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7384180 |
Method and apparatus for manufacturing concrete mass
Method and apparatus for manufacturing concrete mass, the concrete mass being manufactured in a mixer, and the torque caused by the mixing of the concrete mass to the mixing elements used for...
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7374331 |
Method and apparatus electrostatically controlling the viscosity and other properties of ceramic compositions
A method and apparatus for reducing the viscosity of a fluidic cementitious mixture, the apparatus including a high voltage source, first and second spaced electrode members electrically connected...
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7067002 |
Unitized fibrous concrete reinforcement
The present invention relates to a fibrous construct which is used in providing cementitious mixtures supplemental and reinforcing strength upon setting, and more particularly, to a unitized...
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7066638 |
Flexible mixing mat and method of use
A flexible mixing mat comprising a geometrically-shaped planar substrate having four corner areas which have been removed and replaced with four expandable corners coupled to the four corner areas,...
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7050886 |
Chemical dispensing system for a portable concrete plant
A computer controlled pumping and measuring system is used to dispense chemicals into a concrete mix. The redundant use of positive displacement pumps and flow meters ensure that any problems with...
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6923565 |
Process and equipment for producing concrete products having blended colors
A process and equipment for producing multi-color concrete products, including architectural concrete blocks, concrete bricks, modular concrete products that are suitable for use in landscaping...
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6910796 |
Process and equipment for producing concrete products having blended colors
A process and equipment for producing multi-color concrete products, including architectural concrete blocks, concrete bricks, modular concrete products that are suitable for use in landscaping...
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6780367 |
Method for preparing a concrete article having reinforcing fibers frayed at their ends
A method for preparing a concrete article comprised of concrete having therein a reinforcing fiber, where at least about 50 percent of the reinforcing fibers are frayed only at an end or ends of...
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6742922 |
Mixer for foamed gypsum products
Apparatus for mixing aqueous foam with a slurry of gypsum and water. A cylindrical housing includes, in its upper end, an inlet for a slurry and a helical diverter for directing the slurry in a...
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6568842 |
High capacity mobile lime slaker
A continuous preparation of calcium hydroxide slurry can be made on a mobile apparatus that uses an eductor to initially combine metered flows of calcium oxide and water. The calcium hydroxide...
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6562430 |
Packeting fibers for castable compositions
Packeted fibers comprise a plurality of fibers arranged in side-by-side manner, said plurality of fibers being cut perpendicularly to obtain terminal cut ends, and said terminal cut fiber ends...
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6306210 |
Corrosion inhibitor container
The method of adding migrating corrosion inhibitors to a raw concrete mix by loading a migrating corrosion inhibitor in powder form within a container fabricated from a water soluble film, and...
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6293689 |
High volume portable concrete batching and mixing plant having compulsory mixer with overlying supported silo
A four trailer portable concrete batching and mixing plant has production volumes of up to 600 cubic yards of concrete per hour of paving concrete meeting exacting modem paving standards. A first...
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6286986 |
Multiple tub mobile blender and method of blending
An improved oil and gas well servicing apparatus for blending and delivering a slurry of fracturing fluid and particulate matter at constant flow rate and pressure to a downhole pump is disclosed....
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6123444 |
Front discharge transit mixer with weight system for determining amount of material discharged
A method and system operable with a front discharge transit mixer to facilitate multiple deliveries of concrete materials from a single batch of concrete material. The system includes an...
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6030111 |
Method of and system for recycling molding sand
Molding sand of a used greensand mold is recycled by adding water and binder to sand particles fatigued by heating applied by a molten metal during molding and segregated from vigorous molding sand...
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5897928 |
Reinforcing elements for castable composition
Methods and articles for reinforcing castable compositions through the use of reinforcing elements maintained in a close-packed alignment in a dispersible containment means.
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5865534 |
Materials mixer
A materials mixer, suitable for mixing concrete, comprises a generally cylindrical housing (10) which houses a mixing chamber (15) consisting of an upper, dry mixing chamber portion (2), a central,...
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5807458 |
Reinforcing elements for castable compositions
Methods and articles for reinforcing castable compositions through the use of reinforcing elements maintained in a close-packed alignment in a dispersible containment means.
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5795060 |
Method and apparatus for continuous production of colloidally-mixed cement slurries and foamed cement grouts
An apparatus for high capacity production of high-fluidity, colloidally mixed cement slurry. Water and cement dust are combined at metered rates by a premixing assembly which discharges into a...
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5775803 |
Automatic cementing system with improved density control
An automatic cementing system and method are disclosed for precisely controlling the density of a slurry during a continuously mixed cement application. The system includes an input water line and...
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5624182 |
Automatic cementing system with improved density control
An automatic cementing system and method are disclosed for precisely controlling the density of a slurry during a continuously mixed cement application. The system includes an input water line and...
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5605397 |
System for mixing cement and aggregate
A system and method for mixing particulate cement with mineral aggregate(s) so as to minimize the formation and escape of dust. The system involves dispensing aggregate(s) downwardly from a hopper...
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5571281 |
Automatic cement mixing and density simulator and control system and equipment for oil well cementing
A cement mixing and slurry density control system utilizes an improved eductor mixer for particular use in a cementing process for an oil or gas well.
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5518312 |
Mixing device and method
Mixing material around an inner agitator in a mixing vessel is urged upward and outward by rotating the inner agitator in one direction. Simultaneously, mixing material around or adjacent an outer...
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5443313 |
Method for producing construction mixture for concrete
A method of producing activated construction mixture composed of cement, sand, water and additive introduced at an end of mixing, the method includes the steps of mixing components in a mixer with...
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5441340 |
Method for controlling the density of a well fracturing slurry
An automated density and chemical controller automatically controls the density and chemical proportions of a slurry that is injected into a well during a well fracturing operation. The automated...
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5407299 |
Cement slurry mixing apparatus and method of using cement slurry
This invention discloses a high rate, cement slurry mixing system and method which produces a highly dispersed slurry with the lowest possible viscosity in respect to the water cement ratio and the...
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5368382 |
Cement paste mixer and method for producing mortar and concrete
There is provided in a pressure feed pipe for feeding cement paste under pressure a wall panel assembly formed of a plurality of wall panels having collision surfaces and through holes and arranged...
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5320425 |
Cement mixing system simulator and simulation method
A cement mixing and pumping simulator comprises actual and virtual equipment. In response to an operator controlling this equipment, signals representing operating characteristics of a cement...
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5277489 |
Portable batch mixing apparatus for cementitious construction materials
A portable system for on-site batch mixing of cementitious materials, such as mortar and grout, includes a batch mixing machine for metering and mixing cement, sand and water, a cement storage silo...
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5236261 |
Conditioned ash surge bin
A surge bin for continuously collecting material such as conditioned ash from a nearby, non-contiguous ash conditioning pug mill and loading a haulage vehicle. The conditioned ash surge bin...
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5224774 |
Concrete additive product and method of use
The present invention relates to an improved concrete additive product comprising synthetic concrete reinforcing fibers packaged in a closed paper package, whereby under the influence of mechanical...
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5219222 |
Method of mixing particulate materials in a mixing column
A method of mixing materials includes a fluid medium, such as an aqueous fluid or a gas, continuously introduced into a mixing column for a time sufficient to allow the fluid to at least...
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5203629 |
Method for modifying concrete properties
The present invention relates to a method for modifying the properties of a concrete by introducing a solid admixture, contained in a paper package, into a fresh concrete, said solid admixture...
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5183332 |
Kneading method of concrete
The present invention aims to evenly and surely knead a concrete material comprising less water amount. Concrete material layer entered into a kneading tank is cut in an up-and-down direction and...
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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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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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5122348 |
Method of slurrying partially calcined alumina dust
A method is described for mixing a difficult to wet, finely divided powder, e.g. alumina dust, with an aqueous liquid, e.g. Bayer process spent liquor. In the method, the liquor is introduced into...
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5118197 |
Process for mixing two liquids
An apparatus and a process for mixing water from a pressurized source and an additive or admixture for a cementitious composition in a mixing chamber comprising introducing, in the form of a jet,...
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5064292 |
Method and apparatus for preparing and using a cement slurry
This invention relates to a method of preparing, transporting, disposing and distributing a load of cement slurry, especially for highway and similar construction work. This method is particularly...
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4995729 |
Mixing device for mortar
A mixer for mortar has part of its water feed introduced between a rotating isk and the floor of the disk housing, this water being propelled outward through an annular constriction in the...
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4973165 |
Method of generating precisely-defined wall shearing stresses
A method is provided to generate over a confined space precisely defined distributions of the magnitude of the wall shearing stresses in a substrate/fluid boundary layer. A fluid flow is rotated...
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4963031 |
Cement slurry batcher apparatus and process
A novel process and apparatus for discharging, on a batch basis, cement and water as a slurry or in the form of separate discharges of slurry and cement, where the materials so discharged contain a...
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4838699 |
Cement mixing process
The invention relates to a process for improving the characteristics of a fluid and in particular of a cement slurry for the cementing of wells, particularly of oil wells, wherein it consists in...
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4832497 |
Method and an apparatus for mixing gravel and bitumen
A method and an apparatus for mixing gravel materials and bitumen. The gravel material is mixed with a bitumen emulsion by causing the gravel material to fall onto an inclined screen (12)...
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4828393 |
Method for obtaining a base material for building mortar
A method wherein the extraction of a quantity of sand, with a granular size and distribution ratio, are subjected to a moisturing or dewatering treatment until a moisture content of a maximum of...
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4818112 |
Process for mixing foundry molding materials
In a process for mixing wet molding materials, particularly wet molding sands used for foundry purposes, the dry components of the molding materials are premixed in a container and, following the...
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4786179 |
Emergency protection apparatus and method for concrete mixer trucks disabled in the field
The invention includes apparatus and method for inhibiting the hardening of a wetted concrete premix in a filled concrete mixer including providing a rotatable concrete mixer drum having a...
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4781466 |
Method and apparatus for producing concrete
A method and apparatus for continuously producing concrete at a job site is disclosed wherein the machine is provided with separate aggregate supply bins and a cement supply bin which are arranged...
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