |
Mixing apparatus and method
A mixing apparatus comprises two or more tubs in which mixtures can be mixed to obtain averaging of a particular property, such as density. Two recirculation lines are used. One recirculates...
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5032027 |
Ultrasonic fluid processing method
An ultrasonic fluid processing method is provided for cavitation and processing a first fluid with a second fluid in a sonication or cavitation zone. The method is useful for preparation of...
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5013157 |
Apparatus for producing aerated cementitious compositions
An aerated cementitious composition is produced by feeding a mixture comprising cement and foaming agent to a mixing chamber open to atmosphere together with a feed of liquid. The ingredients are...
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4968349 |
Method for producing hardened cement mineral material, especially concrete, and an apparatus for implementation of the method
The invention concerns a method for producing a hardened mineral product, especially concrete. The method utilizes a hydration reaction with water for at least 1 hour, preferably for 4 to 40 hours,...
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4913552 |
Countercurrent drum mixer
A drum mixer having an countercurrent flow drying zone and a parallel flow mixing zone is provided for producing an asphaltic composition. The drum mixer utilizes a heat source located at an...
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4904089 |
Particle wetting process and apparatus
A method of mixing particulate cement and water in a primary mixing vessel to form a slurry batch, includes introducing a measured quantity of water into the vessel, introducing a measured quantity...
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4867572 |
Asphalt plant with fixed sleeve mixer
An asphalt plant apparatus includes an inclined rotary drum dryer, the lower end of which is received within a concentric fixed sleeve. Aggregate is introduced into the upper end of the rotary drum...
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4764019 |
Method and apparatus for mixing dry particulate material with a liquid
An apparatus and method for mixing dry particulate material and liquid is shown. The dry material is initially mixed in a mixing module. The pre-mixed slurry then passes to a two stage mixing tank...
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4747695 |
Centrifugal stirring apparatus
A centrifugal stirring apparatus for treating loose particles or workpieces, comprising a work vessel and a rotary stirring disc on the floor of the work vessel, is characterized in that at least...
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4560281 |
Foundry apparatus for mixing sand with binder
Foundry apparatus for mixing sand with binder ingredients to produce a composite mixture suitable for foundry molds includes a first premixing chamber enclosing a first bladed shaft mounted for...
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4483620 |
Regenerative heating and melting device for recovered asphalt concrete rubble
A regenerative heating and melting device is disclosed for treating asphalt concrete rubble for the recovery of an asphalt coated aggregate suitable for reuse. The apparatus includes a vertical...
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4449826 |
Apparatus for preparing mortar or the like
The percentage of entrapped air in mortar, plaster, concrete or a like building material which is prepared on a continuous basis is increased, preferably by at least 100 percent, by providing a...
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4436430 |
Device for the continuous mixing of a dry finished mortar
A device for mixing mortar with a liquid or foaming material includes a reservoir for the dry mortar, a housing containing a portion of a driven shaft with the housing terminating at one end in a...
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